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Job Title: UI/UX Web Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * CACI is seeking a UI/UX Web Developer to use SharePoint's and other custom web development capabilities to provide rapid prototyping of integrated web applications. You’ll use a multitude of data source standards such as REST/OData/OAuth and employ your knowledge of SharePoint's, and other web development tools, security and information management capabilities across a variety of our customer’s development platforms and scenarios. Responsibilities • Develop SharePoint from OOTB to custom applications and UX/UI (2010, 2013, 2016, 2019, Online, O365) by maintaining large lists and libraries, permissions and site structures, custom workflows, and Microsoft best practices. • Design and implement intuitive, user-centered UI/UX for web applications, ensuring alignment with business goals and user needs. • Conduct user research and usability testing to gather feedback and iterate on designs. • Create wireframes, prototypes, and mockups to visualize design concepts and gather stakeholder approval. • Integrate and develop multiple data sources to provide customized Dashboards for senior management and government clients. • Work with programming languages and scripting methods including HTML, CSS, and JavaScript. • Create secure applications systems utilizing IC or DoD security guidelines. • Experience utilizing DevOps tools such as a version control system. • Lead with software testing, documentation, and training. • Collaborate with cross-functional teams including product managers, designers, and developers to ensure cohesive product delivery. • Ensure web applications are responsive and provide an optimal viewing experience across various devices and browsers. • Adhere to WCAG guidelines to ensure 508 compliance in all web development projects. Qualifications Required: • BA/BS degree and 8 years of experience. In lieu of a bachelor’s degree, 2 additional years of experience if AA/AS, or 4 additional years of experience with HS diploma. • TS/SCI w/ Poly Clearance is required. • Experience with Information Technology Infrastructure Library (ITIL) Framework, high availability, and enterprise infrastructure. • Experience with SharePoint Designer, InfoPath, SSRS Report Designer. • Knowledge of PHP applications (WordPress, Joomla, and Drupal). • Experience with 508 compliance. • Knowledge of Agile methodologies. • Experience with SharePoint migrations. • Website design experience. • Establishes operational plans for technical area. • Develops and implements innovative products, processes, standards or operational plans achieved through research and integration of best practices that will have impact on the achievement of functional results of a project or system. • Experience communicating with executive leadership. • Proficiency in UI/UX design tools such as Sketch, Adobe XD, Figma, or similar. • Strong understanding of front-end technologies including HTML5, CSS3, JavaScript, and responsive design principles. • Experience with user-centered design processes and usability testing. • Must remain on the client site during Program core hours of 0900-1500. Desired: • Experience using ServiceNow Agile or SAFE capabilities. • Experience using programming languages including Python, PHP, Java, and Bash. • Familiarity with front-end frameworks such as React or Angular. • Experience with knowledge management, taxonomy, folksonomy. • Experience creating and/or managing web governance, policies, and procedures. • Experience developing PHP front-end applications and applets. • Knowledge of developing Azure or AWS cloud environments. • Experience with SQL and mySQL. • Portfolio of UI/UX design work showcasing a variety of projects and design skills. - 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. The proposed salary range for this position is: $103,800 - $218,100 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: Field Systems Engineer (Radar/C-UAS) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 50% Type of Travel: Continental US * * * CACI is seeking a highly motivated, self-starting Field Systems Engineer to lead the deployment, integration, and optimization of advanced radar and sensor systems for counter-UAS operations. In this role, you will be the tip of the spear for fielding critical technologies, bridging the gap between hardware deployment and complex system optimization. The ideal candidate is an independent problem solver who thrives in dynamic environments and possesses a deep understanding of diagnosing complex "systems of systems" that integrate RF and SIGINT sensors. You will be responsible for physically setting up sensors at remote sites, configuring systems for On-The-Move (OTM) operations, and analyzing data streams to ensure maximum effectiveness against small, low-profile targets. Core Responsibilities: • System Deployment & Integration: Deploy, configure, and register solid-state radar systems—specifically RADA (42 and 82 series) and Echodyne metamaterial platforms—for both static and dynamic OTM applications. • Systems of Systems Diagnostics: Troubleshoot, debug, and seamlessly integrate complex architectures involving disparate RF, SIGINT, and supporting sensor nodes. • PNT Configuration: Integrate and calibrate Position, Navigation, and Timing (PNT) systems to ensure absolute geospatial accuracy and continuous tracking while on the move. • Optimization & Tuning: Fine-tune radar parameters, clutter maps, and Doppler filters on-site to optimize the detection and tracking of small unmanned aerial systems (sUAS) in highly cluttered environments. • Field Testing & Validation: Travel to remote operational sites and test ranges to conduct end-to-end performance testing, system validation, and customer demonstrations. Required Qualifications: • Bachelor’s degree in a STEM field (Electrical Engineering, Systems