Guardian Mobile Service Manager

Vanguard Truck Centers•Williamsport, MD

2d•$60,000 - $65,000

About The Position

The Mobile Diesel Service Manager leads and oversees mobile service operations, ensuring efficient delivery of on-site maintenance and repair services for customer equipment. The role manages mobile diesel technicians, coordinates scheduling and dispatch, maintains safety and compliance standards, and drives customer satisfaction while supporting company profitability and operational goals. The manager is the primary leader for field service operations, ensuring timely repairs, high-quality workmanship, and strong communication among customers, technicians, parts, and service departments. The position is with Vanguard Truck Centers, which owns and operates full-service commercial truck centers across the United States. The company describes its mission as leading the industry in consistently meeting or exceeding customer expectations while pursuing profitable growth. Its stated values include protecting integrity, promoting ingenuity, developing people, and pursuing excellence.

Requirements

High school diploma or equivalent.
At least 5 years of diesel service experience; demonstrated leadership or supervisory experience is preferred.
Strong understanding of heavy-duty truck systems, including engines, aftertreatment systems, electrical diagnostics, and preventive maintenance practices.
Valid driver’s license.
Leadership and team development skills.
Operational planning and scheduling skills.
Customer service skills.
Financial and productivity management skills.
Technical diesel knowledge.
Safety leadership skills.
Effective communication and conflict resolution skills.

Nice To Haves

Technical or diesel technology education.
Demonstrated leadership or supervisory experience.
At least 3 years of experience in a diesel service manager role or as a foreman managing field service or mobile repair operations; highly preferred.
CDL.

Responsibilities

Manage daily mobile diesel service department operations, including scheduling, dispatching, and prioritizing service calls to maximize technician productivity and response time.
Supervise, coach, and develop mobile diesel technicians to ensure compliance with company standards, safety procedures, and quality expectations.
Conduct performance evaluations, provide training support, and promote technicians’ ongoing technical development.
Ensure mobile service repairs, preventive maintenance, and diagnostics are completed accurately and efficiently in accordance with manufacturer and company guidelines.
Serve as the primary contact for mobile service customers, address service concerns, manage expectations, and maintain customer relationships.
Monitor work order accuracy, labor efficiency, recovery rates, and billing practices to support profitability and proper documentation.
Coordinate with Parts, Service Advisors, Leasing, and Operations to ensure technicians have appropriate tools, parts, and service information.
Maintain compliance with DOT regulations, environmental standards, and company safety policies, and promote a strong field safety culture.
Oversee mobile service vehicle maintenance, tooling, inventory control, and equipment readiness.
Review department performance metrics and implement process improvements to increase efficiency, revenue growth, and customer uptime.
Support recruiting, onboarding, and retention of mobile diesel technicians.