Koji Manufacturing Worker (Liquor Manufacturing)
こうじせいぞうこう
Industry & Occupation
Classification
Summary
Specialized profession that propagates koji mold on rice and manufactures and manages koji, the foundation of sake brewing.
Description
Koji manufacturing workers handle the initial process of koji production in alcohol beverage manufacturing. They sprinkle koji mold (Aspergillus oryzae) on steamed rice as the raw material and propagate the mold while strictly controlling room temperature and humidity. Through tasks such as temperature control, ventilation, and turning the koji within the process, they uniformize the quality of koji and maximize its aroma and saccharification power. Cleaning the workplace, hygiene management, and creating manufacturing records are also important duties.
Future Outlook
Along with the growing popularity of sake and fermented foods both domestically and internationally, demand for high-quality koji manufacturing technicians remains stable. Developing young talent to inherit traditional techniques is a challenge.
Personality Traits
Attentive / Cooperative / Patient / Strong Sense of Responsibility
Work Style
Career Path
Manufacturing Staff → Koji Production Technician → Section Chief (Manufacturing Department) → Brewing Technician → Master Brewer
Required Skills
Hygiene Management / Koji Production Process Management / Measurement and Record Creation / Raw Material Selection / Steaming and Cooling Work
Recommended Skills
Basics of Microbiology / Equipment Maintenance / Fermentation Control Technology / Quality Management
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because minute changes in temperature and humidity affect koji quality. |
| Physical Stamina & Endurance | Because physical strength is required for transporting heavy objects and continuous work. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Many traditional and standardized processes, where accuracy is valued more than originality. |
Related Qualifications
- Food Hygiene Manager
- Sake Manufacturing Skills Expert
Aliases
- Koji Maker
- Koji Master
- Koji Producer
Related Jobs
- Brewing Technician
- Fermentation Technician
- Manufacturing Staff
- Manufacturing Technician