Systems Engineer, Hypervisor and Kernel
Workers IO, San Francisco, California +1
- Pay
- $80K–$250K / year
- Work type
- Remote
- Level
- Not stated
- Area
- Inference & ML systems
- Posted
- Sep 11, 2026
About the role
What we are looking for
- Deep experience with hypervisors, virtual machine monitors, or emulators
- Real work inside the Linux kernel: schedulers, timers, interrupts, drivers, or memory management
- Comfort in C and Rust, and comfort reading code you did not write
- A habit of measuring before guessing, and of writing down what you learned
Nice to have
- Contributions to Linux Kernel, KVM, QEMU, Firecracker, or similar
- Experience with record and replay, deterministic execution, or simulation testing
- Time spent running production systems on bare metal
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Listed on Y Combinator's job board; checked 25 h ago. First seen by us 25 h ago. Being listed doesn't mean the team is actively interviewing.