Woojin IS America, Inc
Quality Supervisor
Woojin IS America, Inc, Santa Fe Springs, California, United States, 90670
Pay Range:
$70,000.00/yr – $100,000.00/yr
Location:
Initially Santa Fe Springs, CA; relocating to Carson, CA (On‑Site)
Department:
Quality
Reports To:
Quality Manager
Employment Type:
Full‑Time, Exempt
About Us Woojin IS America, Inc. (WISA), headquartered in Santa Fe Springs, CA, is a fast‑growing manufacturer specializing in electric equipment for rolling stock and light rail vehicles. We proudly serve North American customers with advanced technologies that deliver safe, reliable, and long‑lasting transportation equipment.
About the Role The Quality Supervisor ensures that all products, documentation, and services meet established quality standards through inspections, testing, and compliance checks. This role upholds WISA’s high‑quality standards to maintain customer satisfaction and strengthen the company’s reputation. The Quality Supervisor oversees daily quality operations, leads a team of inspectors, and collaborates closely with cross‑functional teams to ensure compliance with customer, company, and regulatory requirements.
Key Responsibilities Leadership & Supervision
Lead and manage a team of quality and receiving inspectors, providing training, mentorship, and performance evaluations
Assign and oversee daily work assignments, ensuring quality staff collaborate effectively toward shared goals
Serve as both a hands‑on contributor and a team leader
Monitor employee performance, attendance, and discipline as needed
Quality Control & Assurance
Develop and implement quality control procedures to maintain production and regulatory standards
Oversee inspection and testing of products to ensure compliance with specifications, including customer and internal hold points
Document inspection results, maintain quality metrics, and analyze data to identify trends and opportunities for improvement
Conduct regular audits of processes, production lines, and documentation for compliance with WISA standards
Prepare and present reports summarizing audit and inspection outcomes and highlight improvement areas
Compliance & Documentation
Ensure adherence to industry regulations, customer specifications, and company standards
Support internal and external audits (customer and ISO 9001)
Prepare and complete FAI (First Article Inspection) packages and Car History Books
Coordinate MRB (Material Review Board) meetings and manage non‑conformance processes
Possess authority to stop production when quality or process standards are not met
Continuous Improvement
Analyze quality data to identify root causes and lead corrective and preventive actions (CAPA)
Drive continuous improvement initiatives to enhance product quality and operational efficiency
Support training of quality staff on QMS systems, company procedures, and safety/ethics policies
Track and monitor Quality KPIs and implement actions to improve results
Required Qualifications Education
Bachelor’s degree in quality management, engineering, or a related field
Experience
Minimum 5 years of experience in quality assurance or control, including supervisory experience in manufacturing (preferably rail, heavy equipment, or electrical systems)
Certifications (Preferred)
Six Sigma, ASQ Certified Quality Engineer (CQE), or ISO 9001 Lead Auditor certification
Technical Skills
Proficiency in quality control software, data analysis tools, and Microsoft Office
Strong understanding of ISO 9001 QMS principles
Ability to read blueprints, technical drawings, and product specifications
Knowledge of inspection tools and measurement methods (calipers, gauges, micrometers, etc.)
Behavioral Competencies
Strong leadership and communication skills
High attention to detail and analytical ability
Proven problem‑solving skills and accountability
Reliable, ethical, and team oriented
Work Environment
On‑site role within a manufacturing environment; may require walking the production floor regularly
Position may involve coordination across shifts and facilities (Santa Fe Springs and Carson)
Compensation & Benefits
Salary Range $70,000 – $100,000
Health Insurance (Medical, Dental, Vision, STD, Critical Illness)
Paid Time Off (Vacation, Sick, Bereavement), Paid Holidays
Retirement Plan (coming soon)
Seniority Level Mid‑Senior level
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$70,000.00/yr – $100,000.00/yr
Location:
Initially Santa Fe Springs, CA; relocating to Carson, CA (On‑Site)
Department:
Quality
Reports To:
Quality Manager
Employment Type:
Full‑Time, Exempt
About Us Woojin IS America, Inc. (WISA), headquartered in Santa Fe Springs, CA, is a fast‑growing manufacturer specializing in electric equipment for rolling stock and light rail vehicles. We proudly serve North American customers with advanced technologies that deliver safe, reliable, and long‑lasting transportation equipment.
About the Role The Quality Supervisor ensures that all products, documentation, and services meet established quality standards through inspections, testing, and compliance checks. This role upholds WISA’s high‑quality standards to maintain customer satisfaction and strengthen the company’s reputation. The Quality Supervisor oversees daily quality operations, leads a team of inspectors, and collaborates closely with cross‑functional teams to ensure compliance with customer, company, and regulatory requirements.
Key Responsibilities Leadership & Supervision
Lead and manage a team of quality and receiving inspectors, providing training, mentorship, and performance evaluations
Assign and oversee daily work assignments, ensuring quality staff collaborate effectively toward shared goals
Serve as both a hands‑on contributor and a team leader
Monitor employee performance, attendance, and discipline as needed
Quality Control & Assurance
Develop and implement quality control procedures to maintain production and regulatory standards
Oversee inspection and testing of products to ensure compliance with specifications, including customer and internal hold points
Document inspection results, maintain quality metrics, and analyze data to identify trends and opportunities for improvement
Conduct regular audits of processes, production lines, and documentation for compliance with WISA standards
Prepare and present reports summarizing audit and inspection outcomes and highlight improvement areas
Compliance & Documentation
Ensure adherence to industry regulations, customer specifications, and company standards
Support internal and external audits (customer and ISO 9001)
Prepare and complete FAI (First Article Inspection) packages and Car History Books
Coordinate MRB (Material Review Board) meetings and manage non‑conformance processes
Possess authority to stop production when quality or process standards are not met
Continuous Improvement
Analyze quality data to identify root causes and lead corrective and preventive actions (CAPA)
Drive continuous improvement initiatives to enhance product quality and operational efficiency
Support training of quality staff on QMS systems, company procedures, and safety/ethics policies
Track and monitor Quality KPIs and implement actions to improve results
Required Qualifications Education
Bachelor’s degree in quality management, engineering, or a related field
Experience
Minimum 5 years of experience in quality assurance or control, including supervisory experience in manufacturing (preferably rail, heavy equipment, or electrical systems)
Certifications (Preferred)
Six Sigma, ASQ Certified Quality Engineer (CQE), or ISO 9001 Lead Auditor certification
Technical Skills
Proficiency in quality control software, data analysis tools, and Microsoft Office
Strong understanding of ISO 9001 QMS principles
Ability to read blueprints, technical drawings, and product specifications
Knowledge of inspection tools and measurement methods (calipers, gauges, micrometers, etc.)
Behavioral Competencies
Strong leadership and communication skills
High attention to detail and analytical ability
Proven problem‑solving skills and accountability
Reliable, ethical, and team oriented
Work Environment
On‑site role within a manufacturing environment; may require walking the production floor regularly
Position may involve coordination across shifts and facilities (Santa Fe Springs and Carson)
Compensation & Benefits
Salary Range $70,000 – $100,000
Health Insurance (Medical, Dental, Vision, STD, Critical Illness)
Paid Time Off (Vacation, Sick, Bereavement), Paid Holidays
Retirement Plan (coming soon)
Seniority Level Mid‑Senior level
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