CNC Programmer

We are a rapidly growing, high-precision manufacturing facility in Brea, California, serving the Aerospace, defense industries.

We are seeking a forward-thinking CNC 5-Axis Mastercam Programmer to join our team.

Key Responsibilities

Programming: Write and optimize 5-axis simultaneous and 3+2 indexed CNC programs using Mastercam.

Setup & Prove-Out: Perform complete machine setups, select appropriate tooling, and run the first-article inspection to prove out G-code safely. Able to run intricate parts. Has experience working with a variety of materials (i.e., aluminum, steel, stainless steel, bronze, high-temp alloys, plastics, etc)

Toolpath Optimization: Utilize Mastercam Unified Toolpaths (Morph, Parallel, Spiral) to maximize material removal rates and extend tool life.

Simulation: Use Mastercam Machine Simulation to virtually test and verify G-code against machine kinematics, eliminating collision risks.

WCS Management: Establish accurate Work Coordinate Systems (WCS) and dynamic work offsets (G54.2 / TCPC) for complex geometry.

Collaboration: Work alongside engineering and floor machinists to troubleshoot machining issues and improve cycle times.

Qualifications & Experience

Experience: 3–5+ years of dedicated 5-axis CNC programming and setup experience in a high-tolerance environment.

Software Mastery: Advanced proficiency in Mastercam (Mill 3D and Multi-axis modules).

Machinery: Hands-on experience setting up and operating multi-axis machines.

Technical Skills: Expert blueprint reading, GD&T fluency, and precision inspection tool competence.

Quality Standards: Prior experience working under AS9100 quality management systems is highly preferred.

Citizen Requirements: Due to our defense contracts, candidates must be US Citizens or Permanent Residents (ITAR compliant)

Nytron Aerospace is your trusted partner in providing concept-to-production solutions for the space and defense industry. We leverage our combined capabilities, advanced technologies, and a proven track record of performance across our three divisions to deliver solutions for integrated dynamic systems, assemblies, and advanced manufacturing. These components are vital in our industry’s most critical programs, including crewed-space flight and hypersonic missions.