Electrical and Firmware Engineer

LiquidPistonBloomfield, CT

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Job Description

Firmware EngineerLocation: Onsite in Bloomfield, CTAbout LiquidPistonLiquidPiston is developing advanced rotary engines and power systems that redefine what’s possible in compact, efficient energy generation. We are seeking a hands-on, innovative Electrical & Firmware Engineer who is excited to work in a fast-paced R&D environment and contribute to the development of next-generation engine control systems.Position SummaryThe Electrical & Firmware Engineer will be responsible for end-to-end development of embedded control systems supporting LiquidPiston’s advanced engine platforms. The ideal candidate is a strong C programmer with deep experience on TI C2000 microcontrollers, capable of designing, implementing, and validating both hardware and firmware components. This role involves multidisciplinary collaboration and requires a self-driven engineer comfortable working individually and in small teams.Key Responsibilities

Develop, implement, and optimize embedded firmware primarily in C for TI C2000 Series microcontrollers.
Design and maintain control system architectures, including discrete and analog I/O, signal conditioning, PWM generation, and closed-loop PID control.
Create custom display and user interface solutions for character and graphical screens.
Implement and troubleshoot communication protocols including CANbus, SPI, I2C, and RS-232.
Support design and testing of power electronics control systems, including exposure to four-quadrant motor control and space vector modulation.
Design, prototype, and debug analog and digital circuits; support PCB design using tools such as Altium or OrCAD.
Conduct hands-on testing using oscilloscopes, multimeters, power supplies, and other lab equipment.
Document firmware, test results, and system architectures clearly and thoroughly; prepare presentations as needed.
Collaborate with mechanical, electrical, and test engineers on engine, ECU, and control system development.
Support continuous improvement, rapid prototyping, and integration of new technologies into control platforms.

Required Qualifications

Bachelor’s degree in Electrical Engineering, Computer Engineering, or related field.
Strong proficiency in C programming and embedded firmware development.
Hands-on experience with TI C2000 microcontrollers.
Familiarity with discrete and analog I/O systems, signal conditioning, PWM, and closed-loop control.
Working knowledge of CANbus, SPI, I2C, and RS-232 protocols.
Strong analog and digital circuit design and troubleshooting skills.
Proficiency with common lab/test equipment (oscilloscopes, multimeters, power supplies).
Excellent verbal and written communication skills, including ability to clearly document and present technical work.
Proficiency with MS Office.

Benefits:

Flexible PTO to encourage work-life balance and personal well-being
Comprehensive healthcare coverage: medical, dental, and vision plans
Equity participation: RSUs for all permanent employees
401(k) with match: 100% up to 3%, plus 50% match for 3–5% range
Growth opportunities: Mentorship, training, and leadership development

Our CultureAt LiquidPiston, we challenge convention and solve hard problems. We move fast, think boldly, and iterate quickly. Our team thrives on collaboration, creativity, and resilience. We take calculated risks and believe that every setback is a steppingstone toward breakthrough innovation.Equal Opportunity EmployerLiquidPiston, Inc. is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment regardless of race, color, religion, gender, sexual orientation, gender identity, national origin, or veteran status, and will not be discriminated against on the basis of disability.All offers of employment at LiquidPiston are contingent upon the successful completion of a pre-employment background check and drug screening.

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