Senior Quality Assurance Specialist

Job Title: Senior Quality Assurance Specialist 

Department: Quality Assurance

Reporting to: Quality Assurance Manager

Location: Brookfield, Connecticut

Vacancy Status: This posting is for an existing vacancy.

Greenfield is looking for a Senior Quality Assurance Specialist to join our growing team. 

The QA Senior Specialist provides experienced quality assurance and document management support in a GMP-regulated manufacturing environment. The role independently executes core QA activities, serves as a resource for batch records, labeling, document control, and quality systems, and leads investigations and continuous improvement efforts supporting compliance and product quality.

Who We Are: 

Greenfield Global is a leading producer and supplier of high-value, mission-critical raw materials, ingredients, and additives that are vital to businesses and integral to a lower-carbon economy. From start-ups to the largest brands in the world, customers trust Greenfield’s extensive portfolio of premium products, regulatory expertise, and industry-leading service to improve people’s lives and the health of the planet. 

Why Join Greenfield? 

We innovate, collaborate, and work with purpose. By unlocking the potential of people, partnerships, and nature to accelerate sustainable solutions for the health of the planet, our work has a positive impact on the environment around the world. We’re always looking for people who can bring new talents and experience to our team. 

Who You Are: 

• High School Diploma or GED required; additional education or professional quality certification preferred.
• Minimum 3 years of progressive experience in Quality Assurance, document management, or manufacturing support within a regulated environment.
• Demonstrated experience with batch record review, material or product disposition, labeling control, document management, investigations, and audit support.
• Working knowledge of GMP and ISO-based quality systems; chemical, pharmaceutical, or industrial manufacturing experience preferred.
• Strong analytical, organizational, problem-solving, and communication skills, with the ability to work independently, manage competing priorities, and lead cross-functional activities.

Job Responsibilities: 

Document Management & Label Control

• Issue and control labels, batch records, and other controlled documents supporting manufacturing and packaging operations.
• Create, revise, and maintain labeling masters, batch records, Work Instructions, procedures, inventories, and associated documentation.
• Lead labeling and document changes, including impact assessment, implementation, and cross-functional resolution of documentation issues.

Quality Assurance Operations

• Review executed Batch Production Records for completeness, accuracy, compliance, and documentation of critical process steps and in-process checks.
• Perform final quality review and disposition of raw materials, intermediates, and finished products; review and approve Certificates of Analysis.
• Review inbound and outbound shipments and perform in-process evaluations to verify compliance with specifications and quality requirements.
• Provide quality guidance to operational departments and support coordination of daily QA activities.

Investigations, Audits & Compliance

• Lead investigations of deviations, OOS results, complaints, and CAPAs, including root cause analysis and development of effective corrective and preventive actions.
• Conduct GMP audits of manufacturing, packaging, and warehouse operations and support regulatory, certification, and customer audits.
• Assess changes to processes, equipment, materials, and documentation to ensure appropriate risk assessment and validation requirements are addressed.
• Review quality and error data to identify recurring issues, systemic risks, and opportunities for improvement.

Continuous Improvement, Training & Metrics

• Analyze quality trends and metrics, prepare reports, and lead or support site quality improvement initiatives.
• Maintain quality procedures for accuracy, compliance, and effectiveness and support GMP, SOP, quality system, and onboarding training.
• Serve as a technical and procedural mentor to junior QA personnel and lead cross-functional quality initiatives as assigned.

Total Compensation & Care: 

• Base salary dependent on experience and demonstrated performance 
• Formal and informal training opportunities 
• Comprehensive health and dental benefits 
• Income protection: short- and long-term disability coverage, life insurance, paid personal sick time 
• Vacation time exceeding industry standards 
• Company funded retirement savings program with individual contribution opportunities 
• Meaningful and challenging work 
• Curated intentional culture focused on growth and development, engagement, and communication 

About Us 

We own and operate five distilleries, four specialty chemical manufacturing and packaging plants, and three next-generation biofuel and renewable energy R&D centers. This integrated model enhances supply chain transparency, quality control, custom formulation development, and ultimately customer satisfaction. 

Core Principles 

• Innovation: We are constantly seizing opportunities to develop new products, processes and methods to meet the diverse and demanding requirements of our customers. 
• Collaboration: We are part catalyst, part collaborator. We work with partners to get the most out of our existing products, and to develop custom solutions for our customer requirements. 
• Responsibility: Our commitment to give back to local communities in the US and Canada goes beyond the bottom line. We give back to the planet by processing renewable resources into low carbon fuels and chemicals. 
• Agility: Our team is not only fast, we has the flexibility and creativity to pivot with customer needs to develop custom-made, on-time solutions. 
• Discipline: At every plant, and for every customer, for every shipment, we put quality first. We operate a tight, transparent supply chain while meeting the highest regulatory standards. 

At Greenfield, people—not AI—make our hiring decisions. We use AI only for routine administrative support and never to screen candidates or determine outcomes. Every application is reviewed by our team, and if any step involves increased AI use, we’ll inform candidates in advance. We’re committed to responsible, transparent, and fair hiring practices.