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CNC Supervisor

ARC Colorado, Inc.
Firestone, CO Full Time
POSTED ON 10/19/2026
AVAILABLE BEFORE 2/16/2027

Position Overview

We’re looking for a driven, technically sharp CNC Programmer & Department Supervisor to lead our CNC machining operations. This is a hands‑on, high‑ownership leadership role where you’ll guide a skilled team, build world‑class machining processes, and ensure our quality and delivery performance remains best‑in‑class.

You’ll own everything from daily floor leadership to advanced CNC programming, fixture/jig design, process development, and continuous improvement. You’ll partner with Engineering and Quality to bring new customer programs online and ensure seamless transition from concept to production.

If you want a role where your expertise, leadership, and ideas will make a visible impact — this is it.

Applicants must complete this short survey to be considered:
https://go.cultureindex.com/s/TUTYjJELre

Key Responsibilities

Leadership & Team Development

  • Lead, schedule, and develop CNC machinists, setup technicians, and operators.
  • Build structured training programs for new and experienced team members.
  • Mentor CNC Leads on advanced machining, problem solving, and equipment mastery.
  • Foster a disciplined, accountable, high‑performance culture.

Production Ownership

  • Oversee daily multi‑shift machine utilization to hit delivery commitments.
  • Optimize labor and machine allocation to maximize uptime and throughput.
  • Ensure processes and workmanship meet strict customer and specification requirements.
  • Drive lean initiatives that remove waste and streamline operations.

Quality & Safety Excellence

  • Oversee first‑article inspections, in‑process checks, and SPC to minimize scrap.
  • Ensure rigorous compliance with safety practices (PPE, LOTO, OSHA).
  • Maintain an organized, clean, and safety‑first production environment.

CNC Programming & Fixture Design

  • Design custom jigs, jaws, and fixtures to enable stable, efficient machining.
  • Program multi‑axis CNC mills using CAD/CAM platforms (SolidWorks, etc.) for aerospace and firearm components.
  • Develop optimized machining strategies, tool paths, speeds/feeds, and setups.
  • Troubleshoot floor issues and refine processes for maximum efficiency and repeatability.
  • Create and maintain setup sheets, tooling lists, and program documentation.

Required Experience & Qualifications

Experience

  • 3 years CNC programming including hands‑on production fixture/work‑holding design.
  • 10 years in manufacturing, with 5 years proven leadership.
  • Advanced setup and troubleshooting capabilities.
  • Ability to hold tolerances within .0005 in production environments.
  • Experience machining steels, stainless, tool steels, and aerospace alloys.
  • Strong background in lean manufacturing and continuous improvement.
  • Collaboration mindset with Engineering on DFM and new product development.

Technical Skills

  • Proficient in CAD/CAM (SolidWorks preferred), 3D modeling a plus.
  • Deep understanding of cutting tools, workholding physics, GD&T, G/M code.
  • Familiarity with pneumatic/hydraulic/manual workholding systems.
  • Strong use of inspection tools (micrometers, calipers, height gauges).
  • Knowledge of ISO 9001 / AS9100 / AS13100.
  • Ability to estimate machining costs and contribute to quoting efforts.

Soft Skills

  • Strong mechanical intuition and problem‑solving ability.
  • Clear communicator who can influence, develop, and elevate a team.
  • Driven, accountable, and detail‑oriented.

Working Conditions

  • Standing and shop‑floor presence for extended periods.
  • Ability to lift 50 lbs.
  • Comfortable in a fast‑paced machining environment (coolant, noise, chips).

Pay: $90,000.00 - $115,000.00 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Flexible spending account
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off
  • Retirement plan
  • Vision insurance

Work Location: In person

Salary : $90,000 - $115,000

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