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Job Title: Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI’s RST business unit is seeking aspiring software engineers, signals analysts, and physicists to join our team to support the development of algorithms and software related to synthetic aperture radar, low observables, electro-optical, and other remote sensing capabilities. As part of ARKA, you will be at the forefront of developing and enhancing remote sensing capabilities and working in space emerging technology. You will learn about these technologies from the experts that discovered and patented these capabilities. This work requires candidates to be a US citizen willing and able to obtain a Top Secret clearance. Responsibilities : Take algorithm definitions and prototypes and convert them into robust software applications. Collaborate with radar/electro-optical and research scientist experts to solve issues and iterate to improve product image quality. Design, develop, and maintain robust and scalable software applications using modern programming languages and technologies. If a software engineer, write clean, efficient, and well-tested code that adheres to best practices and coding standards. Learn about synthetic aperture radar (SAR) or electro-optical collection techniques. Participate in all aspects of the development lifecycle, including planning, requirements development, software design, implementation and build, documentation, testing, deployment, and maintenance. Troubleshoot and resolve technical issues in a timely and effective manner. Learning from our recognized leaders and setting oneself up for future leadership in the area. Qualifications: Required: US citizenship with a willingness and ability to obtain a Top Secret clearance (you will be processed for a Top Secret clearance prior to start). A degree (or progress toward a degree with an expected graduation date) in Computer Science, Electrical Engineering, Physics, or a related field; four years of professional experience in software or signals processing in lieu of a degree; or military background in electronic warfare and/or signals processing 2+ years of software engineering experience Interest in learning remote sensing technologies Familiarity with a programming language (preferably Python, C++, Rust, or similar) Familiarity developing in Linux and/or in a cloud environment (AWS preferred) Excellent problem-solving and analytical skills Ability to work within a team environment to advance large software development packages by taking on and completing tasks independently Work onsite Desired: Programming skills in multiple languages Knowledge of or background in radar or electro-optical fields. Academic experience in digital signal processing Scrum/Agile Development knowledge and experience with Jira Experience writing software implementing algorithms Passion for solving hard problems - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $69,100-$141,500 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: SRE Platform Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is seeking a seasoned Site Reliability (SRE) Platform Engineer to support the Department of Homeland Security (DHS) Office of the Inspector General (OIG). This role offers a unique opportunity to ensure the reliability, performance, and availability of cutting-edge AI and data analytics platforms that strengthen national security oversight through investigative, audit, and inspection operations. As an SRE Platform Engineer, you will be the operational guardian of mission-critical systems including OIG Chat—a large language model assistant—enterprise data platforms, and AI-powered applications that federal oversight professionals depend on daily. You will monitor production environments, implement comprehensive alerting and observability, troubleshoot complex incidents, optimize performance and costs, and ensure high availability through proactive capacity planning and reliability engineering. From analyzing performance metrics to identify bottlenecks to supporting disaster recovery and operational readiness, you will apply site reliability engineering principles to maintain service excellence. Working within secure Azure Government environments, you will build operational resilience for a transformational program of national importance. Join us to make a meaningful impact by ensuring mission-critical AI and data capabilities are always available, performant, and reliable. Responsibilities: Monitor, maintain, and support production and non-production environments for OIGChat, AI applications, and enterprise data platforms to ensure availability, performance, service health, and adherence to service level objectives (SLOs) Implement comprehensive observability including alerting, dashboards, health checks, synthetic monitoring, and log analysis using Azure Monitor, Application Insights, Log Analytics, or equivalent tools to enable proactive incident detection Lead incident response and troubleshooting efforts including root cause analysis, defect resolution, dependency updates, integration validation, and coordination of emergency changes to restore service rapidly Analyze performance and usage metrics across applications, APIs, AI model endpoints, data pipelines, and infrastructure to identify and remediate bottlenecks, latency issues, resource constraints, and efficiency opportunities Support capacity planning, resource sizing, autoscaling configuration, and cost optimization for compute, storage, and AI model consumption to balance performance requirements with fiscal responsibility Implement and maintain backup/restore processes, disaster recovery procedures, high availability architectures, and business continuity capabilities to ensure data protection and operational resilience Monitor data platform availability including Azure Databricks clusters, data pipelines, storage services, and analytical workloads with alerting for pipeline failures, job errors, and performance degradation Support deployment and operational readiness for pilot applications and new capabilities