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Senior Auxiliary Systems Engineer

Green Expert Technology Inc. (GreenXT)
Washington, DC Full Time
POSTED ON 1/12/2026
AVAILABLE BEFORE 2/11/2026
Green Expert Technology Inc. (GreenXT) is seeking a Senior Auxiliary Systems Engineer to support our Navy customer at the Washington, D.C. Naval Yard.

This position is in the Aircraft Carrier Design and Systems Engineering Directorate (SEA 05V) at Naval Sea Systems Command (NAVSEA). The duty station will be on-site at the Washington Navy Yard. This position serves as an Auxiliary Systems Engineer, reporting to the Auxiliaries Systems Engineering Manager (SEM), supporting the Aircraft Carrier Ship Design Managers (SDMs) and their Deputies.

About GreenXT

GreenXT is comprised of technical and business leaders. We hire intelligent, hardworking, and dedicated people who not only possess the desire to learn and improve their skills but want to contribute to the design and development of innovative solutions that address the Navy’s greatest technological challenges. We hired each of our employees because we believe they are exceptional, have the ability to excel at their job, and will contribute positively to GreenXT.

GreenXT’s business office strives to be the most efficient and effective business office supporting our customers. Our personnel aspire to become leaders through organized, rigorous, and diligent efforts. GreenXT employees are always looking to help one another succeed. We look out for each other and cross-train so that the product we deliver is one that we’re confident in and proud of. We strongly believe in growth and providing our workforce with career development opportunities to help everyone achieve their goals.

We take pride in our support of the United States Navy. We never forget that the work we do is ultimately in support of America’s warfighter and serving those who serve. The idea that our hard work can help make their jobs easier, assist them to defend our nation, and can help ensure they return home safely to their loved ones motivates us every day, and we hope that you join us on that mission!

Job Responsibilities:

  • Provide technical support and assess risk for technical decisions for Ford Class Ship Design Managers (SDMs) and Auxiliary System Engineering Manager (SEM)
  • Collaborate with the SUPSHIP Newport News to resolve Auxiliary System technical matters
  • Provide written responses to requests for technical assistance or adjudication received via letter, Departure from Specification (DFS), and Nuclear Liaison Action Request (NLAR)
  • Address technical issues with ship modernization efforts executed via Ship Change Documents (SCDs) and support development of new SCDs
  • Coordinate with Engineering Agents, Technical Authorities, TYCOM, PMS 312, PMS 378, SUPSHIP, Newport News Shipbuilding, & other activities
  • Develop and issue Auxiliary Systems Government Furnished Information (GFI) packages to Newport News Shipbuilding
  • Review technical data packages, drawings, reports, logistics products, training, etc. and provide written technical recommendations
  • Review ship, procurement, and systems specifications and submit written proposals for changes.


Required Skills:

  • Experience with one or more of the following auxiliary systems: Refrigeration systems (including modular systems), seawater and freshwater systems including pumps, oxygen and nitrogen generating systems, Heating, Ventilation, & Air Conditioning (HVAC), Damage Control systems, emergency diesel engines, air compressors, deck machinery, or other auxiliary machinery.
  • Experience with US Navy, US Coast Guard, or Military Sealift Command vessels
    • (Desired) Preferably experience with nuclear powered ships
  • Worked with or at a shipyard, Naval Surface/Undersea Warfare Center (NSWC/NUWC), Supervisor of Shipbuilding Command (SUPSHIP), Regional Maintenance Center (RMC), and/or Type Commander (TYCOM) or similar organizations supporting construction, operation, maintenance, modernization, and/or repair of shipboard auxiliary systems.
    • (Desired) Experience working with NAVSEA 05 and 08
    • (Desired) Experience working with non-technical leadership
  • Strong technical writing and communication skills
  • Engineer with 10 years relevant experience and a bachelor’s degree in an engineering discipline.
  • Active DoD Secret Clearance
  • Ability to lift, carry and transport heavy equipment and boxes. The exact weight requirements will be determined by the specific job, but no less than 30 lbs.
  • Ability to work on and climb ladders, aboard ships, in shipyards, under industrial conditions and in confined spaces.

Job Benefits

  • Competitive Salary
  • Paid Time Off (PTO)
  • 11 Paid Holidays
  • 401(k) with Matching
  • Medical Insurance
  • Dental Insurance
  • Life and Disability Insurance

Salary.com Estimation for Senior Auxiliary Systems Engineer in Washington, DC
$159,323 to $187,042
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