Elias Maina
Twentynine Palms
Summary
Experienced CNC Machinist with 10+ years of expertise in operating and programming CNC and manual machinery. Proficient in 3D printing, Dynamic Additive Manufacturing, materials innovation, and end-to-end product development. Strong track record of 5+ years leading cross-functional teams on DoD and Public Works projects. Highly skilled in blueprint interpretation, GD&T, precision measurement, 3D printing, and coding. Achieved a remarkable 30% improvement in production efficiency through optimized CNC programming and materials management. Committed to upholding quality and safety compliance in all projects.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Senior Machinist (Additive & Subtractive manufacturing)
United States Marine Corps
04.2019 - Current
- Managed complex projects from inception to completion, meeting tight deadlines while maintaining quality standards.
- Fabricate custom parts using manual mills/lathes & 3D printers while maintaining high quality standards
- Interpreted complex blueprints and GD&T specs for Air Ground Support components.
- Optimized CNC & CAD/CAM programming to increase productivity while reducing material waste and rework rates.
- Enhanced production efficiency by implementing new machining techniques and processes.
- Conducted routine machine maintenance, decreasing downtime by 30%
- Managed complex projects from inception to completion, meeting tight deadlines while maintaining quality standards.
Chief Engineer
United States Marine Corps
10.2017 - 03.2019
- Responsible for overseeing all engineering equipment & activities within the Light Armored Reconnaissance Battalion USMC .
- Established procedures for corrective and preventive maintenance.
- Ensured the successful execution of technical projects, drive innovation, and maintaining alignment with the chain of command.
- Provided training with hands-on technical expertise that led teams, optimized processes, and delivered high-quality solutions.
- Mentored junior Marine Corps engineers, providing guidance on best practices and technical expertise for professional growth.
- Managed and scheduled equipment and system preventive maintenance programs to verify contractual compliance.
CNC/Manual Machinist
Department of Defense
03.2016 - 09.2017
- Program and operate CNC lathes/mills, manufacturing high quality parts through optimized tool paths
- Perform quality checks using CMM, ensuring parts meet ±0.0005" tolerances
- Train 5+ junior machinists Marines on safety protocols and CNC operations, improving team productivity
- Implement Lean Manufacturing techniques, cutting material waste by 15%
Education
Technical Certificate - Engineering
Marine Corps Detachment Ordinance School
Fort Lee, VA04-2018
Metalworking Skills Certificate - Engineering
National Institute For Metalworking Skills
Petersburg, VA03-2016
Technical Certificate - Machining
United States Army Ordnance School
Petersburg, VA01-2015
Certificate of Medical Technology - Medical Technology
Sanford Brown College
Atlanta, GA01-2012
High School Diploma -
McEachern High School
Atlanta, GA05-2008
Skills
- CNC Lathes
- CNC Mills
- Manual Lathes
- Milling Machines
- 3D printers
- Mastercam
- SolidWorks
- AutoCAD
- Fusion 360
- Insight
- Probes
- 3D scanners
- GD&T
- CAD/CAM Programming
- Quality Control
- Problem-Solving
Websites
Certification
- NIMS CNC Programmer Certification, 2020
- OSHA 30-Hour General Industry, 2019
- Lean Six Sigma Yellow Belt, 2021
- NIMS CNC Programming
- OSHA 30-Hour
- Advanced rapid prototype
Projects And Achievements
- Efficiency Project, Redesigned a critical Air Ground Support components, reducing machining time by 25%
- Safety Initiative, Led a workshop on OSHA standards, resulting in zero incidents for 6 years.
Languages
Swahili
Full Professional
Timeline
Senior Machinist (Additive & Subtractive manufacturing)
United States Marine Corps
04.2019 - Current
Chief Engineer
United States Marine Corps
10.2017 - 03.2019
CNC/Manual Machinist
Department of Defense
03.2016 - 09.2017
Technical Certificate - Engineering
Marine Corps Detachment Ordinance School
Metalworking Skills Certificate - Engineering
National Institute For Metalworking Skills
Technical Certificate - Machining
United States Army Ordnance School
Certificate of Medical Technology - Medical Technology
Sanford Brown College
High School Diploma -
McEachern High School
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