Senior Thermal Engineer

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.

The Senior Thermal Engineer will lead thermal design and analysis activities for spacecraft subsystems and components within Capgemini Engineering’s space services division.

• Lead thermal design and analysis activities for spacecraft subsystems and components.
• Develop and validate thermal models using ESATAN‑TMS.
• Define thermal control strategies including passive and active systems (e.g., MLI, heat pipes, radiators, heaters).
• Support thermal testing activities from component‑level through full spacecraft assembly.
• Support thermal environmental qualification testing (TVAC), including test planning and data review.
• Support proposal development and technical reviews (PDR, CDR, TRR).
• Ensure compliance with mission requirements, standards, and customer specifications.
• Collaborate with cross‑functional teams, including avionics, mechanical, propulsion, and systems engineering teams to ensure seamless integration.
• Manage and provide mentorship to junior engineers and foster technical excellence across the team.

• Bachelor’s or Master’s degree in Aerospace Engineering, Mechanical or Thermal Engineering, or related field.
• Experience in thermal engineering within the space industry.
• Proficiency in thermal analysis software and CAD tools, especially ESATAN‑TMS.
• Strong understanding of space thermal environments and heat transfer mechanisms.
• Experience with thermal testing and instrumentation.
• Knowledge of thermal coatings and materials for space applications.
• Experience with flight hardware development and qualification.
• Excellent problem‑solving, communication, and documentation skills.
• Ability to work independently and in a team‑oriented environment.

• Experience with common space standards (ECSS, MIL, etc.) and associated tailoring.

• Open access to digital learning platforms.
• Active employee networks promoting diversity, equity and inclusion like Out Front, Cap Ability, or Women@Capgemini.
• Professional communities to connect with and support career growth.

Capgemini is proud to be a Disability Confident Employer (Level
2) under the UK Government’s Disability Confident Scheme. We will offer an interview to all candidates who declare a disability and meet the minimum essential criteria for the role.

• All roles will require a level of security clearance: BPSS, Security Clearance, or Developed Vetting.
• Location:
  
  London, England, United Kingdom.