including pre-production validation, performance testing, runbook development, and go-live coordination Provide surge support for complex technical issues, large-scale data collection analysis, analytical environment optimization, and specialized troubleshooting requiring deep platform knowledge Develop and maintain operational documentation including runbooks, troubleshooting guides, architecture diagrams, incident post-mortems, and knowledge transfer materials to support sustainable operations Qualifications: Required – Bachelor's degree + 15 years of experience in site reliability engineering, DevOps, platform engineering, systems administration, or related field; equivalencies considered (Master's + 12 years; 21 years with no degree; AA + 17 years) Must be able to obtain a Active DHS/ EOD Clearance as required. Extensive experience with Site Reliability Engineering (SRE) principles including monitoring, observability, incident response, capacity planning, performance optimization, and reliability engineering practices Proven expertise with Azure cloud services including compute, storage, networking, monitoring, and platform-as-a-service (PaaS) offerings with deep understanding of operational best practices Strong experience with monitoring and observability tools (Azure Monitor, Application Insights, Grafana, Prometheus, ELK stack) and implementing alerting, dashboards, and log aggregation Demonstrated ability to troubleshoot complex technical issues across application, platform, and infrastructure layers with strong analytical and problem-solving skills Desired – Experience operating AI/ML platforms, large language model services (Azure OpenAI), data analytics platforms (Databricks, Synapse), or high-scale cloud applications in production environments Hands-on experience with Azure Government or other secure government cloud environments (AWS GovCloud) with understanding of compliance monitoring, security operations, and federal operational requirements Background in federal government, mission-critical systems, or 24/7 operational environments with experience supporting incident response, change management, and operational excellence programs - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $114,600-$252,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: SRE Platform Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is seeking a seasoned Site Reliability (SRE) Platform Engineer to support the Department of Homeland Security (DHS) Office of the Inspector General (OIG). This role offers a unique opportunity to ensure the reliability, performance, and availability of cutting-edge AI and data analytics platforms that strengthen national security oversight through investigative, audit, and inspection operations. As an SRE Platform Engineer, you will be the operational guardian of mission-critical systems including OIG Chat—a large language model assistant—enterprise data platforms, and AI-powered applications that federal oversight professionals depend on daily. You will monitor production environments, implement comprehensive alerting and observability, troubleshoot complex incidents, optimize performance and costs, and ensure high availability through proactive capacity planning and reliability engineering. From analyzing performance metrics to identify bottlenecks to supporting disaster recovery and operational readiness, you will apply site reliability engineering principles to maintain service excellence. Working within secure Azure Government environments, you will build operational resilience for a transformational program of national importance. Join us to make a meaningful impact by ensuring mission-critical AI and data capabilities are always available, performant, and reliable. Responsibilities: Monitor, maintain, and support production and non-production environments for OIGChat, AI applications, and enterprise data platforms to ensure availability, performance, service health, and adherence to service level objectives (SLOs) Implement comprehensive observability including alerting, dashboards, health checks, synthetic monitoring, and log analysis using Azure Monitor, Application Insights, Log Analytics, or equivalent tools to enable proactive incident detection Lead incident response and troubleshooting efforts including root cause analysis, defect resolution, dependency updates, integration validation, and coordination of emergency changes to restore service rapidly Analyze performance and usage metrics across applications, APIs, AI model endpoints, data pipelines, and infrastructure to identify and remediate bottlenecks, latency issues, resource constraints, and efficiency opportunities Support capacity planning, resource sizing, autoscaling configuration, and cost optimization for compute, storage, and AI model consumption to balance performance requirements with fiscal responsibility Implement and maintain backup/restore processes, disaster recovery procedures, high availability architectures, and business continuity capabilities to ensure data protection and operational resilience Monitor data platform availability including Azure Databricks clusters, data pipelines, storage services, and analytical workloads with alerting for pipeline failures, job errors, and performance degradation Support deployment and operational readiness for pilot applications and new capabilities including pre-production validation, performance testing, runbook development, and go-live coordination Provide surge support for complex technical issues, large-scale data collection analysis, analytical environment optimization, and specialized troubleshooting requiring deep platform knowledge Develop and maintain operational documentation including runbooks, troubleshooting guides, architecture diagrams, incident post-mortems, and knowledge transfer materials to support sustainable operations Qualifications: Required – Bachelor's degree + 15 years of experience in site reliability engineering, DevOps, platform engineering, systems administration, or related field; equivalencies considered (Master's + 12 years; 21 years with no degree; AA + 17 years) Must be able to obtain a Active DHS/ EOD Clearance as required. Extensive experience with Site Reliability Engineering (SRE) principles including monitoring, observability, incident response, capacity planning, performance optimization, and reliability engineering practices Proven expertise with Azure cloud services including compute, storage, networking, monitoring, and platform-as-a-service (PaaS) offerings with deep understanding of operational best practices Strong experience with monitoring and observability tools (Azure Monitor, Application Insights, Grafana, Prometheus, ELK stack) and implementing alerting, dashboards, and log aggregation Demonstrated ability to troubleshoot complex technical issues across application, platform, and infrastructure layers with strong analytical and problem-solving skills Desired – Experience operating AI/ML platforms, large language model services (Azure OpenAI), data analytics platforms (Databricks, Synapse), or high-scale cloud applications in production environments Hands-on experience with Azure Government or other secure government cloud environments (AWS GovCloud) with understanding of compliance monitoring, security operations, and federal operational requirements Background in federal government, mission-critical systems, or 24/7 operational environments with experience supporting incident response, change management, and operational excellence programs - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $114,600-$252,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is seeking a dedicated Security Engineer to support the Department of Homeland Security (DHS) Office of the Inspector General (OIG). This role offers a unique opportunity to safeguard cutting-edge AI and data analytics capabilities that strengthen national security oversight through investigative, audit, and inspection operations. As a Security Engineer, you will design, implement, and maintain comprehensive security controls that protect sensitive investigative data, ensure compliance with federal security requirements, and enable secure AI and analytics capabilities. You will implement role-based access controls, encryption, logging and monitoring infrastructure, and data protection measures across AI applications, enterprise data platforms, and cloud infrastructure. From integrating with SIEM tools and enforcing controls for Law Enforcement Sensitive (LES) data to supporting Authority to Operate (ATO) processes and conducting security testing, you will be the guardian of data security and compliance. Working within Azure Government environments, you will ensure that transformational AI and data capabilities meet the highest standards of federal cybersecurity. Join us to make a meaningful impact by securing mission-critical systems on a program of national importance. Responsibilities: Design, implement, and maintain comprehensive security controls including application and infrastructure logging, access controls, audit trails, encryption, and least-privilege access policies across AI platforms, data environments, and mission applications Implement and enforce role-based access controls (RBAC), data security policies, and protective measures for sensitive data including Sensitive Personally Identifiable Information (SPII), Law Enforcement Sensitive (LES), and For Official Use Only (FOUO) data consistent with DHS OIG policies Integrate applications, data platforms, and cloud infrastructure with OIG-approved Security Information and Event Management (SIEM) systems and log aggregation tools to enable security monitoring, alerting, and incident response Monitor and analyze security logs, access patterns, and user behavior to detect unauthorized access attempts, anomalous activity, data exfiltration risks, and potential security incidents across all platform layers Support Authority to Operate (ATO) processes including security control implementation documentation, security testing coordination, vulnerability assessment, remediation evidence preparation, and ongoing compliance monitoring aligned with NIST 800-53 and FedRAMP requirements Perform comprehensive security testing including vulnerability assessments, penetration testing coordination, secure code review, configuration assessments, and validation that pilot applications and production systems meet security requirements Implement application-level security controls including input validation, output encoding, authentication/authorization mechanisms, session management, secure API design, and protection against OWASP Top 10 vulnerabilities Provide specialized forensic analysis and incident response support including server/virtual machine reconstruction, security-focused data analysis, digital evidence preservation, and technical declarations for investigative or administrative matters Coordinate with DHS OIG cybersecurity teams, privacy officers, DevSecOps teams, and Authorizing Officials to ensure integrated security posture, compliance with enterprise security policies, and alignment with continuous monitoring programs Develop and maintain security documentation including security architecture diagrams, control implementation evidence, configuration standards, incident response procedures, and security knowledge transfer materials Qualifications: Required – Bachelor's degree + 7 years of experience in cybersecurity, information security, security engineering, or related field; equivalencies considered (Master's + 4 years; 13 years with no degree; AA + 9 years) Must be able to obtain DHS / EOD Clearance. Proven experience implementing security controls, access management, encryption, and logging/monitoring solutions for enterprise applications and cloud infrastructure Strong understanding of federal security requirements including NIST 800-53, FedRAMP, FISMA, and experience supporting Authority to Operate (ATO) processes and continuous monitoring programs Hands-on experience with cloud security in Azure (or AWS/GCP) including identity and access management (Entra ID/Azure AD), network security, encryption services, and security monitoring tools Demonstrated