Job DescriptionJob Title: Performance Specialist EngineerWorking Pattern: Full timeWorking location: Indianapolis, IN./Hybrid (3 days onsite on avg.)Relocation assistance is provided as needed for this opportunity.Global Grade/Level: Level CWhy 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 create world-class power and propulsion solutions, pushing your problem-solving and ingenuity, to deliver real impact that puts safety first.You’ll be given responsibility and the opportunity to grow in our high-performance culture. This is Infinite Potential. And it’s your chance to really shine and contribute to one of the world’s most recognized brands and a beacon for engineering excellence.Position SummaryAs a Performance Specialist Engineer with Rolls-Royce, you will play a key role within cross-functional product teams engineering and designing innovative power and propulsion systems. This role will also require supporting customer engagements as it pertains to cycle and system level performance optimization.What you will be doingPerforming power and propulsion cycle analyses and performance predictions by utilizing computer simulations and engineering methods to satisfy an overall set of system requirements while taking into account steady state and transient performance considerationsExercising Numerical Propulsion System Simulation (NPSS) models and training others with utilizing Thermodynamics principles, Test Analyses, and Whole Engine SensitivitiesUnderstanding system level issues related to power and propulsion system designs, performance, operability and operationCreating innovative solutions to systems related to power conversion, aircraft propulsion system, and novel engineering challengesInfluencing thermodynamic system cycles for optimization of an application using robust engineering techniquesSupporting propulsion systems performance testing, publishing technical reports, and presentation of technical engineering analysis and resultsPresenting power and propulsion systems performance conclusions to customers and stakeholders, both internal and external to Rolls-RoyceBasic Requirements:Bachelor`s degree in Engineering, with 7+ years of experience in thermodynamics, gas dynamics, fluid mechanics and/or engine design; OR,A Master`s degree in Engineering, Physics or Mathematics with 5+ years of experience in thermodynamics, gas dynamics, fluid mechanics and/or engine design; OR,A PhD in Engineering, Physics or Mathematics with experience in thermodynamics, gas dynamics, fluid mechanics and/or engine designThis position requires access to highly sensitive Rolls-Royce North American technical information; you must be eligible to obtain and maintain security clearance, which requires USA CitizenshipPreferred Requirements:Strong technical knowledge in design methodologies with an understanding of multi-discipline engineering concepts such as manufacturing engineering, aerodynamics, thermodynamics, thermal and mechanical analysis so as to meet manufacturer or government objectives of current and future technologiesAbility to discern and adapt to the varying levels of fidelity required throughout the various stages of projectsObject oriented experience simulating/modelling gas turbine cycles, hybrid electric systems, cycle analysis, engine operability, sizing and/or preliminary design analysis. NPSS Experience in thermodynamic cycle modelling and proficiency in computer programming languagesAuthoritative knowledge of visualization techniques of statistical software tools.Knowledge of robust design techniques and principlesA minimum collateral secret clearance or above is highly desiredOur vision is to ensure that the quality and dynamism that shaped our history continues into our future. It’s a bold pursuit, and we never stop striving to go further, faster, and better. We lead progress, creating the technologies that move us forward. If you’re driven to grow, to learn, and to make a lasting difference, this is where you belong.Rolls-Royce is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to any protected characteristics. We are committed to providing a respectful and non-discriminatory workplace where individuality is valued and everyone can thrive.Infinite PotentialClosing Date: 09/18/2026#CLOENG#CLOLIJob CategoryMechanical SystemsJob Posting Date01 Sep 2026; 00:09Pay RangePay ranges for remote employees are based on the state where the employee resides and may vary from the posted range.$114,400 - $185,900-AnnuallyLocation:Indianapolis, INBenefitsRolls-Royce provides a comprehensive and competitive Total Rewards package that includes base pay and a discretionary bonus plan. Eligible employees may have the opportunity to enroll in other benefits, including health, dental, vision, disability, life and accidental death & dismemberment insurance; a flexible spending account; a health savings account; a 401(k) retirement savings plan with a company match; Employee Assistance Program; Paid Time Off; certain paid holidays; paid parental and family care leave; tuition reimbursement; and a long-term incentive plan. The options available to an employee may vary depending on eligibility factors such as date of hire, employment type, and the applicability of collective bargaining agreements.