Diesel Mechanic & On‑Road Repair Expert

Sentinel Staffing Services; Greylingstad; On-site; ZAR 240,000 - 420,000; Full time

Benefits offered by this job

Provident Fund

Medical Aid

Guaranteed 13th cheque

Shift allowances

Overtime

Job summary

Sentinel Staffing Services seeks an experienced Diesel Mechanic to maintain and repair diesel engines, transmissions and related components within a workshop. You will diagnose mechanical, electrical and hydraulic issues, carry out engine overhauls, and support on-road breakdowns as required.

Collaboration with the Senior Mechanic and supervision of Assistants will be key, along with accurate record-keeping, safety discipline, and weekend/overtime flexibility to meet fleet needs.

Qualifications

• Minimum 3–5 years experience in diesel mechanics.
• Ability to read and interpret technical manuals and diagrams.
• Strong problem-solving and attention to detail.

Responsibilities

• Maintain and repair diesel engines, transmissions and related components.
• Respond to on-road breakdowns with on-site diagnostics and repairs.
• Carry out engine overhauls and test performance to manufacturer specs.
• Utilize diagnostic tools to identify electrical/electronic issues and replace ECUs.
• Manage and calibrate tools and diagnostic equipment; keep spare parts stock.
• Collaborate with Senior Mechanic and supervise Assistants as needed.
• Document maintenance and repairs; prepare service sheets and job cards.
• Adhere to workshop safety protocols and keep the workspace organized.

Skills

Diesel engines

Engine diagnostics

Mechanical knowledge

Repair equipment

Reading schematics

Teamwork

Communication

Education

Diploma/Certificate in Diesel Mechanics

Tools

Diagnostic tools

Job description

Sentinel Staffing Services seeks an experienced Diesel Mechanic to maintain and repair diesel engines, transmissions and related components within a workshop. You will diagnose mechanical, electrical and hydraulic issues, carry out engine overhauls, and support on-road breakdowns as required.

Collaboration with the Senior Mechanic and supervision of Assistants will be key, along with accurate record-keeping, safety discipline, and weekend/overtime flexibility to meet fleet needs.