Ludwing Carmona
Galena Park,TX
Summary
Instrument Technician with extensive experience in the petroleum and process control industry. Skilled in commissioning, troubleshooting, and keeping instrumentation systems, with proven ability to commission a complete control loop from start to finish (shooting, proving, and commissioning). Hands on ability with transmitters, analyzers, controllers.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Instrument Technician
Worley
Notrees, Tx
04.2025 - Current
- Support startup/commissioning teams by performing loop checks, proving instruments, and function testing.
- Diagnose and repair 4–20 mA loop issues, including signal instability, grounding, and input/output faults.
- Troubleshoot and resolve issues with positioners (Flowserve D3, RS100, P30A) ensuring proper valve operation and fail-safe configuration.
- Configured, calibrated, and troubleshot wireless transmitters to ensure correct process data transmission.
- Commissioned and maintained Scheiner Wireless instruments for remote monitoring and control.
Instrument Technician
Enginuity Global
Orla, TX
05.2024 - 02.2025
- Perform complete loop/ systems functional check out and start up on all plant instrumentation.
- Involved in testing pre commissioning and start up of new systems.
- Configured various instruments, including valves and transmitters, for optimal performance.
- Install and calibrate instrumentation as shown in specifications.
- Troubleshoot and resolve issues with digital positioners (Flowserve D3, RS100, P30A) ensuring proper valve operation and fail-safe configuration.
Instrument Technician
Bayou I&E
Midland, TX
01.2023 - 08.2023
- Read and understand new project packages, such as directions, electrical drawings, detail drawings, loops sheets, specification sheets, demo drawings.
- Shoot loops with the smart communicator and commission new systems.
- Bench Testing, Pressure Switches, Valves and Transmitters.
- Transmitter Calibrations (Honeywell and Rosemount).
- Troubleshooting discrete and analog signals using loop drawings
- Read and understand new project packages, such as directions, P&IDS, Instrumentation drawings, detailed drawings, loop sheets, specification sheets, one line diagram, demo drawings.
Instrument Technician
Norell
Texas City, TX
11.2022 - 01.2023
- Calibrate, troubleshoot, repair, and replace process instruments as part of the plants maintenance program.
- Maintain process instruments including valves, vibrators monitors, gas detectors and other instruments.
- Terminate low voltage electrical panels, cabinets, junction boxes and instruments.
- Maintained the records of all new electrical/instrumentation systems.
I&E Technician
Wolfenson I&E
Pasadena, TX
08.2021 - 11.2022
- Involved in testing pre commissioning and start up of new systems.
- Perform complete loop/ systems functional check out and start up on all plant instrumentation.
- Install and calibrate instrumentation as shown in specifications.
- Fabricate and install tubing to valves
- Configure transmitters in the shop before installations.
Instrument Technician
Paton Engineers and Constructors
Pasadena, TX
01.2021 - 08.2021
- Configure several types of Instruments such as valves and transmitters
- Ensure operation of company electrical/instrumentation tuning repairs, rebuilds, and proper installation of new equipment in a safe manner.
- Terminated wiring and connected circuits with correct techniques.
- Spliced, joined, and connected wire to accurately install new electrical systems.
- Installed safety and distribution components for electrical/instrumentation systems, such as transmitters, elements, switches, resistors, and circuit-breaker panels.
- Mastered the use of instruments such as communicator, ammeter, ohmmeter, voltmeter and megger.
Skills
- Troubleshooting analog (4–20 mA) and digital control systems
- Ability to use P&ID's, control loop diagrams, ladder logic, etc
- Electrical mathematics such as the 4-20 mA signal & ohm's laws
- Familiar with Hart communicators, Radar master, 475, AMS Trex, 754 fluke, process meter 789, 725 fluke, Pie Cal, low/high pressure hand pumps
- Familiar with Thermocouples and RTDs
- Transmitter Calibrations (Honeywell, Vega, Yokogawa, Rose mount, Endress hauser and Valtek, Samsons and Fisher control valves)
- Able to resolve complex technical electrical issues by troubleshooting
- Understanding Electrical theories like AC/DC systems
- Bilingual in English & Spanish
Certification
TDLR - #548009
Necer - #1849989
Twic- Jul27 2026
Timeline
Instrument Technician
Worley
04.2025 - Current
Instrument Technician
Enginuity Global
05.2024 - 02.2025
Instrument Technician
Bayou I&E
01.2023 - 08.2023
Instrument Technician
Norell
11.2022 - 01.2023
I&E Technician
Wolfenson I&E
08.2021 - 11.2022
Instrument Technician
Paton Engineers and Constructors
01.2021 - 08.2021