Senior Avionics Systems Engineer — Lead Flight Electronics

Castelion Corporation; Torrance (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Equity

Paid time off

Company holidays

Health benefits

Parental leave

Fitness stipend

EV charging

Catered meals

Stocked kitchen

Company meals during peak

Job summary

Castelion Corporation is seeking a Senior Avionics Systems Engineer to define and deliver the avionics architecture for long-range hypersonic strike vehicles. The role oversees power, control electronics, communications, sensors, embedded computing, and flight software to create a cohesive flight system.

You will lead hands-on integration, testing, and validation from concept to flight test. The candidate will mentor engineers, work across multidisciplinary teams, and drive system-level design

Qualifications

• Bachelor's, Master's, or PhD in Electrical Engineering or related field.
• 8+ years of avionics or high-reliability embedded systems experience.
• Strong background in architecture, power distribution, and interfaces.
• Experience with flight software integration and testing.
• Familiar with SPI, I2C, UART, CAN, Ethernet, LVDS, etc.

Responsibilities

• Define and maintain the avionics system architecture for flight vehicles, including power distribution, communications, grounding, interfaces, and system integration.
• Lead the integration of avionics subsystems, including flight computers, sensors, power electronics, control electronics, RF systems, flight termination systems, and propulsion electronics.
• Develop system-level requirements, interface definitions, wiring architectures, and integration documentation.
• Work closely with electrical, mechanical, software, GNC, propulsion, and manufacturing teams to ensure seamless integration of vehicle subsystems.
• Lead system-level hardware integration, bring-up, debugging, and troubleshooting during development and flight vehicle assembly.
• Define electrical design standards, component selection guidelines, and best practices for high-reliability flight electronics.
• Support design reviews and make system-level technical trades to optimize performance, reliability, manufacturability, and testability.
• Develop and execute integration, qualification, and flight test plans, translating results into system-level improvements.
• Mentor electrical engineers across multiple disciplines and contribute to best practices in avionics system architecture and integration.
• Partner closely with program leadership to make technical trades aligned with mission success.

Skills

Avionics architecture

Embedded hardware

PCB design

Systems engineering

EMI/EMC knowledge

Troubleshooting

Software integration

Leadership

Education

Bachelor's in Electrical Engineering

Master's in Electrical Engineering

Tools

Altium Designer

ECAD tools

Lab equipment

Job description

Castelion Corporation is seeking a Senior Avionics Systems Engineer to define and deliver the avionics architecture for long-range hypersonic strike vehicles. The role oversees power, control electronics, communications, sensors, embedded computing, and flight software to create a cohesive flight system.

You will lead hands-on integration, testing, and validation from concept to flight test. The candidate will mentor engineers, work across multidisciplinary teams, and drive system-level design