Enphase Energy · 4 hours ago
Principal Engineer – Embedded Firmware
Fremont, CA
Full-time
Onsite
Lead/Staff
$160K/yr - $226K/yr
15+ years expEnphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. The role involves developing and optimizing digital signal processing algorithms for narrow band Power Line Communication modems, collaborating with cross-functional teams, and contributing to the advancement of communication technologies.
EnergyRenewable EnergySemiconductorSolar
Responsibilities
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
Qualification
Required
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
Strong understanding of Communication theory, modulation/demodulation techniques, error correction coding, and synchronization methods
Strong understanding of 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
Preferred
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
Benefits
Generous stock
Bonus
Benefits
Company
Enphase Energy
Enphase Energy offers a micro-inverter system that delivers solar energy to homes and businesses.
1001-5000 employees
H1B Sponsorship
Enphase Energy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (20)
2024 (16)
2023 (29)
2022 (21)
2021 (11)
2020 (2)
Funding
Current Stage
Public CompanyTotal Funding
$116.09MKey Investors
Callaghan InnovationKleiner PerkinsBay Partners
2024-08-09Grant· $0.04M
2021-09-08Grant· $0.03M
2020-10-16Grant· $0.02M
Leadership Team
Badri Kothandaraman
President and CEO
Ciaran Fox
VP of Quality and Reliability
Recent News
2025-12-16
2025-12-04
Enphase Energy, Inc.
2025-12-03
Company data provided by crunchbase