Principal Test Systems Engineer

Leonardo has an exciting vacancy for a Principal Test Systems Engineer, based at our dedicated Test Facility in Southampton.

We are looking for an experienced Test Engineer to act as point of contact for Project Teams and coordinate the work for a multi-disciplined team of Test Engineers.

As Principal Test Systems Engineer you will be responsible for the specification, design, procurement, manufacture, verification and evaluation of test equipment and procedures. Supporting projects with documentation and delivery to agreed budget and timescales.

Typical test equipment will include optical, thermal and electronic components as well as test software. Although not expected to be an expert in all these areas the role will require hands on activity, therefore a wide knowledge and proven experience is desired to bring all these aspects together to provide a reliable test system. To support the design, development and through–life support of electro–optical test equipment and test processes for the company’s range of Infrared Detectors, from initial product development through to volume production.

• Take ownership and deliver work packages to time and budget. Tracking costs and task progress.
• Identify the needs to deliver the proposed test system(s) for the detector or module development.
• Generate work packages and estimate the cost to deliver those needs.
• Develop, procure, install and commission new test capability for testing the performance of our new development product types.
• Prove by testing the new test systems and reporting how they meet the requirements.
• Authoring and presenting where necessary governance and technical documentation, for example those needed for Declaration of Design and Performance.
• Act as Test Lead at Integrated Product Team meetings.

• HNC/HND or higher or equivalent experience in a relevant discipline, e.g. Physics, Engineering.
• Ability to verify and validate electro–mechanical test systems, fault finding and problem solving.
• Ability to assimilate and apply technical information to design tasks.
• Demonstrate evidence of good organisation, planning and execution of work.
• Ability to work closely in a team with other engineering and science disciplines.
• Good Communication and customer liaison skills.
• Careful Measurement and analytical skillset.
• Experience of the following areas:
  Electrical test, Electro–optics, thermal cryogenics, mechanical assembly.
• Practical ‘hands on’ laboratory test, diagnostic and measurement experience, including electro–optical and optical communication instrumentation.

This role is subject to pre‑employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personnel Security Controls referred to as National Security Vetting (NSV) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). For more information and guidance please visit

• Time to Recharge: Enjoy generous leave with the opportunity to accrue up to 12 additional flexi‑days each year.
• Secure your Future: Benefit from our award‑winning pension scheme with up to 15% employer contribution.
• Your Wellbeing Matters: Free access to mental health support, financial advice, and employee‑led networks championing inclusion and diversity (Enable, Pride, Equalise, Armed Forces, Carers, Wellbeing and Ethnicity).
• Rewarding Performance: All employees at management level and below are eligible for our bonus scheme.
• Never Stop Learning: Free access to 4,000+ online courses via Coursera and Linked In Learning.
• Refer a friend: Receive a financial reward through our referral programme.
• Tailored Perks: Spend up to £500 annually on flexible benefits including private healthcare, dental, family cover, tech & lifestyle discounts, gym memberships and more.
• Flexible working: Flexible hours with hybrid working options. For part time opportunities, please talk to us about what might be possible for this role.