ALTEN

• act as the central point of contact for all SPDM topics • coordinate collaboration between business units, platform teams and other stakeholders • ensure the right stakeholders are involved in decisions and activities • analyze and optimize processes related to 3DEXPERIENCE (3DX) and SPDM • interpret ARDs and process diagrams and derive functional requirements from them • provide transparency across dependencies, requirements and ongoing activities

• Join our team to support the delivery of complex projects within the nuclear and safety-critical industries. • Focus on the detailed design and specification of Supervisory Control and Data Acquisition (SCADA) systems. • Responsible for transforming high-level safety, functional, and operational requirements into robust engineering designs. • Work closely with systems engineers, safety specialists, and cybersecurity experts. • Maintain end-to-end traceability between system requirements, detailed designs, and vendor deliverables. • Develop high-quality engineering design packages for software and hardware development teams. • Support the development of verification and validation strategies.

• entwickelst und optimierst Testautomatisierungslösungen für Web- und Mobile-Anwendungen • konzipierst und pflegst skalierbare Testframeworks sowie automatisierte Testfälle • definierst Teststrategien und sorgst für eine hohe Softwarequalität • integrierst Tests in CI/CD-Pipelines und verbesserst kontinuierlich Prozesse • arbeitest eng mit Entwicklung, Produktmanagement und Stakeholdern zusammen • coachst Kolleg:innen und etablierst Best Practices der Testautomatisierung

• Join our team in London as a Senior Propulsion Engineer. • Lead the development, analysis, and optimisation of advanced propulsion systems for next‑generation space missions. • Own the architecture, modelling, and performance analysis of chemical and electric propulsion systems. • Guide multidisciplinary teams, review critical designs, and ensure technical coherence across propulsion activities. • Define test plans, support integration, and lead performance verification campaigns. • Oversee external partners delivering propulsion hardware and ensure compliance with requirements. • Provide propulsion expertise for mission analysis, system trades, and operational readiness.

• Defining and maintaining overall mechanical architecture and design strategies. • Translating system requirements into mechanical design solutions. • Managing mechanical interfaces across subsystems and equipment. • Supporting trade studies, concept development, and design reviews. • Ensuring compliance with customer, mission, and industry requirements. • Performing design assessments, risk analysis, and requirement verification activities. • Supporting integration, testing, and qualification activities. • Collaborating with multidisciplinary engineering teams and stakeholders.

• Defining GNC architectures and associated technical roadmaps. • Translating mission and system requirements into GNC design solutions. • Developing navigation, control, and estimation strategies. • Managing interfaces between GNC, avionics, systems, software, and AIT teams. • Supporting system modelling, simulation, and performance analysis activities. • Leading technical trade studies and design decisions. • Contributing to design reviews and technical governance activities. • Supporting integration, verification, validation, and operational readiness activities. • Identifying and mitigating technical risks associated with GNC performance.

• Designing and developing electronic hardware for complex space systems • Capturing and managing hardware requirements and specifications • Producing schematics, design documentation, and technical reports • Supporting PCB design, component selection, and circuit analysis activities • Conducting hardware testing, debugging, and performance validation • Supporting system integration and verification activities • Contributing to technical reviews and engineering trade-off studies • Working with multidisciplinary teams to ensure successful hardware delivery • Supporting qualification and environmental testing campaigns

• Defining and owning the flight software architecture for complex space systems • Translating mission and system requirements into software architecture solutions • Establishing software design principles, standards, and development strategies • Managing interfaces between software, hardware, avionics, GNC, and systems engineering teams • Supporting software requirement definition, decomposition, and traceability activities • Leading architectural trade studies and technical decision-making • Supporting software verification, validation, integration, and qualification activities • Contributing to technical reviews and programme milestones • Identifying and mitigating software-related technical risks

• Leading the development and definition of spacecraft avionics architectures. • Driving technical decisions and providing subject matter expertise across avionics disciplines. • Defining avionics requirements and ensuring alignment with system-level objectives. • Supporting the integration of onboard computing, communications, power management, and data handling systems. • Managing avionics interfaces across multidisciplinary engineering teams. • Leading engineering trade studies, risk assessments, and technical investigations. • Supporting verification, validation, qualification, and acceptance activities. • Contributing to design reviews and customer-facing technical discussions. • Mentoring and supporting junior engineers within the team.

• Define the overall spacecraft architecture, ensuring alignment with mission objectives, constraints, and performance requirements. • Lead the development of system‑level concepts, including functional breakdowns, subsystem interactions, and high‑level design flows. • Own and maintain the technical baseline, ensuring consistency across electrical, mechanical, RF, software, thermal, and payload domains. • Produce and manage system specifications, architectural documentation, and interface definitions. • Drive trade‑off analyses, evaluating design options across performance, reliability, mass, power, and cost. • Support risk identification, mitigation strategies, and architectural decisions that impact mission reliability. • Oversee system‑level verification and validation, ensuring the architecture is fully testable and compliant. • Collaborate with AIT, mission operations, and engineering teams to ensure architectural consistency throughout development and testing. • Provide senior technical leadership, mentoring engineers and influencing long‑term architectural strategy.