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High School Production Coordinator

Location:
San Francisco, CA
Posted:
October 08, 2025

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Resume:

OSWALDO CALDERA

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CONTACTS

707-***-****

***********@*****.***

Fairfield, 94533

ABOUT ME

Pipefitter with 12 years of

experience in the oil refinery

sector, I experience in the

installation, maintenance,

and repair of complex piping

systems. My expertise

extends to drawing

interpretation, welding, and

conducting precise pressure

testing. With a steadfast

commitment to safety and

quality, I ensure that all

operations adhere to the

highest industry standards.

EDUCATION

High school diploma,

Liceo Lisandro

Alvarado, Barquisimeto,

Venezuela.

1996

Higher National

Certificate, INCE, Punto

Fijo, Venezuela

1998

Pipefitter And Blueprint

SKILL

Advanced interpretation of

drawings and technical

specifications Welding

techniques, especially for

high-pressure pipes

Performing pressure testing

and leak detection

Maintenance of equipment

such as pumps, valves and

compressors Knowledge of

different pipe materials, such

as carbon steel

WORK EXPERIENCE

Production Coordinator, Westlake Royal Stone, American Canyon May 2023 - Oct 2024

Applies color to molds using precision spray or brush techniques, adhering to stringent quality standards.

Efficiently extracts Stone from molds and meticulously packages products, guaranteeing accurate quantities.

Conducts thorough quality reviews to uphold the highest stone production standards. Ensures compliance with packaging specifications, box types, and assembly procedures for optimal presentation and safety.

Maintenance Mechanic, Amcor, fairfield

Oct 2022 - Mar 2023

Expertly executed repairs, changeovers, and preventative maintenance (PM) on injection molding machines to ensure optimal performance.

Ensured safe and efficient operational conditions for all production and related equipment, enhancing overall productivity.

Foreman pipefitters, Nainctec(Refinery Cardon) Pdvsa, Punto Fijo- Venezuela

Jun 2021 - Dec 2021

Supervises and coordinates activities of workers engaged in fabrication, installing and assembling Internal catalyst tights of the catalytic reformer reactor. Procurement of scaffolding installation to dismantle and install new pipes and Instrumentation.( Heat exchangers).

Perform hydrostatic testing according to quality and safety standars. Supervisor Pipefitters Welders, Sesca(Refinery Amuay) Pdvsa, Amuay - Venezuela

Apr 2019 - May 2021

Supervice the procurement of materials for routine maintenance in cracking and coke plants, enhancing operational efficiency in pipe and valve systems. Ensured timely completion of projects by effectively managing and overseeing pipefitter and welder teams.

Facilitated the execution of tasks by providing necessary equipment such as scaffolding, forklifts, and cranes for pipe installation.

Conducted regular safety briefings to maintain a secure and compliant work environment for all personnel.

Foreman Pipefitters, SESCA(REFINERY JOSE), Barcelona-Venezuela. Feb 2018 - Jul 2018

Supervising the installation of pipes in a Vacuum tower involves the replacement of 14" carbon steel pipes with stainless steel interiors and the installation of accessories such as elbows, flanges, reducers, and tees.

Tower Plate Removal and Installation.

Pipeline & Equipment Inspection Coordinator, Supeosca(Refinery Amuay), Amuay-Venezuela

Feb 2016 - Dec 2017

• Implement a comprehensive quality plan for major maintenance on flexicoker plant components, including gasifiers, heaters, drums, and pipelines.

• Apply ASME BPVC Standards, Section VIII, Divisions 1, 2, and 3 to pressure vessels.

• Applying ISO 1927-1:2012 standards provides definitions and classifications for monolithic refractory materials.



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