CNC MILLING PROGRAMMER (MASTERCAM)

Micron Concept Aerostructures Sdn Bhd; Shah Alam; On-site; MYR 67,000 - 89,000; Full time

Job summary

Micron Concept Aerostructures Sdn Bhd is seeking a skilled CNC Programmer to develop and optimize 2D/3D toolpaths using Mastercam. You will interpret drawings, GD&T requirements, and select tooling while ensuring safe, efficient machining.

The role requires hands-on experience with 3-axis machines; 4-axis or 5-axis exposure is a plus. You will support setup, first-article trials, and ongoing process improvements in a precision engineering environment.

Qualifications

• Minimum 2–5 years of CNC milling programming and precision machining.
• Strong hands-on experience with Mastercam, including 2D and 3D milling.
• Good knowledge of CNC milling machines, particularly 3-axis machining.
• Experience with 4-axis or 5-axis CNC milling is an added advantage.
• Knowledge of G-code, M-code, cutting tools and workholding.
• Ability to read engineering drawings and GD&T requirements.
• Familiarity with precision measuring instruments.

Responsibilities

• Develop and generate accurate 2D and 3D CNC milling toolpaths using Mastercam.
• Interpret 2D drawings and 3D CAD models for programming.
• Verify and simulate toolpaths to ensure accuracy and avoid collisions.
• Read tolerances and GD&T; select cutting tools and tooling strategies.
• Determine speeds, feeds and machining parameters.
• Prepare setup sheets, tooling lists and machining instructions.
• Support first-article inspections and initial machining trials.
• Verify CNC programs during actual machining operations.
• Troubleshoot machining issues and dimensional inaccuracies.
• Improve cycle times, surface finishes and tool life.
• Suggest strategies to enhance productivity and safety compliance.

Skills

CNC milling programming

GD&T

Reading drawings

Problem solving

Teamwork

Independence

Tools

Mastercam

CAD/CAM systems

CNC simulation

Job description

Join a precision engineering and manufacturing team as a CNC Programmer, supporting the programming, setup, prove-out and optimisation of CNC milling operations. You will use Mastercam to develop accurate 2D and 3D toolpaths, interpret engineering drawings and GD&T requirements, and help deliver high-quality machined components efficiently and safely.

Key responsibilities

Develop and generate accurate 2D and 3D CNC milling toolpaths using Mastercam.

Interpret 2D engineering drawings and 3D CAD models for CNC programming.

Verify and simulate toolpaths to ensure machining accuracy and prevent potential collisions.

Read and interpret dimensions, tolerances and Geometric Dimensioning & Tolerancing (GD&T) requirements.

Select suitable cutting tools, tool holders and machining strategies.

Determine appropriate cutting speeds, feed rates and machining parameters.

Prepare CNC setup sheets, tooling lists and machining instructions for machine operators.

Support first-article inspections and initial machining trials.

Verify CNC programs and toolpaths during actual machine operations.

Identify and troubleshoot machining issues, dimensional inaccuracies and tooling problems.

Improve machining cycle times, surface finishes and tool life.

Recommend machining strategies to enhance productivity and efficiency.

Ensure machining activities comply with safety procedures and quality standards.

What we're looking for

Minimum 2–5 years of experience in CNC milling programming and precision machining.

Strong hands-on experience with Mastercam, including 2D and 3D milling.

Good knowledge of CNC milling machines, particularly 3-axis machining.

Experience with 4-axis or 5-axis CNC milling is an added advantage.

Good understanding of G-code, M-code, cutting tools, workholding and machining processes.

Knowledge of machining materials such as aluminium, stainless steel, mild steel and engineering plastics.

Ability to read and interpret engineering drawings, tolerances and GD&T.

Familiarity with precision measuring instruments, including vernier calipers, micrometers, height gauges and pin/thread gauges.

Ability to work independently with minimal supervision and solve technical problems.

Good teamwork, communication and problem-solving skills.

Experience in precision engineering, CNC machining or manufacturing environments is preferred.

Familiarity with CAD/CAM systems and CNC machining simulation is preferred.

Experience in machine setup, tooling selection and first-piece inspection is preferred.

Practical shop-floor machining experience is an advantage.

Micron Concept is an AS9100 and ISO9001 certified engineering solutions provider that has grown from a jigs and fixtures specialist into a diversified leader in advanced manufacturing. The company operates through two key divisions: Micron Concept Engineering (MCE), which specializes in machine assembly and aerospace ground support equipment, and Micron Concept Aerostructures (MCA), which focuses on the aerospace, process flow, and robotics and automation industries. With nearly three decades of experience, Micron Concept provides a comprehensive suite of services and integrated turnkey solutions to clients across various sectors.