CNC Deep Hole Drilling Machinist (Oil & Gas)

Location: Jurong East West Region Work Schedule: Monday

• Friday | 8.30 am - 6.15 pm Job Description: We are seeking an experienced Deep Hole Drilling Machinist to set up, operate, and maintain deep-hole drilling machines to produce precision-engineered components. The successful candidate will be responsible for machining high-accuracy holes to specified dimensions and tolerances while ensuring compliance with quality, safety, and production requirements. Deep-hole drilling commonly involves gun drilling, BTA drilling, or related precision machining processes.

Key Responsibilities

Set up and operate deep-hole drilling machines, gun drills, and related machining equipment. Read and interpret engineering drawings, technical specifications, and work instructions. Select and install appropriate tooling, fixtures, cutting tools, and machine accessories. Adjust machining parameters including spindle speed, feed rate, coolant flow, and cutting depth.

Monitor machining operations and make necessary adjustments to maintain dimensional accuracy. Perform in-process inspections using precision measuring instruments such as micrometers, verniers, bore gauges, and dial indicators. Ensure drilled components meet drawing specifications, tolerances, and surface finish requirements.

Troubleshoot machining issues, tool wear, machine malfunctions, and drilling deviations. Conduct routine machine maintenance and maintain good housekeeping standards. Follow all workplace safety procedures, quality standards, and production schedules. Collaborate with production, quality, and engineering teams to achieve operational targets.

Requirements

Minimum 2–5 years of machining experience, preferably in deep-hole drilling, gun drilling, CNC machining, boring, or honing operations. Ability to read and interpret engineering drawings and GD&T specifications. Knowledge of machining processes, cutting tools, tooling setup, and precision measurement techniques. Experience working with tight tolerances and high-precision components.

Familiarity with quality control procedures and inspection documentation. Ability to work independently and as part of a team. Willingness to work shifts and overtime when required.