OPT Pipe Fitter Helper Jobs
Pipe Fitter Helper jobs are hands-on, skilled-trade positions that qualify for OPT work authorization under CIP codes tied to construction technology and mechanical systems. Many employers in industrial and commercial construction hire OPT students for these roles, particularly those with vocational or engineering program backgrounds.
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Get Access To All JobsJob Title: Pipe Welder
Company: Loenbro, LLC
Business Unit/Department: Fabrication Shop
Location: Casper, WY
Reports to: Foreman/Superintendent
Employment Type: Full-Time
FLSA Classification: Non-Exempt
About Loenbro
Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries, and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.
At Loenbro, we don't just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.
Job Summary
Loenbro is seeking experienced Fab Shop Pipe Welders to join our Casper Fabrication Shop team. This position is responsible for fabricating, fitting, and welding pipe spools and related assemblies for industrial and energy-sector projects. Candidates should have experience producing high-quality welds using GTAW (TIG) and GMAW (MIG/Wire Feed) processes while maintaining productivity, safety, and quality standards.
This is a full-time, long-term opportunity with a growing company that offers career advancement, competitive benefits, and the stability of consistent shop-based work.
Essential Job Responsibilities
- Fabricate, fit, weld, and assemble pipe spools and related assemblies in a fabrication shop environment.
- Perform high-quality welds using GTAW (TIG) and GMAW (MIG/Wire Feed) processes in accordance with approved welding procedures.
- Read and interpret isometric drawings, fabrication drawings, blueprints, and weld symbols.
- Verify fit-up, dimensions, alignment, and weld quality before final completion.
- Select proper welding consumables, filler metals, and materials based on project requirements.
- Inspect completed welds to ensure compliance with applicable codes, specifications, and customer standards.
- Operate fabrication equipment and material-handling equipment safely and efficiently.
- Assist in training and mentoring welder helpers and apprentices.
- Maintain a clean, organized, and safe work area.
- Follow all company safety policies, quality requirements, and customer specifications.
Minimum Qualifications
Required:
- Minimum three (3) years of pipe welding experience in a fabrication shop, industrial construction, oil & gas, energy, mining, or related industry; or completion of a two-year welding program from an accredited technical or vocational school.
- Proficiency in GTAW (TIG) and GMAW (MIG/Wire Feed) welding processes.
- Experience welding carbon steel and/or stainless steel pipe.
- Ability to read and interpret isometric drawings, fabrication drawings, blueprints, and weld symbols.
- Knowledge of applicable welding codes, quality standards, and fabrication practices.
- Knowledge of weld shrinkage, distortion control, and fit-up techniques.
- Ability to pass a pre-employment weld test.
Preferred:
- Experience with SMAW and FCAW welding processes.
- OSHA 10 certification.
- Strong attention to detail and commitment to quality workmanship.
- Ability to work independently and as part of a team.
- Strong problem-solving and communication skills.
Physical Demands and Work Environment
The physical demands and work environment described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.
Work Environment:
- Work is performed primarily in a fabrication shop environment with exposure to varying temperatures, welding operations, cutting equipment, fabrication machinery, overhead cranes, and material handling equipment.
- Frequent standing, walking, bending, kneeling, lifting, and other physically demanding activities are required throughout the workday.
- Exposure to noise levels above 85 decibels, welding fumes, airborne particulates, and other industrial shop conditions is expected.
This role requires compliance with all applicable safety regulations, personal protective equipment (PPE) requirements, and Loenbro's Environmental Health and Safety (EH&S) policies.
Benefits
Loenbro offers a competitive salary, comprehensive benefits package, and rewards to those who join our team:
- Medical, dental, and vision insurance
- 401(k) retirement plan with company match
- Paid time off (PTO) and holiday pay
- Life and disability insurance
- Professional development and training opportunities
- Employee assistance program (EAP)
Benefits eligibility may vary based on employment classification and hours worked.
Guided by Core Values (LEAD), grounded in grit and a commitment to excellence, Loenbro betters our families, customers, and local communities. If you're ready to be part of a company that LEADS by:
- Living with Integrity
- Exceeding Expectations
- Acting with Urgency
- Delivering Excellence
…we want to hear from you.
Loenbro is an Equal Opportunity Employer
Job Title: Pipe Welder
Company: Loenbro, LLC
Business Unit/Department: Fabrication Shop
Location: Casper, WY
Reports to: Foreman/Superintendent
Employment Type: Full-Time
FLSA Classification: Non-Exempt
About Loenbro
Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries, and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.
At Loenbro, we don't just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.
Job Summary
Loenbro is seeking experienced Fab Shop Pipe Welders to join our Casper Fabrication Shop team. This position is responsible for fabricating, fitting, and welding pipe spools and related assemblies for industrial and energy-sector projects. Candidates should have experience producing high-quality welds using GTAW (TIG) and GMAW (MIG/Wire Feed) processes while maintaining productivity, safety, and quality standards.
This is a full-time, long-term opportunity with a growing company that offers career advancement, competitive benefits, and the stability of consistent shop-based work.
Essential Job Responsibilities
- Fabricate, fit, weld, and assemble pipe spools and related assemblies in a fabrication shop environment.
- Perform high-quality welds using GTAW (TIG) and GMAW (MIG/Wire Feed) processes in accordance with approved welding procedures.
- Read and interpret isometric drawings, fabrication drawings, blueprints, and weld symbols.
- Verify fit-up, dimensions, alignment, and weld quality before final completion.
- Select proper welding consumables, filler metals, and materials based on project requirements.
- Inspect completed welds to ensure compliance with applicable codes, specifications, and customer standards.
- Operate fabrication equipment and material-handling equipment safely and efficiently.
