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Job Details

Junior Mechanical Engineer

Engineering and Architecture

Mechanical Engineer


Annapolis Junction, Maryland, United States

Amentum is seeking a well-rounded Junior Mechanical Engineer in Annapolis Junction, MD to support a facilities infrastructure program for a mission-critical customer, responsible for assisting with analysis and modernization of the new and existing mechanical infrastructure. This is an office and field position that offers a flexible work schedule.

You are versatile, enthusiastic to work in highly flexible, team-oriented environments with exceptional communication skills, and enjoy utilizing your analytical and organizational skills. Our team of experienced technicians, combined with your engineering knowledge and leadership, will propel you one step further in your career with opportunity for a deep understanding of quick response surveys and troubleshooting of mission chilled water-cooling systems. We offer training, development, opportunities to travel, and opportunities to work on unique projects.


  • Gather and review all available Energy Management Control System (EMCS) information regarding historic loading and corresponding outside air conditions, to generate a building load or room load and cross-verify/validate field measurements.

  • Install and maintain temporary metering at facilities or any/all locations that are not tracked in EMCS. Use gathered details to determine facility capacities, shortfalls, and concerns.

  • Assist with coordinating and scheduling surveys, inspections, and walkthroughs of the existing mechanical systems.

  • Responsible for all aspects of the client’s mechanical baseline and capacity reports at roughly 50 Department of Defense (DOD) facilities.

  • Responsible for all aspects of the Mechanical Engineering Review process, including surveys to collect existing condition data, collecting computer room air conditioning (CRAC) summary data, performing existing and new load and capacity calculations, and providing recommendations.

  • Provide current and historical mechanical infrastructure knowledge to client engineers and construction teams.

  • Work with the client to gather and analyze critical infrastructure information and review engineering plans.

  • Analyze and provide the client feedback regarding the operation and condition of mechanical chilled water plants along with any other infrastructure equipment upon request.

  • Remain familiar with all client standards and relevant changes.

Minimum Requirements:

  • Bachelor’s degree in mechanical engineering or related scientific field, and at least 1 year of mechanical engineering experience

    • Or an Associates degree, and at least 5 years of mechanical engineering experience

    • Or a High school diploma/GED, and at least 9 years of mechanical engineering experience

  • Must maintain a valid state driver's license

  • Position may require occasional travel in short sprints (roughly 2-3 weeks maximum per year)

  • Must have or be eligible to obtain a Top Secret US Government Clearance with SCI and polygraph. Note: US Citizenship is required to maintain a Top Secret Clearance.

Preferred Qualifications:

  • E.I.T. Certification or P.E. License

  • Prior experience with mechanical load analysis or chilled water system design

  • Familiarity with interpreting building codes, ASHRAE specifications, and construction design drawings

  • Demonstrated technical writing capabilities

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, religion, color, sex, gender, national origin, age, United States military veteran’s status, ancestry, sexual orientation, marital status, family structure, medical condition including genetic characteristics or information, veteran 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.

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