Under varying levels of supervision, the Equipment Mechanic I/II/III performs a wide range of maintenance, diagnostic, and repair work on gasoline- and diesel-powered vehicles and heavy equipment, including trucks, graders, dozers, and other public works machinery. Responsibilities include inspecting, servicing, and overhauling equipment to ensure safe and efficient operation, as well as maintaining accurate records and adhering to preventive maintenance schedules.
As incumbents progress through the series, duties increase in complexity and independence—from performing basic maintenance and assisting with repairs at the entry level to diagnosing complex mechanical issues, completing major overhauls, and providing lead direction and training at the advanced level. This role is essential to maintaining the County’s fleet and supporting critical public services.
The Ideal Candidate
The ideal candidate is a mechanically skilled and safety-conscious professional with a strong work ethic and a commitment to maintaining reliable equipment and fleet operations. They possess solid troubleshooting abilities and the technical knowledge to diagnose and repair a variety of automotive and heavy equipment systems.
This individual is detail-oriented and dependable, capable of working both independently and as part of a team in a fast-paced, hands-on environment. They demonstrate a willingness to learn and grow, particularly at the entry level, while more experienced candidates bring advanced diagnostic skills, certifications, and the ability to manage complex repair work with minimal supervision.
Successful candidates are adaptable and resilient, comfortable working in physically demanding and outdoor environments, and committed to following safety practices. At the advanced level, the ideal candidate also demonstrates leadership abilities, including mentoring staff, providing training, and supporting efficient shop operations.
Department Overview
The Fleet Maintenance Division supports the County’s Public Works and other departments by ensuring that vehicles and equipment are safe, reliable, and operational. The division is responsible for the maintenance, repair, and lifecycle management of a diverse fleet that supports road maintenance, emergency response, and essential public services.
Staff work in a dynamic, hands-on environment that requires technical expertise, teamwork, and a strong commitment to safety. The division plays a critical role in minimizing downtime, extending equipment life, and supporting efficient County operations. Through preventative maintenance, skilled repair work, and continuous improvement, the Fleet Maintenance Division helps keep County services running smoothly and effectively.
Mono County, California's Great BeyondMono County offers the opportunity to make a meaningful impact through public service while enjoying an exceptional quality of life. As a small, collaborative county organization, employees work closely with leadership, take on diverse responsibilities, and see the direct results of their work in the community.
What employees value about working at Mono County: Employees appreciate Mono County’s location and lifestyle benefits, strong benefits package (including CalPERS retirement and health coverage), collaborative teams, and the opportunity to make a direct impact in public service. Our smaller, close-knit work environment fosters meaningful connections and supports work–life balance.
The RegionMono County is a rural region with a dynamic community of 13,000 residents located in the eastern side of California’s Sierra Nevada range. Development is increasing in the area due to the consistent growth of the town of Mammoth Lakes. Known as “California’s Great Beyond” this natural playground offers a complete range of amenities and activities making it an ideal place to live and work. Enjoy fine shops, restaurants, and cafes. Snowboard, ski, or bike down mountain trails, fish for trout, explore the backcountry, play a round of golf, relax in soothing hot springs, or paddle a kayak along the shores of Mono Lake.
The town of Mammoth Lakes is the most populated region of Mono County, hosting Mammoth Mountain Ski area and various resort-community amenities. On the quieter side, June Lake, Lee Vining, Bridgeport, Walker, Coleville, Chalfant, and Benton offer a more rural atmosphere, unlimited outdoor adventures, and small-town charm.
Mono County, California’s Eastern Sierra- Retirement: CalPERS retirement and 457/401(a) Plans available.
- Medical:CalPERS health plans
- Dental & Vision
- Generous vacation and sick pay
- Discounted gym membership
Click the benefits tab to see full details.
Training and Experience:
Any combination of training and experience which would provide the required knowledge and abilities is qualifying. A typical way to obtain the required knowledge and abilities might be:
Equipment Mechanic I:
Two (2) years of experience as an automotive mechanic.
Special Requirements:
• Possession of a driver’s license valid in California.
• Ability to obtain a Class B driver’s license valid in California
Equipment Mechanic II:
Three (3) years of increasingly responsible experience as an Equipment Mechanic I. ASE Certifications within the Automotive and/or Medium-Heavy Truck Series or equivalent is highly desirable in conjunction with a working knowledge of Heavy Equipment repair and maintenance.
Special Requirements:
• Possession of a driver’s license valid in California.
• Possession of certification in at least one area of equipment repair specialty.
• Possession of a Class B driver’s license valid in California.
Equipment Mechanic III:
Three (3) years of increasingly responsible experience as an Equipment Mechanic II.
ASE Master Technician Certification in the Automotive and/or Medium-Heavy Truck Series or equivalent is highly desirable in conjunction with an advanced working knowledge of Heavy Equipment repair and maintenance.
Special Requirements:
• Possession of a driver’s license valid in California.
• Possession of various certifications towards the Master Mechanic certification or equivalent.
• Possession of a Class B driver’s license valid in California.
