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Open Cosmos

Senior Systems Engineer

Open Cosmos

Senior Systems Engineer at Open Cosmos leading technical delivery of complex space missions and shaping engineering best practices across multidisciplinary teams.

Posted 6/14/2026full-timeHarwell • 🇬🇧 United KingdomSeniorWebsite

About the role

Key responsibilities & impact
  • Lead the technical delivery of spacecraft systems from concept and architecture through operations and deorbit
  • Own system-level architecture, coherence, performance, and reliability across mission phases
  • Define, manage, and maintain mission and system requirements with full lifecycle traceability
  • Lead system-level verification and validation planning, execution, and technical resolution activities
  • Perform system analyses, trade studies, and design optimisation to meet mission and operational objectives
  • Develop and improve MBSE methodologies, tools, and systems engineering processes across projects
  • Define robust FMECA and Fault Detection, Isolation and Recovery (FDIR) strategies
  • Ensure appropriate system margins, resilience, and fault tolerance are embedded into mission designs
  • Coordinate multidisciplinary engineering teams to deliver integrated spacecraft solutions
  • Act as the systems interface across engineering, AIT, mission management, operations, suppliers, and external partners
  • Support bids, customer engagements, reviews, and operational decision-making with systems-level expertise
  • Mentor and support junior systems and engineers while promoting engineering best practice across the organisation

Requirements

What you’ll need
  • Strong systems engineering capability across the full lifecycle of space missions and spacecraft development
  • Deep knowledge of spacecraft subsystems including power, OBC, AOCS, communications, propulsion, and thermal/mechanical systems
  • Proficiency with MBSE tools and structured systems engineering methodologies
  • Strong understanding of requirements management, verification and validation, margins management, and mission assurance activities
  • Knowledge of FMECA, FDIR, CONOPS, and resilient spacecraft system design principles
  • Awareness of regulatory and mission constraints including frequency allocation, debris mitigation, export control, and insurance considerations
  • Capability to coordinate multidisciplinary engineering teams and manage technical interfaces across complex programmes

Benefits

Comp & perks
  • Work at the cutting edge of space technology with customers around the globe
  • A mission-driven company making space accessible to help solve real-world challenges
  • A diverse, ambitious, and supportive team

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
systems engineeringspacecraft developmentrequirements managementverification and validationFMECAFDIRtrade studiesdesign optimisationmission assuranceMBSE methodologies
Soft Skills
leadershipmentoringcommunicationteam coordinationproblem-solvingtechnical resolutioncustomer engagementdecision-makinginterpersonal skillsorganizational skills