Skip to main content

Principal Thermal Engineer in Stevenage

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Job Description

Principal Thermal Engineer

12 month contract

Based in Stevenage

Offering £50ph Inside IR35


Do you have experience carrying out thermal analysis of electronics?

Do you have experience with MATLAB/Simulink?

Do you want to work with an industry-leading company?


If your answer to these is yes, then this could be the role for you!

As the Principal Thermal Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry.


You will be involved in:

  • Take ownership of 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)


Your skillset may include:

  • Proven ability to carry out thermal analysis through the application of hand calculations and Finite Element methods (e.g. ANSYS)
  • Experience 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


If this all sounds like something you will be interested in then simply apply and we can discuss the opportunity further!

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.

Principal Thermal Engineer in Stevenage

Stevenage, UK
Full time

Published on 12/11/2025

Share this job now