Job Description The Facilities Maintenance Supervisor (Working Supervisor – HVAC Focused) is responsible for leading daily maintenance operations with primary technical expertise in HVAC 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 position. Hours may vary based on business demands. 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 to 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. 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. 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: 48.00-51.00 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: 11/06/2026 - 11/09/2026 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. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. Thank you for continued interest in employment with Amentum. For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/ If you need a reasonable accommodation for any part of the employment process, please complete our Accommodation Request. Requests for accommodation will be considered on a case-by-case basis. If you need assistance, please reach out to [email protected] EEO including Disability/Protected Veterans Labor Laws Posters Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and /or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. Amentum will never as ask for a placement fee or any other fee to expedite the hiring process. If you are contacted by anyone offering employment with Amentum, you should never be asked to pay a fee for recruiting. Amentum personnel will always send email from an identifiable corporate account (ending in @amentum.com) and never from a public email account like Yahoo!, Google, Gmail, or Hotmail. If you are contacted regarding a fraudulent employment proposal, we encourage you to alert your local law enforcement agency/police authority. To read more about Amentum’s commitment to ethics, please click here.

Maintenance Supervisor.

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