Rail Site Supervisor

6-12 Month Contract in Los Angeles, CA

As a Site Supervisor, you will support and report directly to the Project Manager, serving as the primary for day‑to‑day field operations on a rolling stock project in Los Angeles.

You will be responsible for daily management, task coordination of 4–10 technicians and subcontractors. You will enforce safety protocols, ensure all work follows engineering specifications, and act as the main onsite liaison between the client and the remote project team.

• Conduct daily job briefings with the site team.

• Ensure all technicians and subcontractors follow SYSTRA and site safety protocols.

• Coordinate daily activities for a team of 4–10 technicians and subcontractors.

• Support the Project Manager with adjustments to execution plans to meet schedule and deliverables.

• Monitor and guide technicians to ensure work aligns with engineering drawings and inspection procedures.

• Communicate with the remote engineering team to clarify ambiguous drawings or procedures.

• Help with testing, installations, and inspections to maintain schedule and quality.

• Be the primary onsite interface for the client.

• Facilitate discussions between the client team and the remote Project Manager.

• Manage onsite tools, equipment, and materials inventory.

• Complete and approve testing and inspection reports; maintain accurate records.

• Provide weekly summary reports covering progress, resources, schedule updates, and risks.

• 8+ years supervising field teams of at least five members—within heavy‑duty vehicle or equipment repair, and preferably in the rail industry.

• Commitment to safety, hazard mitigation, and risk management.

• Working knowledge of:

  • Electrical distribution systems

  • HVAC systems

  • Pneumatic actuators

  • Interior finishing

  • Metal work

• Experience testing, troubleshooting, and collaborating with engineering teams.

• AAR Carman certification is a significant asset.

• Comfortable working onsite full‑time and serving as the primary onsite representative to both the client and the remote PM.

If you are as committed to your success as we are committed to your safety, then this is the position for you! For us, our guiding principle has always been and will continue to be the safety of our people. It's that simple!

WECTEC Staffing Services delivers customer-focused solutions, offering everything from high-volume, cost-effective staffing to specialized niche roles, while maintaining best-in-class service. Our employees bring expertise across technical and corporate functions, supporting international contracts in over five countries. We invite you to explore opportunities within our distinguished global talent network.

• Comprehensive Health and Income Protection Benefits

• 401(k) Savings Plan

• Paid Vacations for Qualifying Positions

We are committed to transparency and equity in all our people practices. The base salary range for this position, which is dependent upon experience, qualifications and skills, is estimated to be $45‑50/hr.

WECTEC Staffing Services continues to successfully place professional and technical resources into key roles globally. You can learn more by visiting

You can submit your completed application, and explore other available options, using the following link: ca

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• Equipment Troubleshooting
• Mechanical Troubleshooting Skills
• Electrical Repair
• Maintenance and Repair Skills
• Mechanical Assembly Skills
• High School / GED
• Excellent Communication Skills