- Assist in training and mentoring welder helpers and apprentices.
- Maintain a clean, organized, and safe work area.
- Follow all company safety policies, quality requirements, and customer specifications.
Minimum Qualifications
Required:
- Minimum three (3) years of pipe welding experience in a fabrication shop, industrial construction, oil & gas, energy, mining, or related industry; or completion of a two-year welding program from an accredited technical or vocational school.
- Proficiency in GTAW (TIG) and GMAW (MIG/Wire Feed) welding processes.
- Experience welding carbon steel and/or stainless steel pipe.
- Ability to read and interpret isometric drawings, fabrication drawings, blueprints, and weld symbols.
- Knowledge of applicable welding codes, quality standards, and fabrication practices.
- Knowledge of weld shrinkage, distortion control, and fit-up techniques.
- Ability to pass a pre-employment weld test.
Preferred:
- Experience with SMAW and FCAW welding processes.
- OSHA 10 certification.
- Strong attention to detail and commitment to quality workmanship.
- Ability to work independently and as part of a team.
- Strong problem-solving and communication skills.
Physical Demands and Work Environment
The physical demands and work environment described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.
Work Environment:
- Work is performed primarily in a fabrication shop environment with exposure to varying temperatures, welding operations, cutting equipment, fabrication machinery, overhead cranes, and material handling equipment.
- Frequent standing, walking, bending, kneeling, lifting, and other physically demanding activities are required throughout the workday.
- Exposure to noise levels above 85 decibels, welding fumes, airborne particulates, and other industrial shop conditions is expected.
This role requires compliance with all applicable safety regulations, personal protective equipment (PPE) requirements, and Loenbro's Environmental Health and Safety (EH&S) policies.
Benefits
Loenbro offers a competitive salary, comprehensive benefits package, and rewards to those who join our team:
- Medical, dental, and vision insurance
- 401(k) retirement plan with company match
- Paid time off (PTO) and holiday pay
- Life and disability insurance
- Professional development and training opportunities
- Employee assistance program (EAP)
Benefits eligibility may vary based on employment classification and hours worked.
Guided by Core Values (LEAD), grounded in grit and a commitment to excellence, Loenbro betters our families, customers, and local communities. If you're ready to be part of a company that LEADS by:
- Living with Integrity
- Exceeding Expectations
- Acting with Urgency
- Delivering Excellence
…we want to hear from you.
Loenbro is an Equal Opportunity Employer
See all OPT Pipe Fitter Helper Jobs
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Get Access To All JobsTips for Finding OPT Sponsorship in Pipe Fitter Helper
Know your OPT authorization window
Standard OPT gives you 12 months of work authorization. Pipe Fitter Helper roles are active, full-time positions, so confirm your I-20 end date and EAD card validity before accepting any job offer to avoid authorization gaps.
Target industrial and commercial contractors
Large mechanical contractors, oil refineries, and manufacturing facilities hire Pipe Fitter Helpers regularly and have HR teams familiar with OPT documentation. Smaller residential plumbing outfits are less likely to navigate OPT paperwork confidently.
Understand what OPT authorization requires from employers
Employers do not file any petition for OPT. You present your EAD card and I-20. Clarifying this upfront removes the most common objection hiring managers raise about employing international students in trade roles.
Connect your degree to the role clearly
Your OPT must relate to your field of study. Construction engineering technology, mechanical systems, or industrial technology programs all support Pipe Fitter Helper roles. Be ready to explain that connection directly to a hiring manager.
Apply before your OPT start date is too close
Most mechanical contractors run background checks and union onboarding processes that take two to four weeks. Applying at least 60 days before you need to start ensures paperwork clears before your authorized employment period begins.
Ask about union membership and OPT compatibility
Some Pipe Fitter Helper positions are union-affiliated through the United Association. Union membership is open to OPT workers, but confirm the local has processed international students before committing to an apprenticeship track.
Pipe Fitter Helper OPT: Frequently Asked Questions
Can I work as a Pipe Fitter Helper on OPT?
Yes, as long as the role relates to your field of study. Programs in construction engineering technology, mechanical systems, industrial technology, or related fields directly support Pipe Fitter Helper positions. When applying, be prepared to show your EAD card and unexpired I-20 to confirm your work authorization. The employer does not need to file any petition.
Do Pipe Fitter Helper employers typically sponsor visas after OPT ends?
It varies by employer size and structure. Large industrial contractors and energy companies with established HR departments are more likely to sponsor an H-1B visa or other work visa after OPT. Smaller subcontractors rarely have the infrastructure for sponsorship. Migrate Mate lists Pipe Fitter Helper roles filtered by sponsorship history, so you can focus your search on employers who have sponsored before.
Does a Pipe Fitter Helper job count as a qualifying OPT position?
Yes, if it is directly related to your degree field. The role must use knowledge, skills, or techniques taught in your program. Construction technology, mechanical engineering, or industrial systems degrees typically satisfy this requirement for Pipe Fitter Helper work. Keep records of how your duties connect to your coursework in case your DSO requests documentation.
What documents do I need to start a Pipe Fitter Helper job on OPT?
You will need your Employment Authorization Document (EAD card), your unexpired passport, and your I-20 with a valid OPT recommendation from your DSO. Employers complete Form I-9 using these documents. Some contractors may also request your Social Security card. Make sure your EAD card has arrived before your first day of work, as you cannot legally begin employment without it.
Can I work as a Pipe Fitter Helper while waiting for my EAD card?
No. You cannot begin working until your EAD card is in hand and your OPT start date has passed. USCIS currently takes two to three months to process EAD applications, so apply as early as 90 days before your program end date. Working before your EAD arrives is an OPT violation and can jeopardize your immigration status.