Industrial HVAC/R Technician

Amentum is seeking a highly skilled industrial HVAC/R Technician to join our Facility operations & maintenance team in Mossville IL.

• Typical hours: 1st shift M-F 6:30-3; hours and overtime may vary based on business demand.

The HVAC/R Technician utilizes their strong mechanical and electrical skills to provide an advanced level of expertise in responding to work orders, troubleshooting, and providing preventive maintenance and repairs on HVAC and refrigeration-related equipment in an industrial environment. Provides instruction and assistance to other technicians as needed.

Responsibilities:

• Performs preventative and corrective maintenance to a wide variety of facility and process related equipment.
• Diagnoses, troubleshoots, maintains, and repairs heating and ventilation equipment, rooftop AHU’s, split systems, pumps, fans, chillers, freezers, coolers and refrigerators, dryers, compressors, and other mechanical equipment as necessary.
• Utilizes the building automation system to track building conditions and the operation of facilities equipment.
• Utilizes Automated Building Controls training to respond and provide service/feedback to the customer on all work orders, hot and cold calls while assuring compliance to codes, regulations, and industry standards.
• Performs preventive maintenance on HVAC control and operating systems as scheduled in the Computerized Maintenance Management System (CMMS).
• Recommends measures to improve maintenance methods and equipment performance.
• Safely performs functions of the position including following proper safety guidelines such as job hazard analysis and lockout/tagout procedures and wearing PPE as required.
• Works safely with 3-phase power up to and including 480V.
• Troubleshoots and diagnoses electrical circuits ranging from 24VAC/DC and up including lighting and load centers. Operates various measuring, diagnostic and testing instruments to help provide energy efficiency solutions.
• Operates a variety of equipment such as hand tools, laptop computers and diagnostic hardware to perform work.
• Maintains a strict schedule to be successful in the assignment yet demonstrates flexibility in the day-to-day activities and scheduling for the benefit of the customer.
• General Maintenance of equipment will also be required.
• Other duties as assigned by Manager or Supervisor.

Minimum Requirements:

• High school diploma or demonstrated equivalent.
• Five years of experience as an HVAC maintenance technician in an industrial environment or demonstrated equivalent combination of education and experience.
• EPA Universal certification.
• Ability to work in an aerial lift or scissor lift at heights up to 30 feet or higher.
• Must be able to work in the U.S. without sponsorship
• Qualified applicants who are offered a position must pass a pre-employment substance abuse test.
• This position requires a valid Driver’s License.
• This position will require the ability to obtain a security access badge at our client’s location.
• This position may require overtime, various shifts, weekends, holidays, and alternative work schedules.
• This position requires participation in on call rotation schedule

Additional Information:

• This position does not include sponsorship for United States work authorization.

Physical Requirements:

• Requires the ability to regularly lift up to 50 lbs.
• Requires the ability to regularly climb extension ladders, roof ladder, stepladders, and stairs at least 10 times during shift.
• Requires the flexibility to bend/stoop, squat repetitive during shift.
• Requires the ability to regularly kneel repetitive for shift.
• Requires the ability to move in a 90-degree fashion on a repetitive basis for shift.
• Requires the ability to stretch/reach on a repetitive basis for shift.
• Requires the ability to walk extensively throughout the plant during shift.
• Requires the use of a Company/Client approved utility knife.
• Requires the ability to differentiate colors pertaining to wire color-coding.
• Some tasks will require repetitive wrist movement.
• Requires the ability to interact with all clients in a professional and friendly manner despite periods of stress.
  
  

Special Requirements:

• Wear steel toe safety shoes with metatarsal guards, safety glasses, gloves, hard hats and other Personal Protective Equipment as needed.
• Cope with demands (stressors) that are associated with the job and/or the work environment so that acceptable levels of performance and overall contribution are maintained.

Preferred Qualifications:

• Associates degree or technical school diploma in industrial electrical, industrial mechanical, HVAC, or a related skilled trade.
• Experience working with electrical voltage up to 480V 3 phase.
• Experience troubleshooting and repairing Variable Frequency Drives.
• Experience repairing and installing sheet metal as related to air handling systems.
• Experience performing preventive and corrective maintenance on industrial equipment.
• Experience reading prints and schematics.
• Experience with Restaurant style refrigeration systems.
• Experience with facility maintenance of garage doors, light plumbing, Dock locks, electrical and light carpentry. Other duties as assigned.
• Experience with the Maintaining Cooling towers manufactured Reymsa, Cyrco,BAC and Marle

Compensation Details:

$40.00

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:

09/21/2026 - 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.