Senior Systems Engineer

Senior Systems Engineer Guildford Permanent | Full-Time £65,000 - £80,000 An exciting opportunity has arisen for an experienced Senior Systems Engineer to join a growing Systems team, leading complex space missions from LEO to GEO and beyond. This role offers full cradle-to-grave mission involvement, from concept and bid support through AIT, launch, commissioning, and operations - providing the chance to see your work delivered to space on a rapid timescale. The role requires full on-site working initially. Once established, there may be the opportunity to work from home 1-2 days per week, subject to business and project needs. Key Responsibilities Lead system engineering activities across all project phases, from requirements through operations Perform system-level design of space and ground segments, including mission analysis and trade-offs Support bid and tender activities, working closely with Sales and Engineering teams Manage requirements, interfaces, verification, validation, and test planning Lead or support technical studies, cost/risk/schedule trades, and reviews Act as a technical focal point for assigned mission products Interface with customers and internal stakeholders at all project stages Mentor junior engineers and review technical work Manage subcontractors, work packages, and system-level documentation Required Experience Experienced spacecraft Systems Engineer (ideally 7+ years' experience) Proven cradle-to-grave mission design experience Strong background in requirements and verification management Experience designing space and ground segments to subsystem level Desirable: Spacecraft-level verification testing In-orbit commissioning and spacecraft operations experience Skills & Qualifications Degree in Engineering, Physics, or Mathematics (or equivalent) Strong knowledge of orbit analysis, RF links, system budgets, ground segment, and space environments Experience with STK, MATLAB, MS Office, and planning tools Knowledge of FMECA and FDIR Hands-on experience with environmental testing and AIT methods Excellent technical writing, presentation, and stakeholder communication skills Proactive, adaptable, and able to deliver under pressure