Engineering, Computer Science, etc.) OR equivalent military/technical field experience. • Proven track record as a self-starter and aggressive problem solver capable of operating independently to diagnose hardware and software issues within complex RF/SIGINT systems. • Hands-on experience installing, configuring, and operating tactical radar, electronic warfare, or advanced sensor networks. • Strong understanding of PNT integration and the unique technical challenges associated with OTM sensor deployments. • Willingness and ability to travel to field sites for installation, testing, and sustainment activities. • U.S. Citizenship and the ability to obtain/maintain a DoD Security Clearance. Preferred Qualifications: • Data science or scripting background (e.g., Python, MATLAB) with the ability to build code, ingest radar data streams, and optimize algorithms for sUAS detection. • Prior military experience in Air Defense Artillery (ADA), electronic warfare, or tactical network integration. • Direct, hands-on experience calibrating and troubleshooting RADA or Echodyne systems in austere environments. - 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. The proposed salary range for this position is: $79,400 - $162,700 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: Appian Configuration Analyst - Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Continental US * * * The Opportunity: CACI is preparing for an exciting modernization effort with the Department of Veterans Affairs (VA). This new program will be a transformational initiative that will reshape how the VA manages acquisition, contracting, and enterprise-wide data. As the VA moves toward a modern, secure, and integrated CMS environment, our team will play a pivotal role in delivering the technology, expertise, and innovative problem solving required to support the nation’s veterans. CACI is building a team of experts who thrive in challenging modernization environments as this program calls for high-impact technical leaders, forward-thinking engineers and mission-focused professionals. We are currently hiring Appian Configuration Analysts (Junior Developer/Developer) to join this dynamic team. The Appian Configuration Analysts (Junior Developer/Developer) will configure and optimize Appian-based solutions within Agile delivery pods supporting an enterprise acquisition system modernization. This role requires strong technical skills in low-code platform configuration, experience with business process automation, and the ability to work collaboratively with developers and business analysts to deliver user-friendly workflows serving 26,000+ users transitioning to a unified Appian-based platform. This position is contingent upon contract award. Responsibilities: Configure Appian GAM Suite modules including workflows, business rules, decision tables, forms, interfaces, and user experience components to meet Federal acquisition requirements Collaborate with Appian developers, business analysts, and subject matter experts to translate business requirements into technical Appian configurations Build and maintain configurable components including clause libraries, questionnaire logic, milestone templates, approval routing, and document generation templates Support development of reusable Appian objects, interfaces, data types, and expression rules to accelerate delivery and promote consistency Participate in Agile ceremonies including sprint planning, daily standups, demos, and retrospectives, contributing to sprint commitments and velocity Contribute to continuous improvement initiatives by identifying configuration patterns, reusable components, and process optimizations Conduct unit testing of configured components and support integration testing, UAT, and defect resolution activities Document configuration decisions, technical specifications, and user-facing guidance to support knowledge transfer and maintenance Optimize Appian performance through configuration best practices, caching strategies, and efficient workflow design Support deployment activities including package preparation, environment promotion, and release validation Qualifications: Required: US Citizen with ability to pass Tier 2 background investigation Bachelor's degree in Computer Science, Information Technology, Engineering, or related technical field of study (3 additional years of relevant IT experience may be considered in lieu of degree) Junior Developer : 1-3 years of experience in software configuration, business process automation, or low-code platform development Developer : 3-5 years of exprience in software configuration, business process automation, or low-code platform development Experience with low-code/no-code platforms or business process management tools Strong understanding of workflow automation, business rules, and process modeling concepts Ability to translate business requirements into technical configurations Strong analytical and problem-solving skills with attention to detail Desired: Appian Certified Analyst or Appian Certified Associate Developer certification Hands-on experience with Appian platform configuration (process models, interfaces, decision rules, records, sites) Experience supporting Federal government system modernization programs Knowledge of Federal acquisition lifecycle, contracting processes, or FAR/VAAR regulations Understanding of Agile/Scrum methodologies and sprint-based delivery Prior experience with API integrations, web services, or system interfaces SQL knowledge for data querying and validation Familiarity with Federal financial management or ERP systems Experience with Azure cloud environments or SaaS application configuration Background in user experience design or Section 508 accessibility standards Scripting or programming experience (JavaScript, Java, Python) for advanced Appian configuration This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI. 