Castelion
Manufacturing Engineer – Advanced Composite Machining
Torrance, CA +1 · Full-time · Posted Oct 14, 2026
- Location
- Torrance, CA
19951 Mariner Ave, Torance, CA 90503 - Visa sponsorship
- Employment is contingent on the candidate’s ability to access applicable export-controlled information without additional export licensing. If the position is designated as requiring a security clearance or other government authorization, the candidate must be able to obtain and maintain it and meet any applicable citizenship or eligibility requirements.
About the job
Develops and operates 5-axis CNC machining processes for advanced composite components, with a primary focus on cutting-tool selection and optimization and transitioning prototypes into repeatable production.
What you'll do
- Program, set up, operate, and troubleshoot complex 5-axis CNC machining using CAM toolpaths.
- Select and validate tools and cutting parameters for advanced composites; run trials and document tool performance.
- Develop and standardize machining processes, documentation, and production methods in collaboration with engineering, quality, and manufacturing teams.
What they ask for
- Extensive hands-on experience with 5-axis CNC milling.
- Demonstrated CAM programming experience using Siemens NX CAM and/or Mastercam.
- Direct experience machining advanced composites, preferably carbon-carbon, phenolic, or C/SiC.
- Strong expertise in cutting-tool selection, machining parameters, and process optimization.
Nice to have
- Experience with both Siemens NX CAM and Mastercam.
- Experience with specialized tooling such as diamond, PCD, or carbide for abrasive and brittle materials.
Tools
Siemens NX CAM, Mastercam, CAD, GD&T, PCD
Model-written summary · the original posting is authoritative