Thermal/fluid Analysis Subject Matter Expert

Join Our Journey At Amentum Space Exploration Division (ASED) your growth is our priority! That’s why we offer an array of exciting opportunities for your career development. From the transformative Team Lead Academy to education reimbursement, personalized mentoring, and engaging company-sponsored networking events, you have the power to shape your professional journey in a way that aligns with your aspirations. Find Your Community At the heart of our thriving business are the incredible people who make it all possible. We celebrate a vibrant array of cultures, backgrounds, and experiences. Here, we foster an environment where everyone—employees, clients, and partners alike—are treated with the dignity and respect they deserve. Prioritize Your Well-Being Our extensive benefits package is designed with your health in mind. Enjoy wellness programs, paid holidays, generous time off, employee perks, and so much more. We’re here to help you achieve a harmonious balance in your life—both at work and at home. Together, We Soar Our dynamic team consists of 10 companies united in a single mission: to venture from Moon to Mars and beyond. Join us on this extraordinary adventure! This position has been aligned with TriVector Services, Inc. To learn more, click Trivector | Experience, Performance, Value Position Description: The thermal/fluid analysis subject matter expert provides conjugate heat transfer and fluid flow analysis and test support of operational, developmental, and emerging NASA propulsion systems. Job Duties: • Develop Thermal Desktop® heat transfer with fluid flow models of propulsion systems and components operating in terrestrial, space, and lunar surface environments • Collaborate with prime contractors to define propulsion system design and component operational environment requirements • Review propulsion system analysis and test documentation delivered by program prime contractors for compliance with applicable standards and requirements • Attend program milestone reviews to verify compliance with entry/exit/success criteria, document discrepancies, collaborate with prime contractors to develop corrective action • Define thermal and/or thermal vacuum environment test requirements, develop test plans, process test data, and document results in test reports • Validate computational analysis models using ground and flight test data Qualifications: A Bachelor of Science in engineering from an ABET accredited university and a minimum of 30 years of professional practice is required. A master’s and/or doctorate degree is preferred and is equivalent to two and six years, respectively, of professional practice. Licensure as a Professional Engineer is desirable. Must be a US Citizen and have a STAR ID. Required skills and experience: • Conjugate heat transfer and fluid mechanics modeling using Thermal Desktop® • Development of Fortran language routines to implement customized thermal and fluid environment calculations in Thermal Desktop® models • Proficiency using Microsoft 365 applications for technical writing and presentation Desired skills and experience: • Reactional Control System design and operation • Finite element modeling using Ansys, Patran, or Femap • Test and flight data processing and visualization using MS Excel, NASA WinPlot, Matlab, Python, etc. • Familiar with NASA, DoD, and industry standards and specifications Essential Functions Work Environment: Office environment. Requires ability to provide clear, concise, accurate and timely communication, both verbally and in writing (100%). Requires ability to interact professionally with co-workers, management, and client (100%). Requires travel in the domestic USA (5%). Requires ability to work at a computer for long periods of time (100%). Physical Requirements: Requires sitting for extended periods of time in meetings with peers, management, and with our client at NASA facilities to discuss technical issues (10%). Also, requires sitting for extended periods of time at a desk to write reports and perform engineering tasks (80%). Requires ability to use stairs or elevators for access between floors and multiple buildings at NASA and our facilities (10%). Equipment and Machines: Requires ability to operate a personal computer, a telephone, fax machine, copier, calculator, and other general office equipment (100%). Attendance: Normal workday 7:30-4:30, Monday thru Friday. Minimal overtime may be required (10%) to meet schedule milestones and to support technical demands of the job. Regular attendance is a necessity, and adequate arrangements for delegating duties during absences are required. Other Essential Functions: The ability to work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential (100%). Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others. Proof of U.S. Citizenship is required. #ESSCA #ASED #Amentum Compensation Details: 0.01 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws. Benefits Overview: Our health and welfare benefits are designed to support you and your priorities. Offerings include: Health, dental, and vision insurance Paid time off and holidays Retirement benefits (including 401(k) matching) Educational reimbursement Parental leave Employee stock purchase plan Tax-saving options Disability and life insurance Pet insurance Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits. Original Posting: 07/28/2026 - 09/05/2026 Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs. Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. Thank you for continued interest in employment with Amentum. For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/ If you need a reasonable accommodation for any part of the employment process, please contact us by email at TAOps@amentum.com and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. 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