Diego Contreras
Houston,TX
Summary
To obtain an Instrumentation and Electrical Lead Planner position where I can apply my experience in maintenance planning, turnaround coordination, and field execution to improve reliability, optimize work schedules, and support safe and efficient operations
Overview
12
12
years of professional experience
1
1
Certification
Work History
I/E Coordinator – Turnaround
Group One Industrial
Mont Belvieu, TX
09.2025 - Current
- Coordinated and supported execution activities for two Enterprise Products TAR events, including work scope planning, contractor coordination, and schedule tracking.
- Oversaw work performed by multiple contractors, providing daily progress updates and ensuring all activities met project expectations, safety standards, and schedule requirements.
- Monitored manpower allocation and coordinated field crews to maintain turnaround schedule and productivity targets.
- Planned and prioritized daily work scopes for electricians and instrumentation technicians, including loop checks, instrument reconnections, and system outovers.
- Tracked loop completion, reconnections, and quality control progress with Excel-based tools, enhancing visibility and accountability.
- Assisted in troubleshooting instrumentation and electrical issues during commissioning and startup, contributing to timely resolution and project continuity.
Instrumentation Completion Specialist
KBR
Houston, TX
02.2024 - 08.2025
- Coordinated review of P&IDs, loop diagrams, data sheets, and vendor documentation, ensuring instrumentation design and installation aligned with project and client requirements.
- Systemized and grouped instrumentation systems to develop loop packages supporting commissioning and turnover activities.
- Tracked progress, generated reports, and provided updates to management and client representatives, supporting adherence to schedule and quality objectives.
- Proficient in Co-Console, Smart Completion, Bluebeam, Microsoft Office, and Power BI for documentation management, data analysis, and reporting.
Commissioning Start Up Specialist
Rush Resources
Beaumont, TX
09.2021 - 01.2024
- Perform instrument calibration, loop checks, and functional testing to support commissioning and startup activities.
- Collaborated with engineering, construction, QA/QC, and operations teams to facilitate handover and ensure system readiness for operational use.
- Reviewed P&IDs, loop diagrams, data sheets, and vendor documentation to ensure instrumentation design and installation met compliance standards.
Instrumentation and Electrical Coordinator
Alpha Tier Services
Wynona, OK
06.2021 - 08.2021
- Coordinated and supervised inspection and testing of all existing and new I/E installations at Enbridge pipeline pump stations, ensuring compliance with engineering and safety standards.
- Oversaw commissioning activities, including field testing, calibration, mechanical completion milestones, and vendor acceptance testing, ensuring adherence to the commissioning plan.
- Served as primary point of contact between vendors and client representatives, delivering daily progress updates, technical reports, and recommendations to facilitate smooth project handover.
- Completed maintenance work packages and added instrumentation assets/devices into the CMMS system to support maintenance tracking and project execution.
Instrumentation and Control Specialist
Automation + Controls Eng, LLC
Port Neches, TX
05.2021 - 06.2021
- Identified and corrected control system discrepancies, improving system reliability and performance.
- Reviewed loop sheets, P&IDs, specification sheets, vendor documentation, and location drawings to verify accuracy and support project execution.
Instrumentation Technician
ISC Construction, L.L.C
Deer Park, TX
09.2020 - 05.2021
- Calibrated and troubleshot instrumentation including transmitters, switches, and control valves.
- Supported maintenance and commissioning activities by verifying proper instrument operation.
Instrumentation and Electrical Technician
S&B Engineers and Construction
Sweeny, TX
04.2020 - 08.2020
- Conducted loop checks and sell-off of instruments loops to verify proper operation and system integration.
- Collaborated with vendors and commissioning team to facilitate timely project completion.
- Performed troubleshooting and testing of 480V motor control circuits, including starters, contractors and control wiring.
Instrumentation and Electrical Technician
Contech Control Services
Channelview, TX
02.2020 - 04.2020
- Performed loop testing and point-to-point verification for input and output signal loops.
- Conducted functional testing on Safety Instrumented Systems (SIS) to verify operational reliability.
Instrumentation and Control Specialist
CSE W-industries
Douglas, WY
11.2019 - 01.2020
- Verified loop configurations for Delta V DCS V14.3 graphics and control modules to ensure compliance with documents and P&IDs.
