PATSA Pakistan, Karachi is searching for a dedicated Lab Technician to join their quality control team. The ideal candidate will have 3 to 5 years of experience in the construction chemicals and coatings manufacturing industry and possess a diploma or equivalent qualification in Civil, Chemical, or Laboratory Technology. The Lab Technician plays a crucial role in carrying out quality control checks and production monitoring of various products such as paints, coatings, admixtures, and cleaners. Additionally, the technician will conduct routine testing of concrete products, ensuring all materials meet predefined specifications and quality standards. This role requires careful preparation, curing, and testing of concrete and mortar samples using standard methods. The Lab Technician is responsible for performing essential tests including slump, compressive strength, setting time, viscosity, pH, specific gravity, and others to evaluate product quality. The technician maintains thorough records, supports research and development by running trial batches of new or modified formulations, and collaborates closely with production teams to report any deviations from quality standards. Maintaining lab equipment and adhering to safety protocols are also key aspects of this position. This role does not require managing a team, but involves working independently with high attention to detail and integrity.
Responsibilities

  • Prepare, cure, and test concrete and mortar samples such as cubes and cylinders following standard testing methods and guidelines.
  • Perform quality tests including slump, compressive strength, setting time, water absorption, density, viscosity, pH, specific gravity, solid content, and product appearance.
  • Inspect incoming raw materials and finished product batches to ensure compliance with established specifications and standards.
  • Accurately retain and label batch samples for long-term reference and quality assurance purposes.
  • Support research and development activities by conducting trial batches of new or modified formulations and comparing results against existing products.
  • Maintain precise and detailed records of all tests, including test logs, batch reports, and any deviations or anomalies observed during testing.
  • Communicate test results promptly to the production department and alert management to any out-of-specification batches to prevent quality issues.
  • Ensure laboratory equipment is clean, properly calibrated, and maintained regularly to guarantee accurate test results.
  • Track laboratory supplies, including chemicals and consumables, to ensure timely replenishment and laboratory preparedness.
  • Strictly follow all laboratory safety procedures and guidelines to maintain a safe working environment.
  • Perform additional related tasks and duties as assigned by the line manager to support laboratory and production objectives.

Job Details

Total Positions:
1 Post
Job Type:
Job Location:
Gender:
No Preference
Minimum Experience:
3 Years
Apply Before:
Dec 01, 2026
Posting Date:
Oct 30, 2026

Patsa Pakistan

· 51-100 employees - Karachi

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