Microbiologist

6 days ago

Bengaluru, Karnataka, India Geist Brewing Co. Full time ₹ 5,00,000 - ₹ 12,00,000 per year

Role Title: Microbiologist

Department: Brewery Quality Operations

Reports To: Head Brewer

Location: Geist Brewing Co, Old Madras Road, Bengaluru

Employment Type: Full-Time

Role Summary

The Microbiologist plays a key role in maintaining the microbiological integrity and quality of all products brewed at the brewery. This position ensures that every batch of beer reflects the brewery's craft standards while meeting regulatory and safety requirements. The Microbiologist will monitor yeast health, detect and prevent contamination, and support brewing innovation through scientific testing and process hygiene control.

Key Responsibilities

1. Microbiological Quality Assurance

  • Perform
    routine microbiological testing
    on raw materials, wort, beer, yeast, and packaging samples to detect unwanted microorganisms.
  • Identify and quantify yeast and bacterial populations using plating, microscopy, and other relevant methods.
  • Conduct
    contamination screening
    at critical control points throughout the brewing and packaging processes.

2. Yeast Management & Fermentation Health

  • Monitor
    yeast vitality, viability, and flocculation behaviour
    to ensure optimal fermentation.
  • Maintain yeast propagation and storage cultures in aseptic conditions.
  • Provide recommendations to the brewing team on yeast reuse, pitching rates, and contamination control.

3. Process Hygiene & Sanitation Verification

  • Conduct
    environmental and surface swab tests
    to verify cleanliness and sanitation efficiency.
  • Validate
    CIP (Clean-in-Place)
    and
    SIP (Sterilize-in-Place)
    processes.
  • Work closely with brewers to establish
    microbiological best practices
    across tanks, lines, and cellars.

4. Product Quality & Stability

  • Support sensory and analytical teams by correlating microbiological results with
    flavor stability, haze formation, and shelf life
    .
  • Investigate any deviations in taste, aroma, or appearance due to microbial factors.
  • Participate in
    root cause analysis
    for any off-flavor or spoilage incidents.

5. Documentation & Compliance

  • Maintain accurate and traceable laboratory records, logs, and digital reports.
  • Prepare microbiological trend analyses for management review.
  • Ensure compliance with
    FSSAI
    ,
    ISO 22000
    , and other relevant quality and safety standards.

6. Continuous Improvement & Innovation

  • Collaborate with brewers on
    new recipe trials
    by evaluating yeast performance and fermentation profiles.
  • Research and recommend improvements to
    microbiological testing protocols
    and lab techniques.
  • Train brewery staff on hygiene, sampling, and contamination prevention.

Qualifications

Education:

  • Bachelor's or Master's degree in
    Microbiology, Brewing Science, Biotechnology, or Biochemistry
    .

Experience:

  • 2–6 years of experience in a
    brewery, beverage, or fermentation-based industry
    (craft brewing experience preferred).
  • Hands-on experience with
    yeast management, microbial testing, and hygiene validation
    .

Technical Knowledge:

  • Proficiency in aseptic techniques, plating, and microscopy.
  • Understanding of brewing microbiota
  • Knowledge of
    beer chemistry, fermentation kinetics, and sensory impacts
    of microbial activity.
  • Familiarity with
    systems
    , data recording, and quality documentation.

Competencies & Attributes

  • Strong attention to detail and analytical thinking
  • Passion for craft beer and fermentation science
  • Excellent teamwork and communication skills
  • Commitment to hygiene, precision, and consistency
  • Problem-solving and innovation-driven mindset

Work Environment

  • Primarily lab-based with frequent interaction on the brewery floor.
  • Strict adherence to PPE and safety procedures.

Work Schedule

  • Full-time, typically day shifts but may include early mornings or weekends during production peaks or audits.

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