experience with SIEM platforms, log analysis, security monitoring, intrusion detection, and incident response practices Desired – Experience securing AI/ML applications, data analytics platforms, or sensitive data environments in federal government, law enforcement, or national security contexts with understanding of investigative data handling requirements Hands-on experience with Azure Government or other secure government cloud environments (AWS GovCloud) including implementation of security controls for FedRAMP High or DoD Impact Level environments Professional security certifications such as CISSP, CEH, GIAC (GSEC, GCIH, GCIA), Security+, or equivalent demonstrating advanced security knowledge and commitment to the profession - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $90,300-$189,600 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is seeking a dedicated Security Engineer to support the Department of Homeland Security (DHS) Office of the Inspector General (OIG). This role offers a unique opportunity to safeguard cutting-edge AI and data analytics capabilities that strengthen national security oversight through investigative, audit, and inspection operations. As a Security Engineer, you will design, implement, and maintain comprehensive security controls that protect sensitive investigative data, ensure compliance with federal security requirements, and enable secure AI and analytics capabilities. You will implement role-based access controls, encryption, logging and monitoring infrastructure, and data protection measures across AI applications, enterprise data platforms, and cloud infrastructure. From integrating with SIEM tools and enforcing controls for Law Enforcement Sensitive (LES) data to supporting Authority to Operate (ATO) processes and conducting security testing, you will be the guardian of data security and compliance. Working within Azure Government environments, you will ensure that transformational AI and data capabilities meet the highest standards of federal cybersecurity. Join us to make a meaningful impact by securing mission-critical systems on a program of national importance. Responsibilities: Design, implement, and maintain comprehensive security controls including application and infrastructure logging, access controls, audit trails, encryption, and least-privilege access policies across AI platforms, data environments, and mission applications Implement and enforce role-based access controls (RBAC), data security policies, and protective measures for sensitive data including Sensitive Personally Identifiable Information (SPII), Law Enforcement Sensitive (LES), and For Official Use Only (FOUO) data consistent with DHS OIG policies Integrate applications, data platforms, and cloud infrastructure with OIG-approved Security Information and Event Management (SIEM) systems and log aggregation tools to enable security monitoring, alerting, and incident response Monitor and analyze security logs, access patterns, and user behavior to detect unauthorized access attempts, anomalous activity, data exfiltration risks, and potential security incidents across all platform layers Support Authority to Operate (ATO) processes including security control implementation documentation, security testing coordination, vulnerability assessment, remediation evidence preparation, and ongoing compliance monitoring aligned with NIST 800-53 and FedRAMP requirements Perform comprehensive security testing including vulnerability assessments, penetration testing coordination, secure code review, configuration assessments, and validation that pilot applications and production systems meet security requirements Implement application-level security controls including input validation, output encoding, authentication/authorization mechanisms, session management, secure API design, and protection against OWASP Top 10 vulnerabilities Provide specialized forensic analysis and incident response support including server/virtual machine reconstruction, security-focused data analysis, digital evidence preservation, and technical declarations for investigative or administrative matters Coordinate with DHS OIG cybersecurity teams, privacy officers, DevSecOps teams, and Authorizing Officials to ensure integrated security posture, compliance with enterprise security policies, and alignment with continuous monitoring programs Develop and maintain security documentation including security architecture diagrams, control implementation evidence, configuration standards, incident response procedures, and security knowledge transfer materials Qualifications: Required – Bachelor's degree + 7 years of experience in cybersecurity, information security, security engineering, or related field; equivalencies considered (Master's + 4 years; 13 years with no degree; AA + 9 years) Must be able to obtain DHS / EOD Clearance. Proven experience implementing security controls, access management, encryption, and logging/monitoring solutions for enterprise applications and cloud infrastructure Strong understanding of federal security requirements including NIST 800-53, FedRAMP, FISMA, and experience supporting Authority to Operate (ATO) processes and continuous monitoring programs Hands-on experience with cloud security in Azure (or AWS/GCP) including identity and access management (Entra ID/Azure AD), network security, encryption services, and security monitoring tools Demonstrated experience with SIEM platforms, log analysis, security monitoring, intrusion detection, and incident response practices Desired – Experience securing AI/ML applications, data analytics platforms, or sensitive data environments in federal government, law enforcement, or national security contexts with understanding of investigative data handling requirements Hands-on experience with Azure Government or other secure government cloud environments (AWS GovCloud) including implementation of security controls for FedRAMP High or DoD Impact Level environments Professional security certifications such as CISSP, CEH, GIAC (GSEC, GCIH, GCIA), Security+, or equivalent demonstrating