FlexaFlexa
  • Discover companies
  • Find a job
  • Resources
Sign inSign up

Quick links

  • Sign in
  • Sign up
  • Book a demo
  • Live feed

For employers

  • How Flexa can help
  • Case studies
  • Talent Insights Report 2026

For users

  • Discover companies
  • Find a job
  • Resources
  • The Flexa Awards

Flexa info

  • About us
  • Contact us
  • FAQs
  • Legal
FlexaFlexa

© 2026 Flexa, All rights reserved.

  • Privacy policy
  • Terms
Discover companies
Find a job
Resources
View company profileApply now

Working at MBDA

  • Company employees
    7000
  • Gender diversity (m:f)
    74:26

Hiring in

  • Spain
  • United Kingdom

Office locations

Take the next step in your career as a Lead Thermal Engineer at MBDA, a leading defence organisation. Based in Stevenage or Bristol, this full-time role offers a hybrid working arrangement with 2-3 days onsite per week. The position offers a competitive salary of circa £55,000 alongside excellent benefits and the opportunity to work on pivotal UK and multinational defence projects.

Requirements

  • Ideally degree qualified in a relevant subject or demonstrable equivalent experience.
  • Good problem-solving skills with fundamental knowledge of heat transfer analysis using computational methods and manual calculations.
  • Experience applying CAE tools (e.g., ANSYS, MATLAB, Python) in a regulated design/manufacturing industry.
  • Strong organizational and interpersonal skills.
  • Desirable: Post-graduate qualification, project delivery experience, technical leadership experience, extreme temperature environment knowledge, and physical testing experience.
  • Must be a British Citizen or Dual UK national eligible for BPSS security clearance.

Skills & Responsibilities

  • CAE tools and heat transfer analysis: Investigate heat transfer problems in mechanical and/or electronic systems using tools like ANSYS, MATLAB, and Python.
  • Problem solving and calculations: Apply sound fundamental knowledge of heat transfer analysis through computational methods and manual calculations.
  • Technical leadership and project delivery: Drive technically challenging activities and deliver projects on time, quality, and cost.
  • Potential transition routes: People from senior mechanical engineering or aerospace engineering roles may bring strong thermal analysis and CAE skills, alongside meeting mandatory security clearance and background requirements.

Job description

Are you looking to broaden your experience or take the next step in your career? Do you have the drive and ability to deliver your expertise across multiple, technically challenging activities? The creativity and personality to work with others to derive solutions to thermal problems in cutting-edge technology?

Salary: Circa £55,000 depending on experience

Dynamic (hybrid) working: 2-3 days onsite at Stevenage or Bristol offices on-site due to workload classification.

Security Clearance: British Citizen or a Dual UK national with British citizenship. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team.

What we can offer you:

  • Company bonus: Up to £2,500 (based on company performance and will vary year to year)

  • Pension: maximum total (employer and employee) contribution of up to 14%

  • Overtime: opportunity for paid overtime

  • Flexi Leave: Up to 15 additional days

  • Flexible working: We welcome applicants who are looking for flexible working arrangements

  • Enhanced parental leave: offers up to 26 weeks for maternity, adoption and shared parental leave -enhancements are available for paternity leave, neonatal leave and fertility testing and treatments

  • Facilities: Fantastic site facilities including subsidised meals, free car parking and much more…

  • Healthcare Cash Plan: The Healthcare Cash Plan benefit provides the option to claim cash back on everyday healthcare expenses such as optical, dental, health and wellbeing and more*.*

The opportunity:

At MBDA, there is the opportunity for you to work on and lead a variety of projects that will stretch your skills and imagination as a Lead Thermal Engineer. We are a highly motivated team with a strong desire to improve our effectiveness and influence within MBDA.

You will work in a supportive environment where people feel valued and are encouraged to achieve their full potential. You will have the opportunity to work on UK and multinational projects that are pivotal to the future success of MBDA and the security of the UK. Attendance onsite will be required, but our Dynamic Working Agreements also allow high levels of flexibility and a balance of office and remote working. This may be at home or in our Stevenage or Bristol offices.

Apply now
MBDA

Lead Thermal Engineer

Bristol, Stevenage
Hybrid
Circa £55,000
What we’re looking for from you:

Essential:

  • Ideally degree qualified in a subject relevant to the role or demonstrable equivalent experience.

  • Good problem solving skills coupled with a sound fundamental knowledge of heat transfer analysis using computational methods and manual calculations.

  • Experience applying CAE tools (e.g. ANSYS, MATLAB, Python) in a regulated design/manufacturing industry to investigate heat transfer problems in mechanical and/or electronic systems.

  • Motivated individual who has strong organisational and interpersonal skills.

Desirable:

  • Post graduate qualification in a subject relevant to the role.

  • Demonstrable experience of delivering projects on time, quality and cost.

  • Experienced in technical leadership of small or large teams of engineers.

  • Knowledge and experience of methods for managing the thermal performance of mechanical and electronic systems in extreme high and low temperature environments.

  • Experience in physical testing of components and assemblies to validate thermal analyses.

Our company: Peace is not a given, Freedom is not a given, Sovereignty is not a given

MBDA is a leading defence organisation. We are proud of the role we play in supporting the Armed Forces who protect our nations. We partner with governments to work together towards a common goal, defending our freedom.

We are proud of our employee-led networks, examples include: Gender Equality, Pride, Menopause Matters, Parents and Carers, Armed Forces, Ethnic Diversity, Neurodiversity, Disability and more…

We recognise that everyone is unique, and we encourage you to speak to us should you require any advice, support or adjustments throughout our recruitment process.

Follow us on LinkedIn (MBDA), X (@MBDA_UK), Instagram (MBDA_UK) and Glassdoor or visit our MBDA Careers website for more information.

Similar jobs

MBDA

Lead Thermal Engineer

Bristol and Stevenage
Circa £55,000+ dependent on experience
MBDA

Mechanical Architect

Bolton and Stevenage
Circa £55,000 per year + up to £2,500 bonus
MBDA

Principal Mechanical Design Engineer

Stevenage
Circa £50,000+ depending on experience
MBDA

Environmental Trials and Analysis Engineer

Stevenage
Up to £55,000 (depending on experience)
BAE Systems

Senior Mechanical Engineer (Diesel Engines)

Portsmouth
Up to £50,000 (dependent on skills and experience)
Airbus

Engineer - Aero Thermal

Bangalore