Quality Assurance Supervisor

Solenis is a leading global producer of specialty chemicals focused on delivering sustainable solutions for water-intensive industries, including consumer, industrial, institutional, food and beverage, and pool and spa water markets. Owned by Platinum Equity, the company’s product portfolio includes a broad array of water treatment chemistries, process aids, functional additives, and cleaners and disinfectants, as well as state-of-the‑art monitoring and control systems. These technologies are used by customers to improve operational efficiencies, enhance product quality, protect plant assets, minimize environmental impact, and create cleaner and safer environments. Headquartered in Wilmington, Delaware, the company has 69 manufacturing facilities strategically located around the globe and employs a team of over 16,500 professionals in 160 countries across six continents. Solenis is a 2025 US Best Managed Company, recognized five years in a row. For more information about Solenis, please visit

POSITION SUMMARY

Reporting to the Quality Assurance Manager, this role supervises the Quality department and provides technical support related to product chemistry, quality systems, and regulatory compliance. The position ensures compliance with GMP, ISO, Health Canada, FDA, and environmental standards while supporting plant operations in a team‑based environment. This role serves as the backup to the QA Manager when required.

KEY RESPONSIBILITIES

• Ensure compliance with all Solenis safety, quality, and environmental requirements
• Supervise QA staff, including scheduling, time‑off management, and weekly payroll
• Lead supplier and customer quality investigations, including NCRs, CAPAs, and complaint resolution
• Coordinate product release activities and quality documentation to support timely shipment
• Conduct internal GMP and ISO 9001 / ISO 14001 audits
• Maintain quality procedures, training compliance, and regulatory alignment
• Manage QA laboratory needs, including purchase requisitions and testing readiness
• Coordinate and document equipment and process validations
• Prepare quality data for Management Review and present QA updates at plant meetings
• Participate in continuous improvement initiatives (5 Why, Kaizen, TPM)
• Support employee reviews, investigations, and disciplinary processes
• Adjust shifts and work overtime as needed to support business needs
• Perform other duties as assigned

REQUIRED QUALIFICATIONS

• Bachelor's degree in Chemistry, Chemical Engineering, Quality Engineering, or related science (or equivalent post‑secondary education with Chemistry background)
• 3+ years QA leadership or supervisory experience in a GMP‑regulated manufacturing environment
• Proficiency with MS Office; SAP experience is an asset

ADDITIONAL QUALIFICATIONS

• Strong organizational, communication, and problem‑solving skills
• Safety‑focused, detail‑oriented, and collaborative
• Adaptable to changing priorities in a fast‑paced environment
• Experience with IR, UV/Vis, HPLC, and GC instrumentation (asset)
• Willingness to work overtime, evenings, or weekends as required

#LI‑Onsite We understand that candidates will not meet every single desired qualification. If your experience looks a little different from what we’ve identified and you think you can bring value to the role, we’d love to learn more about you. At Solenis, we understand that our greatest asset is our people. That is why we offer competitive compensation, comprehensive benefits which include health, dental, vision and a defined contribution pension plan, and numerous opportunities for professional growth and development. So, if you are interested in working for a world‑class company and enjoy solving complex challenges, whether in the lab or the field, consider joining our team.

Solenis is proud to be an equal opportunity employer. Applications from all qualified individuals are welcome, and will be considered without regard to any ground protected by human rights legislation, including race, ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity, gender expression, age, record of offences, marital status, family status, and disability. Solenis provides reasonable accommodation to individuals with disabilities in the recruitment process, and invites candidates to let us know about their accommodation needs.

The expected compensation range for this position is between $58,450.00 and 77,930.00 plus discretionary bonuses. The exact compensation may vary based on your skills, experience and other factors permitted by law.

Regulatory Disclosure This posting is for an existing vacancy. We do not use artificial intelligence or automated decision‑making tools to screen, assess, or select applicants.

Solenis is proud to be an equal opportunity and affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or protected veteran status and will not be discriminated against on the basis of disability.

Solenis is a leading global provider of water and hygiene solutions. The company’s product portfolio includes a broad array of water treatment chemistries, process aids, functional additives, cleaners, disinfectants, and state‑of‑the‑art monitoring, control and delivery systems. These technologies are used by customers to improve operational efficiencies, enhance product quality, protect plant assets, minimize environmental impact, and create cleaner and safer environments. Headquartered in Wilmington, Delaware, the company has 78 manufacturing facilities strategically located around the globe and employs a team of over ~23000 professionals in >160 countries across six continents. Solenis is a 2025 Best Managed Company Gold Standard honoree. For additional information about Solenis, please visit or follow us on social media.