Staff Software Engineer - Linux Kernel

📋 Description

• Set technical direction for kernel projects, own them end to end from problem statement to fleet
• Take new servers, CPUs and NICs from first boot to full fleet: drivers, IRQ affinity, RSS and queue
• Improve datapath and transport performance with XDP, eBPF and protocol work based on IETF
• Debug problems that cross layers with application teams, such as MTU behavior, cgroup memory
• Develop and maintain kernel changes and Fastly kernel modules on our long term kernel line, and
• Make sure state pushed from control planes to eBPF and XDP programs is applied, verified and safe

🎯 Requirements

• 7+ years of related engineering experience, including substantial production C, with 3 of those
• Production Linux kernel development, including debugging use-after-free, refcount and leak bugs
• Working knowledge of the scheduler and memory management (EEVDF, memcg)
• Experience managing a kernel patch stack and working with upstream communities
• Solid understanding of the Linux network stack (TCP/IP, sk_buff lifecycle, qdiscs, NIC drivers) and
• Operational discipline: staged rollouts, canaries, kill switches, observability, postmortems and

🎁 Benefits

• Medical, dental, and vision insurance
• Family planning
• Mental health support along with Employee Assistance Program
• Insurance (Life, Disability, and Accident)
• Flexible Vacation policy
• Up to 18 days of accrued paid sick leave