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Truck/trailer mechanic

Castle Oilfield Service
Williston, ND Full Time
POSTED ON 7/24/2026
AVAILABLE BEFORE 9/8/2026

Trailer Mechanic

Castle Oilfield Service/Stateline Service is a leading transportation and oilfield service company in the Williston Basin. We are looking for Qualified Heavy duty Diesel Mechanics and Shop Hands.

Responsibilities

  • Performing diagnosis for problems on various types of equipment; Tractors (Cummins, Cat), Vac tankers, Flatbeds, Belly/Side dumps, Crude oil trailers, Hot Oil trucks, Super Vacs.
  • Inspect equipment for mechanical and electrical components and wear/trouble spots
  • Performing routine and scheduled maintenance
  • Performing preventive maintenance inspections, including DOT annual inspections.
  • Keep records of repairs and schedule repairs to equipment
  • Communicate with managers/drivers on repairs needed.
  • Submit reports on work performed to management, including any defects, breaks, or damages
  • Follow all safety regulations and policies
  • Performing other related duties as needed

Experience and Qualifications

  • Valid drivers license.(CDL a ) and insurable driving record
  • Truck/trailer experience preferred.
  • Able to work weekends, holidays as needed.
  • Adhere to posted work schedule as well as open availability to working in the field when the need arises.
  • A minimum of 2 years’ experience in Truck/trailer repair preferred.
  • High school diploma or equivalent from an accredited institution.
  • Must be able to communicate in english

Job Type: Full-time

Pay: $50,000.00 - $100,000.00 per year

Benefits:

  • 401(k)
  • Dental insurance
  • Health insurance
  • Life insurance
  • Vision insurance

Experience:

  • Mechanical knowledge: 2 years (Preferred)

Location:

  • Williston, ND 58801 (Preferred)

Ability to Commute:

  • Williston, ND 58801 (Preferred)

Job-related location requirement:

  • Candidates must be within a 25-mile radius.

Work Location: In person

Salary : $50,000 - $100,000

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