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We’re looking for an experienced Software Engineer to join our team in Fareham a distributed engineering team working on high‑performance, real‑time systems . This role is ideal for someone who enjoys building robust backend software, working close to hardware and sensors, and creating intuitive user interfaces for complex systems. You’ll be involved across the full software lifecycle, contributing to both core system logic and user‑facing applications, with a strong focus on performance, reliability, and quality. Location: Fareham On Site: Regular Access to the site Clearance: Candidates should be willing and eligible to obtain at least BPSS clearance. Experience Level: 5+ years of relevant experience. Key Responsibilities: Design, develop, and maintain backend software components using modern C++ Build and implement algorithms that combine and process data from multiple sensors Develop and optimise real‑time image and data processing pipelines Create and integrate user interfaces using Qt and QML , connected to C++ backends Ensure high software quality through code reviews, testing, debugging, and performance tuning Collaborate closely with systems, embedded, and UI/UX engineers Contribute across the full development lifecycle: requirements, architecture, implementation, and documentation Required Skills: Strong commercial experience with C++ Hands‑on experience with Qt / QML Background in real‑time, embedded, or performance‑critical systems Ability to work on complex systems that integrate software, hardware, and data Comfortable working remotely as part of a collaborative engineering team Experiance within Defence or Maritime industries Required Qualifications: A Bachelor’s or Master’s degree in Engineering , or equivalent military experience . Desirable Skills: Experience working with sensor data such as cameras, radar, LiDAR, or similar inputs Background in image processing , computer vision, or perception systems Exposure to embedded Linux or low‑level system integration Understanding of performance optimisation and multi‑threaded applications Experience working in regulated, safety‑critical, or high‑reliability environments Why join us? We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies. At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals. Join a passionate team and help build tomorrow, today. In short you get: A personalised career path and a rewarding management style A huge diversity of engineering projects and industries Private Medical Insurance Cycle & Tech Scheme Employee assistance programme Life insurance & Pension Scheme Social atmosphere, regular gatherings & team buildings Flexible way of working (role dependent) We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.

We're looking for a Principal Systems Engineer to support the definition and development of complex defence systems from the earliest stages of the product lifecycle. You will provide technical leadership, shape system-level solutions, and help guide engineering teams through concept and development activities. Location: Stevenage or Bristol On-site Requirement: 3 Days Per Week Seniority: 10+ Years Experience Security Clearance: Candidates must be willing and eligible to obtain SC clearance. Key Responsibilities Lead systems engineering activities across concept and early lifecycle development. Define system solutions, requirements, and technical trade studies. Support technical decision-making and systems-level analysis. Engage with stakeholders to understand evolving operational requirements. Guide and mentor engineers within the wider systems team. Support design reviews and programme-level engineering activities. Required Skills Demonstrable experience leading systems engineering activities across complex engineering programmes. Strong understanding of requirements development, management, and traceability throughout the system lifecycle. Experience supporting early-stage concept definition, trade studies, and solution development activities. Ability to analyse complex technical problems and make informed system-level decisions. Experience engaging with senior stakeholders and influencing technical direction across multidisciplinary teams. Soft Skills & Collaboration Proven technical leadership and mentoring capability. Excellent communication and stakeholder management skills. Ability to influence and guide engineering teams through complex technical challenges. Strong collaborative approach to cross-functional engineering delivery. Required Qualifications Bachelor's or Master's degree in Engineering, or relevant technical military background with equivalent experience. Desirable Skills Experience working on defence or weapon system development programmes. Familiarity with IBM Rhapsody or comparable systems engineering tools. Experience supporting concept assessment and feasibility studies. Exposure to systems architecture and solution definition activities. Why join us? We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies. At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals. Join a passionate team and help build tomorrow, today. In short you get: A personalised career path and a rewarding management style A huge diversity of engineering projects and industries Private Medical Insurance Cycle & Tech Scheme Employee assistance programme Life insurance & Pension Scheme Social atmosphere, regular gatherings & team buildings Flexible way of working (role dependent) We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.

