Principal Systems Engineer

Posted:	25/11/25
Recruiter:	Holt Executive
Reference:	3033758706
Type:	Permanent
Disciplines:	Systems Engineer
Salary:	Competitive
Location:	Oxfordshire
Description:	We are seeking an exceptional Principal Systems Engineer to join a pioneering team developing next-generation in-space systems. This is an exciting opportunity to contribute to complex space missions, including full spacecraft lifecycle development from concept through prototyping, detailed design, integration, testing, launch, and operations. About the Role As Principal Systems Engineer, you will provide expert insight, practical problem-solving, and technical leadership across multiple flight development programmes. You will work closely with colleagues and partners across Europe to establish robust system architectures, define clear requirements, and enable innovative satellite servicing missions. You will draw on your breadth of experience developing complex systems within budget and on schedule, bringing passion for space systems engineering, whether across large or small space missions, or other technically challenging projects. Key Responsibilities Define system architecture for spacecraft, interfacing with all subsystem leads, external partners, and key suppliers Perform analysis and modelling of spacecraft systems Manage development schedules, system requirements, and design budgets Guide systems engineering processes and facilitate technical trades across disciplines Control and trade-off platform systems budgets (mass, power, data, fuel) Perform top-level mission analysis and support the development of internal tools Produce mission-level test and verification plans, FMECA, and FDIR Coordinate rapid feasibility studies into different scenarios and architectures Maintain configuration control of systems work and documentation Support proposal writing from a systems engineering perspective Qualifications & Experience 9+ years of systems engineering experience across the full spacecraft lifecycle Proven leadership and collaboration with space systems engineering teams Experience generating verification and validation plans and executing qualification campaigns Deep knowledge in one or more of the following: Spacecraft systems & avionics Sensors and optical systems Flight software development Orbital mechanics Structures and mechanisms Propulsion systems and fluid components Spacecraft operations Desirable Skills Experience in startup or high-growth environments Experience on European-wide missions with multinational consortiums Understanding of the spacecraft supply chain Experience with both low and high budget space system development Benefits Stock options Private healthcare (for you and your family) Bespoke learning & development fund Hybrid & flexible working & much more! TT
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Principal Systems Engineer

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