Senior Control Electronics Engineer
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Summary
Designs and validates real-time electronic control systems — thrust vector control (TVC) and attitude control system (ACS) driver hardware — for Castelion's long-range hypersonic strike vehicles. Day to day is hands-on analog/mixed-signal circuit design, motor/valve driver electronics, lab bring-up, integration, and testing with multidisciplinary teams.
Castelion was founded to restore America’s ability to field advanced weapons at speed and scale. Inspired by the engineering urgency of the WWII and Apollo eras, we combine rapid iteration, vertical integration, and scalable manufacturing to deliver affordable, high-performance strike systems. Our mission: rebuild industrial agility to strengthen national security and outpace evolving threats.
About the Role:
We are seeking a Senior Control Electronics Engineer to design and deliver real-time electronic control systems for Castelion's long-range hypersonic strike vehicles. This role is critical to enabling precise actuation and vehicle control through robust, high-performance electronics. You will work hands-on with multidisciplinary engineering teams to design, build, test, and validate control electronics hardware, with a focus on thrust vector control (TVC) systems and attitude control system (ACS) drivers in a fast-paced, hardware-driven environment.
Requirements
- Bachelor's, Master's, or PhD in Electrical Engineering or related field
- 5+ years of experience designing and validating control electronics for aerospace, defense, or other high-reliability systems
- Strong background in real-time control systems, actuator electronics, and feedback control implementation in hardware
- Experience designing motor drivers, valve drivers, or similar high-performance actuator control electronics
- Proficiency in analog and mixed-signal circuit design, simulation, and analysis (e.g., SPICE, MATLAB/Simulink, or equivalent)
- Experience with hardware bring-up, integration, and troubleshooting in a lab or flight hardware environment
- Familiarity with EMI/EMC design practices, ruggedized electronics, and operation in high-vibration/high-temperature environments
- Strong problem-solving mindset, thriving in a fast-paced, hardware-rich, high flight cadence environment
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