Jonathan Tobias
San Juan,Tx
Summary
Results-driven field and project coordinator with over 20 years of experience supporting construction, pre-commissioning, and commissioning activities across process and utility systems. Highly effective in organizing and directing field personnel to safely execute work fronts while meeting aggressive construction and commissioning schedules.
Extensive background in coordinating SIMOPS and managing all permit-to-work requirements to support pre-commissioning and commissioning phases. Proven ability to collect, analyze, and report project data; support planning and permitting processes; and respond effectively to regulatory and stakeholder inquiries.
Recognized for strong leadership, resource allocation, task prioritization, and conflict resolution skills. A collaborative communicator who adapts quickly to changing project needs and consistently delivers high-quality, schedule-driven results.
Overview
23
23
years of professional experience
Work History
Permit to Work Coordinator and System Owner – Commissioning
McDermott Int’l - Golden Pass LNG
Sabine Pass, Tx
01.2025 - 11.2025
- Supported setup and execution of pre-commissioning and commissioning activities for OSBL, GF and BF.
- Develop PTW process for Commissiong group to improve efficiency and effectiveness streamlining the process.
- Serving and Permit Mechanical Authority and Permit Mechanical Isolator.
- Support SIMOPS process and evaluation for the Commissioning team.
Sr. Mechanical Commissioning Lead
Rev1 Energy
Houston, Tx
11.2024 - 01.2025
- Responsibilities include technical basis input for plant operations, reviewing equipment and subsystem design and documentation, performing piping and mechanical drawing review, assist in evaluating and purchasing commissioning equipment and, spare parts/ consumables for initial system operation, and review and comment on DCS/PLC philosophies, including commissioning and troubleshooting.
- My role also included the creation and implementation of system drying start up procedures.
- Pipe Flushing and Blowing.
- Mechanical Pressure and Leak Testing.
- System Dryout.
- Verification of Rotational Equipment Laser Alignment Tool Read schematics.
- Support Tracker Technologies.
- Mechanical Lockout Tagout.
- Completion of ITRs.
Project Mechanical Authority – Commissioning
Kent PLC – Golden Pass LNG
Port Arthur, Tx
06.2023 - 11.2024
- Reviews process, mechanical, isolation to ensure correct isolation standard and procedures.
- Ensures all Permit to Work and Isolation registers are true, audited and kept up to date.
- Performs inspection, auditing of permits, associated certificates, and documents to ensure compliance to the requirements, standard, and rules of the Permit to Work / Control of work system.
- Participates in Daily, Weekly Meetings with Maintenance/Engineering to discuss upcoming activities.
- Ensure effective commissioning team scope execution and support with issue resolution.
- Supports continuous improvement efforts identifying and assisting the area issue team to manage potential risk.
Mechanical Commissioning Lead
Rev1 Energy
Houston, Tx
06.2016 - 06.2023
- Pipe Flushing.
- Mechanical Pressure and Leak Testing.
- Verification of Rotational Equipment Laser Alignment Tool Read schematics.
- Support Tracker Technologies.
- Lockout Tagout.
- Update off Database with ITR (Inspection Test Records) Safety field audits.
Mechanical Commissioning Lead
Transocean
Houston, Tx
11.2012 - 03.2016
- Maintaining the BOP, Diverter and associated Subsea equipment.
- Operating on the test the BOP on the surface and subsea as required.
- Running and recovery of BOP and Marine Riser Equipment.
- Hydraulic injection.
- Assemble and run the BOP and Well Control equipment as required.
- Maintained and repaired subsea BOP control system, I.E. Surface BOP or multiplex electro-hydraulic control system.
- Operate, maintain, and test hydraulic connectors.
- Maintain BOP handling equipment, testing equipment and wellhead equipment.
- Assisting in monitoring and maintaining the riser tensioner, wire line or N-line.
- Maintaining records of BOP and associated equipment tests.
- Assisting in maintaining records of inspection of subsea equipment.
Mechanical Supervisor
Nordson Services Inc./Enermech
Houston, Tx
11.2010 - 11.2012
- Testing of deep-sea control umbilical pipeline flow line, pigging & pressure testing.
- Cleaning of chemical, oil flushing, bolt torching and particle counting, and pipe bending.
- High-Voltage testing up to 70kv.
- High-pressure Hydraulic testing up to 40,000 psi.
- IR/CR, Fiber Optic testing, Umbilical Terminations.
- Support pipeline cleaning, pigging, and drying.
- Membranes, and fill pump pressure pumps.
- Pre-Cleaning and Mechanical Gauge Pigging.
- Cleaning and Drying.
- Chemical injection & Chemical cleaning pipelines.
- Nitrogen Purging.
- Smart Pig Assistance.
- Repair Cranes and Maintenance on the ship motor.
Mechanical Foreman
Nordson Services Inc./Enermech
Alvin, Tx
11.2002 - 11.2010
- Tested on umbilical’s, pipeline flow, pigging and pressure testing.
- Chemical cleaning.
- Bolt torching.
- Lab kit for particles, counting.
- Pipe bending.
- Chemical injection.
- I learned to test fiber optics and electrical testing on RI/CR.
- Cranes and Maintenance on the ship motor.
- Operated and worked on mechanical equipment and umbilical.
- Pre-commissioning services.
- Pre-Cleaning and Mechanical Gauge Pigging.
- Cleaning and Drying.
- Filling, Hydrostatic Testing, and Dewatering.
- Nitrogen Purging.
Education
HS Diploma -
Hidalgo High School
Subsea Engineer Certificate - undefined
Module Spec/Lloyds Registry Academy
Well Control Accreditation - undefined
IADC
Qualification - undefined
Drilling and Well Completion
Hydraulics Operations and Repair Certification - undefined
Safety Certification CSST/CSSS - undefined
NCCER
Certification - undefined
NFPA 70E
Skills
- Hazard Identification
- Industrial Safety
- Air Blows
- Isometric
- P&ID Detail Sheets
- Hydro Testing
- Pneumatic Testing
- Inspections
- System Water Flushing
- Supervision
- Pipe to Pump Alignments
- Laser Alignments
- Pipe Fabrication
Languages
English
Spanish
Computer And Soft Skills
- Microsoft office (excel, word, PowerPoint)
- Strong interpersonal and communication skills
- Extensive Safety training