Senior Materials Tester – Aggregates & Civil Lab

SGS; Pretoria; On-site; ZAR 180,000 - 280,000; Full time

Job summary

SGS South Africa, Matrolab Division, is seeking a Senior Materials Tester to support the Supervisor/Laboratory Manager on site or in the commercial laboratory. You will prepare materials for testing—including soils, asphalt, seals, concrete and aggregates—and keep the laboratory clean at all times.

The role involves supervising tests within your competence, reporting deviations, and performing field and laboratory sampling and calculations, with strong English and basic Office software skills.

Qualifications

• Grade 12 / NQF4 or equivalent with relevant experience.
• Proficiency in English (read, write, speak).
• Computer literacy: Word, Excel, Outlook.
• Familiarity with SANS test methods is preferred.
• Experience with sampling and preparation advantageous.
• Ability to perform calculations related to tests.

Responsibilities

• Supervise and/or carry out testing for all tests within competence, per prescribed methods.
• Keep work areas and equipment clean after each task and daily.
• Adhere to quality and safety requirements of SGS management system.
• Orally report deviations, irregularities, and non-conformances.
• Perform other tasks as assigned by site supervisor or manager.
• Carry out field and laboratory work including sampling, calculations, and test methods.
• Complete timesheets accurately on a daily basis.
• Ensure discipline within the assigned department.

Skills

English proficiency

MS Word

MS Excel

Quality control

Safety awareness

Education

Grade 12 / NQF4

Tools

SANS test methods

Job description

SGS South Africa, Matrolab Division, is seeking a Senior Materials Tester to support the Supervisor/Laboratory Manager on site or in the commercial laboratory. You will prepare materials for testing—including soils, asphalt, seals, concrete and aggregates—and keep the laboratory clean at all times.

The role involves supervising tests within your competence, reporting deviations, and performing field and laboratory sampling and calculations, with strong English and basic Office software skills.