Mario Gallegos

Quality Assurance and Quality Control (QA/QC) Specialist in pressure vessel manufacturing with over 15 years of technical experience in manufacturing, welding engineering, and code compliance inspection. Extensive track record ensuring code compliance throughout the entire fabrication lifecycle in accordance with ASME BPVC (Sections II, V, VIII, IX) and the Pressure Equipment Directive (PED). Direct experience collaborating with HSB Authorized Inspectors (AIs) during accreditation audits, Customer Witness/Hold points, technical documentation reviews, and final equipment sign-offs.

Proficient in developing WPS/PQR/WPQs, managing NDT programs (VT/PT Level II), metrology systems, and Non-Conformance Report (NCR) resolution.

Production Supervisor / Quality Auditor at SERVICIOS INDUSTRIALES RODRÍGUEZ (Present)

• Led the ground-up operational implementation of two pressure vessel fabrication lines in strict compliance with ASME BPVC standards.
• Authored and deployed Method Sheets, Work Instructions, custom assembly fixtures to control thermal distortion, and pneumatic/hydrostatic testing protocols.
• Developed, authorized, and maintained the company's welding qualification matrix, including WPS, PQR, WPQ, SWPS, and Welder Continuity Logs.
• Established the internal Welding School for evaluating, training, and certifying welders in accordance with ASME and AWS codes.
• Oversaw Receiving Inspection, Material Test Report (MTR) verification, heat traceability, and plant-wide calibration control systems.

QA/QC Inspector – Pressure Vessel Manufacturing at JOHNSON CONTROLS

• Managed quality assurance across pressure vessel manufacturing operations, including Shell & Tube Heat Exchangers, Oil Separators, Accumulators, and Mufflers under ASME BPVC and PED requirements.
• Acted as the primary plant liaison for Hartford Steam Boiler (HSB) Authorized Inspectors during shop audits, ITP milestone verification, and final equipment releases.
• Held direct authority to accept or reject raw materials, welded joints, and fabrication stages based on international code acceptance criteria.
• Managed Hold Points, Witness Points, Traveler Sheets, First Off Forms (FOF), and MTR verification across three active production lines.
• Issued and tracked Non-Conformance Reports (NCRs), evaluated weld repair procedures, and conducted final re-inspections.

Heavy Equipment & Structural Welding Specialist at Desarrollos Mineros y Voladuras

Maintenance Technician at Minera del Norte (Cerro del Mercado)

B.S. in Industrial Engineering – Universidad Ítaca (progress)