What Millwright Workers Do

Millwrights install, dismantle, move, and repair machinery and heavy equipment according to blueprints, layout plans, or other drawings. They align machines using precision tools like levels, lasers, and plumb bobs, and assemble machines using rigging equipment like hoists and cranes. Daily tasks include reading technical manuals, using welding equipment, and performing preventive maintenance to ensure equipment runs smoothly.

Millwrights work in industrial settings such as manufacturing plants, power generation facilities, construction sites, and paper mills. They often handle large-scale equipment in factories producing chemicals, food, paper, or steel. Environments can be noisy, hot, or confined, requiring physical strength to lift heavy parts and work at heights. Most work full time, with overtime common during shutdowns or installations. About 37,930 millwrights were employed nationally in 2023, concentrated in industries like utility system construction and chemical manufacturing.

How to Get Started

Start with a high school diploma or equivalent; focus on math, physics, and shop classes for a strong foundation. No college is required, but mechanical aptitude helps. Entry often begins as a helper or laborer gaining on-the-job experience.

The main path is a millwright apprenticeship, lasting up to 4 years, combining 2,000 hours of paid on-the-job training per year with 144+ hours of classroom instruction. Apprenticeships are sponsored by unions like the United Brotherhood of Carpenters (UBC), employer associations, or companies. Contact local chapters of UBC or state apprenticeship agencies to apply. Requirements typically include being 18+, passing an aptitude test, physical exam, and drug screening. Expect a 4-year timeline: Year 1 focuses on basics like safety and tools; later years cover advanced rigging, alignment, and hydraulics.

  • Step 1: Earn GED/high school diploma.
  • Step 2: Build skills via trade school or helper jobs.
  • Step 3: Apply to apprenticeships through UBC or DOL-registered programs.
  • Step 4: Complete 4-year program for journeyman status.

Timeline: 4-5 years to journeyman. Some start with 1 year of OJT as mechanics before specializing.

Certifications and Licenses Needed

No national license is required, but certifications boost employability. Complete a DOL-registered apprenticeship for journeyman millwright credential, issued by the sponsoring program or union.

Key certifications:

  • Millwright Certification: From National Center for Construction Education and Research (NCCER) or Manufacturing Skill Standards Council (MSSC). Levels 1-4 cover installation, maintenance, and troubleshooting.
  • Rigging Certification: NCCER or CICB for safe crane/hoist operation.
  • Welding Certifications: AWS (American Welding Society) for SMAW/GMAW processes used in repairs.
  • OSHA Safety Cards: OSHA 10/30-hour for construction/general industry.
  • State-specific: Some states require elevator or boiler licenses if work involves those systems.

Unions like UBC issue journey cards upon apprenticeship completion. Renew certifications every 3-5 years with continuing education.

Pay and Career Progression

Entry-level millwrights (10th percentile) earn $43,160 annually ($20.75/hour); median is $62,980 ($30.28/hour); 75th percentile reaches $76,380 ($36.72/hour); top 10% make $82,700 ($39.76/hour). Mean wage is $64,310 ($30.92/hour) as of May 2023. For the broader group including industrial mechanics and maintenance workers, median was $63,510 in May 2024.

Progression: Apprentices start at 40-60% of journeyman scale ($25,000-$40,000/year), reaching full journeyman pay after 4 years ($60,000+). With 5-10 years experience, become foreman ($80,000-$100,000) or supervisor. Specialized millwrights in mining support or utilities earn up to $82,530 mean. Union jobs add benefits like pensions and health insurance. Wages vary by location: higher in Washington state areas ($73,000-$78,000).

Career ladder: Helper (1 year) → Apprentice (4 years) → Journeyman → Foreman/Inspector → Maintenance Supervisor or Contractor Owner.

Job Outlook

Employment for industrial machinery mechanics, maintenance workers, and millwrights grows 13% from 2024-2034, much faster than average (3% for all occupations). This projects from 538,300 jobs in 2024 to about 607,000 by 2034. Expect 54,200 openings yearly from growth and replacements. Millwright-specific employment was 37,930 in 2023, stable from 39,240 in 2021.

Demand drivers: Aging infrastructure needs repairs; growth in manufacturing, renewable energy (wind turbines), and automation. Retirements create openings as workforce is 98% male and skilled labor shortages persist. High-demand areas: Midwest manufacturing hubs like Illinois (2,250 jobs, $77,570 mean) and Pacific Northwest. Construction and utilities lead industry employment.