Fermentation Worker (Food Vinegar Production)
へんせいこう（しょくすせいぞう）
Industry & Occupation
Classification
Summary
A food manufacturing job responsible for the entire process from raw material processing of food vinegar to fermentation, aging, filtration, blending, sterilization, and bottling.
Description
A fermentation worker (food vinegar production) is a specialist technician who uses raw materials such as rice or sake lees to control fermentation by acetic acid bacteria, and handles blending, filtration, sterilization, and bottling after aging. They manage temperature and pH in fermentation tanks, raw material input ratios, and conduct quality inspections at each process to maintain consistent acidity and flavor in the product. They also operate and maintain plant equipment, perform CIP cleaning, and engage in hygiene management, complying with safety and hygiene standards (HACCP). Shift work in factories is common, involving physical demands such as handling heavy objects and standing work.
Future Outlook
The food vinegar market is stable due to health consciousness and diversification of food. Amid progress in plant automation and labor reduction, demand for technicians with expertise in quality control and fermentation technology remains consistently high.
Personality Traits
Cautious and meticulous / Has cooperativeness / Strong sense of responsibility
Work Style
Career Path
Manufacturing Operator → Line Leader → Quality Control Staff → Manufacturing Section Chief → Factory Manager
Required Skills
CIP Cleaning / Fermentation Tank Operation / Filtration and Sterilization Process Operation / Hygiene Management / pH and Temperature Management
Recommended Skills
Basic Machine Maintenance / HACCP / Weighing and Blending Technology
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because minute changes in components affect quality. |
| Physical Stamina & Endurance | Because there are many tasks requiring physical strength, such as handling heavy raw materials and containers. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Because the work mainly follows existing procedures and processes. |
Related Qualifications
- Food Hygiene Manager
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