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Amentum

Government engineering and technical services provider

Operating Engineer 3rd Class

Building & Property MaintenanceConfirmed live in the last 24 hours
Full-timeArlington County, Arlington, VA, USAIn-person

About the Job

Requirements

  • An active Secret Security Clearance is required.
  • A valid District of Columbia 3rd Class Steam and Hot Water Heating Boiler Engineer License is required.
  • At least three years of experience in Engineering Services, facilities engineering, building operations, or a related field is required.
  • Demonstrated experience operating and maintaining boilers, HVAC systems, and complex building mechanical and electrical equipment is required.
  • Working knowledge of applicable safety regulations, codes, and industry standards is required.
  • Ability to read and interpret technical manuals, blueprints, and schematics is required.
  • Strong troubleshooting, problem-solving, and diagnostic skills are required.
  • Ability to work independently and effectively in a team environment is required.

Responsibilities

  • Operate, monitor, and maintain Central Plant equipment and building systems.
  • Perform preventive, predictive, and corrective maintenance on boilers, HVAC systems, pumps, motors, generators, and electrical equipment.
  • Troubleshoot mechanical and electrical issues and implement effective repair solutions.
  • Monitor system performance to ensure efficient and uninterrupted facility operations.
  • Conduct routine inspections of equipment and systems to identify maintenance needs and potential failures.
  • Respond to equipment malfunctions, alarms, and emergencies in a timely manner.
  • Maintain accurate maintenance records, operating logs, and regulatory documentation.
  • Ensure compliance with all safety procedures, environmental regulations, and facility policies.
  • Coordinate with facility management, contractors, and vendors as required to support maintenance and repair activities.
  • Assist with equipment upgrades, renovations, and capital improvement projects.
  • Support the training and development of less experienced engineering staff as needed.

Desired Qualifications

  • Experience working in government, mission-critical, healthcare, laboratory, industrial, or large commercial facilities.
  • Familiarity with Building Automation Systems (BAS) and Computerized Maintenance Management Systems (CMMS).
  • Experience with steam distribution systems, chilled water systems, and emergency power systems.

About the Company

Amentum

Government engineering and technical services provider

Amentum provides technical and engineering services to government agencies to support high-stakes missions such as space launch, nuclear cleanup, and military operations. Its offerings combine workforce, engineering, and mission-support capabilities across the full lifecycle—from planning and design to operations and sustainment—delivered as contracted services. The company differentiates itself through scale and breadth: formed from a spin-off and expanded by acquiring DynCorp and PAE, and later merging with Jacobs’ Critical Mission Solutions and Cyber & Intelligence units, making it one of the largest government services contractors with about 53,000 employees and a public listing (AMTM). Its main goal is to help the U.S. and its allies achieve mission success for critical national programs by providing comprehensive, reliable government-focused technical services.

Company size
10,001+
Company stage
IPO
Headquarters
Chantilly, VA
Founded
2020

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