Job Description

London


Senior Thermal Engineer



At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world's most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.

Your role

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. Responsible for maintaining documentation, including design specifications, test plans, performance reports and ICDs.

Your Profile

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.

Desired Skills:

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



If you're excited about this role but don't meet every requirement, we still encourage you toapply, your unique experience could be just what we need.

What you'll love about working here

Open access to digital learning platforms Active employee networks promoting diversity, equity and inclusion like OutFront, CapAbility or Women@Capgemini Professional communities to connect with and supportcareer growth

Capgemini is proud to be a

Disability Confident Employer (Level 2)

under the UK Government's Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:


Declare they have a disability, and Meet the minimum essential criteria for the role. Please opt in during the application process.

Need to know

All roles will require a level of security clearance; BPSS OR Security Clearance OR Developed Vetting. You can bring your whole self to work. At Capgemini building an inclusive future is partof everyday life and will be part of your working reality. We have built a representativeand welcoming environment, for everyone. Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.


Ref. code
363553-en_GB
Posted on
18 Nov 2025
Experience level
Experienced Professionals
Contract type
Permanent
Location
London
Business unit
Engineering and RandD Services
Brand
Capgemini Engineering
Professional communities
Products & Systems Engineering