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A/Z Corporation Certified Pipe Welder in Marlborough, Massachusetts

Certified Pipe Welder

Job Details



Job Location

Marlborough MA - Marlborough, MA



The Certified Pipe Welder will participate in the installation or maintenance and inspection of HVAC, Utility and Process piping systems.


  • Regular attendance at assigned location; may include the A/Z fabrication facility or other project sites;

  • Works on systems that include Heating Hot Water, Chilled Water, Steam, Condensate, Compressed Air, Process Fluids, Chemical, Fuel Oil, Gasses, and other related systems;

  • Works with materials that include carbon steel, stainless steel, plastics, fiberglass, copper, (brazed, soft soldered and pro-press);

  • Clamp, hold, tack-weld, heat-bend, grind or bolt component parts to obtain required configurations and positions for welding.

  • Remove rough spots from work pieces, using portable grinders, hand files, or scrapers.

  • Chip or grind off excess weld, slag, or spatter, using hand scrapers or power chippers, portable grinders, or arc-cutting equipment.

  • Weld pipe and components in flat, vertical, or overhead positions using open root butt weld, socket weld and/or fillet weld.

  • Operate manual or semi-automatic welding equipment to fuse metal segments, using processes such as gas tungsten arc, gas metal arc, flux-cored arc, plasma arc, shielded metal arc, resistance welding, and submerged arc welding.

  • Recognize, set up, and operate hand and power tools common to the welding trade, such as shielded metal arc and gas metal arc welding equipment.

  • Ignite torches or start power supplies and strike arcs by touching electrodes to metals being welded, completing electrical circuits.

  • Examine work pieces for defects and measures work pieces with straightedges or templates to ensure conformance with specifications.

  • Prepare all material surfaces to be welded, ensuring that there is no loose or thick scale, slag, rust, moisture, grease, or other foreignmatter.

  • Monitor the fitting, burning, and welding processes to avoid overheating of parts or warping, shrinking, distortion, or expansion of material.

  • Select and install torches, torch tips, filler rods, and flux, according to welding chart specifications or types and thicknesses of metals.

  • Fill holes, and increase the size of metal parts.

  • Detect faulty operation of equipment or defective materials and notify supervisors.

  • Determine required equipment and welding methods, applying knowledge of metallurgy, geometry, and welding techniques.

  • Connect and turn regulator valves to activate and adjust gas flow and pressure so that desired flames are obtained.

  • Lay out, position, align, and secure parts and assemblies prior to assembly, using straightedges, combination squares, calipers, and rulers.

  • Repair products by dismantling, straightening, reshaping, and reassembling parts, using cutting torches, straightening presses, and hand tools.

  • Clean or degrease parts, using wire brushes, portable grinders, or chemical baths.

  • Mark or tag material with proper job number, piece marks, and other identifying marks as required.

  • Position and secure work pieces, using hoists, cranes, wire, and banding machines or hand tools.

  • Analyze engineering drawings, blueprints, specifications, sketches, work orders, and material safety data sheets to plan layout, assembly, and welding operations.

  • Dismantle metal assemblies or cut scrap metal, using thermal-cutting equipment such as flame-cutting torches or plasma-arc equipment.

  • Preheat work pieces prior to welding or bending, using torches or heating furnaces.

  • Hammer out bulges or bends in metal work pieces.

  • Develop templates and models for welding projects, using mathematical calculations based on blueprint information.

  • Check grooves, angles, or gap allowances, using micrometers, calipers, and precision measuring instruments.

  • Cut, contour, and bevel metal plates and structural shapes to dimensions as specified by blueprints, layouts, work orders, and templates, using powered saws, hand shears, or chipping knives.

  • Estimate consumable materials needed for production and manufacturing and maintain required stocks of materials.

  • Set up and use ladders and scaffolding as necessary to complete work.

  • Use fire suppression methods in industrial emergencies.

  • Detect faulty operation of equipment or defective materials and notify supervisors;

  • Direct helpers or apprentices in appropriate tasks;

  • Must maintain strict adherence to safety rules and quality;

  • Participate in site housekeeping;

  • Interact with co-workers in an attentive courteous manner;

  • Additional duties as directed by management.



  • Ability to work independently or as part of a team;

  • Experience: 5 years of Field Experience, trade school or apprenticeship;

  • Knowledge of materials, methods and tools involved in industrial construction;

  • Attention to detail;

  • Ability to keep hand and arm steady;

  • Be highly focused on customer satisfaction expectations;

  • Good documentation and record keeping;

  • Preparation of miscellaneous paperwork including time sheets, daily reports and material requests;

  • Competency in Permit Required Confined Space;

  • Understanding of and strict adherence to daily Job Hazard Analysis (JHA);

  • Appropriate state certification or license;

  • OSHA 10 certification.

A/Z Corporation is an AA/EOE Employer