Machine Service Supervisor

Quinn Company, your local Caterpillar dealer
City of Industry, California
$84,544 – $118,000

Are you a service‑driven leader who thrives in a fast‑paced field environment? Do you enjoy supporting technicians, solving customer issues, and ensuring repairs are completed safely, accurately, and on time?

Quinn Company — one of the top‑performing Caterpillar dealers in the world — is hiring a Field Machine Service Supervisor in City of Industry, California. In this leadership role, you will oversee field technicians, coordinate repair schedules, support customer needs, and ensure high‑quality service delivery. You will partner closely with Service Managers and Coordinators while representing Quinn’s commitment to customer satisfaction and operational excellence.

Founded in 1919, Quinn Company sells, services, and rents a full line of construction, agricultural, and material handling equipment, along with diesel and natural gas engines. As a Caterpillar dealer, Quinn combines local agility with the global support of a Fortune 50 organization.

Compensation & Financial Future

• Competitive salary
• Quinn’s Profit Sharing Program
• 401(k) Plan with Company Match

Comprehensive Health & Wellness

• Medical, Dental, and Vision Plans
• Health & Dependent Care Flexible Spending Accounts
• Employee Assistance & Wellness Programs

Work-Life Balance & Security

• Holidays, Vacation Pay, and Sick Pay
• Life & Accident Insurance
• Long‑Term Disability Insurance

Career Growth & Support

• Cross‑divisional advancement opportunities
• Employee recognition programs
• Federal Credit Union membership

Ready to lead a high‑performing field service team?

Join Quinn Company and help customers keep their equipment running safely and efficiently.

Your Mission, Should You Choose to Accept It:

• Lead Field Technicians: Manage technicians daily, ensuring timely arrival to jobs and consistent communication with customers.
• Partner With HR: Collaborate with your assigned HR representative on employee relations and workforce development initiatives.
• Support Repair Estimates: Work with Service Coordinators to provide accurate time and cost estimates for repairs.
• Review and Validate Work Orders: Ensure Coordinators receive complete, properly documented work orders capturing all parts and labor.
• Develop Technician Skills: Make sure technicians are properly trained, equipped, and tooled for current and future Caterpillar products.
• Support Performance Reviews: Complete or assist Service Managers with technician reviews using the PADS process.
• Manage Service Vehicles: Oversee maintenance, repairs, cleanliness, and professional presentation of service vehicles.
• Prioritize Safety: Promote a Safety First culture, maintain a safe work environment, and complete injury reports promptly.
• Communicate Clearly: Provide timely updates to customers on repair progress and equipment status.
• Serve as Acting Manager: Step in as interim Service Manager during absences.
• Use Technology Effectively: Maintain proficiency in Microsoft Word, Excel, and PowerPoint.
• Live the Quinn Values: Demonstrate Integrity, Teamwork, Respect, Quality, and Service in all interactions.

• Associate’s degree in Business or a Technical discipline
• 3–4 years of related industry experience and/or training, or an equivalent combination of experience and education
• Supervisory experience required
• Strong computer skills and general mechanical service abilities
• Excellent communication, problem‑solving, and leadership skills
• Ability to support technicians and customers in a fast‑moving field environment