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Quality Assurance Technician - Microbiology

Ultimum Limited · Abia

Ultimum LimitedAbiaPosted 12 November 2026

At a glance

Closing date
The listing does not give one. Employers often close early when they have enough applicants, so apply soon.
Where
Abia, Nigeria
How to apply
On myjobmag.com, where the employer takes applications.
This employer
Ultimum Limited has 8 open roles on RezSync.

JOB PURPOSE

The Quality Technician – Microbiology is responsible for carrying out routine microbiological sampling, testing and analysis of raw materials, process water, syrup, in-process products, finished products, packaging materials and the production environment, in line with the plant's Food Safety and Quality Management System requirements.

The role supports the Quality Supervisor – Microbiology in verifying the effectiveness of cleaning and sanitation programmes, monitoring environmental and personnel hygiene, and ensuring that products released to the market are free from microbiological contamination that could compromise consumer safety or product quality.

Working closely with Production, Engineering, Utilities and the Process Control team, the Quality Technician – Microbiology promotes a strong food safety culture through accurate aseptic sampling, timely and reliable test results, prompt escalation of microbiological deviations and diligent laboratory record keeping.

KEY JOB ROLES & RESPONSIBILITIES

Carry out aseptic sampling and microbiological testing of raw materials, process water, syrup, in-process products, finished products and packaging materials in accordance with approved sampling plans and procedures.

Perform routine microbiological analysis, including Total Viable Count (TVC), yeast and mould count, coliforms and other spoilage or indicator organisms relevant to Carbonated Soft Drinks production.

Carry out potable and process water microbiological testing, including E. coli and total coliform analysis, in line with regulatory and internal water quality standards.

Conduct environmental monitoring of the production and filling areas, including surface swabs, air sampling and personnel hygiene (hand) swabs, to verify compliance with hygiene zoning requirements.

Verify the effectiveness of the Cleaning-in-Place (CIP) program through ATP bioluminescence testing and microbiological swabbing of processing and filling equipment.

Prepare, sterilize and store culture media, reagents and laboratory consumables using correct aseptic technique, and maintain accurate media preparation and quality control records.

Operate and maintain microbiology laboratory equipment, including autoclaves, incubators, laminar flow/biosafety cabinets, membrane filtration units, colony counters and microscopes, ensuring they are calibrated, verified and fit for use.

Read, count and interpret microbiological test results, including colony counts and presumptive identification, and record findings accurately in line with Good Documentation Practices (GDP).

Promptly identify, report and escalate microbiological deviations and out-of-specification results, and support root cause investigation and corrective action.

Monitor compliance with HACCP, Operational Prerequisite Programmes (OPRPs) and Critical Control Points (CCPs) relating to microbiological hazards.

Support the plant's pest control and Integrated Pest Management (IPM) programme through routine monitoring, inspection and record keeping.

Monitor and trend microbiological data to identify adverse patterns and support investigation of recurring contamination sources.

Maintain accurate, up-to-date laboratory records, certificates of analysis and microbiological trend reports in line with the Quality Management System.

Support shelf-life and product stability studies through scheduled microbiological testing of retained samples.

Maintain a clean, organised and contamination-free laboratory environment, and comply with all Health, Safety and Environmental (HSE) and biosafety requirements.

Participate in internal audits, regulatory inspections (including NAFDAC and SON) and continuous improvement initiatives relating to food safety and microbiological quality.

Carry out any other microbiology or quality assurance duties assigned by the Supervisor or Quality Assurance Manager.

EXPERIENCE & ACADEMIC REQUIREMENTS

HND/B.Sc. in Microbiology, Food Science & Technology, Biochemistry or other relevant Applied Science discipline.

Minimum of two (2) years' experience in a microbiology or food safety laboratory, preferably within the FMCG or Carbonated Soft Drinks (CSD) industry.

Working knowledge of aseptic technique, culture media preparation and standard microbiological testing methods.

Working knowledge of HACCP, GMP and food safety/quality standards such as ISO 22000/FSSC 22000 and applicable NAFDAC/SON requirements.

Willingness and ability to work a day-duty schedule that may include weekends and public holidays, in line with production and sampling requirements.

KEY COMPETENCY REQUIREMENTS

Results orientation

Attention to detail

Excellent communication skills

Organisation and planning

Integrity

Teamwork

Strong analytical and problem-solving skills

Proficiency in the use of microbiology laboratory equipment and aseptic technique

Basic computer literacy, including MS Excel and laboratory/quality data systems.

Minimum qualifications

BA/BSc/HND

How to apply

Use the link(s) below to apply on company website.

Utilities Technician

Technical Operator - Packaging

HSE Officer

Quality Assurance Technician - Microbiology

https://www.myjobmag.com/apply-now/1386720

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