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: Systems Engineer - DevOps Kubernetes Support Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity We are seeking a Systems Engineer to support DevOps activities for the Zero Trust Identity, Credential, and Access Management (ZT ICAM) program and deployments for DoD customers. Working under the direction of senior engineers, this individual will assist with automated build, testing, packaging, deployment, monitoring, and release activities; support Linux and containerized environments; and help maintain repeatable deployment configurations and technical documentation. The position requires foundational DevOps knowledge and practical experience with Kubernetes, along with an interest in expanding those skills while supporting an integrated enterprise solution across varied customer environments. Responsibilities Support continuous integration and continuous delivery pipelines, automated builds, testing, artifact packaging, and release activities. Assist with the deployment and sustainment of containerized applications in Kubernetes environments under the guidance of senior engineers. Maintain configuration files, scripts, deployment manifests, repositories, and version-controlled engineering artifacts. Help configure and troubleshoot workloads, services, namespaces, ConfigMaps, Secrets, storage, networking, and access controls. Monitor pipeline and deployment results; review logs and system health information; document issues; and support corrective actions. Assist with container and dependency scanning, vulnerability remediation tracking, software bills of materials, and release evidence. Support DISA and other DoW customer deployment activities by collecting environment information, executing documented procedures, and escalating technical issues. Develop and maintain setup instructions, deployment checklists, troubleshooting notes, release documentation, and other technical guides. Qualifications Required TS/SCI clearance with polygraph. Seven years of experience as a systems engineer supporting programs and contracts of similar scope, type, and complexity. A bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an accredited college or university. DoD 8570 compliance with IAT Level I or higher, if the COR determines that the position's activities include CWIP activities. Five years of additional systems engineering experience may be substituted for a bachelor's degree. Desired Experience with RKE2, Rancher, Helm, Kustomize, Kubernetes package configuration, or single- and multi-namespace deployments. Familiarity with Jenkins, GitLab CI, GitHub Actions, Ansible, Terraform, or comparable automation and infrastructure tools. Exposure to security scanning, vulnerability management, software bills of materials, artifact signing, container registries, or software supply chain practices. Familiarity with REST APIs, JSON, PKI, mutual TLS, OAuth 2.0, OpenID Connect, or enterprise identity and access management concepts. Experience supporting classified, disconnected, air-gapped, or otherwise restricted customer environments. Experience using Jira, Confluence, Microsoft Word, SharePoint, or Git-based repositories to manage work and technical documentation. - 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. The proposed salary range for this position is: $94,400 - $198,200 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: Appian Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Continental US * * * The Opportunity: CACI is preparing for an exciting modernization effort with the Department of Veterans Affairs (VA). This new program will be a transformational initiative that will reshape how the VA manages acquisition, contracting, and enterprise-wide data. As the VA moves toward a modern, secure, and integrated CMS environment, our team will play a pivotal role in delivering the technology, expertise, and innovative problem solving required to support the nation’s veterans. CACI is building a team of experts who thrive in challenging modernization environments as this program calls for high-impact technical leaders, forward-thinking engineers and mission-focused professionals. We are currently hiring an Appian Developer to join this dynamic team. The Appian Developer will design, develop, and maintain Appian-based applications within Agile delivery pods supporting a Federal enterprise acquisition system modernization. This role requires strong technical skills in low-code platform development, experience with process automation and integrations, and the ability to work collaboratively with business analysts and technical teams to deliver scalable solutions serving 26,000+ users transitioning to a unified Appian-based platform. This position is contingent upon contract award. Key Responsibilities Design and develop Appian applications including process models, interfaces, records, sites, integrations, and expression rules to meet Federal acquisition requirements Build and maintain Appian Connected Systems and Integration Objects to enable system-to-system data exchange with financial systems, Federal platforms, and internal applications Develop reusable components, data types, and expression rules to accelerate delivery and promote code consistency across delivery pods Collaborate with Appian Configuration Analysts, business analysts, and subject matter experts to translate business requirements into technical solutions Participate in Agile ceremonies including sprint planning, daily standups, demos, and retrospectives, contributing to sprint commitments and velocity Conduct unit testing, code reviews, and support integration testing, UAT, and defect resolution activities Optimize application performance through efficient query design, caching strategies, and Appian best practices Develop and maintain technical documentation including design specifications, API documentation, and deployment procedures Support deployment