Develops and tests PLC, HMI, and SCADA programs; performs factory acceptance testing, commissioning, startup, troubleshooting, and field service. Supports instrumentation, electrical, and control-system design, creates technical documentation, and assists project managers with scheduling, budgeting, scope tracking, and integrated testing. The role requires extensive oil and gas automation experience, frequent travel, and a two-weeks-on/two-weeks-off fly-in/fly-out rotation.