Are you an experienced Manufacturing Engineer looking to play a key role in the production of complex, high-reliability electronic products? You will support the optimisation of manufacturing processes, drive continuous improvement initiatives, and contribute to the delivery of advanced engineering solutions within a fast-paced production environment. Location: Telford On-site Requirement: 3 Days Per Week Seniority: 5+ Years Experience Security Clearance: Candidates must be willing and eligible to obtain BPSS clearance. Key Responsibilities Support and improve PCB manufacturing processes across production operations. Identify and implement process improvements to enhance quality, efficiency, and yield. Investigate manufacturing issues and lead root cause analysis activities. Collaborate with design, quality, and production teams to optimise manufacturability. Develop and maintain manufacturing documentation, procedures, and work instructions. Support new product introduction activities and process validation exercises. Required Skills PCB Manufacturing Engineering Process Improvement & Continuous Improvement Root Cause Analysis & Problem Solving Manufacturing Documentation & Process Control New Product Introduction (NPI) Soft Skills & Collaboration Strong communication skills across engineering and manufacturing teams. Ability to work independently and manage multiple priorities. Collaborative approach to problem solving. Continuous improvement mindset. Required Qualifications Bachelor's or Master's degree in Engineering, or relevant technical military background with equivalent experience. Desirable Skills Lean Manufacturing methodologies. Six Sigma principles. IPC standards knowledge. Electronics assembly process experience. Why join us? We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies. At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals. Join a passionate team and help build tomorrow, today. In short you get: A personalised career path and a rewarding management style A huge diversity of engineering projects and industries Private Medical Insurance Cycle & Tech Scheme Employee assistance programme Life insurance & Pension Scheme Social atmosphere, regular gatherings & team buildings Flexible way of working (role dependent) We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.

Engage in the development of advanced real‑time embedded software systems with ALTEN Ltd . Join our team as an Embedded Software Lead , where you’ll design and deliver high‑performance software that enables complex sensor‑driven systems to understand their surroundings and present information clearly through intuitive graphical interfaces. You’ll work across embedded, real‑time and performance‑critical environments, combining modern C++ development with Qt/QML user interfaces to deliver robust, production‑ready solutions. Location: Portsmouth On‑site: Hybrid Seniority: Lead Role Security Clearance: Candidates must be willing to complete a Baseline Personnel Security Standard (BPSS) Key Responsibilities Lead the design, development and maintenance of embedded and backend software using modern C++ (C++14/17/20) Develop and integrate real‑time software components for performance‑critical systems Implement algorithms for sensor data processing and fusion , combining inputs from multiple sources Design and integrate Qt/QML user interfaces with C++ back‑end systems Ensure software quality through code reviews, testing, debugging and performance optimisation Collaborate closely with systems, embedded and UI/UX engineers Contribute across the full software lifecycle, from requirements and architecture through to implementation and documentation Provide technical leadership and guidance within the software team Required Skills Strong experience in embedded software development C++ experience within real‑time, embedded or performance‑critical environments Qt / QML development experience ( mandatory ) Experience designing software that interfaces with sensors and hardware‑level systems Strong understanding of software architecture and system performance considerations Soft Skills & Collaboration Confident technical communicator with leadership capability Comfortable working across multidisciplinary engineering teams Proactive, quality‑focused mindset Able to balance technical delivery with mentoring and guidance Required Qualifications: Bachelor’s or Master’s degree in Engineering, or relevant technical military background with equivalent experience. Desirable Skills Experience with sensor‑based systems (e.g. vision, radar, navigation or perception) Background in real‑time or safety‑critical environments Exposure to embedded Linux or performance‑optimised systems Experience leading or mentoring engineers within a software team Why join us? We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies. At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals. Join a passionate team and help build tomorrow, today. In short you get: A personalised career path and a rewarding management style A huge diversity of engineering projects and industries Private Medical Insurance Cycle & Tech Scheme Employee assistance programme Life insurance & Pension Scheme Social atmosphere, regular gatherings & team buildings Flexible way of working (role dependent) We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.

