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System Engineer – Spacecraft Mission Support
Location: London On-Site Attendance: 1–2x per month Clearance: Clearable Experience Level: Mid Level Contract: Permanent
About the Role
Join ALTEN, a global engineering consultancy, as a System Engineer to support a major spacecraft mission within the space sector. You will play a central role in defining, coordinating, and validating system-level behaviour across multiple subsystems, ensuring the spacecraft meets its mission requirements with reliability and precision.
You’ll lead system engineering activities, collaborating with multidisciplinary teams to deliver mission-critical solutions that drive innovation in aerospace technology.
Responsibilities
Key responsibilities include:
- Lead system-level requirements definition, flow-down, and traceability across all spacecraft subsystems.
- Develop and maintain the system architecture, ensuring coherent interfaces between electrical, mechanical, RF, software, and payload domains.
- Produce and manage Interface Control Documents (ICDs), system specifications, and verification plans.
- Coordinate technical activities across multidisciplinary teams, aligning with mission-level objectives.
- Support trade-off analyses, design reviews, and system-level decision-making throughout the development lifecycle.
- Lead system-level verification and validation, including:
- Functional testing
- Performance assessment
- Compliance checks
- Analyse subsystem interactions, identify key risks, and drive mitigation strategies to ensure spacecraft reliability.
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Qualifications & Experience
Required Skills
- Mandatory space industry experience (direct involvement in spacecraft, satellite systems, or mission-critical space hardware).
- Strong understanding of system engineering processes for complex aerospace platforms.
- Experience in defining and managing system-level requirements and interfaces.
- Ability to interpret subsystem documentation (electrical, mechanical, RF, software, payload domains).
- Expertise in verification and validation activities at system level.
- Skilled in producing system documentation, including:
- ICDs (Interface Control Documents)
- System specifications
- Verification matrices
- Strong analytical skills for:
- Trade studies
- Risk analysis
- System-level problem-solving
- Experience coordinating across multidisciplinary engineering teams.
Required Qualifications
- A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.
Desirable Skills
- Knowledge of ECSS (European Cooperation for Space Standardisation) or similar standards.
- Experience with model-based systems engineering (MBSE) tools/methodologies.
- Familiarity with spacecraft Assembly, Integration, and Testing (AIT) workflows.
- Understanding of:
- Mission analysis
- Spacecraft operations concepts
- Spacecraft behaviour
- Exposure to configuration control, change management, and system baselining.
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Why Join ALTEN?
ALTEN empowers engineers to innovate on today’s cutting-edge projects, delivering solutions for global leaders across aerospace, defence, energy, and technology. As part of our team, you’ll enjoy:
Career & Development
- Personalised career path with supportive management.
- Access to diverse engineering projects and industries.
- Continuous learning and mentoring opportunities.
Work-Life Balance & Benefits
- Private Medical Insurance
- Cycle & Tech Scheme incentives
- Employee Assistance Programme
- Life Insurance & Pension Scheme
Culture & Inclusion
- Collaborative, social atmosphere with regular team events.
- Flexible working conditions (role-dependent).
- Commitment to the Armed Forces Covenant—we actively support veterans, reservists, and military families.
- A diverse and inclusive workplace, valuing different backgrounds and perspectives.
Note: This role may require Security Clearance ( Bourgogne baseline check). Further details will be provided during the interview process.
Eager to contribute to shaping the future of spacecraft engineering? Apply today!
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