Senior Engineer, Firmware

Enphase Energy

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Until 10/3/2026 5+ years exp First posted July 28, 2026 Last posted August 4, 2026
Job 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!
 
This role at Enphase requires working onsite 3 days a week, with plans to transition back to a full 5 day in office schedule over time.
About the role  
 
We are seeking an Senior Engineer, Firmware in Embedded Domain for EVChargers and Gateways. You will contribute to design, development, debugging, and optimisation of embedded Linux/RTOS systems. You will work on for ARM-based Embedded Linux platforms ensuring optimal performance, security, and reliability.
 
What you will do
  • Design, develop, and optimise Embedded Linux systems and Docker images for high-performance applications.
  • Develop, modify, and debug Linux kernel, device drivers, and BSPs (CAN, I2C, SPI, UART, USB, etc)
  • Work with bootloaders (U-Boot, GRUB) and optimize secure boot flows.
  • integrate, customise and optimise open-source components, core services, network services
  • Work with Yocto/OpenEmbedded, and customize Linux distributions.
  • Optimize system security, hardening, and cryptographic implementations.
  • Debug and analyze performance issues using JTAG, gdb, valgrind, perf, strace, etc.
  • Collaborate with cross-functional teams (DevOps, cloud, factory) to define and implement technical solutions.
  • Define and document design specifications, APIs, architecture, and technical guides.
     
Who you are and What you bring
  • General: Strong insight and hands on experience on Embedded Linux, open source and Docker
  • Languages: C++, C,  Shell scripting ,Python, GoLang
  • Kernel & BootLoaders Kernel, Device Drivers, BSPs, U-Boot
  • Toolchains & Build Systems: GCC, Clang, LLD, Yocto, Buildroot, CMake, Makefiles, Docker build
  • Debugging & Performance Analysis: gdb, strace, ltrace, perf, valgrind, JTAG
  • Networking: TCP/IP/UDP, HTTPS, Websocket, MQTT, gRPC, ZMQ, CAN, Modbus, UART, USB
  • Security & Cryptography: Secure boot, TPM, TLS, OpenSSL, OPTEE, PKI, Secure coding  guidelines
  • Version Control & CI: Git, GitHub, Bitbucket, Jenkins
  • Strong problem-solving & debugging skills
  • Excellent documentation & communication skills
  • Self-motivated, team player, and leadership experience
  • Passionate about technology, embedded systems and open-source development
About this role

Summary

Design, develop, debug, and optimize embedded Linux firmware for energy products.

Job title

Senior Engineer, Firmware

Experience level

senior level

Minimum experience

5+ years exp

Industry

energy

Location requirements

onsite 3 days/week, transition to full-time in-office allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

C++CShell scriptingPythonLinux kerneldevice driversU-BootGitJTAGDockersecurity

Preferred skills

GoLangYoctoBuildrootNetworkingcryptographyperformance analysis

Specializations

Embedded LinuxARMdevice driverssecurityperformance optimization
Locations

Structured locations inferred from the posting.

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