ASME Welder

Job Description

Job Description

Mass Tank – Middleboro, MA

Mass Tank is seeking an experienced ASME Pressure Vessel Welder / Fabricator to join our steel fabrication team in Middleboro, MA. This role is ideal for a highly skilled welder with direct experience fabricating and welding ASME-coded pressure vessels in a shop environment.

The successful candidate will play a critical role in producing high-quality, code-compliant vessels used in industrial and regulated applications. This position requires a strong understanding of ASME Section VIII requirements, welding procedures, and quality expectations typical of certified pressure vessel fabrication shops.

Key Responsibilities

• Fabricate and weld ASME pressure vessels in accordance with approved drawings, WPSs, and job travelers
• Perform welding processes including (but not limited to) GMAW, GTAW, and SMAW on carbon steel and stainless steel
• Read and interpret ASME fabrication drawings , weld symbols, and specifications
• Follow qualified Welding Procedure Specifications (WPS) and maintain compliance with ASME Section IX requirements
• Fit-up shells, heads, nozzles, and attachments to ASME tolerances
• Work closely with Quality Control to support inspections, NDE, and code documentation
• Maintain a clean, safe, and organized work area in accordance with shop safety standards
• Participate in continuous improvement of fabrication and welding processes

Required Qualifications

• Direct experience fabricating and welding ASME pressure vessels (required)
• Proven experience working in an ASME-certified fabrication shop
• Ability to pass or maintain ASME welding qualifications
• Strong understanding of:
• • ASME Section VIII (Div. 1 preferred)
  • Welding symbols and fabrication drawings
  • Fit-up and dimensional tolerances for pressure vessels
• High attention to detail and quality-focused mindset
• Strong work ethic, reliability, and ability to work as part of a fabrication team
• Commitment to safety and compliance in a regulated manufacturing environment

Company Description

Mass Tank is one of New England's premier tank companies. We fabricate steel tanks in various configurations for many different industries and uses. We also sell polyethylene and fiberglass tanks. They can range from storage of flammable/combustible products to chemical storage - we've even made tanks to hold food components. In addition, we offer our customers a range of additional products and services - from tank accessories to tank inspections, we are able to support.

We have a very team oriented culture and are excited to continue growing with the right people. Reach out today to get in touch and see if it is a fit!

Company Description

Mass Tank is one of New England's premier tank companies. We fabricate steel tanks in various configurations for many different industries and uses. We also sell polyethylene and fiberglass tanks. They can range from storage of flammable/combustible products to chemical storage - we've even made tanks to hold food components. In addition, we offer our customers a range of additional products and services - from tank accessories to tank inspections, we are able to support. \r\n\r\nWe have a very team oriented culture and are excited to continue growing with the right people. Reach out today to get in touch and see if it is a fit!