Bio-Manufacturing Operator I - Spray Drying

  • Justin Reminger
  • February 22, 2022

Microbial Discovery Group is a Bacillus fermentation company focused on the commercialization of microbials for wastewater, bioremediation, aquaculture, consumer and institutional markets while additionally partnering with customers to fulfill their custom fermentation needs. MDG refines and delivers products and ideas by applying Real Science to a Trusted Process, yielding Proven Success.

Primary Job Responsibilities/Duties

  • The Bio-manufacturing Operator I – Spray Drying will be responsible for operating the pilot and plant spray dryers in production of dried spore forming bacteria.
  • Responsible for operating pilot and plant spray dryers, and all supporting equipment which include pumps, valves, cleaning systems and automation controls in the production of spray dried powder
  • Perform analytical testing to ensure the slurry and finished product meets customer specifications (moisture, pH, density, etc.)
  • Submit samples of slurry and finished products to quality control or lab for analysis
  • Maintain accurate written records or logs of raw materials, finished products and all production processes
  • Understand and follow production schedules working closely with the fermentation manager
  • Troubleshoot equipment/process related issues on the spray dryers and associated equipment
  • Responsible for achieving units and fermentation team goals
  • Follows SOPs (standard operating procedures) and work instructions for all tasks to ensure safe, quality products are manufactured
  • Operate process and utility equipment in a hygienic and safe manner in accordance with all processing procedures, cGMP, HAACP, FSMA and OSHA instructions and guidelines
  • Assist in maintaining all process areas within the manufacturing environment to comply with current regulatory guidelines and procedures
  • Other duties as assigned

Typical Work Environment:

  • Regularly required to sit or stand and move about the facility
  • Exposure to shop elements such as noise, dust, fumes and odors
  • Plant environment, not temperature controlled. Working around bacteria, chemicals and other potential hazards

Non-Technical Skills and Abilities:

  • Excellent communicator in written and verbal form
  • Extremely versatile, dedicated to efficient productivity
  • Passion to Feed, Clean and Save the World
  • Team-oriented and driven mindset
  • Ability to thrive in a rapidly growing company
  • Flexible hours as dictated by the needs of business for projects and meetings.


  • Associates or bachelor’s degree, or equivalent college experience preferred but High School degree acceptable with prior experience in fermentation, spray drying, bacterial and/or chemical products

Relevant Job Experience:

  • 1+ years of experience in fermentation, spray drying or chemical product operations
  • High level of independence and initiative is required

Specialized Job/Technical Knowledge:

  • Operates relevant equipment based on Standard Operating Procedures (SOPs)
  • Can recognize equipment malfunctions and understands basic, routine maintenance
  • Develops expertise in one or more specific areas
  • Demonstrates proficiency in the use of basic computer skills
  • Knowledge loading, operating and cleaning spray drying equipment
  • Experience with operation of forklift and scissors lift
  • Demonstrates proficiency in basic math skills

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