Heavy Duty Mechanic

North Slope Position - 3 weeks on / 3 weeks off rotation.

We are seeking an experienced Heavy Duty Mechanic to maintain and repair heavy equipment, generators, and on-highway trucks supporting Arctic oilfield operations. The mechanic will be responsible for diagnosing, servicing, and overhauling equipment including Volvo loaders, John Deere and CAT machinery, diesel generators, Kenworth and Peterbilt semi-trucks, and specialized tundra vehicles. This role is critical to ensuring operational readiness and reliability in Prudhoe Bay’s extreme conditions.

Responsibilities

Essential functions will include:

• Diagnose, troubleshoot, and repair heavy equipment including Volvo loaders, John Deere graders/dozers, CAT excavators, and other construction/oilfield machinery.
• Perform engine overhauls, transmission rebuilds, and major component replacements.
• Service and maintain Kenworth and Peterbilt semi-trucks and trailers (brakes, driveline, suspension, hydraulics, electrical).
• Maintain and repair diesel generators (standby and continuous duty), including electrical, fuel, and control systems.
• Conduct electrical system diagnostics and repairs (wiring, alternators, starters, sensors, ECMs).
• Perform preventative maintenance inspections and scheduled service on all heavy-duty fleet assets.
• Use laptop-based and manufacturer-specific diagnostic software (Volvo VCADS, CAT ET, Cummins Insite, etc.).
• Document service, repairs, and parts usage in digital/app-based fleet management systems.
• Provide field support for breakdowns in remote Arctic locations, including on-site repairs during extreme weather.
  
  

Qualifications

Minimum Qualifications:

• Minimum 5 years of heavy-duty mechanic experience (oilfield or remote operations strongly preferred).
• Strong hands-on experience with Volvo, John Deere, CAT equipment, diesel generators, Kenworth and Peterbilt semi-trucks.
• Familiarity with PistenBully snowcats, Tucker SnoCats, and Sherp vehicles is a significant plus.
• Demonstrated ability to perform engine overhauls and advanced electrical diagnostics.
• Skilled in hydraulics, diesel fuel systems, driveline, and chassis repairs.
• Ability to read and interpret schematics, wiring diagrams, and service manuals.
• Welding and fabrication skills a plus.
• Valid driver’s license required; CDL Class A preferred.
• Must pass DOT drug/alcohol screening and remain compliant.
• Physically capable of lifting 100 lbs and working outdoors in –40°F Arctic conditions.
  
  

Work Schedule & Environment:

• 3 weeks on / 3 weeks off rotation.
• Flights covered between Anchorage (ANC) and Deadhorse (DH).
• Minimum 12-hour shifts, 7 days per week while on rotation.
• During rig moves and peak winter mobilizations, mechanics may be required to work 16–18 hour days.
• Remote Arctic shop and field environment; meals and lodging provided.
  
  

With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.