ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

As a Performance Modelling Engineer, you will join our team in Derby to support our activities within the Aerospace sector.

You will be working on advanced gas turbine engine programmes, focusing on the performance modelling and simulation of propulsion systems under both steady-state and transient conditions. This role sits within a highly specialised engineering environment, contributing to the development and optimisation of next-generation aero engines.

• Location: Derby 
• On Site: 2-3 days per week
• Clearance: Eligibility for UK Security Clearance required
• Experience Level: Junior

Key Responsibilities:

• Develop and run performance models of gas turbine engines using MATLAB/Simulink
• Analyse engine behaviour under steady-state and transient operating conditions
• Support cycle analysis, performance prediction, and engine optimisation activities
• Work closely with systems, controls, and thermal engineers to integrate models
• Validate models against test data and support performance investigations

Required Skills:

• Strong experience with MATLAB/Simulink for modelling and simulation
• Background in gas turbine performance or propulsion systems engineering
• Experience in steady-state and transient engine modelling
• Solid understanding of thermodynamics and gas turbine cycle analysis
• Experience working on complex aerospace or safety-critical systems

Required Qualifications:

• A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.
• Postgraduate study or specialisation in propulsion, gas turbines, or thermal power system
• Academic or industry experience focused on engine performance, cycle modelling, or propulsion analysis

Desirable Skills:

• Experience with gas turbine performance tools (e.g. NPSS or similar)
• Previous work on aero engine development programmes
• Understanding of engine control interaction during transient events (e.g. acceleration, deceleration)
• Exposure to model validation using engine test data

Why join us? 

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

In short you get: 

• A personalised career path and a rewarding management style 
• A huge diversity of engineering projects and industries
• Private Medical Insurance
• Cycle & Tech Scheme 
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere, regular gatherings & team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. 

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. 

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.