Senior Diesel & Heavy-Duty Diagnostics Tech

Actalent; San Francisco (CA); On-site; USD 80,000 - 95,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

401(k) match

Paid time off

Paid holidays

Employee referral program

Career growth opportunities

Job summary

Actalent in San Francisco, CA, is seeking a Service Technician III to lead advanced diagnostics and repair of complex heavy‑duty vehicle systems. The role requires mentoring junior technicians, supporting quality control, and traveling up to 70% to customer sites and vendor locations.

The ideal candidate has 5+ years of hands‑on experience with mechanical, hydraulic, electrical, and pneumatic systems on buses, trucks, and transit equipment, with proficiency in diagnostics software and safety

Qualifications

• 5+ years of service and repair experience in manufacturing, automotive, or equipment environment
• Expert knowledge of mechanical, hydraulic, electrical, and diagnostic systems on heavy‑duty vehicles
• Experience diagnosing electrical, mechanical, and pneumatic systems on heavy‑duty vehicles
• Experience with diesel powertrains; exposure to EV/hybrid/CNG powertrains beneficial
• Ability to lead complex service projects with minimal supervision
• Strong troubleshooting and problem-solving abilities
• Ability to read and interpret blueprints/electrical diagrams/technical manuals
• Proficiency with diagnostic software/tools for vehicle diagnostics
• Strong verbal and written communication skills
• Willingness to travel ~70%

Responsibilities

• Perform advanced troubleshooting and diagnostics on electrical, mechanical, hydraulic, and pneumatic systems for transit vehicles and other heavy‑duty equipment.
• Lead complex service and repair projects with minimal supervision, ensuring timely and high‑quality completion of all work.
• Calibrate, repair, and maintain critical system components and safety equipment to meet performance and safety standards.
• Provide remote and on‑site technical assistance to customers, field personnel, and internal teams to resolve complex service issues.
• Serve as a subject matter expert on products and systems, offering guidance on best practices and technical solutions.
• Mentor and train junior service technicians, including Service Technician I and II levels, to build technical capability and consistency across the team.
• Deliver technical training to external customers or internal production teams as needed to support proper use, maintenance, and repair of equipment.
• Complete, review, and submit service documentation accurately and thoroughly, ensuring all work performed is clearly recorded.
• Coordinate with engineering, production, and OEM partners to diagnose root causes, resolve service issues, and support product improvement initiatives.
• Travel regularly to customer sites, vendor locations, and company facilities, with approximately 70% travel.
• Maintain tools, diagnostic equipment, and service vehicles in safe, functional condition, and report issues promptly.
• Adhere to safety policies and regulations; promote safety across the team.
• Manage multiple tasks and projects, prioritizing effectively in a dynamic environment.

Skills

Heavy-duty vehicle diagnostics

Electrical systems

Diesel powertrains

EV/Hybrid/CNG powertrains

Project leadership

Mentoring/Training

Troubleshooting

Reading blueprints/diagrams

Technical communication

Travel readiness

Tools

Diagnostic software

Calibration tools

On-site service equipment

Job description

Actalent in San Francisco, CA, is seeking a Service Technician III to lead advanced diagnostics and repair of complex heavy‑duty vehicle systems. The role requires mentoring junior technicians, supporting quality control, and traveling up to 70% to customer sites and vendor locations.

The ideal candidate has 5+ years of hands‑on experience with mechanical, hydraulic, electrical, and pneumatic systems on buses, trucks, and transit equipment, with proficiency in diagnostics software and safety