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full-timeSenior Optical Engineer
Foundational · London
Senior Optical Engineer This is a future role. We're building a shortlist now and will contact you when it opens. About us Foundational is building the most precise picture of Earth and orbit, using lasers fired from the ground. We call it ground truth for orbit. We design and run low-cost, autonomous satellite laser ranging stations. They measure the distance to satellites with extreme precision, day and night. Our data platform turns those measurements into tracking data and orbit products for satellite operators, space agencies and governments. We also build our own flight-proven laser retroreflector arrays, so any satellite can be tracked. Our station network is expanding across Europe, South America, Africa and Australia. The data supports resilient navigation, Earth observation and the safe, sustainable use of space. We're a small, fast-moving team of engineers, scientists and operators in London. We're backed by venture investors and supported by ESA, the UK Space Agency, Innovate UK and the European Innovation Council. Position Overview London · Full time · On-site You'll own optical design across our laser ranging stations, optical tracking systems and retroreflector products. This is a hands-on senior role. You'll set the architecture, run the analysis and be in the lab when it's built. What you'll do Lead optical design for transmit and receive paths, from requirements and tolerancing through to verified hardware Design and test optics for tracking satellites in daylight and at night Support the design and test of retroreflector arrays for LEO and MEO missions Run trade studies with suppliers on telescopes, windows, coatings and filters Mentor graduate and junior engineers, and set our standards for optical design and test Write technical content for ESA and customer programmes What you'll bring Extensive experience in optical engineering, ideally on astronomical, laser, defence or space instruments Strong skills in optical design software (Zemax OpticStudio, CODE V or similar) and in tolerance analysis Hands-on alignment, metrology and test experience (interferometry, wavefront sensing, radiometry) A working knowledge of high-power laser optics: coatings, contamination and damage thresholds Clear technical writing for design reviews and bids Nice to have Experience with satellite laser ranging, lidar, free-space optical comms or adaptive optics Stray light analysis Observatory or telescope experience ECSS or ESA project experience What We Offer A high-impact role with real ownership at an early-stage, venture-backed spacetech company EMI share options (UK employees) 25 Days Annual Leave + Bank Holidays Enhanced Parental Leave Cycle to work schemes Work alongside engineers and scientists across optics, lasers, software and astrodynamics Offices in central London, with snacks, tea, coffee and regular socials We actively champion underrepresented groups and seek to bridge gaps in our workforce. If you're excited by the role but don't match every point, or you’re seeking a part time role, please apply anyway and add a note into your application. Building the best team is our priority. Find more English Speaking Jobs in United Kingdom on Arbeitnow
| Role | Senior Optical Engineer |
|---|---|
| Company | Foundational |
| Location | London |
| Compensation | Not disclosed |
| Deadline | Rolling |
Typical process for this type of role
A general guide — the exact steps for this specific listing may vary; check the original posting for details.
- 1ApplicationSubmit your resume through the apply link.
- 2ScreeningRecruiter reviews your background against the role.
- 3AssessmentA technical test, assignment, or coding round, depending on the role.
- 4Interview(s)One or more rounds with the hiring team.
- 5OfferOffer letter with compensation and start date.
Before you apply
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