Company OverviewAerospace Dynamics International, Inc. (ADI), a division of Precision Castparts Corp. (PCC), is a leading manufacturer of high-precision machined parts and assemblies serving the commercial and military aerospace industries. Our products support critical aircraft structures, including caps, panels, bulkheads, longerons, spars, wing ribs, thrust reversers, and custom tooling solutions such as stretch form blocks.
Located in Valencia, California, ADI operates across four advanced manufacturing facilities and employs over 230 full-time staff. We are AS9100-certified and fully ITAR-compliant, supporting our commitment to quality, traceability, and national security requirements.
Since our acquisition by PCC in 2014, ADI has benefited from strategic investments, continuous improvement initiatives, and a strong growth trajectory. We take pride in our skilled workforce, lean manufacturing culture, and dedication to delivering world-class aerospace components.
Position Summary:Level 4 NC Machinists demonstrate expert-level ability to set up, run, and troubleshoot all site-specific CNC and conventional machines and machining processes. These individuals are proficient across a broad range of equipment and can independently manufacture and validate complex tooling. In addition to machining responsibilities, Level 4 machinists are expected to provide leadership, mentoring, and hands-on training to lower-level machinists. They play a key role in cross-training, troubleshooting, and supporting area leadership. This role typically requires 5 or more years of machining experience.
Primary Duties & Responsibilities:Perform all Level 1–3 duties, plus:
- Provide cross-training flexibility across all machining platforms and departments.
- Independently troubleshoot machining problems and assist other machinists as needed.
- Design, manufacture, and validate tooling for production needs.
- Lead process improvement efforts within the area.
- Mentor and train lower-level machinists, supporting their development and growth.
- Act as a subject matter expert and area lead when necessary.
- Additional duties may be assigned at the discretion of management to meet operational needs.
Required Skills:- Advanced experience across multiple CNC and conventional machining platforms.
- Expert knowledge of tooling, setup, program validation, and machine recovery.
- Demonstrated leadership and mentoring capabilities.
- Strong problem-solving skills applied to a wide range of production challenges.
- Intermediate knowledge of CAD/CAM software.
- Ability to lift up to 35 lbs.
- This position may involve standing for extended periods, repetitive motion, exposure to machine noise, and handling of industrial materials using proper PPE.
Required Experience:- 5+ years of experience in a machining role.
- Proven success in mentoring, training, or leading others on the shop floor.
Education Requirements:- High School Diploma or GED preferred but not required.
Compliance & Equal Opportunity:- Aerospace Dynamics International, Inc. (ADI) is an Equal Opportunity Employer. We comply with all applicable federal, state, and local laws regarding nondiscrimination and accommodation. This includes adherence to ADA and California Fair Employment and Housing Act (FEHA) standards.
This job description is not intended to be an exhaustive list of all duties, responsibilities, or qualifications. Management reserves the right to modify duties as needed.