Summary
Overview
Work History
Skills
Certification
Languages
Timeline
Generic

Rafael Zarraga

Verona,MO

Summary

Detail-oriented instrument and controls technician with 7 years of hands on experience in installation, calibration, troubleshooting, and maintenance of industrial instrumentation and control systems. Proven ability to work safely and efficiently in high risk environments including oil and gas, petrochemical, and power generation facilities. Skilled in loop checks, commissioning, and interpreting P&IDs and I/O lists. Committed to safety, accuracy, and teamwork on every job.

Overview

7
7
years of professional experience
1
1
Certification

Work History

I&C Technician

Omniscient Solutions, Inc.
04.2024 - 06.2025
  • Removed damaged instruments and repaired components.
  • Identified issues by testing and troubleshooting instruments, components and assemblies.
  • Diagnosed problems in instruments to identify repair or replacement of equipment.
  • Performed routine and preventative maintenance, promoting ongoing functionality of instruments.
  • Ensured accurate documentation of all I&C procedures, maintaining detailed records for future reference and regulatory compliance purposes.

I&C Technician

Zachry Group
08.2023 - 04.2024
  • Installed and terminated signal wiring for PLC panels and instruments.
  • Conducted functional testing and troubleshooting during plant turnaround.
  • Used fluke meters, HART communicators, and pneumatic calibrators.
  • Performed loop test back to the control room.

I&C Technician

JV Industrial
01.2023 - 07.2023
  • Supported QA/QC documentation for instrument installation and loop packages.
  • Read and interpreted P&IDs, isometrics, and wiring diagrams.
  • Reduced downtime by troubleshooting and resolving complex I&C issues in a timely manner.
  • Provided technical training to junior technicians, enhancing their understanding of I&C principles and best practices.
  • Performed preventive and predictive maintenance on equipment, machinery and components.

Instrument Technician

Wood Group
08.2021 - 12.2022
  • Increased production efficiency with diligent troubleshooting and repair of instrument malfunctions.
  • Interpreted equipment manuals and schematics to determine corrective actions for repairs, calibrations, and installations.
  • Performed repair procedures on damaged instruments and sourced replacements from approved vendors.
  • Provided technical support to team members during complex troubleshooting efforts, sharing expertise when necessary to resolve issues quickly and efficiently.

I&C Technician

Fluor Corporation
04.2020 - 07.2021
  • Calibrated transmitters and control valves.
  • Executed preventive maintenance programs and documented CMMS entries.
  • Assisted electrical team with power and control wiring tasks.
  • Performed function test and loop testing.
  • Cause & Effects along with commissioning.


I&C Technician

Bechtel
03.2018 - 03.2020
  • Ensured accurate documentation of all I&C procedures, maintaining detailed records for future reference and regulatory compliance purposes.
  • Optimized plant operations by conducting maintenance checks on control systems and instrumentation equipment.
  • Installed instrumentation per spec sheets and performed function/calibration test.
  • Gained experience with DeltaV and Siemens control platforms.

Skills

  • Instrumentation installation
  • Field instrumentation
  • Electrical schematics reading
  • Gas detection systems
  • Cause & Effect/Commissioning
  • Instrumentation calibration
  • Bilingual

Certification

Instrument Technician NCCER # 400182216

Languages

Spanish
Native or Bilingual
English
Native or Bilingual

Timeline

I&C Technician

Omniscient Solutions, Inc.
04.2024 - 06.2025

I&C Technician

Zachry Group
08.2023 - 04.2024

I&C Technician

JV Industrial
01.2023 - 07.2023

Instrument Technician

Wood Group
08.2021 - 12.2022

I&C Technician

Fluor Corporation
04.2020 - 07.2021

I&C Technician

Bechtel
03.2018 - 03.2020

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Rafael Zarraga