Manuel Reyes
Texas City
Summary
Instrumentation Technician with over 5 years of hands-on experience in commissioning, start-up, and instrumentation support across
industrial and energy sectors. Holder of four NCCER certifications, demonstrating a strong foundation in instrumentation, electrical systems,
safety protocols, and field procedures. Proven ability to perform loop checks, calibrate and troubleshoot instruments, complete punch lists,
and maintain accurate and legible documentation such as B check sheets and RFIs. Proficient with HART communicators, Fluke meters,
Pressure & temperature simulators, and other key diagnostic tools. Experienced in DCS loop checks, fire & gas systems. Dedicated to operational safety, efficiency, and clear communication on all job sites. Extensive knowledge and familiarity
with major instrument manufacturers including Honeywell, Yokogawa, Allen-Bradley, Rosemount, and Emerson. Skilled at troubleshooting
and resolving complex control systems, maintaining DCS and PLCs, and utilizing advanced diagnostic techniques for gas
monitoring systems, vibration monitors, pressure & temperature control instruments. Thorough knowledge of NEC and NFPA 70E codes and
standards.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Commissioning I&C Technician
Udelhoven Oilfield System Services
Prudhoe Bay
12.2025 - 07.2026
- Executed comprehensive commissioning, startup support, loop checks, calibration, and troubleshooting of field instrumentation (pressure, level, flow, temperature, and gas detection) for oil & gas production facilities.
- Executed Safety Instrumented Function (SIF) testing per Cause & Effect (C&E;) matrices; troubleshot complex issues on Emerson DeltaV DCS, SIS systems, control valves (DVC), XV valves, and Fire & Gas systems to ensure operational reliability.
- Calibrated and validated transmitters using HART communicators and Fluke equipment; resolved loop integrity issues such as scaling errors, wiring discrepancies, and configuration problems, facilitating timely system activation.
- Coordinated startup activities by simulating process conditions, verifying alarm and trip logic, and confirming proper operation of safety-critical equipment with Operations and Engineering teams to ensure safety compliance.
- Contributed to Pikka Project in Alaska, supporting various operational phases.
Instrumentation Commissioning Technician
Kent
Port Arthur
07.2025 - 12.2025
- Led full I&E; commissioning execution including loop checks, startup support, and troubleshooting for Fire & Gas systems on Emerson DeltaV with CHARMs cabinets, Dräger open-path gas detectors, and Fireye flame scanners.
- Calibrated, configured, and range-set gas detection devices for propane, methane, and ethylene; verified alarm/trip points and conducted live loop sell-offs with DCS board operators for effective system turnover.
- Maintained traceable Oracle B-Sheet documentation, generated RFIs, verified punch-list closure, and troubleshot loop/wiring issues to ensure smooth system handover.
- Golden Pass LNG, Port Arthur, Texas
Instrument Technician
Sitewide Project Solutions
Cheyenne
05.2025 - 06.2025
- Organized loop folders (loop drawings, P&IDs, location drawings, spec sheets) and tested valves and instrumentation to verify signal integrity and system response per commissioning procedures.
- Calibrated and tested vibration switches, RTDs/thermocouples, and pressure transmitters; re-terminated devices and conducted loop checks for accurate DCS indications before system turnover.
- Calibrated and maintained various instrumentation systems for optimal performance.
- Diagnosed equipment failures and implemented effective repair solutions.
- Collaborated with engineers to design and improve control systems.
Instrumentation Technician
C2C Technical Services
Dickinson
04.2025 - 05.2025
- Installed and terminated field instrumentation (control valves, pressure, level, temperature transmitters); performed auto-calibration, stroke testing, five-point calibrations on valves, XV valves.
- Validated loop integrity through temperature simulation and scaling checks; collaborated with QA/QC to complete turnover documentation, ensuring compliant system handover.
- Marathon Refinery, North Dakota
Instrument Technician
MMR Group
Pasadena
04.2025 - 04.2025
- Executed SIS checkouts, cause-and-effect testing, and loop checks on temperature and pressure transmitters, ensuring calibration accuracy and interlock functionality met project safety requirements.
- Calibrated instrumentation using manufacturer-approved communicators, documenting results for traceability and facilitating final walkdowns and startup alongside client representatives.
- Chevron Pasadena, Texas
Instrument Technician
GroupOne Industrial
Baytown
01.2025 - 02.2025
- Installed new calibration rings on vessels for DPT transmitters, stroked valves, re-installed levels, troubleshot instrument and PLC cabinets, and verified SIS cause-and-effect procedures and permissives/interlocks. Tripped instruments past set criteria to confirm state changes and proper interlock response.