activities including application packaging, environment promotion, and release validation Mentor junior developers on Appian development best practices, design patterns, and Federal acquisition domain knowledge Qualifications Required US citizen with ability to pass Tier 2 background investigation Bachelor's degree in Computer Science, Information Technology, Engineering, or related technical field of study (3+ additional years of relevant IT experience may be considered in lieu of degree) 3-7 years of experience in software development, with at least 1 year of Appian development or low-code platform experience (Two levels: mid-career = 3-5 years of experience; lead-level = 5+ years of experience) Experience developing applications using low-code/no-code platforms or business process management tools Strong understanding of software development lifecycle, object-oriented programming concepts, and database design Proficiency with web services, APIs, or system integration development Strong analytical and problem-solving skills with attention to code quality and maintainability Desired Appian Certified Associate Developer or Appian Certified Senior Developer certification Hands-on experience developing Appian applications (process models, interfaces, records, sites, integrations, expression rules) Experience supporting Federal government system modernization programs Knowledge of Federal acquisition lifecycle, contracting processes, or FAR/VAAR regulations Advanced SQL skills for database querying, optimization, and stored procedure development Prior experience with Agile/Scrum methodologies and sprint-based delivery Programming experience (Java, JavaScript, Python) for advanced Appian customizations or extensions Familiarity with Azure cloud environments, SaaS application development, or containerization Experience with RESTful APIs, SOAP web services, or enterprise integration patterns Understanding of DevSecOps practices, CI/CD pipelines, and automated testing Background in user experience design or Section 508 accessibility standards Experience with data migration, ETL processes, or data transformation logic This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI. 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: Journeyman Cybersecurity 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: Local * * * The Opportunity: CACI is seeking a Journeyman Cybersecurity Engineer for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance. Responsibilities: Design and implement comprehensive security solutions for physical data centers, virtual hosting environments, and cloud platforms incorporating defense-in-depth strategies and zero-trust security principles Ensure all operating environments, system configurations, and infrastructure deployments conform to Department of State and DT physical and information security requirements Incorporate security best practices throughout engineering designs and system development lifecycle activities, ensuring compliance with DOS security policies, FISMA requirements, NIST 800-53 controls, and STIGs Design and implement network security solutions including high-availability load balancing, DDoS detection and mitigation systems, intrusion prevention systems, and web application firewalls Implement and configure FedRAMP-compliant cloud systems, coordinating with DOS Cloud Computing Governance Board (CCGB) to ensure data sovereignty requirements and boundary protections Support infrastructure architecture security development by providing technical security expertise, conducting security architecture reviews, and performing threat modeling and risk assessments Implement comprehensive monitoring, logging, and alerting capabilities integrated with Enterprise Monitoring infrastructure and SIEM platforms Leverage DevSecOps tooling including Ansible, Terraform, Jenkins, GitLab, and SonarQube to construct and optimize CI/CD pipelines, automating security validation and vulnerability scanning Conduct security assessments, vulnerability testing, and security control validation for new and existing systems, generating detailed technical reports with remediation recommendations Collaborate with infrastructure engineers, application developers, security analysts, and Government stakeholders to implement secure technical solutions and promote security engineering best practices Qualifications: Required – Bachelor's degree + 4 years of experience in related fields, such as cybersecurity engineering, security architecture, systems security engineering, network security, or DevSecOps; equivalencies considered. Active Top Secret Clearance Proven experience with security engineering, security architecture design, security controls implementation, and secure system design principles Demonstrated knowledge of information security frameworks including NIST 800-53, FISMA compliance, Risk Management Framework (RMF), and Federal security requirements Strong understanding of network security technologies including firewalls, IDS/IPS, load balancers, DDoS mitigation, and cloud security architectures (AWS, Azure) Proficiency with DevSecOps tooling such as Ansible, Terraform, Jenkins, GitLab, SonarQube, and knowledge of CI/CD pipeline security integration Desired – Prior experience supporting federal agencies, especially the Department of State Professional security certifications such as CompTIA Security+, CISSP, Certified Ethical Hacker (CEH), Certified Cloud Security Professional (CCSP), or GIAC certifications Experience with FedRAMP authorization processes, Security Technical Implementation Guides (STIGs), and SIEM platforms (Splunk, ArcSight, QRadar) Background in threat modeling methodologies, penetration testing, vulnerability assessment tools - 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. The proposed salary range for this position is: $94,400 - $198,200 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: Staff AI/ML