Senior Controls / Systems Engineer

Location: San Antonio, TX

Compensation: $120,000–$130,000 annually bonus

Hours: Typically 8:30 AM–5:30 PM; schedule adjustments based on customer production needs

Employment Type: Full-time, On-site

Position Summary

Seeking an experienced Senior Controls / Systems Engineer with extensive hands-on Mitsubishi PLC programming and automotive manufacturing automation experience. This position requires an independent, customer-facing engineer capable of immediately managing controls engineering, commissioning, and complex troubleshooting with minimal supervision.

Key Responsibilities

• Design, program, modify, and troubleshoot Mitsubishi PLC systems using GX Works2/GX Works3.
• Develop and troubleshoot Mitsubishi GOT/HMI applications.
• Integrate PLCs with sensors, drives, safety devices, vision systems, and industrial networks.
• Perform equipment installation support, commissioning, startup, testing, and debugging.
• Diagnose electrical, controls, and communication failures; implement corrective actions.
• Review electrical schematics, control wiring, and PLC I/O specifications.
• Independently manage technical assignments, schedules, and customer communications.
• Coordinate with vendors and international engineering teams; maintain technical documentation and safety compliance.

Qualifications

Required:

• 7 years of industrial controls engineering or factory automation experience.
• 5 years of hands-on PLC programming and troubleshooting.
• Professional Mitsubishi PLC programming experience using GX Works2/GX Works3.
• Hands-on Mitsubishi GOT/HMI development and troubleshooting experience.
• Automotive manufacturing automation and production line experience.
• Proven ability to independently perform commissioning, equipment startup, and complex troubleshooting.
• Strong knowledge of electrical schematics, PLC I/O, CC-Link, and industrial Ethernet.
• Ability to communicate directly with customers and independently manage technical projects.
• Bachelor's degree in Electrical Engineering, Controls, Mechatronics, Automation, or equivalent experience.
• Willingness to travel domestically and internationally, including extended assignments.

Preferred:

• Allen-Bradley or Omron PLC experience.
• Automotive assembly, welding, robotics, or body shop automation experience.
• Keyence/Cognex vision systems and barcode integration.
• Knowledge of NEC, NFPA 70E/79, UL 508A, and AutoCAD Electrical.
• Industry 4.0, IIoT, or manufacturing data integration experience.
• Japanese language ability is a plus, not required.

Other Details

• Regular hours are 8:30 AM–5:30 PM, with occasional early mornings, evenings, weekends, and holidays based on customer production schedules.
• Domestic and international travel, including Japan and China; assignments may last 1–6 months.
• Must comply with customer-site safety and security requirements.