Job Description

Job Title: Field Service Technician – Heavy-Duty Trucks & Equipment
Employment Type: Full-Time
Work Location: Field-Based
Company: 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, fracturing (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.

Key Responsibilities

• 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.

Qualifications

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.

Work Environment

• 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.

Employee Benefits

• Competitive wages – Be paid your worth!
• Company-supplied uniforms
• Tool program available
• 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
• 6 paid holidays plus 2 floating holidays
• 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

This job description is not intended to be a comprehensive list of duties. Responsibilities and duties may change at any time with or without notice.

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

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