CNC Machinist, R&D

SureFire LLC•Fountain Valley, CA
•Onsite

About The Position

The CNC Machinist in Research & Development fabricates prototype components using computer numerical control machinery, translating engineering designs into precise physical parts that meet specifications and quality standards. The role works closely with engineers and designers to refine manufacturing processes, troubleshoot machining issues, and optimize equipment for new product development. It also maintains and programs CNC equipment to support efficient production cycles for iterative testing and evaluation, contributing to product development through accurate, on-schedule prototypes. The position requires on-site work for real-time equipment operation, hands-on production oversight, and safety supervision. The work environment typically has moderate noise and exposure to moving mechanical parts and vibration.

Requirements

  • Ability to read and interpret engineering drawings and technical specifications.
  • Basic knowledge of CNC programming and tooling setup.
  • Strong attention to detail and manual dexterity.
  • Ability to perform arithmetic, algebra, fractions, and geometry calculations relevant to machining.
  • Proficiency in Microsoft Office, including Excel, Word, PowerPoint, and Outlook.
  • Ability to occasionally lift and/or move up to 25 pounds.
  • Ability to meet the listed physical demands, including regular sitting and hand use, frequent reaching, and occasional standing, walking, and stooping, kneeling, crouching, or crawling.
  • Demonstrated problem-solving, interpersonal, written and oral communication, teamwork, judgment, planning and organization, diversity awareness, ethics, professionalism, safety, attendance, and dependability competencies.

Nice To Haves

  • Associate degree or certification in CNC machining, manufacturing technology, or a related field.
  • Five years of experience operating CNC machines in a manufacturing or prototyping environment.
  • Knowledge of Mastercam or Esprit.
  • AA, technical certification, or journeyman qualification, and/or up to five years of relevant work experience.

Responsibilities

  • Set up, operate, and maintain CNC machines to produce prototype parts according to engineering drawings and specifications.
  • Interpret technical blueprints, CAD models, and work instructions to program and adjust CNC machinery.
  • Collaborate with R&D engineers to troubleshoot machining issues and recommend process improvements.
  • Perform routine maintenance and calibration of CNC equipment.
  • Document production data, machine settings, and quality inspection results.
  • Follow safety protocols and maintain a clean, organized work environment.
  • Assist in developing and testing machining techniques and tooling for prototype fabrication.
  • Maintain good attendance and punctuality and a positive, respectful attitude while cooperating with co-workers, management, and customers.
  • Execute daily process improvement using lean manufacturing methodologies.
  • Maintain the work area using 6S principles.
  • Work safely and promptly report unsafe conditions or injuries to a supervisor or manager.
  • Perform other duties as assigned.
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