Laboratory Technician – Analytical & Microbiology

Graduates oppotunities
Job details

• Job location: Zanzibar
• Job category: Agriculture
• Job type: Full Time
• Job posted: September 2, 2026
• Job deadline: September 12, 2026

About this role

The positions are intended to support C-Weed Mwani’s expanding activities in seaweed cultivation, marine resource management, laboratory quality control, R&D, agricultural biostimulants and product development .

Purpose of the position

To support C-Weed Mwani’s Quality Control, Laboratory and R&D activities through reliable execution of routine physicochemical, analytical and microbiological testing of seaweed, seaweed-derived products, agricultural biostimulants, food-related materials and other products under development.

The ideal candidate should be a practical laboratory technician who is comfortable with both wet chemistry and microbiological laboratory work , rather than someone whose experience is limited to one area.

Key responsibilities

• Perform routine physicochemical and analytical testing of raw materials, intermediate products and finished products.

• Conduct wet chemistry analyses according to approved laboratory methods and

• Perform routine microbiological testing, including preparation of media, sample preparation, microbial enumeration and related analyses.

• Operate, maintain and perform basic troubleshooting of laboratory

• Prepare reagents, standards, solutions and culture media

• Perform laboratory calculations, record results and maintain complete laboratory

• Assist in method verification, method development and laboratory R&D

• Support sampling, sample preparation, testing and

• Maintain laboratory records in accordance with Good Laboratory Practice (GLP).

• Follow laboratory SOPs, safety procedures and quality control

• Support implementation and maintenance of laboratory systems aligned with ISO/IEC 17025

• Participate in calibration, verification and routine maintenance activities for laboratory

• Identify abnormal results, out-of-specification results and analytical problems and report them appropriately.

• Maintain laboratory cleanliness, organization, chemical safety and good

• Support QC and R&D testing activities as

Equipment experience

Experience operating or working with the following would be highly desirable

• UV-Visible Spectrophotometer

• Viscometer

• Mufle Furnace

• Soxhlet Apparatus

• Other routine analytical and microbiological laboratory equipment