Senior Master Mechanic: Heavy Equipment Diagnostics Lead

Branch Civil; Chantilly (VA); On-site; USD 70,000 - 119,000; Full time

Job summary

Branch Civil is seeking an experienced Master Mechanic in Chantilly, VA to lead advanced diagnostics, major overhauls, and repairs of bulldozers, excavators, loaders, cranes, and haul trucks.

The role includes mentoring junior staff, ensuring safety compliance, and coordinating with field crews to minimize downtime while maintaining detailed service records and adherence to manufacturer specifications.

Qualifications

• High school diploma or equivalent; diesel/heavy equipment certification preferred.
• 8–10 years in heavy equipment repair with 3+ years at senior/lead level.
• Valid driver's license; CDL may be needed with hazmat and tanker endorsements depending on equipment.
• Ability to lift up to 75 lbs and work outdoors in varying weather.

Responsibilities

• Perform advanced diagnostics and troubleshooting of mechanical, hydraulic, pneumatic, and electrical systems on heavy equipment.
• Oversee major overhauls of engines, transmissions, final drives, undercarriages, and hydraulic systems.
• Fabricate, weld, and machine parts as needed for repairs.
• Maintain and interpret technical manuals, service bulletins, and schematics.
• Lead complex repair projects and coordinate with field crews to minimize downtime.
• Mentor and train junior mechanics, apprentices, and operators on equipment care.
• Maintain detailed service and repair records in company systems.
• Assist leadership with equipment life-cycle planning and upgrades.

Skills

Diagnostics

Senior leadership

Safety compliance

Mentoring

Heavy equipment knowledge

Education

High school diploma

Diesel/heavy equipment cert.

Tools

Caterpillar

Komatsu

John Deere

Volvo

Liebherr

Job description

Branch Civil is seeking an experienced Master Mechanic in Chantilly, VA to lead advanced diagnostics, major overhauls, and repairs of bulldozers, excavators, loaders, cranes, and haul trucks.

The role includes mentoring junior staff, ensuring safety compliance, and coordinating with field crews to minimize downtime while maintaining detailed service records and adherence to manufacturer specifications.