Senior Research Engineer - Combustion & Propulsion Technology

Date Posted: 2026-07-10 Country: United States of America Location: US-CT-EAST HARTFORD-RTRC K ~ 411 Silver Ln ~ RTRC K Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Join us and help shape the future of aerospace and defense. What You Will Do The Combustion and Propulsion Team at RTX Technology Research Center is seeking a candidate with strong analytical skills and expertise in combustion and propulsion technology to serve as a Senior Research Engineer. The successful candidate will join an inter-disciplinary research team working in areas such as pressure gain combustion including Rotating Detonation Engine (RDE), advanced propulsion concepts, gas turbine combustion, high-speed and multi-physics reacting flows, sprays, and experimental combustion and diagnostics. The individual is expected to focus on technical excellence; demonstrate innovation in the delivery of advanced technology; develop strong customer relationships both within and outside of RTX and to participate on research proposals to RTX business units and government agencies. Qualifications You Must Have M.S. in Mechanical or Aerospace Engineering or related engineering field. (Master’s degree with at least 3 years of work experience post degree for Senior Research Engineer in the RDE and gas turbine combustor development or advanced engine architectures) Proficient knowledge of pressure gain combustion, combustion science, fluid mechanics and chemical kinetics as applied to advanced propulsion technologies with experience in RDE and gas turbine combustor design, experimental combustion and diagnostics, computational fluid dynamics, high speed and/or reacting flows. Demonstrated ability to deliver to challenging technical objectives through creative problem solving and innovative thinking. Experience in the application of analytical skills to the development of new technology. Record of technical contributions including patents or publications. Qualifications We Prefer PhD in Mechanical or Aerospace Engineering or related engineering field with graduate work in the RDE and gas turbine combustor development or advanced engine architectures. Experimental testing of RDEs or other high pressure, high temperature combustion rigs, diagnostics and data analysis (performance, emissions, acoustics, durability, etc.). Understanding of fundamental RDE physics and advanced combustor concepts Design of fuel/air mixers for combustion devices (including RDE injectors, gas turbines, low/zero carbon combustors, rockets, scramjets) using CFD or other analytical methods. Experience with use of alternative fuels such as hydrogen, ammonia, and/or sustainable aviation fuels (SAF's). System-level architecture exploration for propulsion systems including combustion devices. Learn More & Apply Now Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. If you live within a reasonable commute of an RTX site with other colleagues you interact with, your manager will discuss whether there is a degree of onsite presence associated with this role. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.