We're looking for a Senior CNC Machinist to own parts from model to finished, inspected hardware as we build a rocket engine factory from the ground up.

Reporting to the Head of Manufacturing, you'll program, set up, and run multi-axis mills and lathes to deliver tight-tolerance, high-value flight and ground hardware, and help define how our machine shop operates. You'll work directly with design and manufacturing engineers to shape designs before release and provide early and ongoing design-for-manufacturability (DFM) feedback that reduces cost, shortens production time, and improves manufacturability. This role is ideal for someone who takes ownership of hardware delivery, troubleshoots independently, and gives clear, actionable technical feedback.

This is a full-time, on-site role in Kent, Washington, within Production Engineering.

Create, edit, and optimize CNC programs in Siemens NX CAM for 3-, 4-, and 5-axis milling and multi-tasking turning.

Read, interpret, and hand-edit G-code at the control; build and apply probing, setup, and tool-compensation macros (e.g., Renishaw).

Select cutting tools, toolpaths, and speeds and feeds to balance cycle time, tool life, and surface finish across aerospace alloys.

Set up, prove out, and operate CNC mills and lathes, plus manual machines and EDM as needed, from raw stock, castings, and weldments.

Plan jobs cradle-to-grave: machine and material selection, operation sequence, workholding, and outside processing (heat treat, plating, coating, grinding).

Design and build fixtures, jigs, and soft jaws; coordinate tooling needs and support new equipment installation and commissioning.

Handle quick-turn, first-run prototype work and recurring production, troubleshooting independently when things go sideways.

Inspect in-process and finished parts with precision gauges and height gauges; report as-built dimensions and nonconformances.

Interpret engineering models, drawings, and specifications, applying GD&T per ASME Y14.5.

Senior CNC Machinist

Responsibilities

Qualification

Required

Preferred

Benefits

Company

Cowboyspace

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