Narciso Diaz Jr.
Mercedes
Summary
Dedicated and safety-focused Pipefitter / Mechanical Specialist with over 13 years of experience in refinery and industrial environments. Skilled in industrial piping, fabrication, boiler maintenance, and mechanical repairs. Experienced in reading blueprints, installing and assembling piping systems, hydro testing, valve replacement, and performing maintenance during shutdowns and turnaround projects. Strong knowledge of safety procedures with a proven ability to work efficiently in confined spaces and demanding jobsite conditions while maintaining quality and productivity.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Pipefitter
Minyard Sons Services
01.2024 - Current
- Install, assemble, and maintain industrial piping systems using Poly pipe, PE pipe, CV pipe, CPVC, PVC pipe, and ECTFE pipe in accordance with project specifications and safety standards.
- Read blueprints and drawings to make sure pipes are installed correctly.
- Cut, fit, and assemble pipe while following quality and safety requirements.
- Check piping systems to make sure they are installed properly and working correctly.
- Support maintenance and construction projects while working safely and efficiently.
Pipefitter
Process Service Specialist (PSS)
01.2022 - 12.2024
- Layout, install, and fabricate piping systems in accordance with applicable codes and standards.
- Skilled in air welding, fuse welding, and coupling welding for diverse piping materials.
- Work extensively with PP and PPE pipe systems, ensuring proper alignment and pressure integrity.
- Conduct mechanical work including assembly, modification, and repair of industrial components.
- Read and interpret blueprints and site plans to ensure accuracy in installation and fabrication.
- Inspect and assess worksites for structural inefficiencies, implementing corrective measures to maintain safety and compliance.
Boilermaker / Pipefitter Mechanic
Repcon, Inc.
01.2016 - 01.2022
- Operated machinery, including hydraulic torque wrenches, to support assembly operations.
- Replaced valves, ran tubing, and performed precision fitting for installation projects.
- Assisted in rigging operations with cranes and carry decks, ensuring load stability and safety compliance.
- Worked in confined spaces following OSHA and site-specific safety procedures.
- Aligned and assembled boiler frame structures with precision and attention to detail.
- Assisted in hydro testing and vessel cleaning for quality assurance and operational readiness.
- Fabricated and installed screw pipe, carbon steel pipe, and stainless steel pipe systems.
Education
High School Diploma -
Edcouch-Elsa High School
Elsa, TX01-2006
No Degree - Management
South Texas College
Weslaco, TXSkills
- Pipefitting & Fabrication
- Welding (Air, Fuse, Coupling)
- Mechanical Assembly & Maintenance
- Blueprint Reading & Layout Design
- Hydro Testing & Rigging Assistance
- Safety & Confined Space Procedures
- Bilingual Communication (English / Spanish)
Certification
- OSHA 10/30 (if held)
- TWIC Card (if held)
- Welding Certification (if held)
Languages
Bilingual: English & Spanish
Timeline
Pipefitter
Minyard Sons Services
01.2024 - Current
Pipefitter
Process Service Specialist (PSS)
01.2022 - 12.2024
Boilermaker / Pipefitter Mechanic
Repcon, Inc.
01.2016 - 01.2022
High School Diploma -
Edcouch-Elsa High School
No Degree - Management
South Texas College