Mariano Pereyra
Brownsville,Texas
Summary
Experienced aerospace welder with a strong background in TIG, MIG, and automated welding processes. Completed a 6-month, 1,000+ hour hands-on welding program focused on real-world industry applications. Skilled in stainless steel, aluminum, Inconel, and Hastelloy fabrication for high-performance aerospace and industrial applications. Proven ability to read engineering drawings, meet strict welding codes, and deliver consistent high-quality results in high-demand production environments.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Booster Propulsion Welder
SpaceX
06.2025 - Current
- Performed Class A GTAW on critical aerospace components to specification
- TIG welded booster feedline stainless piping for LOX and methane systems within LOX landing cell; utilized automated cobot welding systems as required
- Collaborated with quality assurance/NDE teams to evaluate weld integrity through non-destructive testing methods.
- Planned weld setups using engineering drawings and production requirements
- Assembled and modified launch vehicle hardware and support tooling
- Verified completed work met dimensional, aerospace quality, and NDE standards
- Utilized digital work order systems via laptop to prioritize tasks and independently assign work based on production needs
- Verified critical work order steps requiring second-party inspection and sign-off to ensure compliance with aerospace quality standards
- Utilized precision calibrated tools daily including torque wrenches, micrometers, calipers, depth gauges, and optical measuring instruments
- Trained and developed entry-level welders to improve skill, quality, and team performance
- Maintained 5S standards and strict FOD control for contamination-free builds
- Drove process improvements through feedback on weld methods and drawing design
- Coordinated with engineering and production teams to improve workflow efficiency
- Operated shop equipment including forklifts and aerial lifts safely
Aerospace Welder
Parco
01.2018 - 01.2025
- Performed precision TIG welding on aerospace brackets, tubing, and engine components
- Worked with exotic alloys including Inconel, stainless steel, aluminum, and Hastelloy
- Executed welds to tight tolerances based on engineering specifications
- Utilized precision measurement tools (calipers, gauges) to verify fit-up and final dimensions
- Built and utilized jigs and fixtures to support repeatable production
- Conducted inspections to ensure compliance with AWS D17.1 standards
- Applied metallurgy knowledge to control heat input and maintain weld integrity
- Contributed to process improvements and troubleshooting to reduce defects and rework
Welder Fabricator
Crown Electric (Contractor)
01.2015 - 01.2018
- Performed TIG and Stick welding on structural steel and piping systems
- Read blueprints to fabricate and install components accurately
- Completed industrial installation, demolition, and retrofit projects
- Built aluminum isophase bus systems and transformers
- Supported fabrication and assembly in high-demand industrial environments
- Maintained clean working environment by consistently organizing tools and equipment, promoting workplace safety.
- Addressed potential hazards or equipment malfunctions to prevent serious problems.
Education
Elite Welding Academy
06.2015
Skills
- GTAW (TIG Welding) – Tube & Pipe
- GMAW (MIG Welding) – Stainless Steel
- FCAW (Flux Core Welding)
- Cobot Welding Systems
- THG Automation
- Laser Welding Automation
- Blueprint & Isometric Drawing Interpretation
- Precision Measurement Tools (Calipers, Gauges)
- Fabrication & Assembly
- Heavy Equipment Operation
- Personal protective equipment
Certification
- ASME Section IX Welding and Brazing Qualifications
- AWS D1.1 Structural Welding Code – Steel
- AWS D17.1 Aerospace Welding Certification (Inconel, Hastelloy, Stainless, Aluminum)
- OSHA 10 Certified
Languages
English
Native or Bilingual
Spanish
Native or Bilingual
Timeline
Booster Propulsion Welder
SpaceX
06.2025 - Current
Aerospace Welder
Parco
01.2018 - 01.2025
Welder Fabricator
Crown Electric (Contractor)
01.2015 - 01.2018
Elite Welding Academy