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Mechanical Maintenance Tech IV

Amentum

Company : Amentum

Location : Decatur, IL, 62526

Posted Date : 25 October 2025

Job Type : Other

Category : Installation & Maintenance

Occupation : Maintenance

Job Details

Mechanical Maintenance Tech IV

Amentum is seeking an advanced Mechanical Maintenance Technician IV for our 2nd shift industrial maintenance team in Decatur, IL!

Typical work schedule is 2:00pm - 10:30pm; hours may vary based on business demand.

This maintenance mechanic is responsible for providing an advanced level of expertise in responding to work orders, troubleshooting, and providing preventive and corrective maintenance on the facility mechanical equipment and systems in an industrial manufacturing environment.

Must have the ability to diagnose and troubleshoot ventilation equipment, pumps, fans, etc. in an industrial environment. Strong mechanical and welding skills are required. Must demonstrate good written and verbal communication.

Mechanical Maintenance Technician 4 must have the ability to identify and correct any safety-related issues and perform independent equipment evaluations to identify potential equipment failures. General Maintenance of equipment will also be required.

Responsibilities:

  • Diagnoses, troubleshoots, and repairs facility mechanical systems; pneumatic and/or hydraulic systems.
  • Troubleshoots and repairs HVAC equipment, blowers, and fans.
  • Perform welding and fabrication, including building custom fixtures, fabricating brackets, and fabricating maintenance parts or "one off" parts. Performs maintenance on various welders as needed.
  • Troubleshoots and repairs commercial doors, including those made by Rytek, DoorMan, Mega Door, DynaCo Doors, and similar manufacturers.
  • Troubleshoots and repairs heat exchange equipment.
  • Performs basic pipefitting repairs.
  • Troubleshoots and repairs basic electrical issues.
  • Conducts preventive maintenance inspections and performs required preventive maintenance actions such as lubrication, cleaning, filter changes, etc.
  • Assists in the movement of machines/fixtures, materials, and equipment as required.
  • Performs preventive maintenance 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
  • Understands company policies and enforces safety regulations.
  • 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.
  • 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:

  • High school diploma or demonstrated equivalent.
  • Five 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.

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 ability and flexibility to bend/stoop, squat, move in a 90-degree fashion, stretch/reach repetitively throughout 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.
  • 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.

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.

Other Attributes:

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

Preferred Qualifications:

Associates degree or technical certification in industrial mechanical, HVAC, Electrical or related Facility Maintenance discipline. Welding certification.

Experience with building mechanical equipment operation, diagnostics and repairs. Experience performing preventive maintenance on facility related equipment. Experience performing pump repair, pipefitting, welding, fabrication, and millwright related work. Experience welding using MIG, TIG, and arc welders. Experience maintaining basic plumbing needs. Experience with basic electrical troubleshooting and repairs. Experience working in a CMMS environment.

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.

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