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Concrete Laboratory Technician Job in Nairobi Kenya

Category: General Jobs in Kenya
Posted: Dec 11, 2013

On behalf of our client a leading global chemical company we are looking for experienced Concrete Laboratory Technician 
Nairobi, Kenya
Very Competitive compensation
Full Time Employment
Reporting to: Concrete lab Concrete Laboratory Manager
The concrete laboratory technician is responsible for conducting required laboratory testing.
Following managerial and supervisory instructions.

Tasks and duties

General duties:
  • Strive to improve quality and quantity of daily lab output.
  • Support to concrete laboratory supervisor / senior lab technician in day to day activities in the laboratory.
  • Ensure work is completed correctly and in the required times as per manager’s time management schedule.
  • Maintain good communication lines to supervisor / senior lab technician and manager in terms of work progress and possible problems.
  • Identify and immediately inform supervisor / senior lab technician or manager of any testing anomalies or unforeseen problems.
  • Perform all daily tasks and work required in work cycles.
  • Maintain required work standards.
  • Assist supervisor / senior lab technician with sample control, equipment control and stock control on a daily basis.
  • Ensure daily cleaning of the laboratory end of day
Qualities required


Experience in the civil engineering laboratory industry or a concrete laboratory compulsory.
Must be proficient in fresh and hardened concrete laboratory testing and concrete-related aggregate testing as per TMH1 or SABS standards, expressly:
  • Aggregate sampling, drying and prep for aggregate testing;
  • Aggregate & cementitious relative density testing;
  • Aggregate particle size distribution – grading;
  • Flakiness index of coarse aggregates;
  • Compacted bulk density (CBD);
  • Loose bulk density (LBD);
  • Weighing of concrete mix design constituents;
  • Mixing of concrete;
  • Assessing mix rheology (advantage);
  • Slump test;
  • Slump retention testing;
  • Making & curing of concrete cubes;
  • Density of compacted freshly mixed  concrete;
  • Air content of freshly mixed concrete – pressure method;
  • Compressive strength of hardened concrete testing;
  • Flow cone test (advantage);
  • O-or V-funnel high flow concrete test (advantage);
  • L-box high flow concrete test (advantage);
  • O- or J-ring high flow concrete test (advantage);
  • Smaller  than 75 ᶙm particle size distribution – hydrometer method (advantage);
  • Deleterious clay content – methylene blue absorption method (advantage);
  • Particle diameter between 5-20 ᶙm – pipette method (advantage);
  • Vicat initial and final setting time determination (advantage);
Professional experience / Specialist skills
  • Experience in a similar construction chemical environment would be an advantage (material supply, construction systems, concrete technology)
  • Good people and communication skills
  • Concrete Technology certificate an advantage.
Competencies – non-specialist skills (level)
  • Intercultural Orientation
  • Acts appropriately in different cultures and countries
  • Promote cross cultural interaction and understanding
Training possibilities
  • Concrete Technology Courses.
Please send your CV in word or PDF format.
The position applied should be the subject of your email

[email protected]


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