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HVAC Technician III

Job in Waukesha, Waukesha County, Wisconsin, 53188, USA
Listing for: Amentum
Full Time position
Listed on 2026-02-01
Job specializations:
  • Trades / Skilled Labor
    Maintenance Technician / Mechanic, HVAC Tech / Heating Engineer
Job Description & How to Apply Below

Amentum is seeking a mid-level industrial HVAC/R Technician III to join our facility operations & maintenance team in Waukesha, WI.

Hours may vary based on business demand. Weekend hours may be scheduled to support our 24/7 operation.

The HVAC/R Technician III is responsible for providing an intermediate level of expertise in responding to work orders, troubleshooting, and providing preventive maintenance on HVAC-related equipment in an industrial environment.

Responsibilities
  • Performs preventative and corrective maintenance to a wide variety of facility related equipment.
  • Diagnoses, troubleshoots, maintains, and repairs heating and ventilation equipment, pumps, fans, chillers, dryers, compressors, rooftop AHU’s, split systems, compressors, refrigeration, and other mechanical equipment as necessary in an industrial environment.
  • Provides instruction and assistance to other technicians as needed.
  • 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.
  • Utilizes the building automation system to track building conditions and the operation of facilities equipment.
  • Utilizes strong mechanical and electrical skills in order to complete assignments.
  • Performs preventive maintenance on HVAC control and operating systems as scheduled in the Computerized Maintenance Management System (CMMS).
  • Responds and provides service and feedback to the customer on all work orders while assuring compliance to codes, regulations and industry standards.
  • Recommends measures to improve maintenance methods and equipment performance.
  • 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 in order to be successful in the assignment yet demonstrates flexibility in the day-to-day activities and scheduling for the benefit of the customer.
  • Other duties as assigned by Manager or Supervisor.
Minimum Requirements
  • Three years of experience performing mechanical maintenance in an industrial environment or demonstrated equivalent combination of education and experience.
  • Must have the ability to work in an aerial lift or scissor lift at heights up to 30 feet or higher.
  • Requires the ability to work safely with 3-phase power up to and including 480V.
  • Must be able to troubleshoot and diagnose electrical circuits ranging from 24

    VAC/DC and up including lighting and load centers.
  • EPA Universal Certification
  • Qualified applicants who are offered a position must pass a pre-employment substance abuse test.
  • This position does not include sponsorship for United States work authorization.
  • This position will require the ability to obtain a security access badge at our client’s location.
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, 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 certification in industrial mechanical, HVAC, or related Facility Maintenance…
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