Jonathan Delgado
Humble
Summary
Dedicated Instrument Technician with 6 years of hands-on experience in industrial
instrumentation, specializing in the installation, calibration, and maintenance of pressure, flow, level, and temperature instruments. Skilled in troubleshooting, loop checking, and supporting plant commissioning and shutdowns. Experienced with HART communicators, PLC/DCS systems, and interpreting P&IDs and wiring diagrams. Committed to safety, accuracy, and delivering reliable performance in fast-paced environmental.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Instrument Technician
OMEGA/C2O
Port Arthur
08.2025 - 02.2026
- Calibrated instruments to ensure precise measurements and compliance with standards.
- Diagnosed equipment malfunctions and implemented corrective actions efficiently.
- Collaborated with engineering teams on instrument design and integration projects.
- Calibrated, tested and adjusted flowmeters to ensure accurate readings.
- Repaired and adjusted system components by removing and replacing defective parts.
- Performed maintenance and repairs on a variety of process control instrumentation including transmitters, controllers, valves, switches, recorders and indicators.
- Configured and tested PLC I/O cards and field junction boxes.
- Conducted loop checks, commissioning, and start-up support for new installations.
Instrument Technician
Ben Ari’s
Vidor
03.2025 - 07.2025
- Calibrated, tested and adjusted flowmeters to ensure accurate readings.
- Performed troubleshooting on instrumentation when necessary; consulted vendors when needed.
- Calibrate motor controls, relays and associated instrumentation as required.
- Tested newly installed instrumentation systems prior to commissioning them into service.
- Verified accuracy of calibration data using test equipment such as multimeters, loop calibrators, thermocouples, and transmitters.
- Performed maintenance and repairs on a variety of process control instrumentation including transmitters, controllers, valves, switches, recorders and indicators.
- Programmed programmable logic controllers based on specifications provided by engineers.
- Troubleshot problems with electronic components such as circuit boards, amplifiers and transducers.
Instrument Technician
Sitewide project solutions
Port Sulphur
08.2024 - 03.2025
- Performed calibration and testing of transmitters, analyzers, and control valves on a petrochemical site.
- Troubleshot PLC inputs/outputs and communicated findings with engineering for system updates.
- Conducted loop checks and pre-commissioning activities for new installations.
- Completed and documented daily maintenance logs and inspection sheets.
- Shadowed during monthly inspections, gaining hands-on experience in pressure, level, and temperature instrumentation.
- Adhered strictly to lockout/tagout (LOTO) and other safety procedures.
Instrument Technician
Paton engineers and constructors
Kenedy
06.2024 - 08.2024
- Installed and configured new control systems during major plant expansion.
- Maintained analyzers for flow, pressure, level, and temperature using HART protocol and Foundation Fieldbus.
- Performed loop checks, logic verification, and system integration prior to commissioning.
- Assisted engineers in design modifications and control logic enhancements.
- Calibrated and maintained transmitters, analyzers, and smart instrumentation across gas turbine and steam cycle equipment.
- Diagnosed complex PLC I/O issues, replaced faulty modules, and updated ladder logic with engineering support.
- Trained junior technicians in calibration procedures and documentation practices.
Instrument Technician
Rush Resources
Port Arthur
08.2023 - 06.2024
- Maintained and repaired field instrumentation and final control elements in refining operations.
- Used HART communicator and Fluke calibrator for diagnostics and calibration.
- Assisted engineering teams with PLC and logic testing during control upgrades.
- Performed daily preventive maintenance and emergency repairs on power plant instrumentation.
- Worked with DeltaV DCS and supported turbine control system inspections.
- Calibrated RTDs, thermocouples, and transmitters under high-pressure/high-temp conditions
Instrument Technician
Isc Constructors
Baytown
12.2020 - 06.2023
- Perform loop checks and verify instrument I/O during plant upgrades.
- Calibrate pressure, flow, and level transmitters using HART communicator.
- Support commissioning team during unit startup
- Used Fluke 754 and HART 475 for calibration and diagnostics
- Troubleshot SCADA signal faults and control loop failures
- Assisted in PLC panel checks and SCADA system troubleshooting.
- Inspected control valve function and replaced faulty positioners
Instrument Technician
S&B engineer
Nederland
08.2019 - 11.2020
- Calibration, troubleshooting, preventative maintenance, PLC programming and troubleshooting.
- Performed daily maintenance and testing of instruments to ensure optimal performance.
- Assisted in loop checks and commissioning during plant turnaround.
- Worked closely with electricians and engineers to resolve instrumentation issues.
- Maintained detailed documentation of inspections and calibration reports.
Education
Instrumentation Technician
Diverse Trade Resources
Pasadena, TXSkills
- Installation, calibration, and maintenance of field instruments (pressure, flow, level, temperature, transmitters, and control valves)
- Troubleshooting instrumentation and control system faults
- Loop checking, continuity testing, and commissioning of new systems
- Preventive and corrective maintenance on DCS, PLC, and SCADA systems
- PLC/DCS systems (eg, Siemens, Allen-Bradley)
- Knowledge of P&ID drawings, wiring diagrams, and instrument loop diagrams
- Configuration and tuning of transmitters, analyzers, and smart devices (HART, Foundation Fieldbus)
- Proficiency with test equipment (multimeters, loop calibrators, oscilloscopes, communicators)
- Familiarity with process safety systems (SIS, ESD, Fire & Gas)
Certification
Twic card
Nccer #13409949
Electrical Nccer
Instrumentation technician Nccer
Timeline
Instrument Technician
OMEGA/C2O
08.2025 - 02.2026
Instrument Technician
Ben Ari’s
03.2025 - 07.2025
Instrument Technician
Sitewide project solutions
08.2024 - 03.2025
Instrument Technician
Paton engineers and constructors
06.2024 - 08.2024
Instrument Technician
Rush Resources
08.2023 - 06.2024
Instrument Technician
Isc Constructors
12.2020 - 06.2023
Instrument Technician
S&B engineer
08.2019 - 11.2020
Instrumentation Technician
Diverse Trade Resources