Systems Engineer Guildford Permanent | Full-Time £45,000 - £55,000 An exciting opportunity has arisen for an experienced Systems Engineer to join a dynamic space systems team, contributing to missions from LEO to GEO and beyond. You will be involved across the full mission lifecycle - from concept and design through AIT, launch, commissioning, and operational life - giving you 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 or support system engineering activities across all project phases, from requirements to operations Perform system-level design of space and ground segments, including mission analysis and design trade-offs Develop concepts of operations and support customer-facing presentations Support bid and tender activities, working closely with Sales and Engineering teams Lead or support technical studies, ensuring delivery to cost, schedule, and technical requirements Prepare high-quality project documentation and reports Required Experience Proven experience as a spacecraft Systems Engineer Experience acting as a technical lead on space mission projects Experience designing missions from end-user requirements (cradle-to-grave) Experience designing and analysing space and ground segments to subsystem level Knowledge of requirements and verification management Desirable: Spacecraft-level testing or commissioning experience Skills & Qualifications Degree in Engineering, Physics, or Mathematics (or equivalent) Strong technical writing and presentation skills Knowledge of orbit analysis, RF links, system budgets, ground segments, operations, and satellite architectures Experience with STK, MATLAB, and standard MS Office tools Familiarity with FMECA, FDIR, and space flight assembly and test methods Able to work under pressure and to tight deadlines