Linux Hacker & Nix Wizard (Senior / Expert)

Virtuslab Ltd.; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

Virtuslab Ltd. is seeking a Senior/Expert Linux Hacker & Nix Wizard to join a growth-driven team in the United States. The role targets deep Linux internals knowledge, memory management, IPC, and system calls, with expert Python capabilities and strong NixOS experience.

English fluency is required, plus ownership, analytical rigor, and strong problem-solving instincts. Ideal candidates will be comfortable with low-level kernel diagnostics and reproducible builds, and will thrive in autonomous,

Qualifications

• Deep, hacker-level understanding of Linux internals, memory management, IPC, and system calls.
• Expert-level mastery of Python (performance optimization, async execution, C/Rust interop).
• Hands-on expertise with Nix / NixOS or declarative system configuration & reproducible builds.

Skills

Linux proficiency

Python programming

English communication

Self-driven

System architecture

Problem solving

Tools

Nix/NixOS

Linux kernel internals tools (eBPF, perf, strace, valgrind)

Job description

We are #VLteam - tech enthusiasts constantly striving for growth. The team is our foundation, that's why we care the most about the friendly atmosphere, a lot of self-development opportunities and good working conditions (yes, that also means attractive salaries). Trust and autonomy are two essential qualities that drive our performance. We simply believe in the idea of measuring outcomes, not hours. Join us & see for yourself! Requirements Linux Hacker & Nix Wizard Details: Linux Hacker & Nix Wizard (Senior / Expert) Required skills: Linux Core or Low-Level Linux Kernel Internals - Advanced Nix - Advanced / Regular Python Programming- Expert English Communication: C1 - Advanced System Architecture & Automation - Advanced Self-driven & Problem Solving - Advanced Desired professional profile & core competencies: Deep, hacker-level understanding of Linux internals, memory management, IPC, and system calls. Expert-level mastery of Python (performance optimisation, async execution, C/Rust interop). Hands-on expertise with Nix / NixOS or strong mastery of declarative system configuration & reproducible builds. Advanced experience with low-level kernel diagnostics and profiling (eBPF, perf, strace, valgrind). Fluent command of spoken and written English. Uncompromising ownership, analytical rigour, and a natural instinct for deep technical problem-solving. Originally posted on Himalayas

Requirements

• Linux Hacker & Nix Wizard
• Linux Hacker & Nix Wizard (Senior / Expert)
• Linux Core or Low-Level Linux Kernel Internals - Advanced Nix - Advanced / Regular Python Programming- Expert English Communication: C1 - Advanced System Architecture & Automation - Advanced Self-driven & Problem Solving - Advanced Desired professional profile & core competencies: Deep, hacker-level understanding of Linux internals, memory management, IPC, and system calls.
• Expert-level mastery of Python (performance optimisation, async execution, C/Rust interop).
• Hands-on expertise with Nix / NixOS or strong mastery of declarative system configuration & reproducible builds.
• Advanced experience with low-level kernel diagnostics and profiling (eBPF, perf, strace, valgrind).
• Fluent command of spoken and written English.
• Uncompromising ownership, analytical rigour, and a natural instinct for deep technical problem-solving.