Commissioning Supervisor

Job Position :

• Commissioning Supervisor Location : Seattle, WA Type : Full-time / Project-based (Exempt) Reports to : Senior Manager Technical Services About Us Woojin IS America, Inc. (WISA), situated 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.  Job Objective Lead and coordinate the commissioning and validation activities of Light Rail Vehicles under the E-suite (tool to enhance communication & administration process for railroads) modernization program.
• The Commissioning Supervisor ensures installation quality, test performance, issue resolution, and effective communication between the depot team, engineering, and the Project Manager.
• This position serves as the primary on-site technical and operational lead, ensuring project execution meets safety, quality, and schedule objectives.
• Key Responsibilities Leadership & Coordination Plan, assign, and supervise daily activities of commissioning technicians and test personnel.
• Ensure work is performed according to approved procedures, drawings, and safety standards.
• Monitor installation progress and adjust priorities to maintain alignment with project milestones.
• Mentor and train team members to strengthen troubleshooting and documentation skills.
• Oversee employees' performance, provide feedback, and take disciplinary action, if required Technical Oversight Oversee installation and commissioning of E-Suite systems and components on LRVs.
• Perform and verify routine and validation tests, ensuring accurate results and reporting.
• Lead root-cause investigations and coordinate corrective actions with engineering.
• Maintain configuration control and ensure rework and modifications are properly documented.
• Customer & Project Interface Act as the primary on-site contact for the customer’s technical representatives.
• Provide daily / weekly status updates and test progress reports to the Project Manager.
• Participate in coordination meetings, validation sessions, and joint troubleshooting with the customer.
• Support warranty and field service activities, escalating technical or schedule risks proactively.
• Quality & Reporting Review test records, anomaly reports, and corrective actions for completeness and accuracy.
• Track and report key performance indicators (KPIs) related to test progress, open issues, and manpower.
• Identify recurring issues and propose process improvements to increase reliability and efficiency.

Requirements Education :

Experience :

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