Instrumentation & Controls (I/C) Technician

VA Simplified

Beaumont, TX

Pay: $50-$57/hr

Shift: Contract

**Position Summary**

The Instrumentation & Controls (I/C) Technician is responsible for the installation, inspection, calibration, maintenance, troubleshooting, testing, and repair of instrumentation and control systems throughout a Liquefied Natural Gas (LNG) facility.

This role supports safe and reliable plant operations by ensuring that field instruments, control valves, actuators, control loops, safety systems, and associated control equipment operate accurately and efficiently. The I/C Technician works closely with Operations, Maintenance, Electrical, Automation, and Engineering teams to maintain equipment reliability, minimize downtime, and support LNG production, storage, and export operations.

The successful candidate will have hands-on experience with industrial instrumentation, distributed control systems (DCS), programmable logic controllers (PLC), control valves, transmitters, and safety instrumented systems (SIS), preferably in an LNG, natural gas processing, refinery, or petrochemical environment.

Key Responsibilities

1. Instrumentation Maintenance and Calibration

Perform preventive, predictive, and corrective maintenance on field instrumentation throughout the LNG facility.

Calibrate, inspect, troubleshoot, and repair pressure, temperature, flow, and level transmitters, switches, gauges, and associated instrumentation.

Maintain and troubleshoot differential pressure transmitters, smart transmitters, radar and guided-wave radar level instruments, thermocouples, RTDs, flow meters, and other process measurement devices.

Perform instrument calibration using digital pressure calibrators, temperature calibrators, multifunction calibrators, HART communicators, and other specialized test equipment.

Conduct instrument loop checks, continuity checks, signal verification, functional testing, and commissioning activities.

Troubleshoot 4–20 mA signals, HART communications, discrete I/O, and applicable industrial communication networks.

Verify instrument ranges, engineering units, alarm setpoints, scaling, and configuration against approved instrument data sheets and control system documentation.

Identify instrument failures, signal drift, calibration discrepancies, and recurring maintenance issues, recommending corrective actions to improve reliability.

Maintain instrument tubing, manifolds, impulse lines, fittings, enclosures, junction boxes, and associated installation hardware.

Support instrument installation, replacement, upgrades, and modifications in accordance with approved engineering drawings and site procedures.

2. Control Valves, Actuators, and Final Control Elements

Inspect, calibrate, maintain, and troubleshoot pneumatic and electro-pneumatic control valves, positioners, actuators, and associated accessories.

Work with Fisher, Emerson, Siemens, ABB, and other applicable control valve and instrumentation equipment manufacturers.

Perform valve stroke testing, positioner calibration, actuator troubleshooting, and verification of valve travel and response.

Maintain and troubleshoot solenoid valves, limit switches, valve position feedback, pneumatic regulators, and instrument air systems.

Assist with control valve diagnostics, seat leakage testing, actuator repairs, and valve performance assessments as required.

Support maintenance and functional testing of emergency shutdown valves (ESD), blowdown valves, shutdown actuators, and other critical final control elements.

Identify sticking valves, excessive deadband, air leaks, slow response, and other performance issues affecting process control or safety.

Coordinate with valve technicians, Operations, and Engineering during valve overhauls, replacements, and commissioning activities.

3. DCS, PLC, and Control System Support

Support maintenance and troubleshooting of field instrumentation interfacing with distributed control systems (DCS), programmable logic controllers (PLC), and remote I/O systems.

Work with applicable control platforms, including Emerson DeltaV, Honeywell Experion, Siemens, ABB, and other site-installed systems.

Troubleshoot instrument signal failures, I/O channel faults, communication issues, bad process values, and control loop performance problems.

Verify field-to-control-room signal integrity and support loop checks and point-to-point testing during commissioning, shutdowns, and plant modifications.

Assist with controller, I/O, and control panel troubleshooting within the technician's authorized scope of work.

Support control loop tuning and performance verification in coordination with qualified control system engineers and process personnel.

Maintain and troubleshoot instrument power supplies, barriers, isolators, signal conditioners, marshalling cabinets, and field junction boxes.

Review control narratives, cause-and-effect charts, logic diagrams, loop drawings, and instrument index documentation to support troubleshooting.

Assist with control system upgrades, instrument migrations, software