CNC Programmer and Machinist

Now Hiring CNC Programmer and Machinist
Ontario, CA
Pay Rate: $30.00 - $40.00 per hour (Depending on experience)
Shift: Monday - Friday | 6:00 AM - 3:30 PM (Some weekend work may be necessary)

Where Every Cut Counts.

Searching CNC Programmer and Machinist jobs in Ontario? Join a crew that respects skill, rewards precision, and runs on good machines and better people.

What You Bring to the Table as a CNC Programmer and Machinist

• High school diploma or GED required
• 7+ years of multi-axis CNC programming experience (3-5 axis) in aerospace manufacturing
• 5+ years of CNC mill and lathe setup and operation experience
• Strong proficiency with Mastercam and CNC programming tools
• Experience with HAAS, Fanuc, OKK controls (Thermwood and Doosan preferred)
• Strong blueprint reading and GD&T interpretation skills
• Solid understanding of shop math (algebra, geometry, trigonometry)
• Proficient with precision measurement tools (calipers, micrometers, etc.)
• Ability to lift up to 50 lbs and perform physical shop work
• Strong communication skills and team-oriented mindset

Preferred Qualifications

• Experience machining aerospace materials including aluminum, titanium, composites, honeycomb, carbon fiber, plastics, and phenolics
• Experience with surface modeling and CAD/CAM integration
• Fixture design and fabrication experience
• Strong knowledge of 5-axis swarfing and advanced toolpath strategies

Key Responsibilities

• Develop and optimize 3-axis, 4-axis, and 5-axis CNC programs using Mastercam
• Create efficient machining strategies from blueprints, CAD models, and customer specifications
• Build detailed setup sheets, tooling lists, and manufacturing work instructions
• Set up and operate CNC mills and lathes including HAAS, Thermwood, CMS, Multicam, and Doosan (live tooling/sub-spindle)
• Load programs, establish work offsets, and verify tool and reference points
• Perform first article inspections, validate results, and adjust programs as needed
• Troubleshoot machining issues, tooling problems, and process deviations
• Perform preventive maintenance and document machine performance
• Collaborate with shop floor teams to debug and improve CNC programs
• Support RFQ estimates, cost reduction initiatives, and manufacturability improvements
• Ensure compliance with AS9100 quality standards, OSHA regulations, and 5S practices
• Maintain accurate program revisions and configuration control

The Real Deal

• Fair weekly pay - without the runaround.
• Medical, dental, and vision insurance - coverage if you need it.
• Life and disability protection - for the what-ifs.
• Safety always - part of the job, not an afterthought.
• Respect for your time, effort, and skill.
• Optional 401(k) - to plan for later.

"Really good at finding you a site to work at. Recruiters are amazing - they will literally set you up for success." - Steve, Machine Operator, Staffmark

Put your skills on the floor where they matter. Apply now.

Join a Team That Works for You

At Staffmark, we're more than just a staffing company-we're your career partner. As part of RGF Staffing and Recruit Group, an HR powerhouse behind big names like Indeed and Glassdoor, we've got the muscle and the know-how to get you where you want to go.
With more than half a century of experience and a track record of putting hundreds of thousands of people to work every year, we've got your back. Whether you're looking to level up, switch gears, or just get to work fast, we make it happen.
Join us and experience the advantage of working with a trusted name in recruiting-because your success is our success.