Intimate knowledge of Linux with a solid understanding of the kernel, kernel patches, kernel modules, static and dynamic libraries, root file system layout, and available features and functionality in many OSS packages. The ability to write and debug Linux device drivers with knowledge about mutexs, ISRs, user space versus kernel space drivers, mmap and other driver concepts. Familiar with bootloaders (uboot) with the ability to do initial board bring up. Prior experience with writing and debugging drivers for PCIe, I2C, SPI, UART. Familiar with CPU architectures, like ARM Proficient in C, C++, and Bash Familiar with testing and debugging software through unit test, GDB, and JTAG BDMs. Fundamental understanding of SCM, Packaging, and Build Systems like Makefiles, Git, Autotools, RPM, etc. Experience in one or more of the following: Buildroot, Yocto Linux Distro, Grub, ONIE, ZMQ, distributed messaging frameworks, TCP/IP, SDKs from Broadcom. Experience of having gone through full cycle of Software development multiple times across product lines and supporting multiple concurrent releases and HW targets.
