Lab Supervisor; Night Shift) Plainwell, MI

Certified Group is committed to partnering with customers to deliver innovative scientific solutions and expertise –
So The World Can Trust In What It Consumes™. Our network of 30+ North American and European laboratories serves the food & beverage, dietary supplements, cosmetics, OTC, tobacco/nicotine, cannabis, and hemp industries.

Our Brands

Certified Group is comprised of a set of specialized brands that collectively deliver laboratory testing, regulatory consulting, and certification & audit services across highly regulated industries:

• Certified Laboratories – Provides comprehensive analytical and microbiological testing, primarily supporting food, beverage, cosmetics, OTC, and dietary supplement industries.
• Food Safety Net Services (FSNS) – A leading network of ISO-accredited laboratories across North America, focused on food safety testing, operational support, and technical services for the food industry.
• Labstat – A global leader in contract research and testing for nicotine, tobacco, cannabis, hemp, and next-generation products, with deep expertise in analytical chemistry and toxicology.
• EAS Consulting Group – A regulatory consulting firm offering expert guidance, training, and auditing support across FDA, USDA, and other regulated sectors, powered by a large network of independent advisors.
• FSNS Certification & Audit – Provides accredited third-party auditing and certification services, including food safety, animal welfare, and GMP programs.

The Lab Supervisor is responsible for the day-to-day supervision and coordination of laboratory activities during the assigned night shift. This role directly supervises a small team of approximately three laboratory employees while ensuring efficient workflow, accurate and timely testing, adherence to quality and safety standards, and consistent achievement of laboratory turnaround time expectations.

The Lab Supervisor is a hands-on leader who works alongside the laboratory team to coordinate workload, prioritize testing, troubleshoot operational issues, provide employee guidance and support, and ensure work is completed in accordance with established procedures and quality standards.

The Lab Supervisor serves as the primary laboratory leader during the assigned shift and is responsible for communicating significant operational, quality, staffing, and employee matters to laboratory management. This position is expected to lead by example and promote a culture of accountability, teamwork, safety, quality, and customer service.

Purpose: So the world can trust in what it consumes.

Mission: Partner with customers to deliver innovative scientific solutions and expertise.

Values: Start with the customer, commit to safety and quality, drive to deliver, act with integrity, and support the team.

Supervise and coordinate day-to-day laboratory activities during the assigned night shift.

Directly supervise and support a small team of approximately three laboratory employees.

Assign and prioritize laboratory work based on workload, staffing, testing requirements, and turnaround time expectations.

Monitor sample flow, testing status, workload, and backlogs throughout the shift.

Conduct shift huddles to communicate priorities, staffing, workload, and operational updates.

Work hands‑on with laboratory staff as needed to support testing, workflow, troubleshooting, and completion of assigned work.

Monitor employee productivity and ensure work is completed accurately and efficiently.

Ensure appropriate staffing coverage and effective use of laboratory resources during the shift.

Identify and elevate operational issues that may affect testing, quality, safety, or turnaround times.

Maintain effective shift-to-shift communication and provide thorough handoffs to laboratory leadership and other shifts.

Maintain a clean, organized, and professional laboratory environment.

Ensure laboratory activities are performed in accordance with ISO/IEC 17025, company quality systems, SOPs, and safety requirements.

Reinforce proper laboratory practices, PPE requirements, safety procedures, and housekeeping standards.

Monitor…