advanced security knowledge and commitment to the profession - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $90,300-$189,600 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Senior AI Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is seeking an accomplished Senior AI Engineer to support the Department of Homeland Security (DHS) Office of the Inspector General (OIG). This role offers a unique opportunity to architect and develop cutting-edge artificial intelligence solutions that directly strengthen national security oversight through investigative, audit, and inspection operations. As a Senior AI Engineer, you will design, develop, and deploy AI-powered applications and capabilities that transform how federal oversight professionals analyze complex datasets. You will lead the technical implementation of OIGChat—a large language model-based assistant—build AI pipelines that consume governed enterprise data, and develop mission-specific applications for investigative analytics, eDiscovery, and pattern detection. From designing model routing architectures to implementing guardrails and validation frameworks, you will ensure AI solutions are secure, explainable, and mission-effective. Working within Azure Government and Commercial environments, you will shape the technical foundation of AI capabilities on a transformational program of national importance. Join us to make a meaningful impact by bringing next-generation AI to federal oversight missions. Responsibilities: Design, develop, and implement enhancements to OIG Chat and pilot AI applications, including model routing architectures, API patterns, prompt handling logic, and integration with Azure Open AI, Azure AI Foundry, and approved AI services Implement comprehensive AI guardrails, safety controls, logging mechanisms, and model access patterns to prevent data leakage, unauthorized use, and ensure outputs meet quality and security standards Design and build AI/ML model pipelines that consume governed datasets from the enterprise data platform, ensuring data lineage, quality, and compliance with data governance policies Develop AI-assisted analysis capabilities for investigative hotline data, case records, and federal datasets to support trend identification, anomaly detection, link analysis, and pattern recognition Implement machine learning features including model versioning, monitoring, performance tracking, and automated validation to support production AI operations Support development and deployment of pilot AI applications for eDiscovery, translation, transcription, and specialized investigative analytics use cases Conduct iterative prototyping and testing against limited datasets to validate AI approaches prior to enterprise implementation, including output validation frameworks Develop secure coding practices for AI applications, including input validation, error handling, sensitive data protection, and integration with security controls Provide technical expertise for prompting guidance, AI-enabled workflows, use case demonstrations, troubleshooting guides, and training content to support user adoption Collaborate with Government stakeholders, data engineers, platform teams, and security specialists to integrate AI capabilities within Agile delivery framework Qualifications: Required – Bachelor's degree + 15 years of experience in artificial intelligence, machine learning, software engineering, or related field; equivalencies considered (Master's + 12 years; 21 years with no degree; AA + 17 years) Extensive hands-on experience developing AI/ML applications, with deep expertise in large language models (LLMs), generative AI, and prompt engineering Proven experience with Azure OpenAI, Azure AI services, or equivalent enterprise AI platforms (AWS Bedrock, Google Vertex AI) in production environments Strong programming skills in Python with experience in AI/ML frameworks (LangChain, Semantic Kernel, Hugging Face, TensorFlow, PyTorch, scikit-learn) Demonstrated ability to design and implement secure, governed AI solutions including guardrails, validation frameworks, monitoring, and integration with enterprise data platforms Desired – Experience developing AI solutions for federal government, law enforcement, investigative, or national security applications with understanding of sensitive data handling requirements Hands-on experience with RAG (Retrieval-Augmented Generation) architectures, vector databases, semantic search, and knowledge graph integration Background in natural language processing (NLP), text analytics, entity extraction, sentiment analysis, or investigative analytics use cases - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $114,600-$252,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Senior AI Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is seeking an accomplished Senior AI Engineer to support the Department of Homeland Security (DHS) Office of the Inspector General (OIG). This role offers a unique opportunity to architect and develop cutting-edge artificial intelligence solutions that directly strengthen national security oversight through investigative, audit, and inspection operations. As a Senior AI Engineer, you will design, develop, and deploy AI-powered applications and capabilities that transform how federal oversight professionals analyze complex datasets. You will lead the technical implementation of OIGChat—a large language model-based assistant—build AI pipelines that consume governed enterprise data, and develop mission-specific applications for investigative analytics, eDiscovery, and pattern detection. From designing model routing architectures to implementing guardrails and validation frameworks, you will ensure AI solutions are secure, explainable, and mission-effective. Working within Azure Government and Commercial environments, you will shape the technical foundation of AI capabilities on a transformational program of national importance. Join us to make a meaningful impact by bringing next-generation AI to federal oversight missions. Responsibilities: Design, develop, and implement enhancements to OIG Chat