Job Title: Thermofluids Systems Engineer

Working Pattern: Full time

Working location: Indianapolis, IN/Hybrid (3 days week onsite avg.)

The Thermofluid Systems Engineer is responsible for design and analysis of gas turbine air, oil, fuel, and thermal management systems along with component and/or subsystem thermal analysis. The role supports the entire product lifecycle from concept generation and evaluation to in-service support.

Why Rolls-Royce?

Rolls-Royce is one of the most enduring and iconic brands in the world and has been at the forefront of innovation for over a century. We design, build and service systems that provide critical power to customers where safety and reliability are paramount.

We are proud to be a force for progress, powering, protecting and connecting people everywhere.

We want to ensure that the excellence and ingenuity that has shaped our history continues into our future, and we need people like you to come and join us on this journey.

Rolls-Royce has been recognized as the top employer in the Engineering & Manufacturing category on the prestigious Forbes Top Employers for Engineers list for 2025. This ranking highlights our commitment to innovation, employee development, and fostering a collaborative environment where engineers can thrive.

Be part of a team that sets the industry standard and drives groundbreaking solutions.

At Rolls-Royce, we are committed to creating a workplace where all employees feel respected, supported, and empowered to do their best work. We foster a welcoming and innovative work environment that invests in you, giving you access to an incredible breadth and depth of opportunities where you can grow your career and make a difference.

Rolls-Royce is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to any protected characteristics.

What you will be doing

• Perform detailed fluid flow analyses of gas turbine engine systems, subsystems, and components using 1-D network analysis
• Perform heat transfer analyses of gas turbine engine subsystems and components as well as Computational Fluid Dynamic (CFD) analyses in support of fluid flow and heat transfer understanding
• Support resolution of system-level issues by interfacing with Engine Performance and the rest of System Design, Controls, Installations, Turbines, Compressors, Combustion, and Power Transmissions & Structures organizations
• Provide technical support to product design and support teams
• Contribute to their team in defining and completing technical work packages to meet customer requirements
• Support engine development testing through analysis or on-site test by planning, monitoring, inspection of instrumented hardware (pre and post-test), data reduction, and model validation
• Prepare and deliver analysis results in formal and informal design reviews
• Provide direction in diagnosis of thermofluid system related engine and/or component problems and identify and/or develop new and better approaches to the thermofluid system process and guides

Who we’re looking for:

At Rolls-Royce we put safety first, do the right thing, keep it simple and make a difference. These principles form the behaviors that guide us and are an essential component of our assessment process. They are the fundamental qualities that we seek for all roles.

Basic Requirements:

• Bachelor`s degree in Engineering, with 2+ years’ experience in thermodynamics, gas dynamics, fluid mechanics and/or engine design; OR,
• Master`s degree in Engineering, Physics or Mathematics with experience in thermodynamics, gas dynamics, fluid mechanics and/or engine design; OR,
• PhD in Engineering, Physics or Mathematics with experience in thermodynamics, gas dynamics, fluid mechanics and/or engine design

In order to be considered for this opportunity, you must be eligible to obtain and maintain security clearance, which requires USA Citizenship

Preferred Requirements:

• Proficiency in computer programming language such as FORTRAN, Visual Basic, and/or C++
• Experience in heat transfer/thermals modelling and analysis, particularly related to fan and compressor sub-systems
• Experience in gas turbine fluid system design, modeling, and analysis
• Experience with Thermofluid Systems analysis tools (SPAN, SC03, AMESim, Fluent, STAR-CCM+, NPSS)
• Experience with workflow automation (Preliminary System Design and/or Component Design Systems)
• Experience in gas-turbine engine development / production / overhaul test analysis and troubleshooting

What we offer

We offer excellent development opportunities, a competitive salary, and exceptional benefits. These include bonuses, employee support assistance and employee discounts.

Your needs are as unique as you are. Hybrid working is a way in which our people can balance their time between the office, home, or another remote location. It’s a locally managed and flexed informal discretionary arrangement. As a minimum we’re all expected to attend the workplace for collaboration and other specific reasons, on average three days per week.

Relocation is available for this role, as applicable.

Closing Date: 07/24/2026

Global Grade/Level: GG10

#CLOLI

Benefits

Rolls-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.