Senior Controls Engineer – PLC Programming & Facility SystemsSanta Clara, CA 95050 (Onsite)$58–$69/hr | 12-month contract We’re looking for a Senior PLC/SCADA Systems Integrator to support industrial and semiconductor facility projects. In this role, you’ll configure, program, and troubleshoot PLCs, HMIs, SCADA systems, instrumentation, and facility automation controls.This is a hands-on, onsite position working directly inside a highly technical client facility. What You’ll Do Program, configure, and test PLCs and HMI/SCADA systems (Rockwell, GE/Emerson, Ignition). Integrate facility systems, sensors, instrumentation, and control panels. Review and interpret P&IDs, wiring diagrams, loop sheets, and ISA symbols. Support on-site commissioning, startup, troubleshooting, and system validation. Coordinate with mechanical, electrical, and instrumentation teams on multi-discipline system design. Assist with design of control panels and electrical circuits using AutoCAD. Ensure system performance, reliability, and adherence to project scope, schedule, and quality standards. Must-Have Experience Associate degree in Electronics, Instrumentation, or related field. 6+ years industrial controls / system integration experience. Strong knowledge of PLCs, SCADA, HMI systems, and industrial automation. SQL Server Experience Rockwell and GE/Emerson PLC experience. Experience with Ignition (Inductive Automation). Able to read P&IDs using ANSI/ISA S5.1 symbols. Solid understanding of analog/digital I/O, relay logic, field wiring, and panel hardware. Proficient with Microsoft Office. Nice-to-Haves Cimplicity or advanced Rockwell programming experience. Semiconductor or advanced industrial facility experience. Control panel fabrication experience. SQL Server experience. Instrumentation/valve specification experience. Experience with analytical instruments (pH, conductivity, flow, pressure, temp, etc.). AutoCAD experience. Other Details Location: Fully onsite in Sunnyvale/Santa Clara, CA Contract: 12 months with potential extension Pay: $58–$69/hr (DOE) 70% PLC + HMI programming20% instrumentation / facility automation10% commissioning + multi-discipline coordinationG
Greenlight Professional Services