Quality Assurance Supervisor

Employment Type: Full-Time, On-Site (No Remote Option)

Direct Reports: 2–10, depending on experience

Hardin Optical Company is seeking a hands-on Quality Assurance Supervisor to oversee plant-wide quality activities and support the continued effectiveness of our Quality Management System (QMS).

This position leads Quality Assurance teams supporting multiple optical manufacturing product groups. The Quality Assurance Supervisor works closely with Operations and other departments to maintain ISO 9001:2015 certification, strengthen quality processes, resolve product and process concerns, and promote consistent product quality and customer satisfaction.

The ideal candidate combines strong QMS knowledge with practical manufacturing problem-solving skills. This role requires a visible, engaged supervisor who is comfortable working directly with production teams and building a culture in which quality is understood as a plant-wide responsibility.

• Lead the maintenance of ISO 9001:2015 certification, including preparation for annual certification and surveillance audits.
• Oversee and continuously improve the plant-wide QMS.
• Coordinate internal audits, CAPA, document control, quality training, training matrices, supplier qualification, quality meetings, Management Business Reviews, PO contract reviews, and flow-down of customer quality requirements.
• Oversee processes for customer-owned property, post-production review, nonconforming material, Material Review Board activities, waiver requests, and Return Material Authorizations.
• Ensure quality procedures, records, and documentation remain accurate, effective, and aligned with customer and business requirements.

• Supervise Quality Assurance teams supporting multiple product groups.
• Assign work, establish priorities, provide coaching, and support employee performance and development.
• Partner with Operations to strengthen quality ownership and accountability throughout the plant.
• Participate regularly in Gemba walks to identify emerging concerns and support timely corrective action.
• Collaborate with Supply Chain, Inspection, Manufacturing, Engineering, Maintenance, and Machine Shop teams on quality improvements.
• Promote early identification of quality concerns and incorporate lessons learned into processes to prevent recurrence.

• Establish reliable processes for collecting, analyzing, and reporting quality data.
• Analyze production data to identify trends, recurring defects, process weaknesses, and emerging risks.
• Develop and maintain meaningful quality KPIs and performance metrics.
• Communicate quality trends to production departments.
• Coordinate measurable action plans and monitor their completion and effectiveness.
• Use data to support fact-based decision-making and continuous improvement.

• Coach CAPA owners in root-cause analysis, structured problem-solving, and corrective and preventive action.
• Ensure failure investigations follow established procedures.
• Confirm actions are properly validated, documented, implemented, and reviewed for effectiveness.
• Conduct or support analyses of defective products and materials.
• Coordinate appropriate containment, disposition, and corrective action for significant quality concerns.

• Maintain processes that ensure products meet required specifications for quality, function, and reliability before shipment.
• Work with customers and internal stakeholders to investigate and resolve concerns involving delivered products.
• Collaborate with leadership, Engineering, and senior production personnel to establish appropriate quality standards.
• Identif…