Senior CNC Prototype Machinist

At a Glance Company: H&H Machining Center, Inc. Location: Valencia, CA 91355 (On-site) Job Type: Full-Time Pay Range: $35 – $45 per hour (DOE) Shift: Monday – Friday | Day Shift (Exact hours based on production schedule) Overtime: As needed Experience Level: Senior (7+ years CNC machining experience) Work Authorization: U.S. Person required (ITAR compliance) Why This Role Exists This role exists due to continued growth in aerospace and defense prototype programs requiring high-precision, low-volume, flight-critical components. At H&H Machining Center , this position is essential to supporting complex machining work where speed, accuracy, and consistency directly impact aerospace and defense program timelines. You will help deliver mission-critical parts where failure is not an option. The Work You’ll Be Doing In this role, you will: Set up and operate CNC mills and lathes (3, 4, and 5-axis) Program parts from scratch using CAM software and G-code Machine prototype and low-volume precision aerospace components Interpret complex engineering drawings and GD&T requirements Select tooling, set offsets, and establish machining setups Perform in-process inspection using precision measuring tools Troubleshoot toolpaths, offsets, and machining issues Optimize feeds, speeds, and cutting strategies for quality and efficiency Support AS9100D quality requirements and ITAR compliance Collaborate with engineering, programming, and quality teams Machines, Controls & Software You’ll work with equipment such as: Machines: CNC Mills (3, 4, 5-axis), CNC Lathes CAM Software: Mastercam (preferred), Fusion 360 Programming: G-code required Inspection Tools: Micrometers, calipers, CMM, precision measurement instruments Materials You’ll Work With Aluminum Steel / Alloy Steel Stainless Steel Titanium Inconel What We’re Looking For Required: 7+ years CNC machining experience (mills and lathes) Strong CAM programming ability (Mastercam preferred, Fusion 360 acceptable) Ability to program parts from scratch Strong blueprint reading and GD&T interpretation skills Experience holding tight tolerances (±0.0005” or better) Ability to set up, run, and troubleshoot CNC jobs independently Must be a U.S. Person (ITAR requirement) Preferred: Aerospace or defense machining experience AS9100D environment experience Multi-axis (4/5-axis) machining experience Prototype or low-volume production experience Why Machinists Like Working Here Machinists choose H&H Machining Center because: Work on high-precision aerospace and defense prototype parts Stable, long-term aerospace programs Modern CNC equipment and organized shop environment Strong focus on craftsmanship and ownership of work Direct collaboration with engineering and quality teams Opportunity to work on challenging, non-repetitive machining work Pay, Benefits & Schedule Pay Range: $35 – $45 per hour (DOE) Benefits: Health insurance Paid time off (PTO) Stable long-term employment Career growth in aerospace machining Schedule: Monday – Friday Day Shift Overtime as required based on production demand Apply Interested machinists can apply directly by submitting a resume for review. #J-18808-Ljbffr H&H Machining Center, Inc.