Job Description

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Grow With Us

Your growth matters to us—that’s why we offer a variety of ways for you to develop your career. With professional and leadership development opportunities like Team Lead Academy, education reimbursement, mentoring, and company sponsored networking events, you can take control of your own career path on your own terms with a company that believes in you.

A Place Where You Belong

People are at the heart of our business. We reflect a diversity of cultures, backgrounds, and experiences. We expect our people, clients, and partners to treat one another with dignity and respect.

Support Your Well-Being

Our comprehensive benefits package includes wellness programs, paid holidays, paid time off, employee perks and much more. With these benefits, plus the option for flexible schedules, we’ll support you as you pursue a balanced, fulfilling life—at work and at home.

Our team is comprised of 10 companies working together on one mission, Moon to Mars and then beyond.

As part of the Ground and In-Space, Cryogenic Fluid Management team you will be designing tank-internal instrumentation for ground testing a 1,000-5,000-gallon, flight weight liquid hydrogen tank.

Job Duties include:

Cryogenic Fuel Tank Testing (Ground and In-Space, Cryogenic Fluid Management

- Knowledge of hydrogen-compatible liquid-level and temperature sensing fiber optics and silicon diodes.

- Testing success leading to wide industry interest and follow-on test programs.

- Ability to generate technical peer reviewed white papers for professional cryogenic organizations.

- Some fluids transfer knowledge skills are necessary along with empirical past experience of cryogenic behavior in locked up conditions for longer duration in-space propellant storage.

- Ability to work with technicians to convey schematics, quality of workmanship required, and maintain schedule and costs for complex test scenarios.

- Requirements include several certifications necessary to work at NASA, MSFC Building 4205, and the East Test Area.

- Solid understanding of manufacturing techniques used in the cryogenic propellant industry.

Cryogenic Propellant Transfer Testing – Develop NASA vacuum chamber facility capability for low-cost, cryogenic fluid transfer and boil-off tests.

- Design and construct certified pressure system, cryogenic fluid transfer system.

- Design and construct remotely operated, vacuum-rated, motorized cryogenic fluid valve assemblies including programmable control system.

- Support successful, liquid nitrogen, tank-to-tank transfer tests.

- Understanding of cryocoolers and their ability to affect long duration cryogenic propellant storage.

- Ability to work with technicians to convey schematics, quality of workmanship required, and maintain schedule and costs for complex test scenarios.

- Requirements include several certifications necessary to work at NASA, MSFC Building 4205, and the East Test Area.

- Solid understanding of manufacturing techniques used in the cryogenic propellant industry.

Education requirements:

Bachelor’s degree in mechanical, chemical or nuclear from ABET-accredited university preferred and 20+ years’ interrelated experience

Excellent Skills and experience required in the following:

• Interpersonal and communication skills and strong team commitment and customer relations

• Written and verbal communication skills

• Microsoft Office products such as PowerPoint, Excel, and Word.

• Must be a US citizen

#ASED #ESSCA

Compensation Details:

SME2

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:

04/01/2026 - Until Filled

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