Field Service Technician

Field Service Technician – Heavy-Duty Trucks & Equipment

Full-Time

Field-Based

Interstate Power Systems

Interstate Power Systems is seeking a skilled and self‑motivated Field Service Technician to join our team in Gillette, Wyoming. This role is responsible for diagnosing, repairing, and maintaining a wide range of heavy‑duty equipment, including over‑the‑road trucks, heavy equipment, workover rigs, frac equipment, and generators. This is a field‑based position, ideal for a technician who enjoys working independently, communicating directly with customers, and performing hands‑on work in real‑world environments.

Most workdays will begin from home, traveling directly to customer sites.

• Diagnose, repair, and maintain heavy‑duty trucks, over‑the‑road equipment, workover rigs, frac equipment, generators, and related machinery.
• Perform routine and preventative maintenance to ensure equipment safety, reliability, and uptime.
• Troubleshoot mechanical, hydraulic, and electrical systems efficiently in the field.
• Accurately document service work, including labor hours, parts used, and detailed repair notes.
• Communicate clearly and professionally with customers and internal teams regarding equipment status, repair timelines, and service recommendations.
• Work safely and comply with all company and regulatory safety standards while in the field.
• Manage tools, service parts, and inventory to ensure readiness for daily service calls.
• Travel to customer locations throughout the Gillette and surrounding areas as required.

Required

• High school diploma or equivalent; technical or vocational training in diesel mechanics, heavy equipment repair, or a related field preferred.
• Minimum of 3 years of hands‑on field service experience working on heavy equipment and trucks.
• Documented field experience working on equipment, over‑the‑road trucks, mining equipment, and fracking (frac) equipment.
• Strong mechanical aptitude with the ability to diagnose and repair complex systems.
• Valid driver’s license with a good driving record.
• Ability to work independently with minimal supervision in a field environment.
• Strong communication skills with the ability to interact professionally with customers and internal teams.
• Excellent problem‑solving skills and attention to detail.
• Willingness to work outdoors in varying weather conditions and respond to emergency or after‑hours service calls as needed.

Preferred

• Experience working on MTU engines, Allison Transmissions, and/or Detroit Diesel, and mining products.
• ASE or manufacturer‑specific certifications.
• Familiarity with hydraulic and electrical systems related to frac equipment and workover rigs.
• Field‑based role with work performed at customer sites in and around Gillette, Wyoming.
• Technicians typically start their workday from home.
• Outdoor work in varying weather conditions with possible overtime or on‑call schedules.

• Company‑supplied uniforms
• Tuition assistance for continued education and career growth
• Medical, dental, and vision insurance (effective the first of the month following hire)
• Paid Time Off (PTO) accrues starting day one
• 401(k) with company match
• Company‑paid short‑term and long‑term disability
• Company‑paid life insurance
• Healthiest You virtual healthcare (paid by Interstate)
  PPE reimbursement (safety glasses and boots)
• Pet insurance options
• Employee discounts on products and services
• Employee Assistance Program (24/7 confidential support)
• Paid health and well‑being screenings for employees and spouses

Interstate Power Systems is an Equal Opportunity Employer, and we encourage all qualified individuals to apply.