and pilot AI applications, including model routing architectures, API patterns, prompt handling logic, and integration with Azure Open AI, Azure AI Foundry, and approved AI services Implement comprehensive AI guardrails, safety controls, logging mechanisms, and model access patterns to prevent data leakage, unauthorized use, and ensure outputs meet quality and security standards Design and build AI/ML model pipelines that consume governed datasets from the enterprise data platform, ensuring data lineage, quality, and compliance with data governance policies Develop AI-assisted analysis capabilities for investigative hotline data, case records, and federal datasets to support trend identification, anomaly detection, link analysis, and pattern recognition Implement machine learning features including model versioning, monitoring, performance tracking, and automated validation to support production AI operations Support development and deployment of pilot AI applications for eDiscovery, translation, transcription, and specialized investigative analytics use cases Conduct iterative prototyping and testing against limited datasets to validate AI approaches prior to enterprise implementation, including output validation frameworks Develop secure coding practices for AI applications, including input validation, error handling, sensitive data protection, and integration with security controls Provide technical expertise for prompting guidance, AI-enabled workflows, use case demonstrations, troubleshooting guides, and training content to support user adoption Collaborate with Government stakeholders, data engineers, platform teams, and security specialists to integrate AI capabilities within Agile delivery framework Qualifications: Required – Bachelor's degree + 15 years of experience in artificial intelligence, machine learning, software engineering, or related field; equivalencies considered (Master's + 12 years; 21 years with no degree; AA + 17 years) Extensive hands-on experience developing AI/ML applications, with deep expertise in large language models (LLMs), generative AI, and prompt engineering Proven experience with Azure OpenAI, Azure AI services, or equivalent enterprise AI platforms (AWS Bedrock, Google Vertex AI) in production environments Strong programming skills in Python with experience in AI/ML frameworks (LangChain, Semantic Kernel, Hugging Face, TensorFlow, PyTorch, scikit-learn) Demonstrated ability to design and implement secure, governed AI solutions including guardrails, validation frameworks, monitoring, and integration with enterprise data platforms Desired – Experience developing AI solutions for federal government, law enforcement, investigative, or national security applications with understanding of sensitive data handling requirements Hands-on experience with RAG (Retrieval-Augmented Generation) architectures, vector databases, semantic search, and knowledge graph integration Background in natural language processing (NLP), text analytics, entity extraction, sentiment analysis, or investigative analytics use cases - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $114,600-$252,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI’s RST business unit is seeking aspiring software engineers, signals analysts, and physicists to join our team to support the development of algorithms and software related to synthetic aperture radar, low observables, electro-optical, and other remote sensing capabilities. As part of ARKA, you will be at the forefront of developing and enhancing remote sensing capabilities and working in space emerging technology. You will learn about these technologies from the experts that discovered and patented these capabilities. This work requires candidates to be a US citizen willing and able to obtain a Top Secret clearance. Responsibilities : Take algorithm definitions and prototypes and convert them into robust software applications. Collaborate with radar/electro-optical and research scientist experts to solve issues and iterate to improve product image quality. Design, develop, and maintain robust and scalable software applications using modern programming languages and technologies. If a software engineer, write clean, efficient, and well-tested code that adheres to best practices and coding standards. Learn about synthetic aperture radar (SAR) or electro-optical collection techniques. Participate in all aspects of the development lifecycle, including planning, requirements development, software design, implementation and build, documentation, testing, deployment, and maintenance. Troubleshoot and resolve technical issues in a timely and effective manner. Learning from our recognized leaders and setting oneself up for future leadership in the area. Qualifications: Required: US citizenship with a willingness and ability to obtain a Top Secret clearance (you will be processed for a Top Secret clearance prior to start). A degree (or progress toward a degree with an expected graduation date) in Computer Science, Electrical Engineering, Physics, or a related field; four years of professional experience in software or signals processing in lieu of a degree; or military background in electronic warfare and/or signals processing 2+ years of software engineering experience Interest in learning remote sensing technologies Familiarity with a programming language (preferably Python, C++, Rust, or similar) Familiarity developing in Linux and/or in a cloud environment (AWS preferred) Excellent problem-solving and analytical skills Ability to work within a team environment to advance large software development packages by taking on and completing tasks independently Work onsite Desired: Programming skills in multiple languages Knowledge of or background in radar or electro-optical fields. Academic experience in digital signal processing Scrum/Agile Development knowledge and experience with Jira Experience writing software implementing algorithms Passion for solving hard problems - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $69,100-$141,500 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.