Embedded Software Designer - Platform Software

Zhone Technologies

1d•Hybrid

About The Position

As a member of a dynamic development team, the Embedded Software Designer (Platform Software) will be actively involved in designing and developing embedded software for next generation Optical Transport products. In this role, the successful candidate will report to the Sr. Manager, Software Development.

Requirements

A bachelor’s degree in Electrical Engineering or Computer Science
5+ years of experience designing and developing embedded software
Excellent knowledge of the C programming language
In-depth knowledge of the Linux operating system, down to (and including) the Linux kernel
Good knowledge of the Bash shell scripting language

Nice To Haves

Experience with U-Boot
Experience with Buildroot and Busybox
Experience with the Xilinx UltraScale+ SoC and/or other ARM based SoC
Advanced network configuration in Linux (netfilter, VLAN (802.1q), Bridge)
Experience with bare metal applications and/or early boot firmware
Knowledge of the Python programming language

Responsibilities

Linux From Scratch (LFS) system maintenance
Upgrade the Linux kernel to newer versions and port custom out-of-tree patches
Backport upstream patches to the Linux kernel as needed to support the existing user space
Maintain existing Linux kernel drivers and add new features as needed
Upgrade Buildroot to newer versions and port custom patches
Maintain existing system start-up shell scripts and add new features as needed
Integrate 3rd party vendor libraries into the LFS system
Work with FPGA designers to add SW support for new features and debug existing features
New board bring-up support
Configure/build/rebuild early boot firmware as needed
Customize the U-Boot and Linux kernel configuration as needed
Create/adapt Device Tree configurations as needed
Support the HW team in running low-level commands in U-Boot and Linux, and loading experimental SW builds
Support the HW team in debugging hardware issues closely related to low-level software
Toolchain support (based on crosstool-ng)
Maintain existing toolchains and upgrade to newer versions as needed
Add new toolchains (for new platforms) as needed