🔍 Votre rôle : En tant que Développeur Fullstack , vous travaillerez sur des projets stratégiques mêlant robustesse backend et performance frontend, dans le domaine de l'énergie . Vos missions Analyse : • Contribue à la définition des spécifications générales. • Réalise l'analyse technique et l’étude détaillée. • Adapte et paramètre les progiciels applicatifs (ERP). • Réalise le prototypage. Qualification : • Élabore les jeux de tests pour les tests unitaires d’intégration. • Effectue les tests unitaires. • Identifie et traite les dysfonctionnements. Développement : • Réalise les modules (objets et composants logiciels). • Assemble les composants. • Rédige les documentations. Maintenance : • A en charge la maintenance corrective. • A en charge la maintenance évolutive. • Administre les composants logiciels réutilisables et met à jour la Nomenclature de ces composants. Compétences Clés Langages de programmation : HTML, CSS, JavaScript, TypeScript, Python, PHP, Java, C#. Frameworks et bibliothèques : React, Angular, Vue.js, Node.js, Django, Laravel. Gestion des bases de données : MySQL, PostgreSQL, MongoDB. Déploiement et DevOps : Docker, Kubernetes, CI/CD, AWS, Azure. Gestion de versions : Git, GitHub, GitLab. Tests et sécurité : Jest, Cypress, OWASP, Postman. Diplôme : Issu(e) d’une formation Bac+5 en école d’ingénieur ou équivalent universitaire. Vous justifiez de 5 ans d’expérience minimum en développement Fullstack. Maîtrise impérative de JAVA côté backend et d' ANGULAR côté frontend. Esprit d’équipe, autonomie et rigueur sont vos maîtres-mots. Une expérience dans le secteur industriel est un plus.

Pour renforcer son pôle naval défense, la Direction des compétences du groupe ALTEN recrute un responsable bureau d'études spécialisé dans le secteur naval, Missions principales Garantir l’excellence technique et la conformité Assurer la qualité et la conformité des livrables techniques en alignement avec les exigences clients et les normes réglementaires. Représenter l’expertise technique Servir de référent technique privilégié pour la direction, les clients et les partenaires industriels. Manager et développer les équipes techniques Encadrer, structurer et accompagner la montée en compétences des équipes (ingénieurs, référents, experts), en favorisant la coordination, l’animation et la performance collective. Valider et superviser les livrables Contrôler les livrables techniques avant leur diffusion aux clients. Animer la coordination technique Piloter les revues techniques et assurer la coordination métier pour garantir la cohérence des projets. Former et accompagner les équipes Contribuer à la formation et à l’évolution des compétences des équipes dans votre domaine d’expertise. Contribuer au développement commercial Participer activement aux phases d’avant-vente et à la réponse aux appels d’offres dans votre domaine. Formation / Expérience Diplômé d’une école d’ingénieurs ou titulaire d’un Master (Bac+5) équivalent Minimum 6 ans d’expérience en bureau d'études et/ou dans le secteur naval Compétences techniques Maitrise approfondie d’outils de CAO , idéalement sous environnement CATIA, SolidWorks ou 3DExperience, Supervision, rédaction de dossiers de justification de conception, Vous possédez d’excellentes qualités rédactionnelles et de synthèse, Maitrise de l’anglais écrit/oral requise. Qualités personnelles Sens de la structuration des filières métiers, capitalisation et partage des connaissances Appétence pour la formation, le coaching et le mentorat Intérêt pour l'automatisation et l'optimisation des processus Curiosité et veille active sur les nouvelles technologies et les enjeux du secteur Langues et mobilité Maîtrise professionnelle de l'anglais RTT Tickets restaurant (60% pris en charge par ALTEN) Participation aux frais de transports (Pass Navigo pris en charge à 90%…) Avantages sociaux : chèques vacances, tarifs préférentiels, 1% logement ALTEN Solidaire : bénévolats auprès d’associations caritatives (Les Restos du Cœur, Emmaüs…) Evènements : soirées annuelles, afterworks, team building, ALTEN Awards … Qualité de vie au travail : activités bien-être

