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Salary
≈ $57k – $111k per year (Estimated)
Location
In office (Rio de Janeiro)
Seniority
Senior · 5+ years exp
Visa
No sponsorship (stated in the posting)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 25, 2026. First seen by Alion on Oct 5, 2026. Amentum scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Amentum is a US government and critical infrastructure services contractor headquartered in Chantilly, Virginia, providing engineering, technical, mission support and operations services in defense, intelligence, space, energy and environment markets. It has about 50,000 employees in more than 70 countries, is listed on the New York Stock Exchange, and absorbed PAE in 2022 before combining with the Jacobs critical mission solutions business in 2024. Openings include aerospace, GN&C and reliability engineers, aircraft workers, database administrators, software engineers, biometric enrollment specialists and paralegals.

Amentum is seeking a General Maintenance Technician IV to join our operations & maintenance team.

This position will start as a three-month contract, with the potential for extension based on performance and evolving business needs. It offers an excellent opportunity to join the organization and potentially transition into a longer-term role with the team.

This General Maintenance Technician IV is responsible for providing an advanced level expertise in responding to work orders, troubleshooting, and providing preventive maintenance on the facility systems in a large industrial environment including clean rooms. Must be self-motivated and demonstrate the strong organizational/time management skills needed to be successful in this role.

Must have the ability to diagnose and troubleshoot industrial facility equipment and systems such as HVAC, Compressors, Chillers, robotics, pumps, bearings, blowers, fans, gearboxes, air handlers and other equipment as required. Perform all aspects of preventive and corrective electrical / mechanical maintenance on all facility related industrial systems including, but not limited to: HVAC, pneumatics, hydraulics, conveyor systems, filtration systems, and coolant systems.

The General Maintenance Technician IV 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:

  • 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.
  • A strong electrical skill set is required, including experience with control systems and 480V systems.
  • Prior experience with air compressors, air dryers and HVAC systems in a production setting are required.
  • Diagnoses, troubleshoots, maintains, and repairs HVAC machinery, cooling systems, pneumatic and/or hydraulic systems; conveyors; overhead cranes.
  • Conduct preventive maintenance inspections and perform required preventative maintenance actions such as lubrication, cleaning, filter changes, alignments, etc.
  • Performs preventive maintenance on process/production equipment as scheduled in the Computerized Maintenance Management System (CMMS).
  • Troubleshoots and repairs heat exchange equipment.
  • Able to weld and fabricate.
  • Performs plumbing and hydraulic hose repairs.
  • Troubleshoots and repairs electrical issues.
  • Safely operates fork-lifts, hoists and cranes.
  • Utilizes safe rigging and lifting techniques.
  • 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
  • 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.

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.
  • High school diploma or demonstrated equivalent.
  • Five years of maintenance experience in one of the following trades, or demonstrated equivalent combination of education and experience: Industrial HVAC/ Industrial Mechanical Machine Repair, or Automotive Repair.
  • Ability to work in an aerial lift or scissor lift at heights up to 30 feet or higher.
  • May require additional licensing per state regulations.

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.
  • Some tasks will require repetitive wrist movement.
  • Some tasks will require the ability to walk extensively throughout facilities during a workday.
  • Requires the ability to climb extension ladders, roof ladder, stepladders, and stairs as needed during a workday.
  • Requires the flexibility to bend/stoop, squat, kneel, reach/stretch, and move in a 90-degree fashion during workday.
  • Requires the ability to differentiate colors pertaining to wire color-coding.
  • Requires ability to read and understand information contained in a variety of documents or displayed on a computer screen.
  • Requires ability to use a variety of office equipment and to operate a computer keyboard to access data bases, to send/receive messages and to prepare documents.
  • Requires ability to attend meetings throughout the site and potentially travel to other Amentum, customer and/or vendor locations in the area, as well as some air travel to more distant locations.
  • Requires the ability to communicate with others on the telephone and in one-on-one or group discussions, meetings and presentations.
  • Demonstrated fluency in computer use including the full Microsoft product line.
  • Requires some moving of light to medium weight materials into desks, filing cabinets and other storage locations.
  • 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.
  • Work schedules can change based on critical business needs.

Preferred Qualifications:

  • Associates degree or trade school certification in Industrial Mechanical, HVAC, or a related field.
  • Experience working safely with 480 volt 3 phase electrical systems.
  • Experience troubleshooting and repairing industrial facility mechanical equipment, including vacuum systems and RO/DI water systems.
  • Experience troubleshooting and repairing large commercial or industrial HVAC/R equipment.
  • Experience maintaining basic plumbing needs.
  • Working knowledge of all types and kinds of hand and power tools, air measuring instruments, various refrigeration equipment, various electrical meters, meggers, and shop equipment.
  • Experience working in a CMMS environment.
  • Experience in leading or supervising a team of maintenance personnel.
  • Advanced PLC experience, including troubleshooting and making program changes, such as, but not limited to, Allen Bradley, PLC-5, 500, and/or RS-5000.
  • Experience diagnosing, troubleshooting, and repairing industrial systems such as heating units and HVAC equipment, conveyors, and coolant systems to OEM specifications.
  • Welding and Fabricating experience
  • Experience with alignments and timing machines using Precision calibration tools.
  • Experience diagnosing, troubleshooting, and repairing pumps, motors, gearboxes, supply and exhaust fans, power transmission components, hydraulic and pneumatic systems, including pneumatic handling systems.
  • Experience utilizing measurement tools such as micrometers, dial indicators, various type gauges, and calibers to set tolerances to OEM Specifications.

Compensation Details:

$31.00

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:

10/05/2026 - 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.

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