
Senior Linux Systems Engineer (Nix)
VirtusLab
Kraków, Pl-06, Poland • 16m ago • Remote
Senior
Remote
140 - 185 PLN/yr
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Quick Facts
Role: Senior/Expert Linux Hacker & Nix Wizard
Description
You will support and modernize large-scale enterprise infrastructure and data platforms, focusing on end-to-end infrastructure operations, automation, and data pipeline integrations.
The work includes mapping, tracing, and securing graph database connections (GraphDB) while maintaining strong security hardening, monitoring, and proactive alerting.
Responsibilities span cross-language pipeline automation across Python and Java stacks.
Responsibilities
Maintain and modernize core infrastructure and data platforms
Drive automation and integration of data pipelines
Map and trace graph database interconnections across enterprise systems
Harden GraphDB instances to meet strict enterprise security standards
Establish tracing, monitoring, and alerting across system boundaries
Optimize cross-language (Python/Java) data processing pipelines
Support high-scale, always-available delivery for a large developer ecosystem
Requirements
Deep, hacker-level understanding of Linux internals, memory management, IPC, and system calls
Expert-level Python (performance optimization, async execution, C/Rust interop)
Hands-on experience with Nix/NixOS or strong mastery of declarative system configuration and reproducible builds
Advanced experience with kernel diagnostics and profiling (eBPF, perf, strace, valgrind)
Fluent command of English (spoken and written)
Strong ownership, analytical rigor, and deep technical problem-solving instinct
Benefits
Flexible hybrid work model
Home office reimbursement
Language lessons
MyBenefit points
Private healthcare
Training package and in-house training (Virtusity)
Opportunity to build a tech community
And more
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