Quality Control Microbiologist Immediate Chance

Reporting to the Quality Lead, the Quality Control Officer - Microbiologist is responsible for the testing, inspection and documentation activities that ensure raw materials, in-process goods and finished products meet Mavlab's specifications and regulatory requirements. You'll work closely with Production, Quality Assurance and Warehouse to support timely, compliant product release.

Key responsibilities

Perform microbiological testing of raw materials, in-process samples, water and finished products (bioburden, sterility, endotoxin, microbial enumeration, specified organisms, preservative efficacy)

Run Mavlab's environmental monitoring program for cleanrooms, including viable, non-viable and personnel monitoring, with trending and reporting

Monitor (i.e. sampling and testing) and trend WFI system

Design, perform and report surface and disinfectant challenge (efficacy) studies, and support our cleaning and disinfection program

Carry out line clearances in production area including assessment of hygiene and microbial risk before and after manufacturing

Review batch records and microbiological data to support batch release decisions

Raise and investigate deviations, OOS/OOT results and excursions, and drive root cause analysis and CAPA

Raise, assess and support change controls for their microbiological impact

Write and review SOPs, protocols and reports, and support method verification and validation activities

Receive, verify and perform growth promotion and sterility checks on each lot of purchased and in-house prepared culture media before release for use, maintaining reference strain cultures and records





Manage laboratory consumables and reagents, including ordering, stock control, expiry tracking and supplier documentation

Ensure all laboratory equipment is calibrated, qualified and maintained to schedule (incubators, autoclaves, biosafety cabinets, balances,fridge, etc.), coordinating external calibration providers and reviewing calibration records

Maintain the laboratory’s microbial reference cultures, including passage control and storage

Ensure cleaning and hygienic maintenance of microbiology laboratory

Support internal audits including, regulatory and client audits

About you

Degree in Science, Chemistry, Pharmacy or a related discipline (or equivalent industry experience)

Prior QC experience in a pharmaceutical, veterinary, food or related GMP-regulated manufacturing environment preferred

Working knowledge of GMP, TGA and/or APVMA requirements, or a strong willingness to learn

Hands-on laboratory testing experience.

High attention to detail and robust, accurate documentation practices

Good communication skills and the ability to work well within a cross-functional team

A proactive, problem-solving mindset and commitment to quality and continuous improvement

About us

Mavlab Animal Health is an Australian-owned veterinary pharmaceutical manufacturer based in Logan City, QLD. We design, manufacture and supply a broad range of animal health products across tablets, liquids, powders and sterile injectables, operating under TGA, APVMA and PIC/S GMP requirements.

Be part of a growing, Australian-owned animal health manufacturer

On-the-job training and development in a regulated GMP environment

Stable, full-time hours based at our Logan City site

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📌 Quality Control Microbiologist Immediate Opportunity (Brisbane)
🏢 Mavlab
📍 Brisbane