Facility Maintenance Technician III

Position Summary

Amentum is seeking a 3rd shift Facility Maintenance Technician III for our facility operations & maintenance team in Decatur, IL. Typical work hours are 10 pm – 6:30am; hours may vary based on business demand. Overtime and weekend hours may be scheduled to support our customer. In this role you will work under general supervision performing tasks that reflect substantial variety and complexity.

You will rely on your experience and judgment to plan and accomplish goals.

• Reviews service requests for repairs and maintenance, determines nature of problem, and recommends appropriate solutions.
• Serves as a resource to others in the resolution of complex problems and issues.
• Coordinates work with outside contractors.
• Assures code and building standards are met.
• Performs repairs, modifications, and preventative maintenance on buildings and facilities, equipment, fixtures, and systems.
• Troubleshoots, repairs, and maintains facility systems.
• Performs work based on dispatched service or daily/weekly work schedules.
• Reviews work as required to document specific needs (materials, supplies, instructions, etc).
• Assists in the movement of furniture, materials, and equipment as required.
• Performs all work in accordance with established safety procedures.
• Works with or oversees subcontractor activities as directed by supervisor or work schedule.
• Perform all other position related duties as assigned or requested.

• High school diploma or demonstrated equivalent.
• 3 years of experience in an area of specialization.
• 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 overtime, various shifts, weekends, holidays and alternative work schedules.

• Associate's degree in industrial technology or certificate from an industrial electrical course.
• Experience working as a licensed electrician.
• Knowledge of lighting, lighting control and commercial systems.
• Experience installing rigid conduit and EMT up to 3 inches.
• Working knowledge of NEC, sizing wire and transformers, calculating conduit fill.
• Experience troubleshooting and replacing 3-phase motors up to 60hp.
• Experience with a CMMS or Maintenance Management System (e.g., Maximo, MP2, etc.).
• NFPA-70E training preferred.
• Must be willing to work overtime and on holidays and weekends.

28-32 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.

• 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

Amentum is a proud 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.

Original Posting: 05/18/2026 - Until Filled