Systems Performance Engineer - Stevenage

Technical Engineering
Ref: 9183 Date Posted: Wednesday 08 Oct 2025

Location:               Stevenage

Salary:                   Up to £43,000 P/A + Overtime, Bonus, and benefits

Hours:                   37 hours per week

Do you want to join a business, who value inclusivity, a three-time gold investor in people award winner, an advocate of supporting women in engineering and developing their people to be the best they can be?

We have an exciting opportunity for an experienced Systems Performance Engineer. As a Systems Performance Engineer, you will provide performance prediction and analysis expertise to major defence programmes, developing the latest capabilities for the UK Armed Forces in response to advanced threats in all domains (Air, Land, Sea).

The Systems Performance Engineer can expect assignments across concept, assessment or demonstration phase contracts, covering one of the company’s product lines. System Performance is an essential part of the system design process and a key indicator as to whether the design is suitable.

The role of a System Performance Engineer is to carry out technical studies to assess performance. Product performance studies use models of the system to estimate key performance indicators.

The System Performance Engineer will:

  • Plan and conduct technical studies into product performance, using complex mathematical models, to help the project understand key system design choices
  • Develop a good understanding of how the wider system affects performance and the knock-on impacts of changes to the design
  • Work with SMEs across all disciplines to understand how each of these contribute to system performance
  • Report performance data in a clear and concise way in internal design reviews and external performance statements to customers
  • Use your expertise to help to develop training material for new engineers

Benefits of working here:

  • State of the art technology & innovation
  • External learning and development encouraged
  • Light and airy university type campus.
  • Friendly environment!
    • Restaurant, On site Medical Centre, Parking / Easy Access to train station, Coffee Shops & Onsite Shop, Sports & Social Club and More

Duties include but not limited to.

Skills and Qualifications

What we are looking for:

  • Excellent analytical skills
  • Experience in running and analysing complex computer simulations (e.g. 6 Degrees of Freedom models)
  • Competent with MATLAB        

If you have enthusiasm for any of the following, please apply:

  • Use of mathematical models to assess system behaviour
  • Data analysis using MATLAB and Simulink (or similar)
  • Capturing and presenting technical data in a clear and concise for expert and non-expert audiences
  • Exposure to the physical principles of aerodynamics, propulsion, guidance and control

You will need to obtain UK Security Clearance for this role.  This role is not open to anyone other than a full UK Citizen. Dual nationality is not permitted; some restrictions may apply.

Cirrus Selection offers the services of an Employment Agency for permanent recruitment and the services of an Employment Business for contract recruitment.

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