Quality Assurance Technician

Quality Assurance Inspector

Location: Santa Fe Springs, CA (On-site) Type: Full-time / Hourly (Non-Exempt) Reports to: Quality Manager (of either Santa Fe Springs or Carson location)

Woojin IS America, Inc. (WISA), headquartered in Santa Fe Springs, CA, has become a fast-growing company specializing in manufacturing electric equipment for rolling stock and light rail vehicles. We are currently serving North America customers with endless technological innovations for safe and reliable transportation equipment that supports the life of the vehicle.

About the Role

The Quality Assurance Inspector is responsible for ensuring that all incoming materials, in-process components, and finished products conform to established quality standards and customer specifications. This position plays a key role in supporting Woojin IS America's Quality Management System (QMS) by performing inspections, documenting results, and maintaining compliance with internal and external quality requirements.

Key Responsibilities

• Perform inspections on incoming materials, in-process components, and final assemblies to verify conformance with engineering drawings, specifications, and quality standards.
• Utilize precision measurement tools and testing equipment to assess product dimensions, functionality, and appearance.
• Identify and document non-conformances; segregate and reject materials or products that fail to meet requirements.
• Maintain complete and accurate inspection records, reports, and test data in accordance with QMS procedures.
• Audit production processes to verify traveler accuracy, documentation completeness, and adherence to customer hold points.
• Support internal and external audits by providing objective evidence of inspection records, calibration certificates, and process documentation.
• Work closely with production, engineering, and quality teams to resolve non-conformance issues.
• Participate in root-cause analyses and contribute to corrective and preventive action (CAPA) activities.
• Support continuous improvement by identifying trends, recurring issues, and opportunities to enhance quality and efficiency.
• Prepare and compile First Article Inspection (FAI) reports and Car History Books in support of customer submissions.
• Assist with maintaining inspection procedures, work instructions, and quality records in compliance with ISO 9001 and customer requirements.
• Support other quality-related assignments as directed by management.

Required Qualifications

• High School Diploma or equivalent required.
• Associate or bachelor's degree in engineering, quality assurance, or a related field preferred.
• Minimum 2 years of experience in quality inspection or assurance in a manufacturing or production environment.
• Experience in electrical or mechanical assembly inspection preferred.

Technical Skills

• Ability to read and interpret technical drawings, blueprints, and specifications.
• Skilled in using precision inspection tools such as calipers, micrometers, gauges, and multimeters.
• Familiarity with ISO 9001 standards and QMS documentation requirements.
• Proficiency with Microsoft Office applications (Excel, Word, Outlook).

Behavioral Competencies

• Strong attention to detail and accuracy.
• Analytical mindset with problem-solving ability.
• Effective written and verbal communication skills.
• Dependable, self-motivated, and capable of working independently or as part of a team.

Compensation & Benefits

• Hourly Rate: $22.00 – $26.00 (based on experience)
• Health Benefits: Medical, Dental, Vision, Short-Term Disability, and Critical Illness coverage
• Paid Time Off: Vacation, Sick Leave, Bereavement, and Paid Holidays
• Retirement Plan: 401K