Line Boring Technician (M/F)

About the role

The Line Boring Technician will perform on‑site precision machining to repair and restore worn or damaged cylindrical bores on heavy construction and earth‑moving equipment. Working directly in the field, the technician ensures equipment reliability, reduces downtime, and avoids unnecessary dismantling.

Key responsibilities

• Operate portable hydraulic or electric line boring machines to repair bores on excavators, wheel loaders, dump trucks and similar equipment.
• Conduct bore welding and related machining processes to meet OEM specifications.
• Perform precision measurements using micrometers, bore gauges, dial indicators and laser alignment tools.
• Interpret technical drawings, equipment manuals and specifications to determine machining requirements.
• Carry out journal turning, flange facing and other related machining activities as needed.
• Maintain and inspect line boring equipment, tools and accessories for operational readiness.
• Collaborate with mechanics, welders and maintenance teams to coordinate repair activities.
• Prepare technical reports and documentation for completed repairs.
• Adhere to HSE regulations and site safety standards.

Required profile

• Diploma or Certificate in Mechanical Engineering, Machining, Heavy Equipment Maintenance or a related technical field.
• Minimum 5 years hands‑on experience in line boring, machining or heavy equipment maintenance.
• Proven experience with portable line boring machines and welding equipment in construction, mining or heavy‑industry environments.
• Ability to work independently in remote or field settings.

Required skills

• Line boring
• Bore welding
• Precision machining
• Hydraulic and electric line boring machines
• Micrometers, bore gauges, dial indicators, laser alignment tools
• Technical drawing interpretation
• Journal turning
• Flange facing