ALTEN LTD - UK
Gas Turbine Performance Engineer
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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!
Job Description
As a Gas Turbine Performance Engineer, you will join our engineering team to support our activities within the aerospace propulsion sector.
You will play a key role in the analysis and modelling of gas turbine engine performance, supporting the development, validation, and optimisation of engine systems across a range of operating conditions. Working closely with multidisciplinary teams, you will contribute to performance assessments, engine testing activities, certification evidence, and the continuous improvement of engine efficiency and operability.
Location: Derby
On Site: Hybrid (2-3 days on site)
Clearance: Clearable
Experience Level: Junior to Mid level (2-6 years of experience)
Key Responsibilities:
- Conduct steady-state and transient performance analysis of gas turbine engines
- Develop, execute, and interpret thermodynamic performance models for design, off-design, transient, extreme, and failure conditions
- Prepare and present technical outputs, progress updates, risks, assumptions, and recommendations through internal review processes
- Collaborate with design, manufacturing, test, and customer teams to ensure performance targets are met
- Support cycle design, optimisation studies, engine ratings, and performance assessments
- Analyse engine operability, including compressor stability, bleed schedules, throttle response, relight capability, and turbine overspeed scenarios
- Support engine test prediction, test analysis, model correlation, and production engine performance improvements
- Investigate engine performance issues, deterioration trends, and maintenance-related opportunities
- Generate performance evidence to support certification and pass-off requirements
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Qualifications
Required Skills:
- Experience in gas turbine engine performance analysis and modelling
- Strong understanding of thermodynamics and propulsion system performance
- Proficiency in Python for engineering and data analysis.
- Experience with data validation, analysis, visualisation, and performance reporting
- Knowledge of steady-state engine modelling and power management
- Ability to interpret complex datasets and communicate technical findings effectively
- Strong analytical and problem-solving skills
- Proactive attitude with a willingness to learn and develop new skills
Required Qualifications:
- A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.
- Experience working with gas turbine engines, propulsion systems, or performance modelling
- Understanding of engineering analysis, validation, and performance assessment methodologies
Desirable Skills:
- Experience using NPSS (Numerical Propulsion System Simulation)
- Knowledge of engine deck models and performance simulation tools
- Experience supporting engine testing and model correlation activities
- Familiarity with certification requirements for aerospace propulsion systems
- Understanding of predictive maintenance, deterioration analysis, and engine health monitoring
- Experience working within aerospace OEM, defence, or propulsion engineering environments
Additional Information
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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.
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