Production / Assembly Supervisor

Prosimo.io
Prosimo.io

People & HR, Operations · Full-time

St. Louis, MO, USA

USD up to 70k / year

Posted on Sep 4, 2026

Assembly Supervisor

St. Louis, MO | Onsite | First Shift | up to $60,000

We are seeking an experienced Assembly Supervisor to lead day-to-day assembly operations for an established manufacturing organization specializing in custom metal tube fabrication, tube bending, welding, and welded assemblies.

This is a hands-on leadership opportunity for someone who understands manufacturing operations, can troubleshoot equipment and processes, and knows how to keep a production team safe, organized, and on schedule.

What You'll Do

  • Oversee daily operations of the assembly lines
  • Coordinate production schedules with the Production Scheduler
  • Ensure assembly equipment is properly set up and ready for production
  • Train, coach, and oversee setup and operator personnel
  • Troubleshoot technical issues involving assembly equipment and processes
  • Update BOMs and routers when manufacturing or assembly processes change
  • Ensure employees follow quality and safety procedures
  • Monitor staffing and workflow to keep production running efficiently
  • Work directly with the team to identify and resolve production issues
  • Help maintain a safe, organized, and productive assembly environment

What We're Looking For

  • Previous manufacturing assembly experience within a supervisory, lead, or team-lead role
  • Strong understanding of assembly processes and equipment operation
  • Ability to troubleshoot machinery and equipment issues
  • Solid knowledge of manufacturing safety procedures
  • High school diploma or equivalent required
  • Technical degree preferred
  • Microsoft Office/Microsoft Suite experience
  • Dynamics ERP experience
  • Strong communication and organizational skills
  • Ability to work effectively in a hands-on production environment

Helpful Experience--

Experience with any of the following is a plus:

  • Metal fabrication
  • Welding
  • CAD
  • Fixture or tooling design
  • Lean Manufacturing
  • Six Sigma

Schedule & Compensation

Salary: up to $70,000

Schedule: First shift, typically 6:00 AM–3:00 PM depending on production demands

The position is exempt but includes additional straight-time compensation for qualifying hours worked beyond 96 hours over a two-week period and qualifying weekend work.

Benefits

  • Benefits beginning the first of the month following 30 days
  • Company-paid life insurance
  • Long-term disability coverage
  • 120 hours of PTO annually
  • 401(k) discretionary match of 50% up to 3%
  • Discretionary annual profit sharing

Why Join This Team

This is an opportunity to take ownership of an important production function and have a direct impact on safety, quality, efficiency, and output. You'll be close to the operation rather than simply managing from a desk, working alongside a manufacturing team while helping establish strong processes and keep production moving.

You'll join an established manufacturing environment where teamwork, accountability, and hands-on leadership are important to getting the job done right.