GLENN LEONARD
Long Beach,CA
Summary
Senior CNC Programmer and Machinist with 16+ years of experience in aerospace and defense manufacturing environments. Extensive expertise in 3-, 4-, and 5-axis CNC programming, complex multi-axis setups, tooling and fixture design, and precision machining to tolerances as tight as ±.0002. Proven leader in prototype-to-production transitions, process optimization, and cycle time reduction. Experienced in ITAR-regulated environments, cleanroom protocols, ESD/FOD compliance, and high-accountability manufacturing operations.
Overview
17
17
years of professional experience
Work History
CNC Machinist
KARMAN SPACE & DEFENSE
11.2025 - Current
- Program, set up, and operate multi-axis VTL and gantry systems with 5-axis heads
- Optimize cycle times while maintaining aerospace-grade quality standards
- Collaborate with engineering on prototype and hybrid hardware builds
- Ensure compliance with ITAR, cleanroom, ESD, and FOD requirements
CNC Programmer
Cummins Aerospace
05.2025 - 10.2025
- Primarily hired to capture the data and processes of workflow
- Adjusting existing programs; advising programs implementing new technology
- Developed procedure sheets, set up sheets and standardizing existing tools so that way operations run smoothly.
- Improving cycle times
- Contractor
CNC Programmer / Shop Lead
MACH INDUSTRIES
01.2024 - 01.2025
- Lead prototype machining operations and managed shop workflow
- Designed precision fixtures to improve accuracy and reduce cycle time
- Quoted complex aerospace projects and supported technical planning
- Trained machinists in multi-axis programming and advanced setup techniques
Machinist, CNC Programmer
NORTHROP GRUMMAN SPACE TECHNOLOGY
01.2009 - 01.2024
- Programmed and operated 5-axis CNC equipment for aerospace components
- Collaborated with planners and engineers to refine manufacturing processes
- Produced complex hybrid hardware with minimal supervision
- Maintained strict adherence to defense and aerospace compliance standards
Education
Associate Degree - Machine Tool Technology
El Camino College
Torrance, CA01-2011
High School Diploma -
Paramount High School
Paramount, CA01-2003
Skills
- 3-, 4-, & 5-Axis CNC Programming (VTL, Gantry, 5X Head)
- MasterCam (16 yrs), Siemens NX, Fusion 360, TeamCenter
- HAAS, Mori Seiki, OKK, Okuma, Mazak, JOBS/LINXS, Siemens Controls
- Tooling & Fixture Design GD&T Interpretation
- Tight Tolerance Aerospace Hardware (±0002)
- ITAR Compliance Cleanroom ESD FOD 5S
Timeline
CNC Machinist
KARMAN SPACE & DEFENSE
11.2025 - Current
CNC Programmer
Cummins Aerospace
05.2025 - 10.2025
CNC Programmer / Shop Lead
MACH INDUSTRIES
01.2024 - 01.2025
Machinist, CNC Programmer
NORTHROP GRUMMAN SPACE TECHNOLOGY
01.2009 - 01.2024
Associate Degree - Machine Tool Technology
El Camino College
High School Diploma -
Paramount High School