Engineer Job Category: Science Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: 11/27/2026 The Opportunity: This position is for a Staff AI/ML Engineer looking for new challenging problems. You should have experience working in research teams prototyping and developing AI/ML algorithms. You will support the development of AI/ML algorithms in a multitude of disciplines including object detection/classification, natural language processing, time series prediction/classification, reinforcement learning, and large language models. Responsibilities: Implement machine learning algorithms as part of a small interdisciplinary team Analyze large multi-domain datasets including images, text, time series, and graph data Review and apply cutting-edge research publications Create technical documentation and user guides Understand training and deployment pipelines including AWS services Provide training and mentoring to team members Qualifications: Required: Active TS/SCI U.S. Government Security Clearance with adjudicated Polygraph B.S. in machine learning, computer science, mathematics, or related field 8+ years of AI/ML development experience Proficiency with Python and ML libraries such as PyTorch, Lightning, OpenCV, NumPy, Polars Experience with supervised and unsupervised learning Experience with deep learning architectures Experience contributing on a team using version control (e.g. git, GitLab, Bitbucket) Desired: M.S. or PhD in relevant technical field Experience leading interdisciplinary teams Experience with MCP, Microsoft Agent Framework, HuggingFace, LangChain, OpenCV Experience with GenAI Ops techniques (e.g. LLM-as-a-judge) and frameworks (e.g. LangFuse, MLFlow, Arize Phoenix) Experience with LLMs, Transformers, YOLO, GANs, Reinforcement Learning Linux and AWS experience Experience with CUDA and Python libraries such as CuPy, Numba, CuSignal, CuDF, etc. Experience in application deployment, virtualization, and containerization (e.g. Podman, Docker, Kubernetes, Rancher) Familiarity with using AWS cloud computing resources such as EC2, S3, Lambda, etc. - 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: $98,500-$206,800 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 Cyber Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US Anticipated Posting End: 12/31/2026 The Opportunity: Designs, tests, and implements state-of-the-art secure operating systems, networks, and database products. Leads risk assessments and provides recommendations for application design. Leads cybersecurity initiatives including architectures, firewalls, electronic data traffic, and network access. Provides guidance on encryption technology, penetration and vulnerability analysis of various security technologies, and information technology security research. May support security report preparation for delivery to regulatory agencies. Responsibilities: Maintain multiple RMF packages and performing risk assessments across mission systems supporting the Data Transport and Receive Network (DTRN) (e.g., SCN, SCN Test Lab, Orbital Analysis Subsystem). Serve as a cybersecurity expert leading and tasking Junior and Journeymen Information Security Analyst in effective RMF execution. Develops and implement an Anti-virus/Malware identification process for checking in/out of SCN equipment from/to SCN sites. Coordinates with Software Maintenance Action (SWMA) IA patching team and with the program office IA architecture team on an IA/Cybersecurity Roadmap to identify non-compliant IA controls and propose corrective actions. In coordination with the Government, employ system security engineering to design, develop and implement secure applications and configurations. In preparation of acquiring mission hardware for all IA-impacting projects/efforts, evaluate the COTS and GOTS, when available, hardware, firmware, and software information security components. Organize annual cybersecurity control validation within eMASS IAW DoDI 8510.01 and DoDI 8500.01. Attends Technical Interchange Meetings at key project phases (Requirements, Design, etc.) to obtain cybersecurity community buy off. Participates in the development and implementation of policies, procedures and standards related to information security, privacy and incident response, and monitors compliance to these policies and programs. Provides technical engineering services management for the support of integrated security systems and solutions. Uses tools and processes to monitor information systems for security-related events. Assesses cybersecurity configuration changes for major security infrastructure platforms. Helps maintain a library of security audit tools, and corresponding processes that can be used for system security testing, internal audits, incident response, and diagnosis of security-related system issues. Travel to CONUS and OCONUS locations may be required (up to 20%) Qualifications: Required : BS Degree in related field plus 5 years of related experience or equivalent combination of education / experience Active DoD Secret Security Clearance required or the ability to obtain and maintain one Qualified candidates will have demonstrated the following traits: technically competent, strong data analysis skills, solid decision making, critical thinking, strong customer focus, self-motivated, desire to learn, effective and professional interpersonal skills, pride in work, strong team player, and hardworking Desired: DoD 8140 Cyber Defense Analyst or Vulnerability Analyst Intermediate Qualification or certification (e.g., CISSO, CySA+, GPEN, CISA, or technical BS from an ABET accredited or CAE designated institution [as defined in DoD 8140]) SCN and/or DoD experience Cybersecurity Tool experience (e.g., eMASS, ACAS, ESS, SIEM, STIGs) Flexibility and willingness to take on unanticipated tasks is highly desirable. - 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. 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.