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Mechanical Maintenance Technician III – 3rd shift
full-timeUnited States$0k - $0k

Summary

Location

United States

Salary

$0k - $0k

Type

full-time

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About this role

Amentum is seeking a Mechanical Maintenance Technician III to join our team in East Peoria, IL! 

  • Typical work schedule is Monday – Friday 10:30pm – 07:00am; hours may vary based on business demand.
  • Rotating weekends on call hours will be scheduled to support our client.

The Mechanical Maintenance Technician is responsible for maintaining the company’s buildings, facilities, and equipment in an operating and functional condition. Duties may include any of the following: mechanical repairs or installations, plumbing, welding, carpentry, 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.
  • Perform all other position-related duties as assigned or requested.
  • Able to diagnose and troubleshoot pumps, compressors, valves, fans, bearings, etc. 
  • Ability to weld and fabricate.
  • Understanding of alignment tools for proper installation of pumps and motors. 
  • Strong mechanical/electrical skills, including the ability to work safely with 3-phase power up to and including 480V

Minimum Requirements:

  • High School graduate or demonstrated equivalent.
  • 3 years of experience in area of specialization
  • Ability to work on an aerial lift or scissors lift 30ft or higher

Additional Information:

  • 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 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 ladders, 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. 
  • 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.

Other Attributes:

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

       

Compensation Details:

$24.32 to $34.77

       

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:

01/28/2026 - 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.

Other facts

Tech stack
Mechanical Repairs,Plumbing,Welding,Carpentry,HVAC Maintenance,Sheet Metal Work,Troubleshooting Pumps,Troubleshooting Compressors,Troubleshooting Valves,Troubleshooting Fans,Troubleshooting Bearings,Fabrication,Motor Alignment,3-Phase Power (up to 480V),Aerial Lift Operation,Scissors Lift Operation

About Amentum

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.

Team size: 10,001+ employees
LinkedIn: Visit
Industry: Defense and Space Manufacturing

What you'll do

  • The Mechanical Maintenance Technician III is responsible for maintaining the company’s buildings, facilities, and equipment in operating and functional condition, which includes performing mechanical repairs, installations, plumbing, welding, carpentry, and general maintenance tasks like HVAC and sheet metal work. This role requires mastery of advanced technical duties, the ability to diagnose and troubleshoot various mechanical components such as pumps, compressors, and motors, and the skill to weld and fabricate.

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Frequently Asked Questions

What does Amentum pay for a Mechanical Maintenance Technician III – 3rd shift?

Amentum offers a competitive compensation package for the Mechanical Maintenance Technician III – 3rd shift role. The salary range is USD 0k - 0k per year. Apply through Clera to learn more about the full compensation details.

What does a Mechanical Maintenance Technician III – 3rd shift do at Amentum?

As a Mechanical Maintenance Technician III – 3rd shift at Amentum, you will: the Mechanical Maintenance Technician III is responsible for maintaining the company’s buildings, facilities, and equipment in operating and functional condition, which includes performing mechanical repairs, installations, plumbing, welding, carpentry, and general maintenance tasks like HVAC and sheet metal work. This role requires mastery of advanced technical duties, the ability to diagnose and troubleshoot various mechanical components such as pumps, compressors, and motors, and the skill to weld and fabricate..

Why join Amentum as a Mechanical Maintenance Technician III – 3rd shift?

Amentum is a leading Defense and Space Manufacturing company. The Mechanical Maintenance Technician III – 3rd shift role offers competitive compensation.

Is the Mechanical Maintenance Technician III – 3rd shift position at Amentum remote?

The Mechanical Maintenance Technician III – 3rd shift position at Amentum is based in United States, United States. Contact the company through Clera for specific work arrangement details.

How do I apply for the Mechanical Maintenance Technician III – 3rd shift position at Amentum?

You can apply for the Mechanical Maintenance Technician III – 3rd shift position at Amentum directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about Amentum on their website.