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Pressure Vessel Fabrication Machine Operator

Mason Manufacturing, LLC
Decatur, IL Full Time
POSTED ON 4/14/2026
AVAILABLE BEFORE 5/10/2026
Day-in-the-Life

Start each shift on a stable, predictable schedule in a shop dedicated to custom-fabricated pressure vessels. You’ll set up for the day, review job specs, and move seamlessly from rolling heavy plate to forming on the press brake—switching to the shear or CNC plasma table as projects demand. You’ll work independently while coordinating with teammates, keep quality documentation tight, and make safety your constant.

What You’ll Do

  • Form heavy plate ranging from 3/16" to 1" thickness into shells up to 120" in diameter using plate rolls.
  • Set up and operate a press brake to achieve precise bends and profiles.
  • Utilize a 1/2" shear; prior experience with 1/2" shear operations is a plus.
  • Use CNC plasma cutting equipment to prep and cut parts (training available).
  • Read and interpret job specifications and blueprints, working independently to meet requirements.
  • Apply and maintain the company’s quality control procedures throughout each job.
  • Collaborate closely with teammates to hand off, fit, or weld components as needed.
  • Prioritize safe work practices at all times—be safety focused.

Grow With Us (We Train)

  • Advance your plasma cutting skills.
  • Build confidence in blueprint reading.
  • Develop plate layout expertise.
  • Earn applicable welding certifications as needed.
  • Gain a working understanding of relevant ASME Codes for pressure vessel work.

What You Bring

  • Hands-on experience with plate rolling, press brake operation, shear operation, plasma cutting, and welding.
  • Welding experience in an ASME Code environment is highly desirable.
  • Proven ability welding pressure vessels or large structural fabrications is highly desirable.
  • Dependable work history with strong follow-through.
  • Solid basic math and reading skills.
  • Team player with strong communication and interpersonal abilities.

Proficiencies

  • CNC tooling familiarity
  • Heavy material handling
  • Current or prior forklift license
  • Excellent communication skills
  • Blueprint reading

Machines & Technologies You’ll Use

  • Press Brake
  • CNC Plasma Cutter
  • Plate Roller
  • Vertical Lathe

Compensation & Benefits

  • Competitive pay based on demonstrated skills and capabilities (not time-based).
  • Exceptional benefits package.
  • Medical, dental, and vision coverage, plus optional supplemental policies.
  • 401(k) with company match.
  • Company-paid STD/LTD and Life Insurance (1x salary).
  • Company profit sharing.
  • Paid vacation and holidays.

Salary : $23 - $29

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