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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Thermodynamic Performance Engineer - **Company:** GE Aerospace - **Location:** Lynn, MA, United States - **Experience:** Expert - **Salary:** $130,000.0 - $175,000.0 - **Contract:** Permanent contract - **Skills:** Programming Tools, Python (Programming Language), Technical Data Management Systems, Test Data - **Published:** June 5, 2026 - **Apply:** https://www.juju.com/job/00000000g5kjc0 ## About the Role If this sounds exciting to you and you have prior experience in Jet Engine Performance or related disciplines, we look forward to speaking with you., + Bachelor's degree in engineering from an accredited university or college + Minimum of 8 years' experience related to Aircraft Engine Performance or related discipline., + Advanced degree in Mechanical or Aerospace Engineering with focus on thermofluids or turbomachinery. + Enthusiasm for propulsion and aero/thermodynamic disciplines + Experience in aircraft engine testing, cycle performance, or component aero design + Proficiency with NPSS, Python, or similar simulation/programming tools + Experience in gas turbine engine test support, analysis, and thermodynamic modeling + Experience in engine qualification and certification + Strong oral and written communication skills + Strong interpersonal, leadership, and influencing skills + Ability to work collaboratively in a structured team environment and also independently + Process-oriented mindset with strong problem analysis, resolution skills, and systems thinking + Strong analytical skills in thermodynamics and aerodynamics + Experience documenting, planning, and executing technical programs; established project management skills + Experience coaching and mentoring less experienced performance engineers + Ability to obtain and maintain a U.S. Government Security Clearance (U.S. citizenship required) ## Description We are seeking a Senior Thermodynamic Performance Engineer to lead the analysis, prediction, and optimization of engine thermodynamic performance across the full operating envelope. In this role, you will be a technical leader for cycle performance, fuel efficiency, and operating margins, partnering closely with design, controls, test, and services teams. You will own key performance models and datasets, drive test-to-model correlation, and provide clear, data-driven recommendations that improve safety, reliability, fuel burn, and operability., + Develop and own cycle and performance models (steady-state and transient) for engines across the operating envelope + Predict thrust/power, fuel flow, temperatures, pressures, and margins versus altitude, Mach, and mission conditions + Plan and support engine performance testing, including defining test matrices and key performance points + Correlate test data to models, perform uncertainty analysis, and update maps/models based on results + Create and refine component maps and limits (fan/compressor/turbine maps, operating lines, surge and temperature margins) + Collaborate with controls engineers on schedules (VGV, bleeds, fuel flow) to balance performance, operability, and hardware life + Analyze fleet and in-service performance data to identify trends, degradation, and improvement opportunities + Lead performance trade studies and optimization for efficiency, fuel burn, and operating margins + Support certification and customer programs with validated performance data and technical justifications + Provide technical leadership and mentoring to junior engineers and drive best practices in thermodynamic performance + Work cross-functionally with design, aero, mechanical, systems, test, and services teams to ensure performance requirements are met + Improve gas turbine thermodynamic and operability modeling techniques + Engage in research, design, development, and enhancement of technologies to improve performance, operability, and cost + Develop strong relationships with external customers and partners + Document technical data and results in accordance with engineering policies and procedures + Communicate significant technical issues, risks, or developments in a timely manner + Participate in organizational initiatives and technical/program reviews + Support technical program managers and mentor less experienced engineers + Make decisions within a defined framework and engage senior team members on complex issues + Contribute independently to projects while supporting senior engineers in advancing performance related technologies ## Related Videos - [Dirty Tests And How To Clean Them](https://www.wearedevelopers.com/videos/515-dirty-tests-and-how-to-clean-them) - [AI Pair Programming with GitHub Copilot at SAP: Looking Back, Looking Forward!](https://www.wearedevelopers.com/videos/1546-ai-pair-programming-with-github-copilot-at-sap-looking-back-looking-forward) - [CUDA in Python](https://www.wearedevelopers.com/videos/1294-cuda-in-python) - [Data Science, ML & AI in the Oil and Gas Industry at NDT Global - Dr. Katja Träumner](https://www.wearedevelopers.com/videos/1308-data-science-ml-ai-in-the-oil-and-gas-industry-at-ndt-global-dr-katja-traumner) - [Full Stack Web Apps With Nothing But Python](https://www.wearedevelopers.com/videos/417-full-stack-web-apps-with-nothing-but-python) - [Exploring AI: Opportunities and Risks in Development](https://www.wearedevelopers.com/videos/1267-exploring-ai-opportunities-and-risks-in-development) ## Related Articles - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The Prompt Engineer ✍️](https://www.wearedevelopers.com/magazine/216-the-prompt-engineer) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)