Shop Mechanic

Longhorn Energy; Williston (ND); On-site; USD 45,000 - 65,000; Full time

Job summary

Longhorn Energy in Williston, ND is seeking a Shop Mechanic to diagnose, repair, and maintain heavy oil and gas equipment critical to our operations.

You will service excavators, cranes, forklifts, and tractors, troubleshoot electrical, hydraulic, and transmission systems, perform welding and fabrication, and maintain accurate service records while adhering to OEM standards and safety protocols.

Qualifications

• Experience inspecting, diagnosing, and repairing heavy equipment used in oil and gas.
• Proficient in diesel engine diagnostics and repairs, brakes, hydraulics, and transmissions.
• Skilled in fabrication, welding, soldering, and interpreting schematics.
• Ability to follow OEM standards and maintain detailed service records.

Responsibilities

• Inspect and service excavators, cranes, forklifts, and tractors.
• Diagnose electrical, hydraulic, and HVAC systems; perform repairs.
• Fabricate parts and weld components as needed.
• Assist with heavy lifting and crane/forklift operations.

Skills

Diesel diagnostics

Electrical diagnostics

Hydraulics

Fabrication/welding

Heavy equipment knowledge

Education

Trade certification in diesel mechanics

Tools

Diesel diagnostics tools

Electrical testing equipment

Welding equipment

Job description

Williston, United States | Posted on 07/29/2026

Join our vibrant team as a Shop Mechanic focused on Oil & Gas equipment, where your skills will ensure the seamless operation of essential machinery. In this position, you will be tasked with diagnosing, repairing, and maintaining an array of heavy equipment and industrial machinery utilized in the oil and gas sector. Your practical expertise and mechanical acumen will play a vital role in enhancing operational efficiency, safety, and productivity at the worksite. We prioritize a supportive atmosphere that champions safety, innovation, and ongoing professional development.

Requirements

In this role, you will conduct thorough inspections, diagnostics, and repairs on various construction machinery and heavy equipment, including excavators, cranes, forklifts, and tractors. You will troubleshoot electrical systems, hydraulics, transmissions, brakes, suspensions, and HVAC components to accurately identify and resolve issues. Additionally, you will engage in fabrication tasks such as welding, soldering, and assembling parts to ensure the durability and reliability of equipment. Maintaining detailed service records and interpreting schematics will be essential, as will ensuring that all repairs comply with OEM standards. You will utilize both power and hand tools to perform repairs with precision while strictly following safety protocols. Routine maintenance on farm machinery, construction equipment, and heavy-duty trucks will also be part of your responsibilities, aimed at maximizing operational uptime. Furthermore, you will assist with heavy lifting operations, employing appropriate skills in crane or forklift handling.

Candidates should possess proven experience as a shop mechanic, particularly with heavy construction machinery or industrial equipment in the oil and gas industry or related fields. A strong foundation in diesel engine diagnostics and repair is essential, including expertise in troubleshooting air brakes, transmissions, suspensions, and hydraulic systems. Familiarity with electrical diagnostics for complex systems across various machinery types is also required, along with experience in fabrication techniques such as welding.