CNC Machinist/Programmer
Quick Summary
CNC Machinist/Programmer needed to design and machine precision subsea geothermal power plant components in advanced alloys.
Skills & Keywords
Key Responsibilities
- Create CNC programs in CAM systems such as Mastercam (or similar) for milling, turning, and mill-turn work
- Machine precision parts in Titanium, Inconel, and other nickel-based alloys to aerospace-type tolerances
- Select work holding, tool holding, cutting tools, and machining strategies
- Set up and operate CNC machines, including 5-axis milling and/or mill-turn machines
- Prove out new programs and refine feeds, speeds, and strategies to improve cycle time and tool life
- Read and interpret engineering drawings, GD&T, and machining documentation
- Perform in-process and final inspection of machined parts using precision measurement tools
- Identify and resolve fit-up, tolerance, and machinability issues in real time
- Drive clean, organized, and repeatable machining processes on the floor
- Document setups, programs, and issues for engineering and QA traceability
- Support rapid prototyping and iteration under tight timelines
- Collaborate with design and integration engineers to improve part manufacturability
- Maintain a safe working environment, machines, and tooling
Required Qualifications
- 5+ years of hands-on experience in CNC programming and machining
- Extensive experience creating CNC programs in CAM systems like Mastercam, or similar
- Extensive experience machining Titanium, Inconel, and other nickel-based alloys
- Strong experience in 5-axis milling and/or mill-turn programming and machining (expertise in one area is acceptable; strength in both is ideal)
- Proven ability to select work holding, tool holding, cutting tools, and machining strategies independently
- Ability to read and interpret engineering drawings and GD&T
- Strong mechanical intuition and ability to troubleshoot machining issues quickly
- High attention to detail and craftsmanship in machining work
- Track record of working effectively in fast-paced, prototype-driven environments
- High ownership mindset and ability to operate independently with minimal supervision
- Strong communication skills and ability to work closely with engineers
- Strong experience in both 5-axis milling and mill-turn programming and machining
- Experience developing feeds, speeds, and tooling libraries for difficult-to-machine alloys
- Background in high-pressure, high-temperature, or thermal systems hardware
- Experience in marine, subsea, aerospace, or energy hardware environments
- CMM or advanced metrology experience
- Light fabrication and manual machining experience (lathe, mill, drill press)
- Experience supporting test operations and building custom fixtures or tooling
- Ability to contribute to fixture design and work-holding tooling
Compensation & Benefits
Total rewards package
As a pre-revenue startup, Endurance Energy offers competitive base salaries and generous equity packages for full-time employees. Final base salary will be determined by an array of factors including internal equity, job-related knowledge, skills, and work experience.
A key aspect of our compensation philosophy is that value creation should be aligned with rewards. Right now this means equity is a significant portion of every full-time employee's compensation. As the company matures, there will be continued evolution and changes to the total rewards and total compensation package. What will always be true is that if we win, we win together. Equity is granted to every full-time employee as a meaningful piece of ownership. We believe the people building the company should share directly in the value they create.
In addition to a competitive base salary and equity, employees will receive all of our other great benefits and perks, including:
Benefits included
About Endurance
Endurance is building the world's first modular subsea geothermal power plants, converting vast thermal resources under the ocean into gigawatts of baseload power. Backed by Founders Fund, Felicis, First Round Capital, and Point72 Ventures, our founding team includes veterans from SpaceX, Helion, Blue Origin, and Apple. We have completed multiple deep-ocean deployments to subsea volcanoes and are launching a long-term demonstration project this fall. By leveraging modular design, manufacturing scale, efficient drilling, and latent cooling on the seafloor, we are pioneering a new category of energy that outperforms traditional sources on environmental impact, deployment speed, and cost.
What you'll be doing
As a CNC Machinist/Programmer at Endurance Energy, you will work alongside mechanical and electrical engineers to program and machine precision parts that make up our subsea geothermal power generators.
You will be responsible for taking parts from released models/drawings to finished hardware, writing CNC programs in CAM systems like Mastercam and running them on the floor. You will machine components in Titanium, Inconel, and other nickel-based alloys to tight tolerances, and you will have full control over work holding, tool holding, cutting tool selection, and machining strategy for every part.
You are expected to operate with high ownership on the floor: proving out programs and pushing parts to finished quality without waiting for direction.
This is a critical position where your speed, precision, and judgment directly impact our ability to hit hardware milestones on aggressive timelines.
endurance-energy
About endurance-energy
Endurance is building modular subsea geothermal power plants that convert thermal resources under the ocean into baseload power.
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