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The Facilities Maintenance Supervisor (Working Supervisor) is responsible for leading daily maintenance operations with primary technical expertise and mechanical building systems. This role combines frontline supervision with hands-on technical execution and serves as the site's lead mechanical resource. The Supervisor ensures safe, reliable, and efficient operation of HVAC systems while overseeing a team of technicians and supporting overall facility performance.
This is a 1st shift on site salary position. Hours may vary based on business demands. M-F 8am-5pm.
Key Responsibilities
Operational Supervision
Supervise and coordinate daily activities of maintenance technicians and service providers.
Assign, prioritize, and monitor work orders to ensure timely completion aligned with service level agreements (SLAs).
Provide field leadership, coaching, and technical guidance for direct reports.
Conduct routine inspections to ensure quality workmanship and adherence to standards.
Enforce safety procedures, PPE requirements, and regulatory compliance.
Working Supervisor Duties (Hands-On)
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.
Troubleshoot other mechanical and facility system issues and lead complex repairs.
Support emergency response and after-hours call coverage as required.
Assist with installations, minor construction, and repair projects.
Execute general maintenance tasks including fixtures, doors, ceilings, restroom repairs, and basic carpentry.
Work Management & Systems
Utilize CMMS platforms (e.g., Maximo or equivalent) to manage work orders, labor tracking, and asset history.
Ensure accurate documentation of completed work and maintenance activities.
Monitor preventive maintenance compliance and backlog performance.
Coordinate vendor access and oversee subcontractor work execution.
Client & Operational Support
Serve as the primary on-site escalation point for operational issues.
Communicate work status, risks, and priorities to Site Manager and stakeholders.
Support service delivery reporting and KPI performance tracking.
Maintain strong customer service relationships with building occupants.
Support predictive maintenance technologies where applicable (infrared, vibration, controls trending).
Safety & Compliance
Promote a strong safety culture and lead toolbox talks and safety briefings.
Ensure compliance with OSHA standards and site-specific procedures.
Support regulatory inspections and audit readiness.
Other Attributes:
Must be willing to work overtime when required.
May be required to work holidays and weekends.
Work schedules can change based on critical business needs.
Work schedules can change based on critical business needs.
Required 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.
Preferred Qualifications:
HVAC trade license.
Experience within IFM and/or GMP environments.
OSHA 10 or OSHA 30 certification.
Experience managing vendors or subcontractors.
4-year college degree or equivalent experience
TRANE BMS controls experience is a plus
Experience with fire panel systems
Cooling tower and chiller plant experience preferred
Physical Requirements
Ability to lift up to 50 lbs.
Frequent walking, climbing ladders, bending, and working in mechanical spaces.
Ability to respond to emergency situations as needed.
Compensation Details:
$75K-$85K
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
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
Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
Original Posting:
04/28/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters (https://postings.govdocs.com/#/vxSkbztPuAwwxfs) .