Prototype Machinist - Precision CNC & NPI Specialist

MLOPTIC CORP; Sunnyvale (CA); On-site; USD 75,000 - 100,000; Full time

Job summary

MLOPTIC CORP in Sunnyvale, CA is seeking a Machinist to support a prototype machine shop. You will set up and operate CNC mills and lathes to produce precision prototype components, interpret drawings and GD&T, and collaborate with engineering to meet tight tolerances and cosmetic requirements.

The role emphasizes quality, documentation, and continuous improvement in a fast-paced environment. Onsite five days a week with strong attention to safety and lean practices.

Qualifications

• 5+ years of machinist experience in precision manufacturing, prototype, aerospace, optics, medical device, or related environment.
• Ability to read and interpret engineering drawings, GD&T, and manufacturing documentation.
• Proficiency using precision inspection equipment and measuring tools.
• Strong mechanical aptitude, attention to detail, and problem-solving skills.
• Ability to work independently and collaboratively in a fast-paced prototype environment.
• Exposure to CMM inspection and report interpretation.

Responsibilities

• Set up and operate CNC mills, lathes, and related machine shop equipment to manufacture precision prototype and low-volume production components.
• Interpret engineering drawings, GD&T requirements, work instructions, and 3D CAD models to produce parts to specification.
• Select tooling, fixtures, workholding methods, and machining parameters to achieve required tolerances and surface finishes.
• Perform machine offsets, tool changes, and setup adjustments to optimize quality and efficiency.
• Inspect completed parts using precision measuring equipment including calipers, micrometers, height gauges, indicators, and other metrology tools.
• Perform first-article and in-process inspections and document results.
• Identify dimensional or process issues and collaborate with the Machine Shop Lead and engineering teams to implement corrective actions.
• Maintain accurate production and inspection records.

Skills

Reading drawings

GD&T

Inspection tools

Problem solving

Independent & team work

CMM inspection experience

Job description

MLOPTIC CORP in Sunnyvale, CA is seeking a Machinist to support a prototype machine shop. You will set up and operate CNC mills and lathes to produce precision prototype components, interpret drawings and GD&T, and collaborate with engineering to meet tight tolerances and cosmetic requirements.

The role emphasizes quality, documentation, and continuous improvement in a fast-paced environment. Onsite five days a week with strong attention to safety and lean practices.