Renewable Energy, Environmental Services, Energy Consulting

Sr. CNC Machinist / Programmer

El Segundo, CAOnsiteFull TimeSenior$47–$47 /hrPosted 2 days agoVisa sponsorship available

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Required skills

CNC
machinist
programmer
turbomachinery
3d printed
nickel-based materials
tight tolerance machining
set up
run 3d printed parts
precision set-ups

Nice to have

stand
kneel
move for extended periods
repetitive movements
bending
twisting

Role summary

Seeking a Senior CNC Machinist/Programmer for a turbomachinery development company in El Segundo, CA. This role involves manufacturing cutting-edge designs using 3D printed nickel-based materials, requiring expertise in tight tolerance machining and setup/operation of 5-axis CNC machines. Responsibilities include programming with Mastercam, ensuring machine uptime, performing preventative maintenance, quality control using CMM arms and calibrated devices, and maintaining shop organization (5S). The ideal candidate will have 10+ years of experience, strong blueprint reading skills (GD&T), and mechanical aptitude.

About Us

At Arbor Energy & Resources Corporation ("Arbor Energy"), we’re creating technology to power our lives while protecting the planet that sustains them. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today’s energy demand. At the core is a supercritical CO₂ turbine with integrated carbon capture, designed to bring carbon-neutral power online quickly at meaningful scale.

Our team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal: to build technology worthy of the world we want to live in. While many of us began our journeys looking to the stars, we’re applying that expertise here at home to deliver dependable, emission-free baseload power and a future of lasting abundance.

If you share our values and are drawn to rigorous work with lasting impact, we’d love to learn more about you. Come build what the future will run on.

Steward our planet: We build for tomorrow, ensuring every bolt we tighten and every hand we lend leaves our environment stronger than we found it.

Lead with Love: We champion the success of our people, partners, and planet, nurturing excellence through camaraderie and rigor.

Explore the Uncharted: We embrace the unknown with curiosity, using courage and discipline to transform uncertainty into opportunity.

Role Overview

We are seeking a Senoir CNC Machinist with the abilities to manufacture cutting edge designs for our turbomachinery development. Our 3d printed nickel-based materials allow us to push the boundaries of turbomachinery to its upper limits. Arbors machine shop in El Segundo consists of a Bridgeport, machine lathe, and a Haas Vf3 with 5 axis capabilities. We will soon be expanding to another full 5 axis machine. The Ideal candidate is someone with experience in tight tolerance machining and the ability to set up and run 3d printed parts.

This is an onsite opportunity in our El Segundo, CA office.

Responsibilities

Perform precision set-ups of various CNC and manual machines on state-of-the-art assets

Ability to program using Mastercam

Prioritize daily work to ensure high machine uptime across the shop.

Experience with a CMM arm

Manage cutting tools in CNC machines to ensure that machines have the needed cutting tools loaded and measured before they are called in upcoming programs

Operate clean line equipment, laser part marking, and general part finishing requirements

Operate and effectively use calibrated devices to ensure hardware leaving the machine shop is conforming and meets print requirements

Perform CNC machine preventative maintenance on a weekly and monthly basis

Maintain the shop in terms of chip bins, oils, greases, 5S and general upkeep activities

Remain flexible in a fast-paced, ever-changing environment and support teammates however possible

Complete work instructions and test plans to document needed data throughout each process

Requirements

10+ years of experience operating CNC machinery

Demonstrated ability to interpret drawings, GD&T.

Experience in shop math, tooling technology, blueprint reading and measurement of parts

Strong mechanical aptitude

Strong interpersonal skills including, but not limited to, contributing to a team-oriented environment, balancing team and individual responsibilities

Demonstrated ability using Mills: 5th axis

Preferred Qualifications

This role requires the ability to perform the essential functions listed below, with or without reasonable accommodation:

Ability to lift up to 25 lbs unassisted

Ability to stand, kneel, and move for extended periods

Ability to perform repetitive movements, including bending, twisting, and using hands to handle or control tools and equipment

Comfortable working in environments with varying noise levels

Willing to travel for short trips as needed, up to 20% travel

Benefits & Compensation

Pre-IPO stock options

Medical, dental, and vision insurance (Arbor covers 90% for employees)

Basic life insurance fully covered

Health savings account (HSA) with matching

Flexible savings account (FSA)

Unlimited PTO

12+ company holidays, including Earth Day!

401(k)

Commuter benefits

Annual learning and development stipend

And more!

Base Pay: $47.00 USD/hour. The base pay is subject to the applicant's skills, qualifications, experience, and geographic location.

Our Commitment

Arbor Energy is proud to be an equal opportunity employer. We evaluate qualified applicants without regard to race, religion, national origin, gender identity or expression, sexual orientation, age, marital or veteran status, disability, or any other protected characteristic under applicable law. Solving global energy challenges requires a wide range of perspectives and experiences, and we are committed to building a team that reflects the world we serve.

Our hiring process is designed to be accessible, fair, and focused on the work that matters most for this role. Reasonable accommodations are available throughout the hiring process and employment—please let us know if you need one.

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