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Wardstone (YC F25) · 2 days ago

Electrical Engineer - Avionics

Los Angeles, CA

Full-time

Onsite

Mid, Senior Level

Wardstone is a pioneering company focused on developing high-reliability electronics for interceptor prototypes and VLEO satellites. The Electrical Engineer will lead the design and development of PCBs, power systems, and sensor integration, while collaborating closely with the team to ensure flight-ready hardware.

AerospaceMilitaryNational Security

No H1B

U.S. Citizen Only

Responsibilities

Design, simulate, and develop PCBs for sensing, actuation, power, and avionics

Own schematic capture, layout, DFM, component selection, and vendor interaction

Develop high-reliability power systems (DC–DC, battery systems, protection circuits, transient management)

Integrate IR cameras, Radar, IMUs, GNSS, rad-hard components, and electromechanical actuators

Develop signal-conditioning circuits, sensor fusion interfaces, and low-latency sensing+actuation to enable the autopilot to control the vehicle

Perform thermal, vibration, and shock analysis for >100km altitude environments

Support hardware qualification: TVAC, vibe, EMI/EMC, and high-G ground testing

Collaborate closely with embedded software engineers on microcontroller architectures, drivers, and electrical-firmware interfaces

Bring-up, debug, test, and iterate hardware in the lab using scopes, logic analyzers, DAQs, etc

Write requirements, test plans, and documentation

Take hardware from concept → prototype → test → flight-ready

Rapid debugging and converging on functional+performant solutions

Qualification

PCB design toolsPower systems designSensor integrationCircuit analysisEmbedded firmwarePrototyping experienceTest equipment proficiencyHigh-G design knowledgeAerospace backgroundSoft skills

Required

B.S. or M.S. in Electrical Engineering, Computer Engineering, or related field

Strong experience with PCB design tools (KiCad, Altium, or similar)

Hands-on prototyping experience: soldering, rework, bring-up, rapid iteration

Experience integrating sensors, mixed-signal electronics, or power systems

Comfort with oscilloscopes, logic analyzers, protocol analyzers, and test equipment

Strong fundamentals in circuit analysis, signal integrity, noise, grounding, and EMI/EMC

Ability to own hardware end-to-end: design, build, test, debug, iterate

US CITIZENSHIP REQUIRED

Preferred

Experience with IR cameras, high-speed digital buses, or RF systems

Background in aerospace, defense, robotics, autonomous systems, automotive, or satellites

Knowledge of high-G design, radiation effects, or space-environment electronics

Embedded firmware experience (C/C++, STM32/Teensy/PIC/ESP32, RTOS)

Familiarity with power systems, motor drives, or actuator control

Experience with MIL-STD-461, DO-160, or NASA/ESA flight hardware standards

Company

Wardstone (YC F25)

Wardstone is a space defense-tech company developing next-generation capabilities to protect the United States and its allies from missiles and other space-based threats.

Founded in 2025