Combustion Devices Engineer (ES4)

Amentum; Huntsville, Northern (AL, KY); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

401(k) matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum Space Exploration Division (ASED) seeks a Combustion Devices Engineer to advance propulsion analyses and design validation for liquid rocket components. You will gather, interpret, and present test data, working with engineers to resolve complex technical issues and ensure alignment with design requirements.

Leverage thermodynamics, fluid mechanics, and combustion knowledge while collaborating across teams.

Qualifications

• Advanced degree in Aerospace/Mechanical engineering with ABET accreditation.
• PhD with minimum 4 years experience, MS with 8 years, or BS with 10 years.
• Knowledge of thermodynamics, fluid mechanics, propulsion, and heat transfer.
• Knowledge of combustion codes and applications.
• Familiar with fabrication and manufacturing operations.
• Proficient using Microsoft Office.

Responsibilities

• Gather data and assemble for assessment of changes and issues with hardware and test data.
• Collaborate with other engineers to resolve technical issues.
• Document and deliver results.
• Characterize environments and assess if combustion devices and turbomachinery meet design goals.
• Apply analyses to pre- and post-test predictions of component performance.
• Analyze design, development, manufacturing and testing of liquid propulsion components.
• Assist in assessing new design concepts and fabrication methods.
• Attend technical meetings and maintain knowledge of requirements and risk processes.
• Perform other duties related to liquid rocket engine analyses and systems engineering.
• Present assessments to engineers and project management.

Skills

Thermodynamics

Fluid mechanics

Propulsion

Heat transfer

Combustion codes

Fabrication knowledge

Presentation skills

Organizational skills

Teamwork

US Citizenship

STAR ID

Own transportation

Education

PhD in Aerospace/Mechanical Engineering

MS in Aerospace/Mechanical Engineering

BS in Aerospace/Mechanical Engineering

Tools

Microsoft Office

Job description

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!

Primary Duties for the Combustion Devices Engineer

• Gather data and assemble for assessment of changes and issues with hardware and test data.
• Collaborate with other engineers to resolve technical issues.
• Document and deliver results.
• Utilize analysis and test/flight data to characterize the component environments and assist in determining if the combustion devices and turbomachinery meet established design requirements and design goals.
• Apply analyses to pre- and post-test predictions of component performance and to assessing ground test/flight data.
• Perform qualitative and quantitative analysis of the design, development, manufacturing, and testing of liquid propulsion components related to combustion devices.
• Assist in assessing new design concepts, design improvements, and fabrication methods.
• Attend technical interchanges, project planning, design review, review boards, and other appropriate meetings to maintain a current knowledge base of design, requirements, issues, action items, and resolution activities. Identify issues, pursue resolutions, and provide supporting analyses. Complete and document assigned action items. Review requirements and risk management processes.
• Perform other duties related to liquid rocket engine analyses and systems engineering as assigned.
• Present assessments to other engineers, as well as technical, project, and program management.

Qualifications

• MS, or PhD in Aerospace, Mechanical, or related engineering field from an ABET-accredited university.
• Ph.D., with minimum of 4 years of experience,
• MS with at least 8 years of experience, or
• BS with at least 10 years of experience.
• Knowledge of thermodynamics, fluid mechanics, propulsion, and heat transfer.
• Knowledge of combustion codes and applications.
• Familiar with fabrication and manufacturing operations.
• Proficient using Microsoft Office Products.
• Excellent presentation skills.
• Excellent organizational skills and time management.
• Able to work in a team environment.
• Must be able to provide own transportation.
• Must be a US Citizen and have a STAR ID.

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.

Compensation Details:

ES4

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:

09/08/2026 - 10/10/2026

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.

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