Laboratory Technician

Job Description

Position Title : Lab Technician – RCC (Foundation Work) Location: Project Site – Guyana, South America Department : Quality Control / Construction Job Purpose To ensure quality assurance and quality control in all construction materials , with special focus on RCC-related activities for foundation works. The role involves carrying out on-site and off-site material testing, maintaining test records, and ensuring compliance with project specifications, drawings, and applicable codes. Key Responsibilities Conduct routine and special tests on construction materials such as cement, sand, aggregates, water, concrete cubes, and steel as per project specifications and relevant standards (IS/ASTM/BS codes). Perform trial mixes of RCC to determine appropriate workability, strength, and durability. Carry out sampling and testing of fresh and hardened concrete including slump tests, cube casting, compaction factor, and rebound hammer tests. Ensure timely testing of concrete cubes and maintain accurate records of curing and compressive strength test results. Assist in preparation of mix design reports in coordination with QA/QC Engineers Conduct field density and compaction tests during subgrade and backfilling operations. Monitor and report quality of RCC during casting , including reinforcement placement, shuttering, and curing. Maintain calibration records of lab instruments and equipment . Prepare and maintain daily and weekly test logs and submit reports to the QA/QC Engineer. Assist in external lab coordination where third-party testing is required. Ensure adherence to safety and environmental protocols within the lab and at the construction site. Key Requirements Qualification : Diploma in Civil Engineering or Science graduate with specialization in construction material testing. Experience : 6 –12 years of relevant experience in construction material testing, with at least 2 years in RCC foundation work. Technical Skills : RCC material testing Concrete mix design and cube testing Familiarity with IS codes and ASTM standards Report preparation and documentation Show more Show less