Principal Thermal Engineer

Company: Advantage Resourcing UK Ltd
Apply for the Principal Thermal Engineer
Location: Stevenage
Job Description:

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Thermal Engineer Subcontractor on an initial 12 month contract.

Hourly Rate: £50.00Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’Location: StevenageHybrid / Remote working: The role will likely be onsite 3 days per week.Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.IR35 status: Inside IR35 (Umbrella)Interview process: One stage onsite interview

Principal Thermal Engineer Job Description

The Mechanical Analysis Group are looking for a Principal Thermal Engineer to join its team in Stevenage. The group consists of over 30 engineers working across a wide spectrum of cutting-edge military systems. Working for an internationally recognised company, you will play a critical role in ensuring that products deliver the necessary performance against key thermal requirements.

Responsibilities

  • 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).

Skillset / Experience required

  • 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.

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Posted: April 28th, 2026