Sasha Levin
Distinguished Engineer at NVIDIA
Cambridge, Massachusetts, United States
Summary
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RockstarSasha Levin is a Distinguished Engineer with 15 years of deep systems and kernel engineering experience, currently at NVIDIA after leading efforts to align Google’s production kernel with upstream as a Senior Staff Engineer. He’s a longtime Linux kernel maintainer and hacker with ownership of Stable/LTS trees and the Hyper-V subsystem during his tenure at Microsoft, and contributions spanning core areas like signal handling, tracing, Infiniband, and synchronization primitives. Sasha combines production-scale infrastructure experience from Google and Oracle’s Ksplice team with entrepreneurial roots as a CTO/founder, giving him both operational rigor and product intuition. An active open-source contributor, his kernel fixes and refactors (e.g., replacing spinlocks with mutexes, hardening against invalid memory writes) show a focus on robustness and long-term maintainability. Based in Cambridge, MA, he brings a pragmatic, security-minded approach to low-level systems that few engineers can match.
15 years of coding experience
16 years of employment as a software developer
Github Skills (16)
c1710
kernel-module10
system-programming10
c1110
linux-kernel10
python10
qemu10
operating-system10
networking9
performance-optimization9
debug9
debugging9
system-administration8
sys7
embedded7
Programming languages (4)
Github contributions (5)
cloudius-systems/osv
Sep 2013 - Sep 2013
OSv, a new operating system for the cloud.
Role in this project:
Backend Developer
Backend DeveloperContributions:7 commits in 3 days
Contributions summary:Sasha primarily contributed to the `run.py` script, which seems to be related to launching and managing the OSv operating system. Their work involved modifying the QEMU arguments for networking, port redirection, and daemonization. They also addressed a typo and adjusted the percpu memory allocation in the `loader.ld` file. The user's contributions aimed at improving the system's functionality and usability within the context of running OSv in QEMU.
operating-systemoperatinglinuxosv
rockchip-linux/kernel
Jan 2016 - Jan 2016
BSP kernel source
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 commit in 1 day
Contributions summary:Sasha primarily contributes to the Linux kernel, focusing on system-level programming and optimization. Their work includes bug fixes, such as preventing writes to invalid memory and avoiding random wakeups. They also refactor code, such as replacing spinlocks with mutexes and removing unnecessary arguments. Moreover, the user's contributions span diverse areas like Infiniband, tracing, and signal handling within the kernel.
kernelkernel-sourcelinuxlinux-kernelbsp
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