Sr. Embedded Software Engineer

Lynx

About The Position

Working under our professional services division. This allows opportunities to work on a vast array of differing technologies, including Lynx’s key products, many additional customer requirements, and open source software. Collaborate with the customer and internal teams to always enhance the overall project experience. Developing technical proposals to help customers make technical decisions. Working closely with the team to ensure the project deadlines are met and risks/issues are proactively identified and communicated to the customer. Ensure high quality of our deliverables. Contribute to the overall product design to help customers through various aspects of their product lifecycle. Be an embedded expert (kernel, CPU-architecture, general device-drivers, performance optimization, user-space) in the customer engineering team and enable customers in doing their embedded SW development. Be the system-SW generalist and take-up any technical challenge and resolve it through the right solution. Proactively notify Sales team of potential change order and drive it to completion as required on per-project basis. Perform additional job duties as assigned.

Requirements

Experience with memory managed high performance ARM Cortex-A or X86 architectures and SoCs (NXP, Freescale, Intel, AMD, Xilinx, Altera, …).
Experience with the Linux kernel itself or the kernel of any other operating system with strictly isolated kernel and user spaces.
Proven success with root-cause investigation of bugs related to operating systems, hypervisors, or hardware-level drivers.
Proficiency in the C programming language
Proficiency with Git at a command line level
Ability to track and work on multiple projects simultaneously while meeting schedules.
Demonstrated experience of leading software projects while providing technical inputs to unblock supporting teams.
Keen sense of urgency and drive for results.
Ability to work independently with minimal oversight.
Over and above, a deep commitment to your own quality work and a strong desire to help the entire team to succeed.
Must be a US citizen or US person.
New driver development.
◦ Must be able to read electrical schematics well enough to understand pin configuration procedures and digital logic levels.
◦ Must be able to read integrated circuit data sheets and understand register configuration procedures.
◦ Must understand interrupts and how to appropriately use them to our advantage
◦ Must understand when and how to appropriately use DMA to our advantage
◦ This can be Linux kernel module development or any other operating system as described above
Operating System core kernel development experience
◦ Must have experience with scheduling and timing-related mechanisms and issues in any of the OS kernels as described above
◦ Must have extensive understanding with context switching, preemption, interrupts, timers, and locking mechanisms.
◦ Must have knowledge of Unix-style file-system data structures (inodes, …)
◦ Must have knowledge of page tables and memory management.
◦ Must have cursory knowledge of assembly level bootstrapping in either ARM or X86 instruction sets.
Hypervisor development experience
◦ Must have knowledge and experience with multi-level page table memory management.
◦ Must have experience with instruction trapping and secure monitoring mechanisms on ARM or X86.
◦ Must have experience with virtualized device development.
◦ Must have cursory knowledge of assembly level bootstrapping in either ARM or X86 instruction sets.

Nice To Haves

Proven experience building and shipping embedded systems through their entire development lifecycle, using either Linux or one of the other operating systems as described above.
Good breadth of technical knowledge (Linux applications, open source software, embedded security, toolchains, ...).
Yocto/OpenEmbedded, Buildroot, or other Linux build systems
Familiarity with security features such as verified boot and trusted execution environments.
Experience with U-Boot, UEFI, or other bootloaders.
Scripting and automation experience with Python, bash or similar languages is a strong plus.
Experience working with open source communities to fix bugs and/or add features is a plus.
Experience migrating drivers from one version of the Linux kernel to another is a plus.

Responsibilities

Collaborate with the customer and internal teams to always enhance the overall project experience.
Developing technical proposals to help customers make technical decisions.
Working closely with the team to ensure the project deadlines are met and risks/issues are proactively identified and communicated to the customer.
Ensure high quality of our deliverables.
Contribute to the overall product design to help customers through various aspects of their product lifecycle.
Be an embedded expert (kernel, CPU-architecture, general device-drivers, performance optimization, user-space) in the customer engineering team and enable customers in doing their embedded SW development.
Be the system-SW generalist and take-up any technical challenge and resolve it through the right solution.
Proactively notify Sales team of potential change order and drive it to completion as required on per-project basis.
Perform additional job duties as assigned.