Amentum · 2 days ago
Engineer-First Class
US-DC-Washington
Full-time
Onsite
Mid, Senior Level
$109K/yr - $115K/yr
7+ years expAmentum is seeking an experienced and licensed Engineer – 1st Class to support facility operations in the Washington, DC area. This senior-level stationary engineering role is responsible for the safe and efficient operation, maintenance, and repair of complex mechanical systems, while providing technical leadership and oversight to junior engineering staff.
Mechanical EngineeringSecurityTechnical Support
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Operate, maintain, and repair complex building systems, including boilers, HVAC systems, mechanical equipment, and electrical components
Conduct advanced troubleshooting and diagnostics on a wide range of mechanical and electro-mechanical systems
Perform scheduled preventive maintenance and corrective repairs to ensure safe and reliable operations
Ensure strict adherence to safety regulations, operational protocols, and all applicable federal, state, and local codes
Maintain operational logs, inspection records, and system documentation
Respond to emergency situations, system alarms, and equipment failures with urgency and expertise
Provide guidance, mentorship, and oversight to junior engineers and maintenance personnel
Collaborate with facility managers, contractors, and project teams on upgrades, repairs, or capital improvements
Ensure optimal system performance to support mission-critical facility operations
Qualification
Required
Valid First Class Engineer License in MD or DC
Active Secret Clearance
7-10 years of experience operating and maintaining boilers, HVAC systems, and mechanical/electrical equipment
Strong knowledge of building safety codes, environmental regulations, and industry best practices
Proven ability to perform complex troubleshooting across multiple trades
Ability to read and interpret technical manuals, blueprints, and equipment schematics
Demonstrated ability to work independently and make critical operational decisions
Preferred
Experience working within high-security, mission-critical, or government facilities
Knowledge of energy management practices and building automation systems
Previous supervisory or lead engineering experience
Benefits
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
Company
Amentum
Amentum is a technology and engineering company for security, defense, and energy.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$321.16M2025-03-12Post Ipo Secondary· $321.16M
2024-09-27IPO
2020-01-01Private Equity
Leadership Team
Ajay Nagar
Vice President
Darren Burton
Chief People Officer
Recent News
2026-02-03
2026-01-20
Company data provided by crunchbase