RivCut
Senior CNC Machinist
This is a full-time, on-site position for a Senior CNC Machinist. The Senior Machinist will lead complex setups, precision machining operations, and process optimization across our CNC equipment — including Akira Seiki, Haas, and similar platforms. You’ll be responsible for setting up, operating, and mentoring junior machinists, ensuring all parts meet tight tolerances and quality requirements. This role requires a hands‑on leader who takes initiative, understands efficient workflow, and can communicate effectively with engineering and programming teams. Key Responsibilities
Perform complex CNC setups and run production on milling and turning machines. Interpret blueprints, 3D CAD files, and GD&T drawings for precision machining. Edit and adjust G‑code and M‑code to optimize performance and quality. Train, guide, and support junior machinists on setup, tooling, and inspection. Inspect workpieces using precision tools (micrometers, calipers, bore gauges, etc.). Recommend process improvements for tooling, fixtures, and cycle time reduction. Collaborate with engineering/programming to refine machining strategies. Maintain a safe, clean, and efficient work area. Qualifications
5+ years CNC machining experience, including setups and operation. Deep knowledge of milling and turning (multi‑axis or Swiss experience a plus). Familiarity with Akira Seiki, Haas, or similar machine controls. Proficiency in G‑code editing; Mastercam experience preferred. Strong understanding of tooling, workholding, feeds/speeds, and materials. Ability to mentor and teach junior team members. Strong attention to detail, problem‑solving, and organizational skills. Experience in aerospace, medical device, robotics, or automotive industries preferred. Technical certification or associate degree in machining/manufacturing is a plus. Location: Union City, CA | Salary: $140,000.00–$170,000.00
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This is a full-time, on-site position for a Senior CNC Machinist. The Senior Machinist will lead complex setups, precision machining operations, and process optimization across our CNC equipment — including Akira Seiki, Haas, and similar platforms. You’ll be responsible for setting up, operating, and mentoring junior machinists, ensuring all parts meet tight tolerances and quality requirements. This role requires a hands‑on leader who takes initiative, understands efficient workflow, and can communicate effectively with engineering and programming teams. Key Responsibilities
Perform complex CNC setups and run production on milling and turning machines. Interpret blueprints, 3D CAD files, and GD&T drawings for precision machining. Edit and adjust G‑code and M‑code to optimize performance and quality. Train, guide, and support junior machinists on setup, tooling, and inspection. Inspect workpieces using precision tools (micrometers, calipers, bore gauges, etc.). Recommend process improvements for tooling, fixtures, and cycle time reduction. Collaborate with engineering/programming to refine machining strategies. Maintain a safe, clean, and efficient work area. Qualifications
5+ years CNC machining experience, including setups and operation. Deep knowledge of milling and turning (multi‑axis or Swiss experience a plus). Familiarity with Akira Seiki, Haas, or similar machine controls. Proficiency in G‑code editing; Mastercam experience preferred. Strong understanding of tooling, workholding, feeds/speeds, and materials. Ability to mentor and teach junior team members. Strong attention to detail, problem‑solving, and organizational skills. Experience in aerospace, medical device, robotics, or automotive industries preferred. Technical certification or associate degree in machining/manufacturing is a plus. Location: Union City, CA | Salary: $140,000.00–$170,000.00
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