Ai Model Quality Validator

Network Contracting; Johannesburg; On-site; ZAR 420,000 - 780,000; Full time

Job summary

Network Contracting is seeking a Quality Assurance & Reliability Engineer for a contract role based in Vanderbijlpark/Germiston, Gauteng. The position focuses on maintenance reliability, root cause analysis, and continuous improvement to enhance plant performance.

The ideal candidate will have mechanical engineering qualifications and 3–5 years' experience in maintenance/reliability, with hands-on RCA, FMEA/FMECA, and RCC methodologies to drive improvements across equipment and processes.

Qualifications

• National Diploma, B-Tech, or Degree in Mechanical Engineering.
• 3 to 5 years' experience within a maintenance, reliability, or rotating equipment environment.
• Proven experience implementing maintenance strategies and reliability improvement initiatives.
• Experience conducting failure investigations and root cause analyses.
• Exposure to quality assurance and non-conformance management processes.
• FMEA and FMECA methodologies.
• 5 Why Analysis.
• Fishbone (Ishikawa) Analysis.
• Fault Tree Analysis.
• Reliability-centered maintenance principles.

Responsibilities

• Manage and maintain the Non-Conformance Report (NCR) database.
• Schedule, coordinate, and conduct internal NCR investigations and audits.
• Lead Root Cause Analysis (RCA) investigations for machine failures and operational deviations.
• Apply RCA methodologies including 5 Why Analysis, Fishbone (Ishikawa) Diagrams, Fault Tree Analysis, and other problem‑solving techniques.
• Record failures, corrective actions, and recommended next steps.
• Work closely with the Maintenance Department to identify reliability improvement opportunities.
• Develop maintenance strategies for equipment where formal strategies do not exist.
• Conduct and facilitate FMEA (Failure Mode and Effects Analysis) and FMECA (Failure Mode, Effects and Criticality Analysis) studies.
• Review and optimize existing maintenance strategies to improve plant reliability and equipment performance.

Skills

Root cause analysis

Reliability engineering

Maintenance strategies

FMEA/FMECA

Quality assurance

5 Why Analysis

Ishikawa analysis

Fault Tree Analysis

Education

National Diploma, B-Tech, or Degree in Mechanical Engineering

Tools

FMEA

FMECA

Ishikawa

Fault Tree Analysis

NCR database

Job description

Job details
Posted 25 August 2026
Salary ZAR negotiable
Start date 25 August 2026
Location Germiston
Job type Contract
Discipline Renewable Energy
Reference
Job Function Inspector
Our esteemed client is a leading engineering and technical services company specializing in turbomachinery, diesel systems, and industrial solutions, serving sectors such as mining, steel, petrochemicals, marine, and energy.
We are seeking an experienced and driven Quality Assurance & Reliability Engineer to join our team. This role is ideal for a mechanically qualified professional with a strong background in maintenance, reliability engineering, root cause analysis, and continuous improvement. Don't miss out on this exciting job opportunity located in Vanderbijlpark, Gauteng .

Job Responsibilities:

• Manage and maintain the Non-Conformance Report (NCR) database.
• Schedule, coordinate, and conduct internal NCR investigations and audits.
• Lead Root Cause Analysis (RCA) investigations for machine failures and operational deviations.
• Apply RCA methodologies including 5 Why Analysis, Fishbone (Ishikawa) Diagrams, Fault Tree Analysis, and other problem‑solving techniques.
• Record failures, corrective actions, and recommended next steps.
• Work closely with the Maintenance Department to identify reliability improvement opportunities.
• Develop maintenance strategies for equipment where formal strategies do not exist.
• Conduct and facilitate FMEA (Failure Mode and Effects Analysis) and FMECA (Failure Mode, Effects and Criticality Analysis) studies.
• Review and optimize existing maintenance strategies to improve plant reliability and equipment performance.

Qualifications & Skills Requirements:

• National Diploma, B-Tech, or Degree in Mechanical Engineering.
• 3 to 5 years' experience within a maintenance, reliability, or rotating equipment environment.
• Proven experience implementing maintenance strategies and reliability improvement initiatives.
• Experience conducting failure investigations and root cause analyses.
• Exposure to quality assurance and non-conformance management processes.
• FMEA and FMECA methodologies.
• 5 Why Analysis.
• Fishbone (Ishikawa) Analysis.
• Fault Tree Analysis.
• Reliability-centered maintenance principles.

We are an equal opportunity employer. All qualified individuals will receive consideration for employment without regard to race; color; age; sex; sexual orientation; gender identity; religion; national origin; disability; veteran status; genetic information; or any other criteria protected by governing law.

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