7h ago
Senior Site Reliability Engineer - VPN Service
Vilnius
$69.6k-$88.8k / year
full-timesenior HybridCybersecurity
🛠 Tech Stack
💼 About This Role
You'll own a globally distributed VPN infrastructure serving millions of users, deploying and managing VPN nodes worldwide. Your core impact is ensuring every client connection is fast, stable, and secure while collaborating with application teams for smooth end-to-end connectivity. You'll drive reliability and performance through kernel tuning, flamechart analysis, and incident ownership.
🎯 What You'll Do
- Deploy and manage globally distributed VPN and DNS services
- Ensure connection quality, stability, and performance across the node fleet
- Collaborate with application teams on client connectivity and protocol behavior
- Own configuration management and automated provisioning of infrastructure
📋 Requirements
- Advanced networking - VPN protocols, tunneling, routing, DNS
- Linux at depth - kernel internals, tuning, module management
- Performance analysis - flamecharts, profiling, bottleneck identification
- Security fundamentals - PKI, certificate management, hardening
✨ Nice to Have
- Python programming
- C, Rust, or Go for lower-level service work
- Observability knowledge for VPN services
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