Diesel Mechanic

Fortis College; West Mifflin (Allegheny County); Hybrid; USD 55,000 - 75,000; Full time

Job summary

Fortis College is seeking an experienced Diesel Mechanic for its ASC Pittsburgh location. You will diagnose, repair, and maintain Class 6–8 trucks, using laptop-based tools to run regens, monitor live data, and clear fault codes.

Responsibilities include emissions system service, preventive maintenance, and thorough documentation of work orders. The role requires 2+ years in diesel repair, ASE diesel certifications a plus, and a valid CDL preferred.

Qualifications

• 2+ years of professional experience as a Diesel Mechanic on Class 6–8 trucks.
• Experience with laptop-based diagnostic tools to run regens and clear fault codes.
• ASE Diesel certifications are a plus; CDL is preferred.

Responsibilities

• Access computer diagnostics and perform forced Regens on diesel engines.
• Maintain emissions systems including DPF, SCR, DEF dosing and EGR valves.
• Perform engine, transmission, brake, suspension, and electrical repairs.
• Conduct preventive maintenance and DOT safety inspections.
• Troubleshoot complex mechanical/electrical/hydraulic issues and document findings.

Skills

Diesel mechanic

Diagnostic tools

Physical stamina

Manual dexterity

Team collaboration

Education

ASE Diesel Certifications (T2–T8)

Tools

Cummins Insite

Detroit DDDL

CAT ET

Volvo PTT

Job description

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Requisition Number

26071

Location

ASC Pittsburgh

Job Description

Key Responsibilities

• Have the ability to access Computer Diagnostics & Regens: Connect laptop-based diagnostic software (e.g., Cummins Insite, Detroit DDDL, CAT ET, Volvo PTT) to identify fault codes, perform forced Diesel Particulate Filter (DPF) regenerations, clear codes, and parameterize Engine Control Modules (ECMs).
• Emissions System Maintenance: Inspect, service, and repair diesel aftertreatment systems, including DPFs, Selective Catalytic Reduction (SCR) systems, DEF dosing units, and EGR valves.
• Mechanical Maintenance & Repair: Perform complete maintenance and repairs on engines, transmissions, brake systems (air/hydraulic), suspensions, steering mechanisms, and electrical systems.
• Preventative Maintenance: Conduct scheduled PM inspections, oil/filter changes, fluid flushes, and DOT safety inspections to keep the fleet running efficiently.
• Troubleshooting: Diagnose complex mechanical, electrical, and hydraulic issues, evaluating root causes to minimize vehicle downtime.
• Documentation: Accurate tracking of all service orders, parts utilized, and diagnostic findings within the shop management system.

Key Qualifications

• Experience: 2+ years of professional experience as a Diesel Mechanic working on Class 6–8 trucks.
• Diagnostic Tool Proficiency: Proven experience utilizing diagnostic laptops/scanners to run forced regens, monitor live data, and clear active/inactive fault codes.
• Certifications: ASE Diesel Certifications (T2–T8) are a plus.
• Licensing: Valid driver’s license required; Commercial Driver’s License (CDL Class A or B) preferred.
• Tools: Must own a personal set of basic mechanics hand tools and specialty diagnostic equipment.
• Physical Requirements: Ability to lift up to 50–75 lbs, stand for long periods, and work in shop environments.

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