Power Systems Shop/Field Master Tech

Wyoming Rents, LLC; Casper (WY); On-site; USD 50,000 - 70,000; Full time

Job summary

Wyoming Rents, LLC in Casper is seeking a qualified technician to perform diesel and natural gas engine diagnostics, maintenance, and repair. The role requires a high school education or equivalent, along with a certificate from a technical school. Successful candidates should have strong problem-solving skills and the ability to work independently. Responsibilities include advanced troubleshooting, performing preventative maintenance, and ensuring compliance with safety standards. The position offers opportunities for professional development and a supportive working environment.

Qualifications

• Minimum of a Certificate from a Tech school or equivalent work experience.
• Knowledgeable in various areas, including gearing, bearings, seals, diesel, and hydraulics.
• Able to read and understand English, including schematics and manuals.

Responsibilities

• Perform advanced troubleshooting on diesel and natural gas engines using OEM diagnostic tools.
• Conduct scheduled preventative maintenance on engines and generators.
• Install and test generator sets and ATS units.

Skills

Proficient in diesel and/or natural gas engine repair and diagnostics

Strong problem-solving skills

Effective communication skills

Knowledge of electrical systems and power generation

Ability to work independently or in a team

Education

High school education or equivalent

Certificate from a Tech school or equivalent work experience

Tools

OEM diagnostic software

CAT ET

Job description

Casper, 5300 W Old Yellowstone Hwy, PO Box 2335, Casper, WY 82604, USA

Essential Functions

• Diagnostics & Troubleshooting
  • Perform advanced troubleshooting on diesel, natural gas, and dual-fuel engines using OEM diagnostic software and precision tools.
  • Diagnose faults in electrical, mechanical, fuel, cooling, lubrication, and emission control systems.
  • Inspect and test components such as alternators, automatic transfer switches (ATS), controllers, switchgear, batteries, and wiring harnesses.
• Maintenance & Repair
  • Conduct scheduled preventative maintenance on engines, generators, and auxiliary systems.
  • Perform corrective repairs including overhauls, component replacements, cooling system service, fuel system repair, and emissions aftertreatment servicing.
  • Execute load bank testing to verify unit performance.
  • Conduct engine rebuilds, top-end and bottom-end work, and critical torque procedures.
• Power Systems Support
  • Install, commission, and test generator sets, ATS units, paralleling systems, and control panels.
  • Perform electrical measurements such as voltage, current, and frequency.
  • Support system integration including communications, remote monitoring, and controls configuration.
  • Verify compliance with NFPA 70/110, OEM specifications, and facility requirements.
• Documentation & Reporting
  • Maintain accurate records of service work, parts usage, hours, and equipment condition.
  • Complete service reports, inspection checklists, and warranty documentation.
  • Communicate equipment status, repair recommendations, and risk assessments.
• Safety & Compliance
  • Follow all safety standards including LOTO, electrical safety, confined space, and hazardous material handling.
  • Ensure environmental compliance for fluid management, emissions, and waste disposal.
  • Participate in safety meetings, training, and continuous improvement.

Qualifications, Knowledge, Skills, Abilities

• General Qualifications
  • High school education or equivalent.
  • Minimum of a Certificate from a Tech school or equivalent work experience outlined in the Job Summary level.
  • Knowledgeable in various areas, including but not limited to gearing, bearings, seals, bushings, diesel and hydraulics.
  • Able to effectively use stationary and portable boring equipment and machine tools as well as multiple other types of tooling to meet specific job needs.
  • Understand and utilize tools for set up and layout work.
  • Able to read and understand English, to include parts books, service manuals, and electrical and hydraulic schematics. Must also have clear written and oral communication skills.
  • Safely rig or hook for lifting any part or component of a machine.
  • Ability to think and work through difficult projects or problems, and have mechanical aptitude.
  • Possess ability to learn Cat software systems and have basic PC skills.
  • Ability to safely operate motor vehicles and job‑related equipment.
• Technical Skills
  • Proficient in diesel and/or natural gas engine repair and diagnostics.
  • Knowledge of electrical systems and power generation principles.
  • Familiarity with OEM tools such as CAT ET.
• Personal Attributes
  • Strong problem‑solving skills.
  • Able to work independently or in a team.
  • Effective communication and time management skills.

Physical/Environmental Requirements

• Prolonged walking, sitting, and standing.
• Exposed to dirt, grease, dust, noise, and other elements within the work environment.
• Heavy lifting up to 50 lbs.
• Use of all necessary personal protective equipment.
• Work in elevated position, climbing, bending, stooping, and squatting.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities. This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.