Mechanical Project Engineer

Posted Yesterday
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Houston, TX, USA
In-Office
Senior level
Security • Cybersecurity
The Role
Design, test, and implement mechanical systems for thermal vacuum space simulation. Produce engineering drawings, troubleshoot facility systems, lead designers and technicians, manage procurement/installation, ensure pressure-system compliance, and support engineering reviews and documentation.
Summary Generated by Built In

Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you!     

We need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth. We are excited about what we do, and we need you on our team as we take on exciting challenges for NASA’s pursuits in deep space exploration. As NASA’s largest engineering solutions provider working together with NASA at centers across the United States.

We are seeking a Mechanical Project Engineer to join our JETSII Contract with Barrios, a teammate company.

The Mechanical Project Engineer will:

  • Work in a team environment to analyze requirements from customers and develop design solutions.
  • Design, develop, test, implement, and analyze technical products and systems.
  • Perform engineering designs and evaluations for thermal vacuum space simulation testing.
  • Produce engineering drawings conforming to JPR 8500 and other applicable standards.
  • Ability to troubleshoot facility systems and instruct technicians on repair solutions.
  • Collaborate with NASA Pressure Systems to complete Pressure Systems Design Reviews.
  • Prepare and present designs at various engineering design reviews.
  • Prepare work authorizing documents (WADs) required to support the installation of hardware into human in the loop vacuum/thermal vacuum chambers.
  • Apply engineering principles and techniques to create solutions to equipment, building, and infrastructure challenges.
  • Prepare engineering specifications, statements of work, and estimates for a wide range of facility-related projects.
  • Prepare, submit & track all phases of procurement, inspection, fabrication & installation into the facility and test chambers.
  • Coordinate and lead Mechanical Engineering designers, stress engineers and drawing checkers to complete detailed fabrication drawings.
  • Express good leadership qualities, be highly motivated, well organized, and capable of working within a closely-knit team.
  • Ability to oversee and direct technicians while performing installation or fabrication of engineering products.
  • Express good leadership qualities, be highly motivated, well organized and ability to work independently
  • Perform other duties as required

Requisition Qualifications:

This position has been posted at multiple levels. Depending on the candidate's experience, requirements, and business needs, we reserve the right to consider candidates at any level for which this position has been advertised.

  • Typically requires a bachelor's degree in Engineering with experience in the field or in a related area.
  • Bachelor's degree in engineering (or related discipline) with minimum 5 years of industrial facility maintenance experience.
  • Hands-on experience with pumps, motors, blowers, and valves, plus technical knowledge of vacuum blowers, mechanical pumps, and configuration control.
  • Apply core principles of thermodynamics and fluid mechanics to optimize the performance and efficiency of Liquid Nitrogen (LN2) cooling loops and high-vacuum pumping systems.
  • Proven record utilizing formal engineering methodologies such as Root Cause Analysis (RCA) and FMEA to diagnose failures and implement long-term corrective actions.
  • Experience managing third-party contractors and vendors during system upgrades, shutdowns, and facility installations.
  • Familiar with principal operations of safety relief valves and how to specify them.
  • Highly organized self-starter capable of managing tasks and meeting deadlines with minimal supervision.
  • Proficient in AutoCAD and MS Office Suite, with the ability to interpret and revise Process and Instrument Diagrams (P&IDs).
  • Strong verbal and written communication skills.

Requisition Preferences:

  • ​Strength in thermodynamics, fluid mechanics, thermal design or thermal analysis
  • Candidates with direct experience in NASA/JSC processes and [JPR 1710.13] compliance
  • Strong background in safety standards, including OSHA, NFPA, and ASME Section VIII for pressure systems.
  • Proficiency in 3D modeling software (Creo or Inventor) is highly valued.
  • Excellent communication skills for delivering presentations to stakeholders.
  • Demonstrated experience in project management.
  • Experience following schedules within Microsoft Project.
  • Must be able to support mission-critical tasks in specialized environments and maintain a flexible schedule.

Why Join Our Team?

In addition to exciting career opportunities, we also have:

  • Excellent personal and professional career growth
  • 9/80 work schedule (every other Friday off), when applicable
  • Onsite cafeteria (breakfast & lunch)
  • Much, much more!

For more information on our partnership with NASA at Johnson Space Center (JSC), please visit www.wehavespaceforyou.com

  • Proof of U.S. Citizenship or US Permanent Residency may be a requirement for this position.
  • Must be able to complete a U.S. government background investigation.
  • Management has the prerogative to select at any level for which the position is advertised.

Essential Functions

Work Environment

Generally, an office environment, but can involve inside or outside work depending on task.

Physical Requirements

Work may involve sitting or standing for extended periods (90% of time). May require lifting and carrying up to 25 lbs. (5% of time).

Equipment and Machines

Standard office equipment (PC, telephone, printer, etc.).

Attendance

Regular attendance in accordance with established work schedule is critical. Ability to work outside normal schedule and adjust schedule to meet peak periods and surge requirements.

Other Essential Functions

Professional behavior that enhances productivity and promotes teamwork and cooperation. Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.

#JETSII #JETS

       

Compensation Details:

EN1-EN3

       

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:

08/16/2026 - 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.

Skills Required

  • Bachelor's degree in engineering or related discipline
  • Minimum 5 years of industrial facility maintenance experience
  • Hands-on experience with pumps, motors, blowers, and valves; technical knowledge of vacuum blowers and mechanical pumps
  • Apply thermodynamics and fluid mechanics to optimize LN2 cooling loops and high-vacuum pumping systems
  • Proven use of Root Cause Analysis (RCA) and FMEA to diagnose failures and implement corrective actions
  • Experience managing third-party contractors and vendors during system upgrades and installations
  • Familiarity with safety relief valve operation and specification
  • Proficient in AutoCAD and Microsoft Office Suite; ability to interpret and revise P&IDs
  • Strong verbal and written communication skills
  • Ability to troubleshoot facility systems and instruct technicians on repair solutions
  • Ability to complete a U.S. government background investigation (may require proof of U.S. citizenship or permanent residency)
  • Highly organized self-starter able to manage tasks and meet deadlines with minimal supervision

Amentum Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.

  • Healthcare Strength Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
  • Retirement Support Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
  • Leave & Time Off Breadth Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.

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The Company
HQ: Chantilly, VA
18,261 Employees

What We Do

Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.

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