- LCY Baytown, Texas
- Installed and calibrated various instrumentation systems for optimal operation.
- Conducted regular maintenance and troubleshooting of equipment and instruments.
- Collaborated with engineering teams to ensure compliance with project specifications.
Instrument Technician
Universal Plant Services
Freeport
01.2023 - 01.2025
- Executed SIS checkouts, cause-and-effect testing, loop checks with board operators, bench and field calibration, and supported level probe removals/calibrations per customer change requests, ensuring compliance with operational standards. Used TREX and Fluke 789 to test and calibrate equipment and stroke valves, meticulously documenting all checks for lead commissioning technician.
- Freeport & Alvin, Texas
- Calibrated and maintained a variety of industrial instruments and control systems.
- Diagnosed equipment failures and implemented effective troubleshooting techniques.
- Collaborated with engineering teams to optimize instrument performance and reliability.
Commissioning / Instrument Tech
PSC Energy Solutions
Hastings
07.2024 - 12.2024
- Performed SIS testing, calibrations, loop checks, function testing, and troubleshooting; removed/installed transmitters per change orders and verified all test equipment documentation on B check sheets. Made notes of any visible damage to equipment and ensured instruments were functioning correctly before turnover.
- Hastings, Nebraska
Instrument Technician
Sitewide
New Orleans
04.2024 - 07.2024
- New construction project performing loop checks, valve stroking, and troubleshooting; communicated with client and coordinated with in-house I&E; during function tests. Worked directly with board operators to sell loops as part of the final checkout team.
- New Orleans, Louisiana
Commissioning / Instrument Technician
Triad Industrial
Pasadena
02.2024 - 04.2024
- Determined valves for maintenance and stroked new valves for calibration; worked on tank levels, limit switches, and pressure transmitters while selling loops with in-house I&E; during final checkout. Constantly communicated with board room operators to ensure equipment was functioning properly.
- Pasadena, Texas
Instrument Technician
TGE
Port Arthur
09.2024 - 02.2024
- Verified correct instruments per P&IDs; and loop diagrams; used TREX to calibrate instruments to range, supported package sell-offs, function testing, and SIS testing during commissioning. Helped prove all safety limits and equipment functionality to the client.
- Port Arthur, Texas
Instrument Technician
ISC
Baytown
08.2022 - 10.2023
- New construction project performing bench and field calibration of instruments; verified correct devices per system using P&IDs;, stroked valves with compressors, and completed five-point checks on transmitters. Identified the correct instruments were in the correct system before calibration.
- Baytown, Texas
Instrument Technician
Zachery
Sabine Pass
01.2023 - 05.2023
- Identified and terminated points in DCS cabinets, troubleshot instruments, and performed 5-point loop checks and sell-offs in communication with board operators. Worked on identifying and terminating points inside DCS cabinets while troubleshooting as needed.
- Sabine Pass, Texas
Instrument Technician
Triad
Sweeney
01.2023 - 05.2023
- Responsible for receiving/inspecting instruments, bench calibration before field installation (pressure, temperature, level), point-to-point verification on electrical systems, and proper terminations for motors/transformers. Checked fuses and breakers using test equipment and documented everything on final checkout sheets.
- Sweeney, Texas
Instrument tech / Commissioning tech
Universal Plant Services
Alvin
10.2023 - 01.2023
- Used TREX and Fluke 789 to test/calibrate equipment and stroke valves; performed loop checks with board operators, documented all checks, and supported level probe removal/calibration per customer requests. Witnessed and documented removing of levels and calibration of probes using test equipment.
- Alvin, Texas
Instrument Technician
Saulsbury
Pasadena
06.2021 - 08.2022
- Performed bench calibrations prior to installing new instruments and assisted with disconnecting old instruments; ran SIS trips with operations, used Fluke for electrical troubleshooting, and performed final function testing proving all safety triggers. Helped run final function testing proving all safety parameters for switches.
- Pasadena, Texas
Instrumentation Tech
Jacobs
Alvin
06.2020 - 08.2021
- Verified terminations and troubleshot pressure, level, temperature, and flow instruments; assisted with old valve disconnects for maintenance/repair, completed commissioning sheets, and walked down systems with client. Responsible for verifying terminations and troubleshooting various instruments during commissioning.
