Welder - Stainless & Duplex Piping

STANDARD CONSTRUCTORS; Houston (TX); On-site; USD 75,000 - 110,000; Full time

Job summary

Standard Constructors, Inc. seeks an experienced stainless steel/duplex pipe welder for a two-phase assignment. Initial shop fabrication in Houston, TX, then field installations in Lebanon, IN. Requires alloy welding expertise and readiness to travel.

Responsibilities include GTAW TIG welding, reading isometrics and P&IDs, and adherence to WPS, safety protocols, and NDT readiness. OSHA 30 and relevant certifications preferred.

Qualifications

• 3–5 years of industrial alloy pipe welding experience.
• OSHA 30 certification required.
• Fluency in welding symbols, blueprints, and WPS.
• Proven ability to manage alloy-specific challenges.
• GTAW (TIG) processes and purge techniques expertise.

Responsibilities

• Perform high-quality welds on stainless steel and duplex piping.
• Use GTAW (TIG) for root and hot passes; SMAW/FCAW as needed.
• Set up inert gas purges and monitor O2 levels.
• Read isometric drawings, P&IDs, and blueprints.
• Fit, bevel, and align pipe joints to tight tolerances.
• Maintain interpass temperatures per duplex specs.
• Inspect weld beads and prepare for NDT.

Skills

GTAW TIG welding

Blueprint reading

NDT inspection

OSHA 30 certified

Metallurgy controls

Education

ISO 9001 Auditor

ASQ Auditor Certificate

CWI/NACE/API certs preferred

Tools

WPS documentation

Job description

SCI exclusively accepts direct applications only. We do not accept unsolicited resumes from recruitment agencies. Please do not contact our hiring managers.

The construction pipe welder specializes in stainless steel and duplex piping networks. The welder is responsible for fabricating, fitting, and welding high-pressure piping systems across industrial construction job sites.

Position will start as a shop fabrication position at Company’s facility in Houston, TX for 2 months. Position will then transition to the field in Lebanon, Indiana for field weld installations.

Responsibilities

• Execute high-quality X-ray standard welds on stainless steel (e.g., 304, 316) and duplex/super duplex (e.g., 2205, 2507) piping systems.
• Utilizes GTAW (TIG) for root and hot passes, with occasional SMAW (Stick) or FCAW for fill and cap passes depending on the Weld Procedure Specification (WPS).
• Sets up and monitors advanced inert gas backing purges (Argon). Utilizes oxygen analyzers to ensure O2 levels drop below strict client and code requirements (often <25-50 ppm) before initiating the weld.
• Reads and interprets isometric blueprints, structural drawings, and P&IDs.
• Cuts, bevels, aligns, and tack-welds pipe joints to perfect tolerances.
• Monitors and manages strictly regulated interpass temperatures and heat input parameters specific to duplex steel to prevent phase imbalances.
• Conducts thorough visual inspections of all beads, root penetration, and final profiles to guarantee zero-defect results ahead of non-destructive testing (NDT).
• Must learn and understand all safety hazards related to the work and safely and effectively use or operate work related tools and equipment.
• Strictly adheres to safety protocols and PPE requirements.
• Ability to travel.

Experience

• Minimum of 3-5 years of industrial construction experience focused strictly on alloy pipe welding.
• Current OSHA 30 certification required.
• Complete fluency in reading welding symbols, blueprint dimensions, and following rigid WPS documents.
• Proven track record of handling alloy-specific challenges including walking the cup, managing solidification rates, and treating oxide heat tints.
• Possesses deep expertise in GTAW (TIG) processes, precise purging techniques, and metallurgy controls to prevent defects and maintain material integrity in highly corrosive environments.

Education/Training

• A current relevant quality certification (ISO 9001/ASQ Auditor Certificate or equivalent) preferred.
• Must have a comprehensive working knowledge of all ACI, ASME, and API standards and procedures related to the midstream oil and gas industry.
• CWI, NACE, API, or equivalent industry certification preferred.

Physical Qualifications

• Ability to weld in challenging, tight spaces and various positions (flat, vertical, overhead, and at elevated heights up to 75 feet).
• Must be able to push/pull, lift, or carry up to 50 lbs., but may occasionally push/pull, lift, or carry up to 100 lbs.
• Subject to repetitive use of hands/arms, and legs.
• Hand/eye coordination.
• Must be able to communicate (hear, comprehend, and speak) to safely perform work.
• Will need to be able to perform sedentary to heavy work.
• Required to use hands to grasp, lift, handle, carry or feel objects on a frequent basis.
• Position may require prolonged bending/twisting, walking, crawling, kneeling, reaching overhead, squatting, pushing /pulling, or standing and lifting.
• Must be able to walk on uneven surfaces, muddy conditions, loose rock, loose/soft sand, etc.
• Will be exposed to adverse weather conditions (heat, cold, rain, etc.).
• Must have the ability to communicate effectively with management/supervision.
• Reading and writing comprehension is necessary for giving and receiving directions to perform work and/or safety policy.
• Work at various tempos and concentrate amid distractions.
• Decision making skills necessary.
• Detail-oriented; must be able to remember, examine, and observe details.

Work Environment

The job will primarily be on or around construction/turnaround sites in petrochemical operational units and include possible hazardous environments such as confined spaces and working at heights. Exposure to loud noises, dust, dirt, irritants, and smoke may occur. Special Personal Protective Equipment (PPE) may be necessary to control some hazardous environments. Additional forms of PPE may be required depending on the particular project. Safety requirements must be verified and meet standards set forth by client permits, policies, and procedures, and be performed in compliance with all federal, state, and local laws or ordinances before work activities can begin.

ALWAYS HAVE SAFETY OF EMPLOYEES AND POSITIVE PROJECT OUTCOME AS TOP PRIORITY.

Standard Constructors, Inc. is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.