ISO Tank Container Welder

Heniff Transportation Systems, LLC; St. Louis (MO); On-site; USD 50,000 - 80,000; Full time

Job summary

Heniff Transportation Systems, LLC is seeking an experienced ISO / Tank Container Welder to fabricate, repair, and maintain containers used for liquids, gases, and chemicals. You will read blueprints, perform MIG/TIG/aluminum welds, and ensure leak-free, regulation-compliant welds.

Work in an industrial setting with a focus on safety, quality control, and documentation. The role requires physical stamina and the ability to work in various positions; training and adherence to standards are

Qualifications

• High school diploma or equivalent; welding certification or training preferred.
• Experience welding ISO / Tank containers, pressure vessels, or industrial tanks.

Responsibilities

• Perform MIG, TIG, and aluminum welding on stainless steel, carbon steel, aluminum, and other metals.
• Read and interpret blueprints, drawings and welding specs for precision.
• Repair leaks or cracks to meet industry standards (IMDG, DOT, ITCO).
• Inspect welds to ensure quality and safety compliance.
• Operate and maintain welding tools and safety equipment.
• Document work and coordinate with inspectors and QC teams.

Skills

MIG welding

TIG welding

Aluminum welding

Blueprint reading

Attention to detail

Safety awareness

Physical stamina

Education

High school diploma or equivalent

Welding certification or technical training

Tools

Welding equipment

Safety PPE

Job description

Company Culture

It’s fun to work in a company where people truly BELIEVE in what they’re doing!

Position Summary

An ISO / Tank Container Welder is responsible for performing high-quality welding tasks related to the fabrication, maintenance, and repair of ISO containers used for the storage and transport of liquids, gases, and chemicals. This role requires advanced welding skills, attention to detail, and a strong commitment to safety, as an ISO / Tank Container must adhere to strict industry standards for strength, durability, and leak prevention.

Duties and Responsibilities

• Perform MIG, TIG, and aluminum welding on stainless steel, carbon steel, aluminum, and other metals used in ISO / Tank Container construction and repair.
• Read and interpret blueprints, technical drawings, and welding specifications to ensure precision and accuracy.
• Repair leaks, cracks, and other damages to meet industry standards (IMDG, DOT, ITCO).
• Conduct inspections to ensure weld quality and compliance with safety and regulatory requirements.
• Operate and maintain welding tools, machinery, and safety equipment.
• Collaborate with regulatory inspectors and quality control teams to address any welding-related issues.
• Follow company safety protocols, including the proper handling of hazardous materials and gases.
• Maintain cleanliness and organization of the welding workspace.
• Document completed work and repairs, maintaining detailed records for regulatory and internal review.

Job Requirements

• High school diploma or equivalent; welding certification or relevant technical training is highly preferred.
• Proven experience in welding, particularly with ISO / Tank containers, pressure vessels, or industrial tanks.

Preferred Qualifications

• Proficient in various welding techniques (MIG, TIG, and Aluminum).
• Strong knowledge of welding safety procedures, including handling hazardous materials and gases.
• Ability to work with precision and attention to detail.
• Good physical stamina and ability to work in various positions (standing, kneeling, etc.) for extended periods and welding from those positions as well.
• Ability to work in a fast-paced environment and meet deadlines.

Essential Qualifications

• Must demonstrate adequate welding capability before considered for a position.

Language Skills

Ability to read, write and speak English proficiently.

Physical Demands

Position requires manual dexterity and the ability to maintain physical activity throughout the day: Must be able to lift up to 50 pounds and hold or lift a variety of objects. Able to carry, bend, stoop, turn, kneel, crawl, climb a ladder and other manual labor activities. Ability to operate in a constant state of alertness and safe manner.

Work Environment

Industrial or manufacturing setting. May involve exposure to high temperatures, loud noises, fumes, and hazardous materials. Use of personal protective equipment (PPE) is always required.

Benefits Package

• Medical, Dental, Vision, Life, and Disability Insurance
• 401(k) Plan + Company Match
• Paid Time Off (120 hours yearly)
• Company Paid Holidays

Equal Opportunity Employer

We are proud to be an equal opportunity employer, hiring and developing individuals from diverse backgrounds and experiences to add to our collaborative culture. Heniff treats all candidates and employees with respect and does not discriminate in our recruiting, hiring, and promoting processes and general treatment during employment, including on the basis of actual or perceived race, creed, color, religion, sex, age, sexual orientation, gender identity and/or expression, alienage or national origin, ancestry, citizenship status, marital status, veteran status, or disability.