- Alvin, Texas
Instrument / Commissioning
Contech
Port Arthur
02.2021 - 06.2021
- Responsible for receiving/inspecting material per data sheets; part of team for installations, commissioning, and startup; worked alongside in-house electricians for function testing to sell off motors, switchgear, and transformers. Assisted with commissioning and startup support for rotating equipment.
- Port Arthur, Texas
I&E Technician
Zachery
Mont Belvieu
04.2020 - 06.2020
- Used portable compressor to stroke valves and perform five-point checks; worked with operations to execute ESD procedures. Worked with operations to perform ESD procedures and ensure valves were functioning correctly.
- Mont Belvieu, Texas
Instrument Technician
BCI Contractors
Pasadena
11.2019 - 04.2020
- Verified terminations on instruments and junction boxes, called in loops to board operators, helped fitters identify instruments, used communicators to calibrate, and ensured proper electrical connections in transformers, switchgear, and motors; witnessed megging of wires before installation. Assisted fitters in identifying instruments and verified proper electrical connections.
- Pasadena, Texas
Instrument Technician
ISC
Beaumont
08.2020 - 02.2020
- Worked in teams performing loop checks and calibrations on field-mounted instruments; called in five-point checks to board operators, terminated instruments as needed, and completed paperwork for final system sell-offs. Filled out various paperwork in order to sell off systems for final checkouts.
- Beaumont, Texas
Education
High School -
Deer Park High School
Community College -
Austin Community College
College -
San Jacinto College
Skills
- Instrument calibration
- Safety instrumented systems
- Loop checks
- Troubleshooting equipment
- Control valve operations
- Field instrumentation
- Commissioning process
- Instrumentation calibration
- Electrical schematics reading
- Control systems troubleshooting
- Analog and digital signals
- Level measurement instruments
- Temperature sensors
- Instrumentation installation
- Flow measurement devices
- Effective communication
- Field instrumentation installation
- Loop checks execution
- Safety instrumented systems testing
- Project documentation management
- Team collaboration
- Technical documentation
- Pressure transmitters calibration
- Gas detection systems
Certification
- NCCER Instrumentation Certification
- NCCER Instrumentation Hands-On
- NCCER Industrial Electrician Knowledge Test
- NCCER Industrial Electrician Hands-On
- NFPA 70E Electrical Safety in the Workplace
- TWIC Card (Active)
- TDLR Electrical License
- OSHA 30-Hour General Industry
- H2S Awareness (PEC)
- First Aid / CPR / AED
- Lockout/Tagout Qualified
- Confined Space Entry
- Fall Protection Awareness
- Hot Work Safety & Permit Issuer
Tools And Test Equipment Experience
- Emerson AMS TREX communicator for configuration and calibration
- Fluke 789 process meter for loop checks and troubleshooting
- High pressure and low pressure manual pumps for field pressure calibration
- Bently Nevada TK3-2E wobulator for vibration probe testing and verification
- Temperature simulators and drivers for RTD/thermocouple loop verification
- HART communicators and standard pressure/temperature test equipment
Timeline
Commissioning I&C Technician
Udelhoven Oilfield System Services
12.2025 - 07.2026
Instrumentation Commissioning Technician
Kent
07.2025 - 12.2025
Instrument Technician
Sitewide Project Solutions
05.2025 - 06.2025
Instrumentation Technician
C2C Technical Services
04.2025 - 05.2025
Instrument Technician
MMR Group
04.2025 - 04.2025
Instrument Technician
GroupOne Industrial
01.2025 - 02.2025
Instrument Technician
TGE
09.2024 - 02.2024
Commissioning / Instrument Tech
PSC Energy Solutions
07.2024 - 12.2024
Instrument Technician
Sitewide
04.2024 - 07.2024
Commissioning / Instrument Technician
Triad Industrial
02.2024 - 04.2024
Instrument tech / Commissioning tech
Universal Plant Services
10.2023 - 01.2023
Instrument Technician
Universal Plant Services
01.2023 - 01.2025
Instrument Technician
Zachery
01.2023 - 05.2023
Instrument Technician
Triad
01.2023 - 05.2023
Instrument Technician
ISC
08.2022 - 10.2023
Instrument Technician
Saulsbury
06.2021 - 08.2022
Instrument / Commissioning
Contech
02.2021 - 06.2021
Instrument Technician
ISC
08.2020 - 02.2020
Instrumentation Tech
Jacobs
06.2020 - 08.2021
I&E Technician
Zachery
04.2020 - 06.2020
Instrument Technician
BCI Contractors
11.2019 - 04.2020
High School -
Deer Park High School
Community College -
Austin Community College
College -
San Jacinto College