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.