CNC Machinist - Aerospace Manufacturing

Boom is developing the Symphony supersonic engine, which powers the Overture supersonic airliner and the Superpower natural gas turbine for AI. Overture will fly at twice the speed of today's subsonic jets over water and 50% faster over land with Boomless Cruise.

Standing up a new machine shop from scratch isn't about business as usual—it's about building the backbone of how we design, cut, and deliver hardware at supersonic speed. At Boom, we're bringing CNC programming capability in-house so we can iterate faster, verify programs in process, and adapt on the fly.

You'll be programming complex aerospace parts, testing your work on the floor, and shaping the standards for how Boom machines everything from prototypes to production hardware.

Develop CNC programs for 5-axis mills, mill-turn, and multi-spindle equipment.

Validate and optimize programs directly at the machine, ensuring tight feedback between virtual programming and real-world cutting.

Partner with machinists, NC programmers, and engineers to translate design intent into efficient, high-precision toolpaths.

Mentor less experienced programmers and machinists, sharing best practices and developing team capability.

Expert in CNC programming for 5-axis milling and mill-turn machines.

Hands-on experience with ESPRIT EDGE, hyperMILL, MasterCAM, NX, or CATIA

Deep understanding of machining fundamentals—feeds, speeds, chip control, tooling, fixturing, and material behavior.

Experience programming tight-tolerance aerospace or other high-performance parts.

Collaborative and curious—comfortable working shoulder-to-shoulder with machinists and engineers.

Excels in a high-energy, independent, and challenging work environment.

Experience machining aerospace materials such as titanium, Inconel, and nickel superalloys.

Background with Mazak machines, virtual machine model verification, and post processor tuning.

Exposure to both prototype and production machining environments.

Startup or greenfield manufacturing experience—helping stand up processes and infrastructure from day one.

Actual salaries will vary based on factors including but not limited to location, experience, and performance. Other rewards may include long term incentives/equity, a flexible PTO policy, and many other progressive benefits.

Applications will be accepted on an ongoing basis until the search is no longer active.

Government aerospace technology export regulations (ITAR and EAR), applicant must be a U.S. citizen, lawful permanent resident of the U.Boom is an equal opportunity employer and we value diversity.