Manufacturing Engineer, Materials Manufacturing

Castelion Corporation•Torrance, CA

8d•Onsite

About The Position

Castelion is seeking a hands-on Manufacturing Engineer to support and scale materials manufacturing processes used within our Ceramic Matrix Composite (CMC) production system. This role will work closely with Materials Engineering to translate material and process requirements into reliable, repeatable manufacturing methods, and with Equipment Engineering to develop the production systems needed to execute those processes at scale. The Manufacturing Engineer will own the production implementation of the process, including manufacturing methods, process controls, production readiness, technician training, troubleshooting, and continuous improvement. This role will serve as the bridge between material process development and day-to-day manufacturing execution. The ideal candidate is comfortable working across engineering disciplines and on the production floor, with a strong bias toward turning developing processes into robust manufacturing systems.

Requirements

Bachelor's degree in Manufacturing, Mechanical, Materials, Aerospace Engineering, or a related technical discipline.
3+ years of manufacturing or process engineering experience.
Experience developing, improving, or scaling manufacturing processes.
Hands-on experience with manufacturing equipment and production troubleshooting.
Ability to translate technical requirements into practical manufacturing processes.
Strong mechanical aptitude and cross-functional communication skills.

Nice To Haves

Experience with composites, ceramics, CMCs, carbon/carbon, or other advanced materials manufacturing.
Experience transitioning processes from development into production.
Experience supporting custom manufacturing equipment development, commissioning, or qualification.
Familiarity with industrial controls, sensors, automation, and manufacturing data acquisition.
Experience with process capability, DOE, SPC, or other manufacturing process improvement methods.
Aerospace, defense, semiconductor, or other high-reliability manufacturing experience.

Responsibilities

Own the manufacturing implementation and scale-up of materials manufacturing processes supporting CMC production.
Partner with Materials Engineering to translate material and process requirements into repeatable manufacturing methods.
Work with Equipment Engineering to define equipment requirements and support design reviews, commissioning, and production readiness.
Develop manufacturing work instructions, process controls, production documentation, and technician training.
Troubleshoot production issues and drive improvements in process capability, yield, throughput, and equipment utilization.
Develop production flow, cycle time, capacity, and staffing requirements to support increasing production rates.
Support process validation, root cause investigations, and implementation of corrective actions.
Work hands-on with technicians and engineers to continuously improve manufacturing operations.

Benefits

Employee Equity: Meaningful equity for all full-time employees - share value has increased 150x in three years
Personal Time Off: Four (4) weeks of paid time off to unplug, reset, and come back sharp—velocity matters, burnout doesn't
Company Paid Holidays: Ten (10) company paid holidays
Medical: We offer plans at 100% employee covered and 80% of dependent coverage
Dental & Vision: We cover 90% employees and 80% for dependents to ensure you and your family have access to quality preventive and ongoing care
FSA/HSA: To support long-term health and financial resilience, we offer FSA and HSA options that allow employees to set aside pre-tax dollars for eligible medical and dependent care expenses
Retirement: 401k plan offered to support long term financial growth along side high-impact, high-velocity work
Paid Parental Leave: We support growing families with meaningful time to bond and recover. Birthing parents are eligible for up to 10 weeks of paid leave, while non-birthing parents may take up to 4 weeks of paid leave. This time can be used for pre-natal care, pregnancy, childbirth, and related medical needs—ensuring every parent has the support they need during this important life moment.8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees
Meals & Catering: Frequently catered lunches and team meals, plus company-covered meals when extra time or effort is required
Snacks & Beverages: Fully stocked kitchen with unlimited snacks and drinks to keep you fueled throughout the day
Performance & Fitness: $100 monthly fitness stipend to support peak performance and health, both inside and outside of work
EV Charging: Onsite electric vehicle charging available for employees