Manufacturing Engineer, Chamber and Nozzle… at SpaceX · Hawthorne

Summary: SpaceX is a company focused on enabling human life on Mars through innovative technologies. They are seeking a manufacturing engineer with expertise in CNC machining to develop the Raptor engine's combustion chamber and nozzle, ensuring high-quality production and rapid iteration of these critical components. Responsibilities: - Develop, deploy and iteratively improve CNC machining processes for Raptor combustion chambers and nozzles, including multi-axis milling, turning, and precision finishing of regenerative cooling channels - Develop and optimize CNC programs, tool paths, and machining strategies for complex components using advanced CAM software and offline programming - Implement closed-loop CNC process control with real-time monitoring of cutting forces, vibration, spindle load, temperature, and tool wear to maintain tight tolerances and prevent defects - Integrate in-process metrology (touch probing, laser scanning, on-machine measurement) for adaptive CNC machining and automated quality verification within the same setup - Build data pipelines that capture high-resolution CNC telemetry and feed statistical process control, predictive analytics, and machine learning models to minimize scrap and optimize parameters - Design custom fixtures, workholding, and pallet systems that support high-precision CNC machining of large, thin-walled hardware while reducing setup time - Own CNC software infrastructure including post-processors, macros, simulation, and digital twin integration, with version control and rigorous testing - Collaborate with propulsion design, materials, and production teams to rapidly translate new chamber/nozzle designs into robust, repeatable CNC processes - Drive continuous improvement initiatives to reduce cycle times, increase first-pass yield, and scale CNC capacity for high-rate Starship production Required Qualifications: - Bachelor's degree in an engineering discipline - 1+ years of hands-on experience with CNC machining and programming for metallic components - Must be able stand for long durations (8 hours minimum) and work directly with hardware on the floor - Must be comfortable stooping, bending, and standing - Must be willing to work extended hours and weekends as needed - 10% travel in support of launch and test of hardware - Flexibility in working hours to production and launch cadence Preferred Qualifications: - Strong programming skills in Python and proficiency with CAM software, G-code, and CNC controllers - Demonstrated success deploying multi-axis CNC processes and in-process metrology in production environments - Ability to thrive in a fast-paced, high-ownership environment with aggressive schedules - Ability to work well in an integrated and collaborative team environment including daily interactions with technicians, engineers, and managers - Direct experience CNC machining rocket engine chambers, nozzles, or regeneratively cooled hardware - Expertise in 5-axis CNC milling, high-speed machining, and precision finishing of high-performance alloys - Experience with CAM software, digital twins, post-processor development, and integrating CNC machines into production lines - Familiarity with metrology and non-destructive evaluation tied to machined features (CMM, structured light, ultrasonic) - Knowledge of statistical process control, GD&T, and data-driven methods for CNC quality prediction - Expertise in design for manufacturability (DFM) with demonstrable success at taking products through development, testing, and production - Highly self-motivated with strong organizational and written/oral communication skills – able to prioritize and execute tasks in a high-pressure environment with the ongoing drive for continuous improvement in all aspects of work Required Skills: CNC machining, CNC programming, Multi-axis CNC milling, Turning, Precision finishing, Regenerative cooling channels machining, CAM software, G-code, CNC controllers, In-process metrology, Touch probing, Laser scanning, On-machine measurement, Data pipelines, Statistical process control, Predictive analytics, Machine learning models, Fixture design, Workholding design, Pallet systems design, Post-processor development, Digital twin integration, GD&T, Design for manufacturability Benefits: Long-term incentives, in the form of company stock, stock options, or long-term cash awards, Potential discretionary bonuses, Ability to purchase additional stock at a discount through an Employee Stock Purchase Plan, Comprehensive medical, vision, and dental coverage, 401(k) retirement plan, Short and long-term disability insurance, Life insurance, Paid parental leave, Various other discounts and perks, 3 weeks of paid vacation, 10 or more paid holidays per year, Paid sick leave pursuant to Company policy