_{17th November, 2025}

Location: Johannesburg, South Africa
Job Title: Laboratory Technician
Department: Instrumentation
Reports to: Instrumentation Technician / Team Leader
Company: ALS Chemex South Africa
 
 
About the Role
ALS is a global leader in laboratory testing and analytical services. We are seeking a dedicated Technician - T1 to join our Johannesburg laboratory. This role operates within a 24/7 environment, and the successful candidate must be willing to work shifts and flexi-hours as required.
This position plays a key role in delivering high-quality analytical results through the effective operation, maintenance, and troubleshooting of laboratory instrumentation.
 
 
Key Responsibilities Compliance

• Adhere to ALS Health and Safety Foundation Standards.
• Uphold ALS core values and follow all company policies and procedures.
• Comply with all Standard Operating Procedures (SOPs).

Technical Responsibilities

• Maintain good housekeeping and ensure proper handling of samples, consumables, and equipment.
• Develop a solid understanding of instrumental analytical techniques (ICP, AAS, MS, XRF, Leco).
• Perform routine and non-routine analyses on assigned instruments.
• Operate, maintain, and troubleshoot analytical instruments and auto-samplers.
• Use GEMS for instrument batching and workflow management.
• Prepare calibration standards, dilutions, instrument solutions, and QC solutions.
• Ensure accurate tracking and scanning of prepared samples.
• Identify and resolve instrument QC issues to maintain data integrity.
• Consistently meet production targets per 11-hour shift:
  • PGMs (ICP): 600 samples
  • Base Metals (ICP): 650 samples
  • Base Metals (AAS): 700 samples
  • Base Metals (ICPMS): 350 samples
  • Leco (C & S): 250 samples
• Conduct data approvals at Technician level (Tech Approval).
• Retrieve and dump racks with proper traceability procedures.
• Provide assistance to other laboratory areas as required.

Required Competencies Behavioural Competencies

• Strong ability to prioritize and provide timely feedback.
• High attention to detail.
• Ability to work under pressure and meet strict deadlines.
• Proactive, responsive, and able to anticipate operational needs.
• Team-oriented approach and commitment to excellence.
• Effective collaboration within multidisciplinary teams.

Technical Competencies

• Ability to identify and report HSE risks.
• High level of integrity.
• Ability to manage multiple tasks simultaneously.
• Strong knowledge of ALS policies, protocols, and instrumentation procedures.
• Proficient in GEMS.
• Understanding of analytical chemistry principles and geochemical digestion methods.
• Strong numerical and analytical capability.
• Skilled in operating AA and/or ICP instrumentation.
• Proficient in MS Word and Excel.

Qualifications

• National Diploma in Analytical Chemistry or equivalent.
• Fluent English (written and spoken).

Additional Information
This job description outlines the core duties of the role but is not exhaustive. Responsibilities may evolve based on operational requirements. The description will be reviewed periodically, including during performance evaluations.

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