Diesel Shop Foreman: Lead Mechanics & Operations

Hirschbach; Indianapolis (IN); On-site; USD 85,000 - 100,000; Full time

Benefits offered by this job

PTO on hire

Health, dental, vision

401(k)

Disability and life insurance

Bonus incentives

Job summary

Hirschbach Motor Lines seeks a seasoned diesel shop supervisor to oversee daily shop operations, lead diesel mechanics, and ensure top safety and quality standards. You will diagnose and repair heavy-duty trucks, manage parts and maintenance schedules, and mentor junior staff. Strong leadership and communication are essential.

Join a veteran, growth-oriented carrier known for reliability and strong values. Competitive pay, bonus incentives, and a comprehensive benefits package accompany this

Qualifications

• 5+ years of diesel mechanic experience, with at least 1–2 years in a leadership or supervisory role.
• Strong diagnostic skills and deep knowledge of diesel engines, electrical systems, brakes, and trailer systems.
• Comfortable with shop software, repair tracking tools, and basic computer tasks.
• DOT, OSHA, and safety compliance knowledge.
• A team-focused, can-do attitude—you motivate others and lead by example.
• Ability to multitask, prioritize repairs, and stay cool under pressure.

Responsibilities

• Oversee daily shop operations—prioritize workloads, assign tasks, and keep repair timelines on track.
• Lead a team of diesel mechanics, offering guidance, coaching, and support to ensure quality work.
• Inspect, diagnose, and repair heavy-duty diesel trucks and trailers, setting the standard for performance.
• Monitor preventative maintenance schedules and emergency repairs.
• Order parts, manage inventory, and track repair costs to stay efficient and budget-conscious.
• Ensure safety compliance and uphold high standards in all repairs and procedures.
• Communicate with drivers, dispatch, and leadership; act as bridge between shop and road.
• Train and mentor new mechanics to develop the next generation of diesel pros.

Skills

Diesel engine knowledge

Leadership experience

Diagnostics

MS Office

English language proficiency

Tools

Cummins Insite

Bendex toolbox

Diamond logic builder

Job description

Hirschbach Motor Lines seeks a seasoned diesel shop supervisor to oversee daily shop operations, lead diesel mechanics, and ensure top safety and quality standards. You will diagnose and repair heavy-duty trucks, manage parts and maintenance schedules, and mentor junior staff. Strong leadership and communication are essential.

Join a veteran, growth-oriented carrier known for reliability and strong values. Competitive pay, bonus incentives, and a comprehensive benefits package accompany this