We are seeking a hands-on Junior Brewer - Yeast & Fermentation to work within the brewery, with primary responsibility for brewing yeast propagation, yeast handling and fermentation management. The role will ensure a reliable supply of healthy yeast, consistent pitching and stable fermentation performance, while supporting fermentation-related quality control and troubleshooting. The position is suitable for a fresh graduate or junior candidate with relevant brewing or fermentation exposure; practical experience in industrial beer brewing and especially yeast propagation is strongly preferred.

Responsibilities and Duties

Yeast Propagation & Yeast Management

Carry out brewing yeast propagation from starter culture to the required pitching volume for production.
Prepare propagation wort/media and ensure yeast propagation vessels, transfer lines and accessories are hygienically prepared.
Monitor yeast growth, perform cell counting and assess yeast viability before pitching.
Calculate required pitching quantity and support controlled yeast transfer and pitching into fermentation tanks.
Harvest yeast from completed fermentations, assess suitability for re-use, and maintain appropriate storage conditions.
Track yeast generation, re-pitching history and changes in yeast performance across successive fermentations.
Maintain aseptic handling practices and identify possible contamination or abnormal yeast condition before use.

Fermentation Management

Monitor fermentation from yeast pitching through completion using gravity/Brix, pH, temperature, fermentation time and attenuation.
Track fermentation progress against expected batch performance and identify abnormal trends at an early stage.
Investigate slow or stuck fermentation, long lag phase, poor attenuation, abnormal flocculation, poor yeast recovery or inconsistent fermentation.
Coordinate with the brewing team on wort readiness, pitching timing, fermentation temperature and other conditions affecting yeast performance.

Fermentation & Beer Quality Control / Troubleshooting

Conduct routine fermentation-related checks including pH, gravity/Brix, yeast cell count, viability and basic microscopy.
Support basic microbiological checks of yeast, fermentation samples and brewery hygiene where required.
Assist in root-cause investigation of yeast, fermentation or contamination-related beer quality deviations.
Relate QC findings to yeast generation, pitching rate, fermentation conditions and batch-to-batch consistency.

Brewery Operations Support

Support wort transfer, fermenter preparation, beer transfer and other brewery operations when required.
Assist with CIP and sanitation of fermenters, yeast propagation vessels, hoses and yeast-transfer lines.
Understand upstream brewing steps such as mashing, boiling, wort cooling and oxygenation as they affect fermentation performance.

Documentation & SOPs

Maintain essential yeast propagation, pitching, harvesting, generation and fermentation records for traceability.
Follow and support improvement of SOPs for yeast handling, fermentation monitoring, hygiene and sanitation.

Qualifications & Requirements (Education, Experience, Skills, Knowledge, Etc)

Education and Certifications

Diploma or Bachelor's degree in Brewing Science/Technology, Fermentation Technology, Biotechnology, Microbiology, Food Science/Technology, Bioprocess Engineering, or a related discipline.

Experience

Fresh graduate to approximately 2 years of relevant brewing, fermentation or industrial experience.
Hands-on exposure to beer brewing or industrial fermentation is preferred.
Practical experience in brewing yeast propagation, yeast starter preparation, harvesting or re-pitching is strongly preferred.
Relevant brewery internship, pilot brewing, craft brewery, fermentation plant or university project experience may be considered.

Junior Brewer (Yeast & Fermentation)