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Electrical Engineer – UAV Avionics & Power Systems

LiquidPiston

Suffield, CT

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JOB DETAILS
JOB TYPE
Full-time
SKILLS
Aerospace and Defense, Aviation Industry, Avionics, Communications Protocols, Computer Firmware, Computer Science, Control Systems, Debugging Skills, Electrical Design, Electrical Engineering, Electricity, Electromechanical Systems, Electronic Design, Electronics, Embedded Software, Embedded Systems, Hardware-Software Integration, I2C, MATLAB, Printed Circuit Board Design, Propulsion, Reliability Engineering, Risk, Software Design, Startup, System Architecture, System Integration (SI), Systems Engineering, Telemetry, Universal Asynchronous Receiver-Transmitter (UART), Wheel/Front-End Loader
LOCATION
Suffield, CT
POSTED
30+ days ago
LiquidPiston
This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026.
About Us
LiquidPiston is revolutionizing propulsion with our ultra-efficient, compact rotary X-Engine platform. Our engines deliver unmatched power density and fuel efficiency, making them ideal for next-generation aerospace applications including UAVs, eVTOL, hybrid-electric propulsion, and advanced defense systems. As we rapidly scale our aerospace-focused programs, we are building a world-class team to deliver flight-ready propulsion solutions.
Role Overview
The Electrical Engineer – UAV Avionics & Power Systems will own the design, development, and integration of all electrical and electronic systems for LiquidPiston-powered aerial platforms. This hands-on role combines power electronics, avionics integration, embedded controls, and aerospace-grade reliability engineering. You will work side-by-side with propulsion, airframe, and flight-control teams to deliver certifiable, high-performance electrical architectures that enable longer endurance, heavier payloads, and mission-critical reliability.
Key Responsibilities
  • Design and integrate engine control units (ECUs), power distribution, and avionics
  • Interfaces for hybrid-electric and conventional UAV propulsion systems
  • Design and develop the electronic control system architecture for of UAV propulsion and flight control systems
  • Integrate and configure flight controllers and engine control units with onboard avionics, sensors, and communication modules
  • Develop and implement embedded software/firmware for control, safety, and telemetry functions
  • Apply systems engineering principles to ensure seamless integration of electronics, software, and mechanical components
  • Support testing, debugging, and validation of integrated electromechanical UAV systems
  • Collaborate with internal teams and external partners to meet system-level performance and reliability goals
  • Document system design, software and hardware interfaces, and integration processes
Qualifications
  • Master’s degree in Electrical Engineering, Computer Science/ Engineering, or a related field related field
  • Must be a US person
  • 5+ years of experience in aerospace electrical/electronics design (UAV, eVTOL, general aviation, or defense programs strongly preferred)
  • Proven track record designing flight-critical or safety-critical electronics (redundancy, voting, dissimilar systems a plus)
  • Expertise with electromechanical systems, sensors, communication protocols (CAN, UART, SPI, MAVLink, I2C), and PCB design
  • Familiarity with model-based design tools (MATLAB/Simulink Embedded Coder) and HIL testing a strong plus
  • Demonstrated ability to take electronics from concept through flight-test and into production or certification
  • Self-starter who thrives in a fast-moving, resource-constrained environment typical of aerospace startups
Benefits & Perks
  • Flexible PTO: We value work-life balance and encourage time to rest and recharge.
  • Health & Wellness: Comprehensive medical, dental, and vision coverage—you choose what works best for you.
  • Equity Participation: Permanent employees receive RSUs (Restricted Stock Units).
  • 401(k) Match: We offer a 401k w/100% matching up to 3% of your salary and then 50% of contributions between 3-5%
  • Career Growth: Ongoing training, mentorship, and learning opportunities to accelerate your growth.
Our Culture
At LiquidPiston, we embrace challenges, move fast, and celebrate curiosity. Our team thrives on collaboration, creativity, and perseverance. We understand that innovation involves risk—and we’re not afraid to fail as we move forward.
Equal Opportunity Employer
LiquidPiston, Inc. is proud to be an Equal Opportunity Employer. Qualified applicants will not be discriminated against, and receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, or protected veteran status or disability.
All offers of employment at LiquidPiston are contingent upon successful completion of a pre-employment background check and drug screening.

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LiquidPiston