- Perform configuration and calibration to Micro Motions, Rosemount flow meters and radar transmitters using software applications such as ProLink III and Radar Master.
- Compiled and delivered system package with all final turnover documents to facilitate project completion.
Instrumentation Technician
Kentz SNC-Lavalin Group
La Porte, TX
05.2019 - 11.2019
Instrumentation Technician
Rush Resources
Beaumont, TX
09.2018 - 05.2019
Instrumentation & Control Technician
Thompson Construction Group
Florence, SC
07.2018 - 09.2018
- Performed calibration, installation, and troubleshooting of instrumentation including transmitters, control valves, switches, and analyzers.
- Conducted loop checks, point-to-point verification, and functional testing during commissioning and startup activities.
- Interpreted P&IDs, loop diagrams, and instrument data sheets to verify correct installation and proper system operation.
- Assisted commissioning teams with system walkdowns, device configuration, and troubleshooting of control system signals.
- Supported startup activities including verification of PLC I/O signals and instrumentation functionality.
SCADA Technician
San Jacinto River Authority
Conroe, TX
09.2014 - 07.2018
- Performing preventive maintenance (PM) on instruments to increase equipment reliability.
- Troubleshoot and perform calibration to instruments that measure and or control pressure, temperature, level and flow.
- Maintain and calibrate different types of analyzers that measure pH, dissolved oxygen, turbidity, chlorine, sulfuric acid and oxygen.
- Developed PM step-out procedures for calibration activities to standardize maintenance and improve efficiency.
- Review work orders and equipment history to identify and correct recurring problems.
- Installed and wired PLC cabinets and control panels as part of systems upgrades, including controllers, Ethernet switches, and power distribution equipment.
Education
A.A.S. - Instrumentation Technology
San Jacinto College
01-2014
Automation Technician Certification - undefined
University of Houston–Downtown
01-2020
Coursework toward B.S. - Control & Instrumentation Engineering Technology
University of Houston–Downtown
01-2016
Instrumentation Analyzer Certification - undefined
San Jacinto College
01-2015
Skills
- Planning & Maintenance Systems
- SAP CMMS Toadfly Planning Tool Smart Completions Co-Console
- Engineering & Documentation Tools
- Bluebeam Power BI Microsoft Excel Microsoft Office
- Control Systems & PLC Platforms
- Allen-Bradley PLCs RSLogix 500 RSLogix 5000
- Industrial Communication Protocols
- HART Foundation Fieldbus Ethernet/IP Profibus RS-232
Certification
- ISA Certified Control Systems Technician (CCST), Level I, International Society of Automation
- NCCER Certified Instrumentation Technician, NCCER
- Rockwell Automation Studio 5000 Logix Designer Level 1, ControlLogix System Fundamentals, Rockwell Automation
- Bently Nevada 3500 Operation & Maintenance Certification, Bently Nevada
Timeline
I/E Coordinator – Turnaround
Group One Industrial
09.2025 - Current
Instrumentation Completion Specialist
KBR
02.2024 - 08.2025
Commissioning Start Up Specialist
Rush Resources
09.2021 - 01.2024
Instrumentation and Electrical Coordinator
Alpha Tier Services
06.2021 - 08.2021
Instrumentation and Control Specialist
Automation + Controls Eng, LLC
05.2021 - 06.2021
Instrumentation Technician
ISC Construction, L.L.C
09.2020 - 05.2021
Instrumentation and Electrical Technician
S&B Engineers and Construction
04.2020 - 08.2020
Instrumentation and Electrical Technician
Contech Control Services
02.2020 - 04.2020
Instrumentation and Control Specialist
CSE W-industries
11.2019 - 01.2020
Instrumentation Technician
Kentz SNC-Lavalin Group
05.2019 - 11.2019
Instrumentation Technician
Rush Resources
09.2018 - 05.2019
Instrumentation & Control Technician
Thompson Construction Group
07.2018 - 09.2018
SCADA Technician
San Jacinto River Authority
09.2014 - 07.2018
Automation Technician Certification - undefined
University of Houston–Downtown
Coursework toward B.S. - Control & Instrumentation Engineering Technology
University of Houston–Downtown
Instrumentation Analyzer Certification - undefined
San Jacinto College
A.A.S. - Instrumentation Technology
San Jacinto College