Service Mechanic

Mt. Diablo Resource Recovery; Pittsburg, Northern (CA, KY); On-site; USD 55,000 - 75,000; Full time

Job summary

Mt. Diablo Resource Recovery is seeking a Service Mechanic to perform preventive maintenance on heavy equipment and to complete inspections per manuals. You will inspect brakes, hydraulic and electrical systems, diagnose issues, and perform light repairs as needed while documenting work and parts usage.

The ideal candidate has 1+ year of heavy equipment experience, a high school diploma or equivalent, and is comfortable with early-morning shifts; CDL is a plus but not required.

Qualifications

• High school diploma or equivalent required; trade school preferred.
• 1+ year of heavy equipment maintenance experience.
• Certificate or degree in a mechanical trade preferred.
• Experience with Cummins or Autocar systems a plus.
• Valid CDL preferred but not required.

Responsibilities

• Perform preventive maintenance per service inspections and manuals.
• Inspect brakes, hydraulics, and electrical systems for defects.
• Repair deficiencies found during PM inspections.
• Complete paperwork documenting parts usage and time
• Read vehicle condition reports and coordinate with supervisors.

Skills

Heavy equipment

Mechanical skills

Problem solving

Teamwork

Communication

Education

High school diploma or equivalent

Trade school certificate or degree

Tools

Cummins knowledge

Autocar knowledge

Job description

It takes a team of resourceful, enthusiastic, and dedicated people to create positive change. Working for Mt. Diablo Resource Recovery is more than a job; it’s a career that has an impact.

As the region’s Trusted + Proven + Essential community partner, we firmly believe in protecting our environment and preserving its natural resources. We are looking for motivated and flexible people to join our growing team. We value loyalty and recognize our employees’ hard work, and our competitive compensation and comprehensive benefits program reflect this.

Concord CA, Oakley CA, Pittsburg CA, Rio Vista CA

Job Summary:

As a Service Mechanic, you will be responsible for performing all preventive maintenance work and inspections, as per the training manual and checklist. In addition, you will need to perform light repairs on deficiencies found on the PM Inspection. This role demands a candidate who is skilled and well-versed in maintaining heavy equipment.

Essential Job Functions:

• Complete A, B, C, and D Services per Service Inspection Forms
• Inspect brakes and adjust as necessary
• Assess, test, troubleshoot, and repair air brake system (leaks and defective valves)
• Perform brake replacement
• Inspect lights and repair as needed
• Assess equipment/vehicle and identify any defects (oil leaks, cracks in the frame or supporting equipment, body, and cab)
• Grease all components with grease fittings
• Inspect cool hand and RH arm systems (Hydraulic leaks, worn components, bad hoses, etc.)
• Inspect all packer systems (Hydraulic leaks, worn components, bad hoses, etc.)
• Inspect front loader arms and forks, and the box tipper if equipped
• Inspect roll-off truck cable system and cylinders
• Inspect tires, loose lugs, mis-matched tires, and alignment
• Inspect engine for leaks, bad belts, misfires, and check engine lights
• Read and understand electrical wiring schematics
• Knowledge of all Diesel Exhaust technologies, diagnoses, service, and repair
• Ability to perform minor welding repairs when needed
• Complete paperwork associated with repairing equipment, documenting parts usage, and accounting for time
• Read and interpret vehicle condition reports and / or repair orders, communicate with supervisors and / or equipment operator for clarification of defects
• Follow all safety policies and procedures

Required Knowledge, Skills, and Abilities:

• You have ideally completed high school or equivalent
• You have a minimum of 1 year of prior experience as a technician working on heavy equipment, demonstrating the ability to service increasingly more challenging maintenance repairs
• Mechanical Trade School certificate or degree is preferred
• Previous Cummins and Autocar experience is a plus
• A valid Commercial Driver's License is preferred, but not required
• You maintain a basic knowledge of a vehicle's mechanical and electrical systems to perform basic preventive maintenance and some repair functions
• Complete applicable Company training programs
• You have the ability to communicate effectively with management and co-workers
• Being a team player is essential for this role. You must be willing to work well with others

Working Conditions:

• Ability to meet physical demands of the job in a safe and alert manner: frequent lifting, moving, climbing, stooping, kneeling, and proper utilization of PPE
• Availability to work different work schedules if needed; facilities operate from 3:00am – 12:00am
• Possible rotation to alternative work facilities as needed; Concord, Pittsburg, and Antioch

Working for Mt. Diablo Resource Recovery

Mt. Diablo Resource Recovery, a privately-owned and operated company, has decades of experience as a leader in the waste and material processing industry within Contra Costa and Solano County.

We are committed to quality service, innovative diversion programs, community investment, and excellent customer relations. We pride ourselves on delivering competitive pricing to every community we serve.

We maintain a clean, safe, and professional image in all aspects of our operations. We believe in treating our employees with respect and providing them with opportunities to succeed in their personal and professional endeavors.

We are an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, protected veteran status, genetic information, or any other characteristic protected by applicable law. For more information about your applicant rights,

We’re proud to share that we’ve been recognized with the 2026 Top Benefits Award from MPloyer , an industry-standard organization known for its rigorous evaluation of employee benefit programs.

This recognition reflects our ongoing commitment to putting our people first and delivering benefits that support them at work and in life.

Get to know Mt. Diablo Resource Recovery

Our History

News + Events

Our Values, Mission, and Vision

• We believe exceptional customer service and safety will never be compromised.
• We maintain a high attention to detail and uncompromising commitment to quality in all we do.
• We maintain a clean, safe, and professional image in all aspects of our operations.
• We value our relationships with vendors, professionals, and others that make our business successful.
• We support and respect our employees by providing opportunities for success in their personal and professional lives.
• We recognize and reward the contributions our employees make to the success of our company.
• We believe teamwork is critical to our success.