HVAC Maintenance Supervisor - Hands-On Leader

Amentum; Philadelphia (Philadelphia County); On-site; USD 80,000 - 85,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

401(k) and retirement benefits

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking a Facilities Maintenance Supervisor focused on HVAC to lead daily maintenance operations and act as the site’s lead mechanical resource. You will supervise technicians, manage work orders in CMMS, and ensure safe, reliable operation of building systems.

The role emphasizes hands-on troubleshooting of HVAC/ mechanical systems, coordination with vendors, and compliance with OSHA and site procedures. Strong leadership and field coaching are essential.

Qualifications

• 5+ years of facilities maintenance experience.
• 2+ years of supervisory or team leadership experience.
• Strong troubleshooting experience with HVAC mechanical systems.
• EPA Universal Refrigerant Certification.
• Experience with CMMS systems.
• Ability to read mechanical drawings and control schematics.

Responsibilities

• Supervise and coordinate daily activities of maintenance technicians and service providers.
• Assign, prioritize, and monitor work orders to ensure timely completion.
• Provide field leadership, coaching, and technical guidance to direct reports.
• Conduct routine inspections to ensure quality workmanship and adherence to standards.
• Enforce safety procedures, PPE requirements, and regulatory compliance.
• Perform preventive maintenance and corrective repairs on building systems including HVAC, electrical, plumbing, and general building equipment.
• Troubleshoot and resolve complex HVAC issues affecting occupant comfort, manufacturing environments, or warehouse conditions.
• Coordinate vendor access and oversee subcontractor work execution.

Skills

Supervisory experience

HVAC troubleshooting

Reading mechanical drawings

CMMS experience

Education

EPA Universal Refrigerant Certification

Tools

CMMS (Maximo or equivalent)

Job description

Amentum is seeking a Facilities Maintenance Supervisor focused on HVAC to lead daily maintenance operations and act as the site’s lead mechanical resource. You will supervise technicians, manage work orders in CMMS, and ensure safe, reliable operation of building systems.

The role emphasizes hands-on troubleshooting of HVAC/ mechanical systems, coordination with vendors, and compliance with OSHA and site procedures. Strong leadership and field coaching are essential.