Principal Engineer – Embedded Firmware
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Job Location:
Fremont, CA - USA
Monthly Salary:
Not Disclosed
Posted on:
10-11-2025
Vacancies:
1 Vacancy
Department:
Job Summary
Description
Enphase Energy is a global energy technology company and a leading provider of solar battery and electric vehicle charging products. Founded in 2006 our innovative microinverter technology revolutionized solar power making it a safer more reliable and scalable energy source. Today the Enphase Energy System enables users to make use save and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world with more than 80 million products shipped across 160 countries.
Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!
About the role
Enphase is looking for an experienced FW development Engineer to work on our proprietary Power Line Communication (PLC) technology this role you will develop and optimize digital signal processing (DSP) algorithms and software for narrow band Power Line Communication (PLC) modems. Your expertise will contribute to the advancement of communication technologies and enable efficient and reliable data transmission over power line networks. This position offers an exciting opportunity to work on cutting-edge projects collaborate with cross-functional teams and shape the future of PLC modem technology.
What you will do
What you will do
- Design develop and optimize digital signal processing algorithms for narrow band PLC modems for reliable data communication over power line networks.
- Collaborate with cross-functional teams including hardware engineers system architects and firmware developers to define system requirements and specifications for narrow-band PLC modem development.
- Optimize DSP algorithms for noise mitigation channel equalization error correction modulation/demodulation synchronization and adaptive filtering to maximize data throughput and reliability.
- Analyze and optimize the performance of the MAC layer including throughput latency and reliability to meet the requirements of specific applications and standards.
- Identify and address issues related to interference noise multipath propagation and other impairments affecting PLC communications.
- Document your work to facilitate knowledge sharing and maintain accurate project records.
- Support system integration efforts troubleshoot hardware-software interactions and provide technical assistance during the product development lifecycle.
Who you are and what you bring
- Bachelors or an advanced degree in Electrical Engineering Computer Engineering Computer Science or a related field
- 15 years of experience in a similar job function
- Strong understanding of
- Digital signal processing theory algorithms and implementation techniques.
- Communication theory modulation/demodulation techniques error correction coding and synchronization methods.
- DSP processors digital filters fast Fourier transforms (FFT) and adaptive filtering techniques.
- Extensive experience with modems and communications standards.
- Strong background and working experience developing wired and/or wireless protocol stacks (examples: 6LoWPAN BLE MoCA DOCSIS 802.11 etc) through the various stages of design implementation and product deployment.
- Ability to implement a MAC layer software design from a protocol specification document.
- Ability to assess and efficiently modify existing software architecture and protocol stacks to implement new MAC features.
- Proficiency in programming languages such as C C
- Experience with embedded software/firmware development including cost- sensitive resource-constrained hardware environments.
- Strong written and oral communication and teamwork skills are required.
Nice to have attributes
- Experience with narrow band Power Line Communication (PLC) modem concepts protocols and standards (e.g. G3-PLC PRIME IEEE P1901.x) is advantageous.
- Experience of working on pre-silicon platforms such as FPGAs
- Environments tools and methodologies used for ASIC modeling and simulation
The base pay range for this position is 160000Kto 226000K. This salary range may be modified in the future. The successful candidates starting pay will be determined based on relevant skills experience education or training work location and market conditions. This position is also eligible for generous stock bonus and benefits.
Required Experience:
Staff IC
Key Skills
- Abinitio
- Energy Management
- Integration
- Asset
- Capital Market
- E-Commerce
About Company
Enphase is a global energy management technology company that provides residential and commercial solar plus storage solutions. We manufacture solutions spanning solar generation, energy storage, and web-based monitoring and control.
