Senior CNC Programmer / Machinist

RemX | The Workforce Experts; Hawthorne (CA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Company-paid health insurance

Dental coverage

Vision coverage

Healthcare FSA

Dependent care FSA

Life insurance

401(k) with match

Paid time off

Paid holidays

Overtime opportunities

Job summary

RemX | The Workforce Experts in Hawthorne, CA is seeking a Senior CNC Programmer/Machinist to lead new product introduction and support complex precision machining projects.

The role focuses on developing robust multi-axis CAM programs, fixture design, first-article validation, and process optimization under AS9100 quality standards, collaborating with engineers and shop floor teams to take parts from print to production.

Qualifications

• 5+ years CNC milling in a precision manufacturing environment.
• 3+ years programming multi-axis CNC machining operations.
• Proficiency with CAD/CAM software such as Mastercam, GibbsCAM, or similar.
• Ability to read and interpret complex engineering drawings and apply GD&T.

Responsibilities

• Create, optimize, and verify CNC programs for complex 3- to 5-axis components.
• Perform complex machine setups, establish work offsets, and select tooling.
• Lead first-article prove-outs and process validation activities.
• Design and build custom fixtures, soft jaws, and workholding solutions.
• Mentor junior machinists and provide guidance on tooling, speeds, feeds, and machining best practices.

Skills

CNC milling

Multi-axis programming

CAD/CAM Mastercam

GibbsCAM

GD&T

AS9100/ISO9001 knowledge

Aerospace/defense environment

Education

High school diploma or GED

Tools

Mastercam

GibbsCAM

Job description

Direct Hire Opportunity | 1st Shift | Monday-Friday | 7:00 AM - 5:00 PM

Position Summary

Our client is seeking a highly skilled Senior CNC Programmer / Machinist to lead new product introduction efforts and support complex machining projects within a precision manufacturing environment. In this role, you will be responsible for developing robust multi-axis CAM programs, designing custom workholding, setting up first-article runs, and proving out processes for critical defense programs under strict AS9100 quality standards. This role is ideal for an experienced professional who enjoys taking a part from print to production, including programming, setup, process development, fixture design, and first-article validation.

Key Responsibilities

CNC Programming & Process Development

• Create, optimize, and verify CNC programs for complex 3-axis, 4-axis, and 5-axis machined components using CAD/CAM software such as Mastercam, GibbsCAM, or similar platforms.
• Develop efficient machining strategies that maximize quality, tool life, and machine productivity.
• Troubleshoot and refine processes to reduce cycle times and improve overall manufacturing performance.

Machine Setup & First Article Development

• Perform complex machine setups, establish work offsets, and select appropriate tooling for new jobs.
• Lead first-article prove-outs and process validation activities.
• Support multi-axis milling operations and ensure stable, repeatable production processes prior to release to manufacturing.

Fixture Design & Workholding

• Design and build custom fixtures, soft jaws, and workholding solutions to improve machining accuracy and efficiency.
• Evaluate and implement process improvements that increase throughput while maintaining tight tolerances.

Quality & Inspection

• Perform First Article Inspections (FAI) and validate dimensional requirements using precision measuring equipment, including:
• Micrometers
• Calipers
• CMMs (Coordinate Measuring Machines)
• Ensure compliance with customer specifications, engineering drawings, GD&T requirements, and quality standards.

Documentation & Technical Support

• Develop setup sheets, tooling lists, and work instructions to support production handoff.
• Collaborate with machinists, manufacturing personnel, and quality teams to ensure successful production launches.
• Mentor junior machinists and provide guidance on tooling, speeds, feeds, and machining best practices.

Qualifications

• Minimum 5 years of CNC milling experience in a precision manufacturing environment.
• At least 3 years of experience programming and setting up complex multi-axis CNC machining operations.
• Strong experience with 3-axis, 4-axis, and 5-axis milling.
• Proficiency with CAD/CAM software such as Mastercam, GibbsCAM, or similar.
• Ability to read and interpret complex engineering drawings and apply GD&T principles.
• Knowledge of AS9100, ISO 9001, or similar quality management systems preferred.
• Experience supporting aerospace, defense, medical device, semiconductor, or other high-precision manufacturing environments preferred.
• High school diploma or GED required.
• Competitive compensation
• Consistent overtime opportunities
• Company-paid medical, dental, and vision insurance
• Healthcare FSA and dependent care FSA
• Company-paid life insurance
• 401(k) with company match
• Paid time off and paid holidays