Ernest Jalim Jr
Orlando
Summary
Energetic, results-driven and goal-focused professional with years of petroleum refining experience, abilities, and skill in handling the controls of various types of processes on a massive array of equipment. Exceptional knowledge of maintaining refinery process equipment and handling complex troubleshooting tasks. Hands-on experience in production operations, including monitoring instrument readings and operating SCADA/HMI, PLC, and DCS systems. Skilled in organizing and implementing practices that optimize operations, enhance process efficiency, and uphold the highest safety standards.
Overview
20
20
years of professional experience
Work History
CAD Technician
Upwork - Freelance
Orlando, United States
09.2021 - 02.2026
- Create and revise piping layouts, isometric drawings, P&IDs, and fabrication drawings using CAD software
- Interpret P&IDs, engineering specifications, and design standards
- Coordinate with engineers to ensure accurate piping systems
- Maintain drawing documentation and ensure compliance with industry codes
Process Operator I
Limetree Bay Refinery
Christiansted, USVI, United States
08.2019 - 09.2021
- Delayed Coker Unit
- Monitored and documented all flows, levels, temperatures, and pressures on all equipment
- Prepared piping and equipment for maintenance activity. This includes hazardous energy isolation document preparation, lock out/tag out, Draining, Purging, depressurizing, venting, and chemical cleaning
- Performed scheduled sampling of process fluids and deliver to refinery's laboratory
- Performed Coke drum preparation, switching, quenching, drum draining, and drum head removal.
- Troubleshooting and problem-solving issues that may develop in a timely manner
- Completed Process safety start-up reviews and pre quality control inspection after completion of maintenance activities
Pipefitter Leadman - Pipefitter Journeyman - Boilermaker Journeyman
National Industrial Services, LLC
Christiansted, USVI, United States
04.2012 - 08.2019
- Limetree Bay Refinery Contractor
- Units: Crude Distillation Unit, Sulfur Recovery Plant, Delayed Coker Unit, Oil Storage Terminal, Vacuum Distillation Unit, Platformer Unit.
- Performed hydrostatic testing, pneumatic testing, and vacuum testing of piping and process equipment
- Heat Exchanger bundle extraction and installation, exchanger tube repair.
- Responsible for the layout, assembly, fabrication, and installation of all piping systems
- Ensured all Fabrication were in accordance with isometric drawings and P&IDs specification
- Distillation tower restoration, Tray removal and installation
- Structural welding (sole plates & pipe shoes)
- Heat exchanger head resurfacing and head bolt torquing, torque sequence layout and hydraulic torque machine operation
- Worked with operations to insure safe lockout and preparation of process equipment
- Pre quality control inspection. Torque verification, gasket verification, bolt spec verification.
- Hydrostatic test verification. P&ID verification. Flange tag and blind tag completion
- Inspected all rigging equipment, safety harnesses, tools, and equipment before usage
- Performed rigging and crane hand signaling to lift various parts and equipment
Pipefitter Journeyman - Boilermaker Journeyman
Turner Industries
Christiansted, USVI, United States
08.2006 - 04.2012
- Hovensa Oil Refinery Contractor
- Units: Delayed Coker Unit, Fluid Catalytic Cracker, Sulfur Recovery Plant, Crude Distillation Unit, & Platformer Unit.
- Boiler and furnace tube removal, fabrication, and reinstatement
- Used mathematical skills and blue book regularly to complete piping offsets, laterals, and double rolling offsets
- Oxy - fuel cutting, bevel machine operation, plasma cutting, air carbon arc gouging, pipe threading machine operation, German saw/ pneumatic reciprocating saw operation
- Isometric drawing, field verification (measurements, angles, offsets, etc.), and weld map completion
- Regularly inspected and maintained boilers and replaced components including burners
- Fiberglass, carbon steel, stainless steel, and chrome pipe fabrication
- Reactor catalyst bed preparation, catalyst removal, containment, and installation
Education
Process Technology - DCU Operations Technical Training
Limetree Bay Refinery
Christiansted, USVI, United States02.2020
Process Burner - PB116 Process Burners
John Zink Institution
12.2019
Process Technology - Basic Operator Training
Limetree Bay Refinery
Christiansted, USVI, United States10.2019
Standardized Craft Training Program - Core Curriculum
NCCER
09.2009
Industrial Pipefitting - NCCER Pipefitting
Tang How Brothers, Inc
Christiansted, USVI, United States08.2006
General | High School Diploma - undefined
United States Virgin Islands Dept of Education
Christiansted, USVI, United States06.2006
Skills
- Safety Oriented
- Troubleshooting
- Mechanically Inclined
- Attention to detail
- Critical Thinking
- Autocad
- Communication
- Microsoft 365
- Schematics
- SAP
- Applied Mathematics
Timeline
CAD Technician
Upwork - Freelance
09.2021 - 02.2026
Process Operator I
Limetree Bay Refinery
08.2019 - 09.2021
Pipefitter Leadman - Pipefitter Journeyman - Boilermaker Journeyman
National Industrial Services, LLC
04.2012 - 08.2019
Pipefitter Journeyman - Boilermaker Journeyman
Turner Industries
08.2006 - 04.2012
Process Technology - DCU Operations Technical Training
Limetree Bay Refinery
Process Burner - PB116 Process Burners
John Zink Institution
Process Technology - Basic Operator Training
Limetree Bay Refinery
Standardized Craft Training Program - Core Curriculum
NCCER
Industrial Pipefitting - NCCER Pipefitting
Tang How Brothers, Inc
General | High School Diploma - undefined
United States Virgin Islands Dept of Education