Performance Engineer

**Job Description** ------------------- **Why Rolls‑Royce?** At Rolls‑Royce we are proud to be a business that has truly helped to shape the modern world and are committed to always being a force for progress; powering, protecting and connecting people everywhere. By joining Rolls‑Royce, you'll have the opportunity to work on world-class solutions, supported by a culture that believes individuality is our greatest strength, and all perspectives, experiences and backgrounds help us innovate and enable our high-performance culture. **What you will be doing:** In this role, you will get the chance to: * Perform whole engine performance predictions and analysis using computer simulations to satisfy system requirements, with expertise in both steady-state and transient performance. * Demonstrate expert understanding of engine-level issues related to system design, performance, operability, and engine operation. * Apply process and technical knowledge to ensure engineering solutions meet customer and certification requirements and comply with engineering processes. * Lead performance testing, publish technical reports, and deliver technical presentations of engineering analysis and results. * Contribute to engine certification processes, including defining plans to fulfill requirements for engine performance. * Influence internal and external stakeholders to develop effective solutions. * Define and implement best practices in performance across the organisation. * Collaborate effectively with cross-functional teams and demonstrate a strong understanding of related disciplines to ensure integrated and optimized system solutions. * Solve complex and unique performance challenges to drive product improvement. **Who we are looking for:** * Bachelor's degree or Master's in either Aerospace, Mechanical Engineering, Engineering Science or equivalent field of experience. * Experience in jet engine or gas turbine performance would be appreciated. * First Experience with NPSS, Gasturb or GTLab or equivalent design tools would be appreciated. * Working knowledge of one or more programming languages (Matlab, Python, SQL) and Microsoft Office Package. * Strong analytical and stakeholder management skills. * Understanding of cross-discipline engineering concepts which include but are not limited to, aerodynamics and thermodynamics. * Experience working within regulated engineering environments. * Ability to apply logical, analytical and innovative thinking on a range of technical problems. * Ability to work effectively across multidisciplinary teams. * Good English written and spoken. Knowledge of German is an asset.   **As part of your application please include a cover letter and any supporting qualifications (under Resume / Cover Letter Section).** Application closing date: 08.09.2026 **Job Category** ---------------- Mechanical Systems **Posting Date** ---------------- 25 aug. 2026; 00:08