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Oil & Gas Operations & Maintenance
21000170 Requisition #
528 Total Views

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The Heavy Duty Mechanic is responsible for diagnosing, repairing, and maintaining heavy vehicles and construction equipment. This position may supervise apprentice workers preforming repairs. 




  • Inspect heavy vehicles and equipment to diagnose malfunctions.
  • Repair heavy construction vehicles and equipment such as bulldozers, cranes, dump trucks, front-end loaders, motor graders, tractor-trailers, vac trailers, water trucks, aerial lifts, skid steers, snow blowers, and other heavy equipment based on inspection and direction from supervisors.
  • Adjust, repair, and replace the following: engines, transmissions, fuel systems, hydraulic systems, Centrifugal pumps, electrical systems, brakes, suspension, and steering.
  • Disassemble and reassemble vehicle and equipment parts using hoists, hand tools, pneumatic tools, and electric tools.
  • Perform routine maintenance on vehicles and equipment, including lube, oil, and filter changes in accordance with maintenance schedules.
  • Operate vehicles and equipment to diagnose issues and test drive after repairs are complete to ensure issue(s) have been resolved.
  • Clean and maintain equipment, tools, and the general work area.
  • Prepare and maintain inventory of supplies and equipment.
  • Other duties will be assigned to this position as needs require.
  • Comply with Company and customer policies and procedures.
  • Support AES zero-incident safety culture and assume personal accountability and responsibility for safe work practices in all projects, activities, and operations.




  • High School Diploma or GED.
  • Must have a minimum of three (3) years’ experience troubleshooting and repairing CAT and/or Cummins equipment.
  • Knowledge of Cat and/or Cummins Aftertreatment Systems.
  • Excellent understanding of Cummins INSITE and/or Cat ET diagnostic program required.
  • Able and willing to work alone and unsupervised as well as work in a team setting.
  • Must provide own tools.
  • Must have a valid driver’s license



  • Valid Class A CDL.
  • Experience in the oil and gas industry and in the arctic environment 
  • Experience repairing Caterpillar, Cummins, Genie, Kenworth, and Peterbilt equipment.



Note to all current employees: 
It is recommended that all current employees inform their managers when they apply for new positions as leadership will be notified of current employees applying for posted positions. 



A candidate must be able to meet the following non-exclusive requirements:                                                               

  • Meet the AES Driving Records and Motor Vehicle Use Policy.
  • Meet the physical requirements of this position including working in a remote location under arctic conditions.
  • Take and pass a pre-employment drug test which may include both UA and hair testing.
  • Required to take and pass a Fit-For-Duty Exam.
  • Required to complete and successfully pass a background check.
  • Must be able to obtain and maintain an access badge for the work location.



The availability of this position is contingent upon the Company’s continued operational needs once training is completed.


If you need any assistance or a reasonable accommodation to apply for this position, please contact AES Human Resources at: 907-334-1688

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