La Digital Factory Magasin conçoit et développe l’ensemble des assets digitaux (back-office, applications web et mobiles) à destination de nos collaborateurs en magasin. Nos équipes intégrées d’experts Technologiques, Design et Product Management sont en perpétuelle recherche de solutions digitales pour améliorer et repenser l’expérience de nos collaborateurs. Intégré(e) dans les équipes DF Magasins Back, le/la consultant(e) aura pour mission de concevoir et de mettre en œuvre des tests automatisés pour garantir la qualité des applications web et mobiles. Il/elle travaillera en étroite collaboration avec les équipes de développement pour identifier les cas de tests pertinents, développer des scripts d'automatisation et exécuter les tests de manière efficace. Vos principales Missions: Concevoir, développer et maintenir des tests automatisés web avec Playwright (TypeScript) et Selenium (Java). Automatiser les tests d’API et fonctionnels avec Karaté DSL en intégrant des scénarios BDD. Rédiger des scénarios en Gherkin à partir des User Stories et exigences métier. Tester et valider des API REST avec des outils comme Postman. Automatiser les tests mobiles avec Appium sur les environnements Android et iOS. Exécuter des tests multi-navigateurs et multi-devices via BrowserStack. Réaliser des tests manuels exploratoires et fonctionnels en complément de l’automatisation. Définir et piloter une stratégie de test alignée avec les enjeux qualité et produit. Gérer les campagnes de test, la traçabilité et le reporting avec Jira XRAY. Mettre en place et maintenir des pipelines CI/CD orientés qualité avec GitLab CI et/ou Jenkins. Gérer le versionning et l’intégration continue via GitLab. Construire et maintenir des jeux de données fiables pour garantir la robustesse des scénarios automatisés. Appliquer les principes d’assurance qualité logicielle (ISTQB) dans une approche pragmatique. Diplômé(e) d’un Bac+5 en informatique Expérience: Plus de 7 ans en Test Automation QA Full Stack Une expérience dans le secteur du commerce de détail ou de la grande distribution serait un plus. Compétences requises: Maîtrise des méthodes agiles, notamment SCRUM Excellente communication écrite et orale : Bonne communication écrite et orale en français pour des interactions fluides avec le métier. Esprit d'analyse et d'amélioration continue : Capacité à évaluer le code et ses impacts, ainsi qu'à remettre en question les solutions existantes pour les améliorer. Capacité de prise de recul : Aptitude à évaluer les problématiques avec objectivité et à proposer des solutions d'amélioration. Capacité à respecter les délais tout en maintenant des standards élevés. Esprit d'équipe : Capacité à collaborer efficacement avec les membres de l'équipe pour atteindre des objectifs communs Vous êtes rigoureux, créatif, curieux et vous aimez travailler en équipe et monter en compétence dans un environnement dynamique. Les métiers du service vous animent et vous souhaitez évoluer dans un environnement convivial, rejoignez-nous !

Rejoignez une équipe d’experts en conception/validation FPGA pour des systèmes critiques chez des leaders mondiaux de l’aérospatial. Nous recherchons des ingénieurs spécialisés capable de développer et de valider des designs FPGA/SOC complexes pour des applications embarquées critiques en garantissant la fiabilité et la conformité aux normes aérospatiales. Vos missions seront les suivantes : Conception FPGA Rédaction/relecture des spécifications techniques Définir l'architecture du design Conception et codage RTL (VHDL/Verilog) en tenant compte des contraintes aérospatiales Rédaction des documents de conception Validation FPGA Rédaction des plans de test Définition de l'architecture des Testsbenchs Codage et automatisation des scénarii de test Rédaction des rapports de vérification et des matrices de traçabilité Collaboration technique Travailler en étroite collaboration avec les équipes hardware et logiciel pour intégrer les solutions FPGA dans des systèmes embarqués complexes Participer aux revues de conception/validation (HRR, HPDR, etc) et contribuer à l’amélioration continue des processus de développement Veille technologique Suivre les évolutions technologiques en matière de FPGA et proposer des solutions innovantes pour répondre aux exigences des systèmes modernes Formation : Diplôme d’ingénieur en électronique, systèmes embarqués ou équivalent (Bac+5) avec une spécialisation en FPGA Expérience : 3 à 10 ans en conception/validation FPGA, idéalement dans le secteur aéronautique ou des systèmes critiques Compétences Techniques : Langages : VHDL/Verilog (FPGA), Python (automatisation de tests) Maîtrise des outils de développement FPGA (Vivado, QuestaSim, Quartus, etc) Connaissance des normes aérospatiales (DO-254/ECSS) Connaissance des méthodologies de vérification type UVM est un plus Expérience en gestion de projets complexes est un plus Compétences Transverses : Rigueur et attention aux détails pour des applications critiques Esprit d’équipe et capacité à collaborer avec des profils variés (hardware, logiciel, validation) Anglais technique pour la documentation et les échanges internationaux Impact direct : Vos conceptions FPGA contribueront à la sécurité et à la performance des avions/satellites de nouvelles générations Collaboration stimulante : Vous échangerez avec des experts et participerez à des projets structurants dans un environnement dynamique