HVAC/R Tech. IV

Amentum is seeking an HVAC Technician IV to join our team in Decatur, IL!

• Typical work schedule is Variable 6a to 2:30P; hours may vary based on business demand.

• Weekend hours may be scheduled to support our 24/7 operation.

The HVAC Technician is responsible for maintaining the company’s buildings, facilities, and equipment in an operating and functional condition. This will include but not limited to refrigeration repairs, troubleshooting, and air handler maintenance and repairs.

Duties may include any of the following: electrical repairs or installations, plumbing, welding, machine servicing, and general mechanical maintenance (e.g. Heating, Ventilating, Air Conditioning or HVAC and sheet metal).

Responsibilities:

• Under general supervision, reveals mastery of advanced duties of a specialized/technical nature.

• Encounters diverse problems that require thorough analysis.

• Diagnoses, troubleshoots, maintains, and repairs heating and ventilation equipment, pumps, fans, compressors, and other mechanical equipment as necessary.

• Utilizes strong mechanical and electrical skills 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.

• Analyzes and resolves work problems or assists workers in solving work problems.

• 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.

• Understands company policies and enforces safety regulations.

• Coordinates work with outside contractors.

• Assures code and building standards are met.

• Serves as a resource to others in the resolution of complex problems and issues.

• Perform all other position related duties as assigned or requested.

• Perform other duties as assigned in non position duties as needed to support clients needs.

Minimum Requirements:

• High school diploma or demonstrated equivalent.

• 5 years of experience in area of specialization. Must have EPA 608 Universal Certificate

Additional Information:

• Qualified applicants who are offered a position must pass a pre-employment substance abuse test.

• This position may require a valid Driver’s License.

• 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.

• This position may require various shifts, weekends, and alternative work schedules.

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 use of various man lifting devices to reach work area.

• 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.

• Requires the use of aerial lifting equipment.

Special Requirements:

• Wear steel toe safety shoes, safety glasses, gloves (multiple types based on work being completed), 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.

Other Attributes:

• Must be willing to work overtime when required. May be required to work holidays and weekends.

Compensation Details:

$36 - $40/hour

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:

01/13/2026 - 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 ( .