Performance Engineer

Job DescriptionAn exciting opportunity for Performance Engineer has arisen to influence and shape the future of the Defence business in India. The roles involve working with business and external stakeholders to support the delivery of key programme milestones thus enabling the delivery of our Defence Combat strategy.In this role, you will be involved in Gas Turbine Performance, in charge of delivering the thrust or shaft power for a given fuel flow whilst ensuring stable and safe operation throughout the operational envelope. Performance Engineers are responsible within Engineering for the design, prediction and understanding of the steady state and transient behaviour of our products and systems in support of our engine fleet, new products and future programmes.Why Rolls-Royce?At Rolls-Royce, we pioneer the power that matters to our customers, to society and to the planet. We're a leading global player in the defence aero engine market. From combat to transport, trainers to helicopters, we provide 16,000 military engines and pioneering service solutions to 160 customers in 103 countries. To ensure we continue to be pioneers of our industry, Rolls-Royce has a team of over 16,500 engineers around the globe. They include everyone from world experts in their field to those who manage hundreds of people and millions of pounds worth of investments.Future Programmes UK and International is at the heart of securing the future growth of the Defence business.  We are delivering tomorrows technology fast, by bringing together the company's best engineers, programme managers and business professionals. Working in partnership with Governments, primes, and new technology companies across the globe, we deliver future solutions to meet the customers emerging requirements.Work with us and we'll welcome you into an inclusive culture, one that invests in your continuous learning and development, and gives you access to a wide breadth and depth of experience.What you will be doing: Engine performance prediction utilising modelling skills to define/optimize propulsion systems.Act as whole engine integrators of propulsion system functional design, this is achieved by:Gathering sub-system predictions of component behaviour for integration into system level predictions.Negotiating sub-system performance levels to achieve optimum propulsion system level requirements.Develop and maintain a functional understanding of the propulsion system e.g. compressor stability, combustion stability, control system requirements & behaviour.Understand the root cause of problems and to work with stakeholders to formulate and incorporate solutions in line with corporate guidelines.Engine performance verification including engine test analysis and support.Demonstrate an ability to continuously improve understanding and practices and share within the business.Who we are looking for: Bachelor's or Master's in Mechanical or Aeronautical Engineering. Other qualifications, in combination with relevant experience, may also be considered.Strong technical knowledge in gas turbine performance and thermodynamic methodologiesUnderstanding of cross-discipline engineering concepts which include but are not limited to system design, aerothermal, thermo-fluids, controls and aircraft performance.Knowledge of C++, NPSS, Matlab and Python would be beneficial.Highly numerate with strong technical and analytical skills, problem-solving ability and capable of systems level thinking.Excellent communication and inter-personal skills, and will need to be able to contribute effectively in a team environment.Join us & help Rolls-Royce to become a high-performing, competitive, resilient business.The professional level and salary of the position will be dependent on the skills and experience of the successful candidate.We are an equal opportunities employer. We're committed to developing a diverse workforce and an inclusive working environment. We believe that people from different backgrounds and cultures give us different perspectives. And the more perspectives we have, the more successful we'll be. By building a culture of respect and appreciation, we give everyone who works here the opportunity to realise their full potential.We offer excellent development, a competitive salary, and exceptional benefits. These include bonus, employee support assistance and employee discounts.Your needs are as unique as you are. We encourage flexible working arrangements and support hybrid working wherever possible, so you can always be at your best - wherever and whenever you work.You can learn more about our global Inclusion strategy at As part of our selection process, candidates in certain locations may be asked to complete an online assessment, which can include cognitive and behavioural aptitude testing relevant to the role. If required, full instructions for the next steps will be provided.Job CategoryMechanical SystemsPosting Date28 Nov 2025; 00:11