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CNC Controller

Location: 

Modderfontein, GT, ZA, 1609

Pillar:  AECI Mining
Pay Grade:  BU
Date Closing:  Mar 10, 2026

Job Purpose

To load, set up, and operate CNC machines to manufacture fit-for-purpose parts and tooling in accordance with technical drawings, quality standards, and production requirements.

Key Responsibilities

1. Machine Operation & Setup

  • Set up, load, and operate CNC machines (turning, milling, and related equipment).

  • Interpret and work from engineering drawings, technical specifications, and job cards.

  • Select appropriate tooling, fixtures, and cutting parameters.

  • Perform first-off inspections to ensure dimensional accuracy before full production runs.

  • Monitor machine performance and adjust offsets where required.

2. Quality Control

  • Measure and inspect components using precision measuring instruments (verniers, micrometers, bore gauges, etc.).

  • Ensure all manufactured components meet specified tolerances and quality standards.

  • Complete quality documentation and inspection reports.

  • Identify and report non-conformances immediately.

3. Maintenance & Housekeeping

  • Conduct routine machine checks and basic preventative maintenance.

  • Report machine faults or abnormalities to the Supervisor.

  • Maintain a clean and safe working environment in line with housekeeping standards.

4. Safety & Compliance

  • Adhere to all safety regulations, workshop procedures, and company policies.

  • Use appropriate PPE at all times.

  • Participate in toolbox talks and safety initiatives.

  • Ensure compliance with quality, safety, and operational standards.

5. Continuous Improvement

  • Identify opportunities to improve machining efficiency and reduce waste.

  • Support lean manufacturing and cost-saving initiatives.

  • Assist in training junior artisans or apprentices where required.

Minimum Requirements

Qualifications

  • Grade 12 / Matric.

  • Trade Test Certificate (Turner/Machinist) or equivalent qualification.

  • CNC programming certification (advantageous).

Experience

  • Minimum 3–5 years’ experience operating CNC machines in a workshop or manufacturing environment.

  • Experience in precision machining and tooling production.

  • Experience in reading and interpreting engineering drawings.

Technical Competencies

  • Knowledge of CNC programming (Fanuc/Siemens or similar control systems).

  • Understanding of machining processes (turning, milling, drilling, grinding).

  • Knowledge of tooling, materials, and cutting techniques.

  • Ability to use precision measuring instruments.

  • Basic computer literacy.

Behavioural Competencies

  • Attention to detail.

  • Problem-solving ability.

  • Accountability and ownership.

  • Ability to work under pressure.

  • Teamwork and good communication skills.

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Requisition ID:  1144

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