Jesse Castro III
Tomball
Summary
Versatile Electronics & Projects Technician skillful in troubleshooting with top-notch repair knowledge and technical expertise. Accustomed to reviewing highly technical documentation to assess scope and develop repair strategy. Focused, reliable and results-driven with good safety records and attention to detail. Trained in production, testing and service of hydraulic fracturing equipment.
Overview
2025
2025
years of professional experience
Work History
Projects Technician
ProPetro Services
02.2023 - Current
- Worked alongside Operational Technology Liaison and Infrastructure teams to implement innovative technologies to support hydraulic fracturing operations
- Designed and built mobile data van trailers which served as the mobile command center from which the fracturing job was controlled
- Led the development of an IoT project which deployed data collection devices in the form of Moxa Arm based computers to surface new data sets collected from sensors and J1939 to our remote monitoring platform.
- Assisted with the development of a python SDK within a Debian Linux CLI environment that handled the translation of encoded J1939 data frames from CAT 3512 engines to physical values.
- Led the effort to modernize data van technology, upgrading RS-232 serial streams to TCP/IP and assisted with the development of software packages to ingest the data over TCP/IP.
- Redesigned data van server/network cabinets to streamline the troubleshooting process and implemented redundancies.
- Improved team collaboration with effective communication, training sessions, and team-building activities.
- Contributed to successful proposals by providing subject matter expertise during the bidding process, resulting in new projects being awarded.
- Clarified project scope, objectives, and deliverables by working closely with stakeholders to align expectations and ensure successful outcomes.
- Developed comprehensive training materials for new team members that enabled them to quickly adapt to the company''s systems, tools, and procedures – accelerating onboarding times and productivity levels.
Equipment Health Technician
NexTier Oilfield
04.2022 - 01.2023
- Remotely monitor field/test stand equipment to identify and communicate abnormal operating conditions to field and maintenance personnel.
- Work with equipment engineering team to discuss and review calls outs and EHM projects.
- Collaborate with the maintenance team providing individual or multiple unit reviews based on available performance and maintenance data
- Provide daily verbal and written reports to the field and EHM teams
- Utilize available equipment manuals and trainings to develop high quality call outs for action or investigation
- Support low emission operations by compiling daily DGB performance reports by fleet and communicate the data to the field and maintenance management team.
- Collect information for root cause analysis on premature component failures
- Log all call-outs within proprietary tracker for recording, follow-up, and escalation of each issue
- Assist in the progression of EHM projects such as but not limited to machine learning, vibration analysis and oil sample analysis.
Field Instrument & Electrical Technician
ProPetro Services
2 2021 - 04.2022
- Expeditiously respond to and troubleshoot issues that arise to support the integrity and efficiency of the operation.
- Extensive experience in configuring, programming and deploying NI cRIO controllers, STW ESX controllers and Siemens PLCs/SCADA systems which served as our primary controls for our frac fleet.
- Maintain transducers, sensors, encoders and magnetic flow meters on various pieces of equipment, repair and replace electrical components as needed.
- Utilize a FLUKE 789 process meter to check voltages, continuity and resistance of communication, electrical displacement control, PID and analog circuits.
- Responsible for the calibration and maintenance of flow rate meters and transmitters to increase the accuracy of rate readings, crucial to the integrity of the job.
- Utilize CAT ET and highly detailed electrical schematics to troubleshoot and resolve problems with CAT 3512 C engines and TH 55 transmissions.
- Troubleshoot and repair communication issues with CAN bus and other protocols such as J1939.
- Utilize soldering skills to perform onsite repair of communication cables and manufacture custom cables as needed.
- Used critical thinking to break down problems, evaluate solutions and make decisions.
- Used coordination and planning skills to achieve results according to schedule.
- Proved successful working within tight deadlines and fast-paced atmosphere.
- Used Microsoft Word, Excel and other software tools to create documents and other communications.
- Served customers in a friendly, efficient manner following outlined steps of service
- Train new hires with on the job experience
Field Service Technician
AF Global Corp, NRG
12.2019 - 04.2020
- Extensive knowledge on operation of equipment to effectively troubleshoot issues as they arise.
- Regularly perform preventative maintenance on to ensure operation of customer equipment while on-site.
- Deliver aftermarket parts to customer locations when required.
- Communicate in an efficient manner with Field Service Supervisor and customer to ensure task completion.
Electrical Technician
AF Global Corp, NRG
04.2018 - 12.2019
- Installation and termination of all electrical components on hydraulic fracturing equipment.
- Running of control and communication cables.
- Knowledge of terminating and programming magnetic flow converters and meters.
- Soldering, heat shrinking and stud welding.
- Read and utilize electrical diagrams and schematics to build equipment to customer’s requirements.
- Troubleshoot and resolve electrical failures after the testing phase of the equipment.
- Install and terminate power distribution boxes.
- Ensure and maintain a high standard of quality.
- Utilize HSE training to safely approach the manufacture of equipment on a day to day basis.
- Installation of trailer and work lights on all equipment.
- Operation of AMI and Rolligon control panels to ensure communication of equipment prior to departure.
- Utilize a multi meter to test voltage and continuity.
- Train new hires and work closely to ensure efficient skill development.
- Complete projects and duties as needed per manager’s request.
- Work adverse schedules and hours with excessive overtime on an as needed basis to meet customer demands.
Education
Associate of Science - Business
Lonestar College
Houston, TXHigh School Diploma -
ISchool High School
Houston, TX06.2016
Skills
- Team player and equally efficient working independently
- Proficient in Debian, RedHat and openSUSE
- Highly motivated and energetic self-starter
- Strong interpersonal communication skills
- Network setup
- Multi-phase project management
- Proficient computer skills
- Readily adapts to changing work environment and assignments
- Attention to detail
- Interpersonal communication
- Self-starter
- Team player
- Troubleshooting
- Technical Analysis
- Hardware and software installation
Timeline
Projects Technician
ProPetro Services
02.2023 - Current
Equipment Health Technician
NexTier Oilfield
04.2022 - 01.2023
Field Service Technician
AF Global Corp, NRG
12.2019 - 04.2020
Electrical Technician
AF Global Corp, NRG
04.2018 - 12.2019
Field Instrument & Electrical Technician
ProPetro Services
2 2021 - 04.2022
Associate of Science - Business
Lonestar College
High School Diploma -
ISchool High School
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