Principal Thermal Engineer

Stevenage, Hertfordshire

Maintenance and Engineering

Contract

GBP 50.0 per hour

Contact

[email protected]

Posted Date

20/01/2026

Job Ref.

BBBH17904

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Our client has an opportunity for a Principal Thermal Engineer to join them on a contract basis for 12 months with potential for extension.
You will play a critical role in ensuring that the products deliver the necessary performance against key thermal requirements.

Role: Principal Thermal Engineer
Location: Stevenage, minimum 3 days onsite however could be full time depending on the project
Hours: 37 per week
Hourly Rate: £50 per hour via Umbrella, inside IR35
Clearance: Full SC required to start

Potential travel to UK sites

What you’ll be doing:

  • Take ownership for delivering packages of thermal analysis work.
  • Provide mechanical analysis support to develop designs and deliver thermal performance evidence.
  • Deliver analysis evidence in clear reports with firm conclusion statements.
  • Participate in team meetings and design reviews.
  • Manage workload against time schedules and report progress regularly to stakeholders.
  • Responsible for dealing and collaborating with project stakeholders (internal & external).

Requirements:

  • Degree qualified in a STEM subject.
  • Proven ability to carry out thermal analysis through the application of hand calculations and Finite Element methods (e.g. ANSYS etc.).
  • Experience in one or more of the following areas:
  • Carrying out studies to determine the effects of conduction, convection and radiation on the thermal response of systems;
  • Thermal analysis of electronics;
  • Application of MATLAB-Simulink to deliver thermal studies;
  • Use of CFD to assess thermal behaviour;
  • Scripting using MATLAB or Python.
  • Ability to make quick/simple assessments to progress design activities in an efficient manner.
  • Self-motivated and organised individuals, who are great problem solvers and can take responsibility for the delivery of work.
  • Ability to work as a part of a multi-disciplinary team, as well as independently.
  • Strong verbal and written communication skills with the ability to network and influence internal and external customers
  • Relevant experience in an equivalent or comparable industry would be advantageous.

If you are interested in applying for this position and you meet the requirements, please apply immediately!

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