Senior CNC Programmer - Prototype Engineer

Job Title: Senior CNC Programmer - Prototype EngineerLocation: Livermore, CACompensation: $125k - $160k/yr + Comprehensive BenefitsRequirements: 10+ years in a Precision Manufacturing Environment, 5+ years CNC programming with Mastercam, 3/4/5-Axis Milling, Lathe programming, GD&TPosition OverviewAre you a highly skilled CNC Programmer looking for an opportunity to work on challenging, precision-engineered components in a state-of-the-art facility instead of repetitive production work?An industry-leading precision manufacturer is seeking an experienced CNC Programmer / Prototype Engineer to support complex aerospace, defense, semiconductor, and advanced technology programs. This is an opportunity to play a critical role in developing machining strategies, programming sophisticated multi-axis equipment, and driving manufacturing excellence in a high-mix, low-volume environment.Key ResponsibilitiesDevelop and optimize CNC programs using Mastercam for highly complex precision components.Program 3-axis, 4-axis, and 5-axis machining centers, as well as CNC turning platforms (Mill/lathe)Create setup sheets, tooling plans, work instructions, and fixture concepts.Improve machining efficiency through cycle-time reduction, tool-life optimization, and process improvements.Validate and prove out programs at the machine to ensure production readiness and process capability.Collaborate with machinists, engineers, and quality teams to solve technical manufacturing challenges.Analyze feeds, speeds, tooling, workholding, coolant strategies, and cutting conditions.Support prototype and production manufacturing projects requiring tight tolerances and exceptional quality standards.Drive continuous improvement initiatives focused on throughput, repeatability, and operational excellence.Required QualificationsMinimum 7+ years of CNC programming experience with demonstrated expertise in MasterCAM and CAD-driven programming for prototype workStrong Mastercam programming experience.Expertise programming 3-axis, 4-axis, and 5-axis CNC equipment.Strong GD&T and blueprint interpretation skills.Deep understanding of machining theory, tooling, fixturing, workholding, and material machinability.Experience supporting high-mix, low-volume manufacturing environments.Familiarity working within AS9100 quality systems.Preferred but not requiredAerospace, defense, semiconductor, medical device, or other highly regulated manufacturing experience.HyperMill experience.Vericut simulation and program verification experience.Experience with prototype and complex close-tolerance machining.BenefitsCompetitive PayMedical, dental, vision coverage401(k) with company match (immediate vesting)Employee Stock Purchase Plan (ESPP)PTO + paid holidaysTuition reimbursementDisability insurance  Email Your Resume In Word ToDan.Stewart@CyberCoders.comLooking forward to receiving your resume through our website and going over the position with you. Clicking apply is the best way to apply.Please do NOT change the email subject line in any way. You must keep the JobID: linkedin : DS18-33633L596 -- in the email subject line for your application to be considered.Dan Stewart - Executive RecruiterFor this position, you must be currently authorized to work in the United States without the need for sponsorship for a non-immigrant visa. This is a new role.CyberCoders will consider for Employment in the City of Los Angeles qualified Applicants with Criminal Histories in a manner consistent with the requirements of the Los Angeles Fair Chance Initiative for Hiring (Ban the Box) Ordinance.This job was first posted by CyberCoders on 08/27/2026 and applications will be accepted on an ongoing basis until the position is filled or closed.Everforth CyberCoders is proud to be an Equal Opportunity Employer All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity or expression, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, status as a crime victim, disability, protected veteran status, or any other characteristic protected by law. Our hiring process includes AI screening for keywords and minimum qualifications, and a virtual recruiter as part of the application process. A human recruiter reviews all results. Click here for details on our virtual recruiter .  Everforth CyberCoders will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable state and local law, including but not limited to the Los Angeles County Fair Chance Ordinance, the San Francisco Fair Chance Ordinance, and the California Fair Chance Act. Everforth CyberCoders is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. Individuals needing special assistance or an accommodation while seeking employment can contact a member of our Human Resources team at Benefits@CyberCoders.com to make arrangements.Copyright © 2026 Everforth, Inc. All rights reserved.