Operating Engineer 3rd Class – Central Plant

Amentum; Virginia (MN); On-site; USD 97,000 - 105,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

Retirement benefits (including 401(k)匹

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking an Operating Engineer 3rd Class to operate, maintain, and troubleshoot complex mechanical, electrical, and HVAC systems within a facility. This role ensures safe, efficient, and reliable building infrastructure and central plant equipment.

Preferred candidates will have active security clearance, a DC boiler license, and several years of engineering services experience. Strong diagnostics, safety knowledge, and the ability to work independently or with a team are essential.

Qualifications

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

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.
• 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.

Skills

Boilers & HVAC systems

Troubleshooting

Reading blueprints & schematics

Independent and team work

Tools

BAS

CMMS

Job description

Amentum is seeking an Operating Engineer 3rd Class to operate, maintain, and troubleshoot complex mechanical, electrical, and HVAC systems within a facility. This role ensures safe, efficient, and reliable building infrastructure and central plant equipment.

Preferred candidates will have active security clearance, a DC boiler license, and several years of engineering services experience. Strong diagnostics, safety knowledge, and the ability to work independently or with a team are essential.