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Woojin IS America Inc
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  • Production Supervisor  

    - Los Angeles County
    Job Title: Production Supervisor Location: Carson, CA (Santa Fe Spring... Read More
    Job Title: Production Supervisor Location: Carson, CA (Santa Fe Springs, CA for first 6 months) Reports To: Head of Operations – Carson facility Department: Production 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 Production Supervisor is responsible for overseeing day-to-day rolling stock and light rail manufacturing operations, ensuring safety, quality, productivity, and employee engagement within assigned production areas. This position plays a critical role in meeting customer commitments, optimizing resources, and driving continuous improvement across processes and teams. Key Responsibilities Production Supervision Plan and direct daily production activities for railcar refurbishment, overhaul, and modification projects , schedules, staffing and priorities to meet delivery and quality targets. Monitor progress against established goals, identifying variances and developing recovery plans for schedule, cost, and quality performance. Ensure efficient use of manpower, machines, and equipment while maintaining a high standard of product quality. Coordinate production activities with cross-functional teams such as Engineering, Quality, Purchasing, and Warehouse. Safety and Compliance Enforce all safety protocols and ensure employees are properly trained and certified. Conduct regular safety audits, maintain a clean and organized work environment, and drive compliance with 5S principles. Promote a culture of zero incidents through proactive hazard identification and corrective actions. People Leadership Supervise, coach, and develop production staff to achieve individual and team performance goals. Conduct regular performance evaluations in coordination with HR, providing constructive feedback and development plans. Foster a positive, motivated, and collaborative work environment that supports employee engagement and retention. Continuous Improvement Partner with Methods, Engineering, and Quality teams to enhance process efficiency, work cell optimization, and overall throughput. Lead daily production meetings to review safety, quality, material availability, and improvement opportunities. Implement continuous improvement initiatives to increase productivity, reduce waste, and strengthen quality. Reporting and Analysis Track and report key performance indicators (KPIs), including productivity, efficiency, and labor utilization. Review and approve employee time reports to ensure accurate project and cost tracking. Support long-term production planning and capacity forecasting. Qualifications High school diploma required; Associate or Bachelor’s degree in Manufacturing, Industrial Engineering, or Business preferred. 3–5 years of supervisory experience in rail manufacturing or production environment. Strong leadership, communication, and interpersonal skills with the ability to motivate and manage diverse teams. Excellent problem-solving and analytical abilities in a fast-paced environment. Working knowledge of production processes, quality standards, and ERP or manufacturing software systems. Commitment to safety, quality, and continuous improvement. Ability to manage multiple priorities and adapt to changing production needs. Performance Expectations Ensure all safety, quality, and productivity targets are met or exceeded. Maintain an organized and efficient work area in compliance with company standards. Demonstrate visible leadership presence on the production floor. Support a culture of accountability, teamwork, and operational excellence. What We Offer Competitive compensation package commensurate with experience. Comprehensive health, dental, and vision insurance. Paid time off, holidays and retirement plan. Opportunity to work in a growing, innovative rail manufacturing company. Collaborative, team-oriented environment focused on safety, quality, and continuous improvement. Read Less
  • Head of Operations  

    - Los Angeles County
    Job Description: Head of Operations – Carson Facility Location: Carson... Read More
    Job Description: Head of Operations – Carson Facility Location: Carson, CA Department: Operations Reports To: VP identify variances and implement corrective actions. Coordinate production activities with Engineering, Quality, Purchasing, Warehouse, and Program Management to ensure proper material availability, technical clarity, and timely project execution. Maintain the facility in an organized, clean, and efficient state; ensure compliance with 5S standards across all railcar bays and work areas. Safety, Quality, and Compliance Ensure all employees follow established safety procedures and that safety training is current, especially in areas specific to railcar refurbishment such as confined space entry, elevated work, electrical lockout/tagout, welding, and hot work. Oversee quality assurance and ensure compliance with rail industry standards such as APTA, FRA, and customer-specific requirements. Monitor and verify that all work on railcars — including structural welding, interior installations, component replacements, wiring, and mechanical adjustments — meets specifications and approved inspection points. Support safety and quality audits; document findings and implement corrective actions as needed. Leadership and Employee Development Supervise, train, and develop production supervisors, leads, and employees performing railcar rebuild and refurbishment activities. Provide coaching and performance feedback to ensure individual and team development. Conduct regular employee evaluations in partnership with HR to assess performance, identify strengths, and address areas for improvement. Foster a culture of engagement, accountability, and teamwork across all levels of the production organization. Ensure adequate staffing levels, including specialized skills needed for railcar refurbishment (welders, electricians, mechanics, interiors technicians). Performance Monitoring and Improvement Track productivity, schedule adherence, and budget performance for each railcar project or unit; develop improvement plans where targets are not met. Approve weekly labor hours and ensure accurate allocation of costs to each railcar or project phase. Evaluate labor hours per unit versus budget; implement corrective actions as necessary. Lead continuous improvement initiatives aimed at reducing cycle times, improving workflow in railcar bays, and optimizing refurbishment processes. Support management in bid and proposal efforts by providing accurate refurbishment labor estimates, process definitions, and production planning data. Facility and Resource Management Oversee Maintenance department to ensure equipment reliability, including heavy tooling, lifting equipment, cranes, jigs, and railcar-specific fixtures. Ensure employees have the proper tools, PPE, materials, and equipment required for safe and effective refurbishment of railcars. Manage production resources and expenses within established budgets; request additional resources when justified. Maintain accountability for the condition, utilization, and productivity of facility assets and equipment. Supervisory Responsibilities Directly supervises production supervisors and team leads. Indirectly manages all production employees assigned to refurbishment and overhaul of railcars. Responsible for hiring, training, evaluation, and performance management in collaboration with HR. Qualifications Minimum 10 years of supervisory or management experience in manufacturing, railcar refurbishment, heavy equipment repair, or related fields. Experience overseeing railcar overhaul, midlife refurbishment, or new rail vehicle assembly (LRV, Metro, Commuter, Intercity, or APM sectors) strongly preferred. Strong understanding of railcar systems (electrical, mechanical, pneumatic, structural, interior components, propulsion, HVAC, and doors). Bachelor’s degree in Business, Industrial Management, Engineering, or a related field preferred; equivalent experience may be considered. Proficiency in Microsoft Office and ERP/manufacturing software. Demonstrated ability to manage large-scale refurbishment or re-manufacturing projects, including budgets and schedules. Excellent leadership, communication, and problem-solving skills. Performance Indicators Achievement of railcar refurbishment schedules and customer delivery commitments. Compliance with safety and quality standards specific to rail industry requirements. Performance within budgeted labor and material costs. Employee engagement, development, and retention. Implementation and sustainability of 5S and continuous improvement initiatives. Working Conditions On-site position at the Carson facility. Frequent work on or around railcars, including shop, yard, pits, and platforms. May require extended hours or weekend work to meet customer schedules. What We Offer Competitive compensation package commensurate with experience. Comprehensive health, dental, and vision insurance. Paid time off, holidays and retirement plan. Opportunity to lead a key facility in a growing, innovative rail manufacturing company. Collaborative, team-oriented environment focused on safety, quality, and continuous improvement. Read Less

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