Senior Thermal Engineer | Hybrid Defence Tech

Leonardo; Luton; Hybrid; GBP 70,000 - 95,000; Full time

Benefits offered by this job

Hybrid working

Pension scheme

Employee learning resources

Bonus scheme

Referral programme

Private healthcare

Flexible benefits

Career development

Job summary

Leonardo UK in Luton is seeking a Senior Thermal Engineer to lead thermal analysis for cutting-edge EW systems, advising on cooling, materials, and verification across programs. Based at our Luton site with hybrid working, you will influence design choices and ensure products meet stringent environmental and operational requirements.

You will work within multidisciplinary teams, travel to supplier sites as needed, and contribute to documentation, peer reviews, and stage/gate approvals while

Qualifications

• Degree in Mechanical or Aeronautical Engineering with post-graduate thermal engineering experience.
• Proven thermal analysis expertise and track record in challenging environments.
• Familiarity with regulatory standards (Def Stan 00-970, HSE, Pressure Equipment) and safety compliance.

Responsibilities

• Conduct thermal analysis of mechanical designs to assess performance and safety using CFD tools and hand calculations.
• Provide expert guidance on cooling strategies and thermal design improvements.
• Advise on materials and manufacturing techniques with emphasis on thermal performance and integrity.
• Define thermal requirements and verify compliance across Leonardo products.
• Drive innovation in thermal design with new technologies and methodologies.
• Support product development through design, testing, and final certification stages.
• Deliver thermal solutions that meet performance targets on time and within budget.
• Contribute to technical documentation for peer reviews and stage/gate approvals.
• Collaborate across sites and with suppliers and customers including travel.

Skills

Thermal analyses

CFD tools

Environmental testing

Regulatory standards

Materials & manufacturing

Travel readiness

Education

Mechanical or Aeronautical Engineering degree

Post-graduate Thermal engineering experience

Tools

Ansys Icepak

Ansys Fluent

Hand calculations

Job description

Leonardo UK in Luton is seeking a Senior Thermal Engineer to lead thermal analysis for cutting-edge EW systems, advising on cooling, materials, and verification across programs. Based at our Luton site with hybrid working, you will influence design choices and ensure products meet stringent environmental and operational requirements.

You will work within multidisciplinary teams, travel to supplier sites as needed, and contribute to documentation, peer reviews, and stage/gate approvals while