Raul Peralta
Pasadena,USA
Summary
Instrument & Controls Technician with hands-on commissioning and startup experience across petrochemical, refinery, gas-processing, and industrial facilities. Strong background in loop checks, instrument calibration, and Safety Instrumented System (SIS) testing, with working knowledge of DCS and PLC platforms including DeltaV, Honeywell, Foxboro, Triconex, and Mark VI. Skilled at troubleshooting from the field to the control room and interpreting P&IDs, loop drawings, and electrical prints to verify installation and drive successful system turnover. NCCER-certified in both Instrument Technician and Electrician disciplines, seeking an I&C / commissioning role supporting capital projects and startup teams.
Overview
1
1
Certification
6
6
years of professional experience
Work History
I&C Technician
Aspen Technical Staffing
Cedar Rapids, IA
02.2026 - Current
- Execute loop checks and commission Allen-Bradley PLC systems, verifying end-to-end I/O from field devices through control panels.
- Test and validate protective relays to confirm proper operation and system coordination, and lead VFD startup and validation confirming control signals, feedback, and PLC integration.
- Interpret P&IDs, loop diagrams, one-lines, and schematics to support installation verification and troubleshooting, partnering closely with engineers and commissioning teams to resolve issues and drive successful system startup.
- QTS Data Center
Instrument Technician
Norrell Construction
Deer Park, TX
08.2025 - 12.2025
- Performed functional checkout, testing, calibration, and commissioning of Rosemount and Vega instruments in coordination with Supported Lubrizol operations and initiatives I&E during daily walkdown reviews.
- Conducted SIS testing on control valves and field instruments to verify safety function and compliance with site procedures, and calibrated and functionally tested pressure, temperature, and level switches to confirm setpoints, deadbands, and alarm trips.
- Removed obsolete field instruments and installed replacements in accordance with P&IDs, drawings, and site standards.
- Lubrizol
Commissioning Technician
US Trades
LaBarge / Shute Creek, WY
05.2025 - 07.2025
- Commissioned and troubleshot Det-Tronics gas and smoke detectors and FireEye flame detectors to ensure reliable fire and gas detection, along with Eaton beacon lights and MEDC sirens for critical alarm systems.
- Conducted loop checks and troubleshooting across a wide range of field instruments including PIT, LIT, TIT, and PDIT devices and vibration monitoring systems, and applied extensive hands-on experience with Yokogawa transmitters for configuration, calibration, and commissioning.
- Walked down engineering work packages and returned them completed to meet operational and regulatory standards.
- ExxonMobil
I&C Technician
Contech
Channelview, TX
02.2025 - 04.2025
- Completed daily walkdown packages with LyondellBasell I&E and performed function testing of instruments and valves alongside the client to confirm proper operation.
- Disconnected obsolete valves and reconnected new valves upon installation, and troubleshot instruments from the control room to the field to support project turnover.
- CVO / LyondellBasell
I&C Technician
Bayou Electrical Services
Baytown, TX
01.2024 - 11.2024
- Executed precut and walkdown work packages built from location drawings, P&IDs, and loop drawings covering control-room cabinets and field junction boxes.
- Identified discrepancies and redlined documents so drawings could be updated, documented and sorted field photographs for engineering review, and tagged instrumentation to support the 2025 cutover.
- Oversaw daily activities at BEF Enterprise.
I&E Technician
S&B Constructors
Mont Belvieu, TX
03.2023 - 09.2023
- Frac 7 (Mont Belvieu, TX): Performed functional checkout, testing, calibration, and commissioning of Honeywell systems and proved safety-system interlocks per drawing.
- Coordinated with other crafts, planners, and engineers to align plans and build start-to-finish schedules for the project.
- PDH 2: Calibrated and bench-tested instrumentation and valves, terminated junction boxes, cabinets, and instrumentation while verifying all wiring was installed per drawings, and function-tested instrumentation and valves to ensure installation met specification prior to sell-off to the client.
- Frac 7, Mont Belvieu, TX & PDH 2
I&E Technician
MMR Constructors
Green River, WY
08.2020 - 02.2023
- Coordinated job permits with unit operators and troubleshot instruments from the control room to the field while installing power and instrument wiring and conduit.
- Operated forklifts, aerial lifts, and boom lifts as required, and maintained shop and work areas in clean, orderly, and safe condition.
- Pressure, temperature, level, and flow transmitters
- 4–20 mA loop calibration and troubleshooting
- RTD and thermocouple testing
- Control valve calibration, stroking, and positioner setup
- Smart transmitters and HART communicator / Trex
- Williams Compressor Station
Education
NCCER Instrument Technician Program - Knowledge & Performance
Cal Industrial Trade School
High School Diploma -
Career Technical High School
Skills
- Commissioning & Startup Support
- Loop Checks & Functional Testing
- Instrument Calibration (Pressure, Level, Temperature, Flow)
- SIS / Safety Instrumented System Testing
- DCS / PLC / HMI Systems (DeltaV, Honeywell, Foxboro, Triconex, Mark VI)
- Allen-Bradley PLC
- VFD Startup & Validation
- Protective Relay Testing
- Control Valve & MOV Testing / Repair
- Fieldbus & HART Communication
- P&ID, Loop Drawing & Electrical Print Interpretation
- QA/QC Turnover Packages & Redlining
- Fire & Gas Detection Systems
- Vibration Monitoring (Bentley Nevada)
- Shutdowns, Turnarounds & Capital Projects
- Troubleshooting (Field to Control Room)
- Test Equipment: HART Communicators (375/475, Emerson Trex), Honeywell & Foxboro Communicators, Fluke (724/725/744/754/787/789), Loop Calibrators & Multimeters
Certification
- NCCER Certified Instrument Technician (Knowledge & Performance), #17838179
- NCCER Certified Electrician, #17838179
- TDLR Apprentice License, #482066
- OSHA 10
- TWIC Card
- Safety Council Basic Plus
Timeline
I&C Technician
Aspen Technical Staffing
02.2026 - Current
Instrument Technician
Norrell Construction
08.2025 - 12.2025
Commissioning Technician
US Trades
05.2025 - 07.2025
I&C Technician
Contech
02.2025 - 04.2025
I&C Technician
Bayou Electrical Services
01.2024 - 11.2024
I&E Technician
S&B Constructors
03.2023 - 09.2023
I&E Technician
MMR Constructors
08.2020 - 02.2023
NCCER Instrument Technician Program - Knowledge & Performance
Cal Industrial Trade School
High School Diploma -
Career Technical High School