Process Operator

The Process Operator oversees all aspects of the fermentation process in the manufacturing of yeast, ensuring safe, efficient, and consistent production. This role involves batch preparation, monitoring and adjusting process parameters such as temperature, pH, and flow, and performing in-house testing in accordance with established standard operating procedures (SOPs). The Process Operator works both in the control room and in the field, supporting utility and fermentation operations while maintaining high standards of quality, cleanliness, and safety in a fast-paced production environment.

Responsibilities

• Oversee all stages of the yeast fermentation process from raw material input through batch completion.
• Prepare and manage batch making processes, including accurately feeding raw materials into the system according to established formulas and SOPs.
• Monitor and control key process parameters such as temperature, pH, and flow using control room systems and logic controllers.
• Perform in-house testing for pH and ethanol using an ethanol meter, including proper calibration of the meter and strict adherence to SOPs.
• Check product temperatures regularly and make necessary adjustments to maintain process stability and product quality.
• Operate control room equipment to monitor process conditions, respond to alarms, and optimize production performance.
• Support utility operator and fermentation operator processes, stepping in to handle fermentation responsibilities when needed.
• Hook up and disconnect hoses safely to move product and materials between tanks and process areas.
• Clean and sanitize tanks, equipment, and work areas to maintain high standards of plant cleanliness and food safety.
• Work both indoors and outdoors in varying weather conditions while performing process and general labor tasks.
• Follow quality control procedures to ensure products meet specifications and support continuous improvement efforts.
• Comply with all safety guidelines, SOPs, and regulatory requirements while handling equipment, chemicals, and raw materials.
• Assist with troubleshooting process issues and collaborate with team members to resolve problems promptly.
• Support plant performance goals related to customer satisfaction, budget adherence, and facility cleanliness.
• Participate in cross-training for both utility and fermentation operations to provide flexible coverage across the plant.
• Be available to work overtime as needed to cover vacations, call-outs, and production demands.
• Maintain accurate records of process data, test results, and any adjustments made during production.

• Associate’s degree required, preferably in a science discipline such as biology, chemistry, or a related field.
• A minimum of 2 years of manufacturing experience, preferably within a fast-paced, production-driven food environment.
• Experience with control room operations and monitoring process equipment.
• Foundational knowledge of biology and chemistry as applied to fermentation and food manufacturing.
• Ability to perform quality control testing, including pH measurements and ethanol testing using an ethanol meter.
• Competence in calibrating and using meters and instruments in accordance with SOPs.
• Ability to monitor and control temperature, pH, and flow parameters throughout the process.
• Comfort working in and out of the plant in various weather conditions.
• Ability to safely climb and work at heights as needed for tank access and equipment checks.
• Capability to hook up and disconnect hoses safely and correctly.
• Willingness and physical ability to perform general labor tasks, including cleaning tanks and process areas.
• Strong multitasking skills and the ability to manage multiple process activities simultaneously.
• Resilience and composure, with the ability to stay focused and not become easily overwhelmed in a fast-paced environment.
• Willingness to work a rotating 12-hour shift schedule and to be available for overtime as needed.

• Experience in food or fermentation manufacturing environments is preferred.
• Familiarity with logic controllers and automated process control systems.
• Previous exposure to utility operations and fermentation processes.
• Strong attention to detail when following SOPs and documenting process information.
• Demonstrated commitment to safety, cleanliness, and quality standards.
• Ability to work collaboratively in a team-oriented production environment.
• Motivated, proactive attitude with a willingness to learn and take on additional responsibilities over time.

Employees have clear opportunities to grow into other positions throughout the plant, allowing them to build a long-term career while expanding their skills. The organization rewards learning and successful completion of training with pay increases and offers a structured path for progression beyond the initial role. Team members can benefit from a competitive retirement program with a 401(k) match and additional monthly bonus opportunities tied to customer satisfaction, budget performance, and plant cleanliness. The culture emphasizes continuous improvement, shared responsibility for plant performance, and recognition for contributions to quality and efficiency.

Work Environment

This role follows a 3-on, 3-off rotating schedule, alternating between 6:00 a.m.–6:00 p.m. and 6:00 p.m.–6:00 a.m. shifts, resulting in approximately half the year worked due to the 12-hour shift structure. Process Operators must be available to work overtime as needed to cover vacations, call-outs, and production demands. The work takes place in a production-driven food manufacturing plant, with time split between a control room environment and fieldwork around tanks, utilities, and processing equipment. The position requires working both indoors and outdoors in varying weather conditions, climbing to access equipment, and performing physical tasks such as hooking up hoses and cleaning tanks. Employees receive cross-training in both utility operator and fermentation operator processes, enabling them to support multiple areas of the plant and handle a variety of operational responsibilities.

Job Type & Location

This is a Contract to Hire position based out of Memphis, TN.

The pay range for this position is $21.50 - $21.50/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Memphis,TN.

This position is anticipated to close on Jun 30, 2026.

About Aerotek

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.