Welding Apprentice: Nuclear-Grade Fabrication

Master Machine, LLC; Chattanooga, Northern (TN, KY); Hybrid; USD 25,000 - 36,000; Full time

Job summary

Master Machine LLC, based in Chattanooga, TN, is seeking an entry-level Welder I to support our nuclear, defense, and critical infrastructure programs. Under close supervision, you will prepare materials, follow travelers, and execute standard joints while developing safety habits, print-reading skills, and process discipline required to grow within the welding trade.

You will complete OSHA safety onboarding and basic welding training (MIG/Stick or TIG), pass our internal weld skills assessment,

Qualifications

• Ability to read basic blueprints and interpret common weld symbols.
• Willingness to complete OSHA safety onboarding (PPE, LOTO, HazCom).
• Basic process training or hands-on experience in MIG/Stick or TIG welding.
• Ability to pass Master Machine’s internal weld skills assessment.
• Demonstrated safe work practices and consistent attendance.
• Ability to follow travelers, sign-offs, and documentation with guidance.

Responsibilities

• Perform standard joints on assigned parts under close supervision.
• Follow blueprints, weld symbols, and travelers exactly as written.
• Ask questions and escalate before starting a weld.
• Produce consistent weld quality with minimal rework.
• Perform basic visual self-checks on every weld before moving on.
• Sign off on traveler steps only after work has been completed correctly.

Skills

Blueprint reading

Weld symbols

OSHA onboarding

MIG/Stick or TIG welding

Documentation following travelers

Job description

Master Machine LLC, based in Chattanooga, TN, is seeking an entry-level Welder I to support our nuclear, defense, and critical infrastructure programs. Under close supervision, you will prepare materials, follow travelers, and execute standard joints while developing safety habits, print-reading skills, and process discipline required to grow within the welding trade.

You will complete OSHA safety onboarding and basic welding training (MIG/Stick or TIG), pass our internal weld skills assessment,