CNC Machinist (QSS)
$75,000–$80,000 year
On-siteLouisville, Colorado, United States
Job Summary
Fabricate prototype components and precision fixtures from engineering drawings, models, sketches, and verbal requirements while operating three- and four-axis CNC machines, manual mills, lathes, surface grinders, and laser equipment. Create and modify straightforward CNC programs, select tooling, and establish workholding to machine materials including aluminum, titanium, steels, glass, and silicon to ±0.0005 inch tolerances. Perform in-process and final inspection using gauges, micrometers, CMM equipment, and optical metrology systems to ensure parts are inspection-ready. Document setups, programs, and inspection results to support repeatability, maintain machines and tooling in a clean, safe condition, and diagnose machining issues with support from the Master Machinist. Collaborate closely with mechanical engineers, scientists, and manufacturing personnel to clarify requirements and improve shop workflows.
Required Qualifications
- 2–3 years of hands-on machining experience in a prototype, toolroom, research, aerospace, defense, precision-instrumentation, or similarly demanding environment
- Demonstrated ability to set up and operate three-axis CNC mills and common manual machining equipment
- Experience with four-axis machining or a clear ability to develop that capability
- Working knowledge of CNC programming and the ability to create or modify straightforward programs
- Ability to read and interpret engineering drawings, dimensions, tolerances, and basic GD&T requirements
- Experience producing precision parts to tolerances on the order of ±0.0005 inch
- Working knowledge of dimensional inspection using common gauges and precision measurement equipment
- Ability to independently organize and complete assigned work while seeking direction appropriately for complex or unfamiliar processes
- Strong attention to detail, workmanship, safety, cleanliness, and documentation in a fast-moving, low-volume, high-mix development environment
- Ability to lift and move items weighing up to 50 pounds, with or without reasonable accommodation
- Ability to work on-site in Boulder, Colorado, during the day shift, with minimal overtime as business needs require
Desired Qualifications
- Experience with four-axis CNC machining, surface grinding, additive manufacturing, laser processing, and routine machine maintenance
- Experience with titanium, stainless and tool steels, or glass and silicon fabrication; familiarity with UHV-compatible materials and contamination control
- Experience with CMM inspection, profilometry, optical metrology, or other advanced measurement systems; training can be provided
- Experience supporting rapid-turn prototype or fixture development for UHV, optical, quantum, aerospace, defense, or scientific systems, including controlled drawings and inspection documentation
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