Thermal Systems Engineer
Company: Open Cosmos
Location: Didcot
Posted: 6 hours ago
Employment Type: Full-time
Aim high, go beyond!
At Open Cosmos we are solving the world's biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on...
Overview
The CTO division designs, builds, and operates the satellites, systems, and platforms that make our missions possible. It is a highly collaborative environment where ideas become real hardware, software, and data solutions that deliver impact from space. Our Systems Team brings together Systems, AOCS and Thermal Engineers who turn ambitious mission concepts into reality, ensuring every system fits, works, and thrives in orbit from first sketch to launch day.
What You’ll Be Doing
You'll run the thermal work package for multiple missions, model and analyse spacecraft thermal behaviour, and plan and run thermal tests. You'll work hands-on during AIT, support anomaly resolution, and be part of the team that ensures Open Cosmos missions perform as expected in space. You’ll also collaborate with our other subsystem engineers, feed into our product roadmap, and help us continuously improve how we design and deliver missions.
What You’ll Bring
We're looking for someone who combines technical depth with a collaborative spirit. You should have:
* Strong knowledge of spacecraft thermal control and space thermal environments.
* Proficiency with thermal modelling tools (e.g. ESATAN-TMS, Thermica, Thermal Desktop).
* Proven ability to plan and deliver thermal tests from start to finish.
* Solid understanding of satellite subsystems and confidence working across disciplines.
* Knowledge of mission analysis and overall space system design.
* Clear communication skills - comfortable engaging with colleagues, partners, and customers.
* A proactive, adaptable approach that thrives in a fast-moving, growing company.
For this role you can be based in either Harwell, UK or Barcelona, Spain. To apply, you must have the legal right to work in your chosen location.
Why Open Cosmos?
* 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.
Division: CTO
Department: SYSTEMS
Role: Thermal Systems Engineer
Locations: Harwell, UK
Remote status: Hybrid
Employment type: Full-time
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