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Open nowFirst seen 6 days ago

Senior 5-Axis CNC Programmer

ESRhealthcare and EXEC STAFF RECRUITERS1,405 open roles

Pay
$40 – $60 an hour
Where
El Segundo, California, United States
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Your applicationOpen nowSenior 5-Axis CNC ProgrammerESRhealthcare and EXEC STAFF RECRUITERS · El Segundo, California, United States

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.7%14 days
  5. 35.6%30 days
  6. 58.0%60 days
This job: first seen 6 days ago

The posting

Senior 5-Axis CNC Programmer to join thei Manufacturing Team. In this role, you will be machining complex, flight-critical components with extreme precision—contributing directly to spacecraft that will leave Earth and return with life-changing materials manufactured in microgravity.

This is a hands-on, high-impact role in a non-production, prototype-driven environment where you will work with cutting-edge equipment, collaborate directly with engineers, and operate with full ownership of your machining processes. Youll be surrounded by industry veterans in a culture that values humility, speed, and craftsmanship.

Work Environment

Autonomy and ownership. Responsible for print-to-part. Independent projects.

One-off prototyping work. You rarely work on the same part twice.

New 5-axis CNC machines. Premium tooling.

Generous tooling and inspection budget. No need for personal tools.

Single shift. No one else touches your machine.

Clear aerospace environment. Pristine floors.

Onsite in El Segundo, CA.

40-45 hours per week (over-time available with approvals).

Flexible hours and generous benefits.

Key Responsibilities

Precision Machining

Machine complex aerospace components on 5-axis mills (Haas UMC1000 etc.) to tolerances of ±0.0005 in.

Execute the full print-to-part workflow with full autonomy, including CAM programming, custom fixturing, setup, machine operation, and inspection.

Machine exotic materials such as PEEK, Inconel, stainless steel, and carbon composite materials.

Design and execute custom fixturing and work-holding solutions for prototype parts.

CAM Programming & Optimization

Program CAM toolpaths using software such as Mastercam, HSMworks.

Incorporate probing strategies and macros to reduce setup time and increase accuracy.

Continuously refine feeds, speeds, and tooling strategies to minimize cycle times while maintaining aerospace-grade quality.

Process Ownership & Engineering Collaboration

Take end-to-end ownership of machining processes, including raw material selection, programming, setup, machining, inspection, and documentation.

Collaborate with engineering teams to provide Design for Manufacturability (DFM) feedback.

Develop and standardize best practices to improve shop efficiency and knowledge sharing.

Basic Qualifications

5+ years of experience programming and operating 5-axis vertical machining centers (e.g., Haas UMC-1000/750, DMG MORI DMU, or similar) producing tight-tolerance aerospace or flight-critical components.

Proficiency in Mastercam for 3+2 and full simultaneous 5-axis toolpaths, including simulation and verification.

Deep understanding of G-code/M-code and advanced CNC program editing.

Experience machining exotic materials and applying GD&T principles.

Hands-on experience with precision inspection tools.

U.S. citizenship or lawful permanent residency (ITAR compliance).

Preferred Skills and Experience

10+ years of CNC machining experience, primarily in 5-axis milling environments.

5+ years of Mastercam experience, including post customization and optimization.

Skilled in custom workholding and fixture design, including modular dovetail, vacuum, and Lang-style clamping systems for small-lot prototype work.

Demonstrated mentorship or leadership within a high-precision machining environment.

Familiarity with CNC lathes, mill-turn, or live-tooling equipment — nice to have but not required.

Pay Range

Pay range: $40.00 – $60.00+ per hour

Leveling and base salary is determined by job-related skills, education level, experience level, and job performance

You will be eligible for long-term incentives in the form

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