Senior Power Electronic Engineer

Full-time

LiquidPiston

Senior Power Electronics Engineer - LiquidPiston
This role is fully onsite in Bloomfield, CT, five days per week. The company will be relocating to Suffield, CT later in 2026.
About LiquidPiston
LiquidPiston is revolutionizing combustion engine technology through the development of advanced rotary engines and integrated hybrid power systems. Our innovative designs aim to dramatically improve efficiency, reduce size and weight, and enable cleaner, more compact power solutions across defense, aerospace, and commercial sectors.
Position Overview
This role is ideal for someone who enjoys owning hardware from concept through production. While power electronics is a major part of the job, this is not a narrowly scoped “design one converter for a year” role. The right candidate is excited by the broader challenge of building reliable, high-performance products in a small-company environment where priorities evolve quickly and engineers wear multiple hats.
Key Responsibilities
Design, simulate, prototype, debug, and improve power electronics hardware for advanced engine and generator systems
Develop and support converters, inverters, motor drives, power distribution systems, battery interfaces, and related hardware
Perform hands-on hardware bring-up, troubleshooting, validation, rework, and root-cause analysis of electrical and thermal failures
Address real-world hardware challenges including EMI/EMC issues, component failures, manufacturability concerns, and reliability improvements
Work closely with electrical, mechanical, embedded controls, and test engineers to develop fully integrated products
Oversee external vendors and contractors, including reviewing designs, identifying issues, and resolving integration or quality problems
Execute rapid prototype development, bench testing, and in-house troubleshooting to support development timelines
Contribute to related electrical engineering efforts beyond core PE, including engine controls, genset controls, instrumentation, wiring, and general EE tasks
Support iterative product development and continuous improvement activities throughout the product lifecycle
Operate effectively in a fast-paced small-company environment where priorities may shift and engineers are expected to take broad ownership
Required Qualifications
BS or MS in Electrical Engineering or related field
Strong hands-on experience designing and developing power electronics hardware
Experience with converters, inverters, motor drives, high-current/high-voltage systems, or related power electronics applications
Practical experience with hardware debugging, lab testing, prototype integration, and failure analysis
Strong understanding of real-world electrical engineering tradeoffs including thermal management, PCB layout, EMI/EMC, reliability, and manufacturability
Experience working with external vendors, contract manufacturers, or third-party design firms
Comfortable performing hands-on lab work including soldering, rework, instrumentation, and troubleshooting
Ability to work across disciplines and contribute to broader electrical and system-level engineering challenges
Adaptable, self-motivated, and comfortable working in a highly collaborative small-team environment
Strong problem-solving skills and a demonstrated ability to drive hardware issues to resolution quickly and effectively
Passion for building and improving real-world hardware products
Preferred Qualifications
Experience with weight- and efficiency-critical designs (e.g., aerospace, defense, UAVs).
Background in hybrid power systems, gensets, and MIL-STD compliant systems (e.g., AMMPS).
Knowledge of CANBUS/MODBUS communication protocols.
Hands-on experience with PCB layout and design tools such as Altium or OrCAD.
Firmware development experience (C/C++ preferred).
Project management skills with experience coordinating across teams and with external stakeholders.
Benefits & Perks
PTO: We value work–life balance and encourage time to rest and recharge.
Health & Wellness: Comprehensive medical and voluntary dental, and vision coverage - you choose what works best for you.
Equity Participation: Employes may 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% after 1 year of employment.
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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Vacancy posted a month ago

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