Alan Diaz

• Installed, wired, and calibrated pressure and flow transmitters using TREX
• Calibrated and maintained industrial instrumentation systems, ensuring accurate measurements and optimal performance of control equipment.
• Performed instrument verification tests and promptly addressed instrumentation and electrical issues as they arose.
• Terminated and verified wiring in FCS/SCS cabinets, IJBs, and EJBs, ensuring proper connections to prevent downtime and support reliable process control.
• Coordinated with board operators and the DCS control room to fine-tune, troubleshoot, and optimize instrument performance.

Electrician with hands-on experience installing, terminating, and troubleshooting industrial instrumentation systems

• Performed terminations for control wiring, power wiring, and signal wiring (4–20 mA, discrete I/O, analog, and digital signals)

• Installed and terminated field instruments including pressure, temperature, flow, and level transmitters

• Worked extensively inside DCS cabinets, marshalling panels, and PLC panels

• Read and interpreted P&IDs, loop diagrams, wiring diagrams, and control schematics

• Diagnosed and troubleshot issues with control valves and PMVs, as well as Rosemount pressure, temperature, level (including capillary systems), and flow transmitters in both active and inactive loops
• Proficient in the use of industry-standard calibration and diagnostic tools, including Emerson TREX and 475 communicators, Fluke 789 process multimeter, Crystal pressure pumps (low, medium, and high pressure), flame simulators, and PIE/Cal calibration equipment
• Calibrated, tested, and maintained industrial instrumentation systems to ensure accurate measurements, reliable control, and optimal process performance
• Worked closely with ICAD, shift, and senior instrumentation technicians to expand technical expertise by taking on progressively complex instrumentation tasks

• Installed, maintained, and calibrated industrial instrumentation and control systems in accordance with plant standards and specifications
• Collaborated effectively with coworkers and supervisors to optimize work efficiency, minimize downtime, and improve repair turnaround times
• Demonstrated the ability to learn quickly and adapt to new equipment, procedures, and operational environments
• Performed efficient troubleshooting, diagnostics, and repair of instrumentation and control system malfunctions to maintain safe and reliable operations

• Executed preventive, predictive, and corrective maintenance on pressure, temperature, level, and flow instrumentation to ensure process accuracy and equipment reliability
• Diagnosed instrumentation faults in live process loops, identifying root causes and implementing permanent corrective actions
• Performed advanced calibrations, loop checks, and functional testing using HART/Fieldbus communicators and certified reference equipment
• Maintained and serviced control valves, positioners, actuators, and associated accessories, including PMVs and feedback devices

• Performed verification testing on instrumentation and addressed electrical and instrumentation issues as they arose during operations
• Installed PMV components on various Hytork actuators and conducted functional testing to confirm proper operation
• Collaborated with senior technicians to troubleshoot, calibrate, and validate a wide range of instruments within assigned process units
• Conducted individual instrument calibrations and verification checks to ensure compliance with specifications and tolerances using HART and Fieldbus communicators
• Utilized precision reference equipment including Fluke 721, 725, 787, and 789 meters for accurate testing and documentation

• Performed routine and corrective maintenance on industrial instrumentation systems to ensure reliable and accurate process control
• Conducted verification, calibration, and functional testing of pressure, temperature, level, and flow instruments in accordance with manufacturer and plant specifications
• Installed, maintained, and serviced PMVs and actuator-mounted instrumentation, including functional and stroke testing to verify proper operation
• Diagnosed and repaired instrumentation and control system faults in active and inactive loops to minimize process disruptions

• Electrician skilled in servicing, installing, and repairing electrical systems within industrial and commercial facilities
• Routed, pulled, and terminated electrical and control cabling in compliance with NEC requirements, site standards, and project specifications
• Identified and corrected electrical issues involving motors, power distribution, panels, lighting, and control circuitry