Hybrid Senior Site Reliability Engineer – VPN Service

Posted 38 minutes ago

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About the role

  • Senior Site Reliability Engineer managing globally distributed VPN and DNS services. Optimizing service performance and handling security posture in a hybrid work environment.

Responsibilities

  • Deploy and manage globally distributed VPN and DNS services
  • Ensure connection quality, stability, and performance across the entire node fleet
  • Collaborate with application teams on client connectivity and protocol behavior
  • Optimize VPN service performance — kernel tuning, flamechart analysis, profiling
  • Manage security posture — firewalls, PKI, certificate lifecycle, hardening
  • Manage authentication and authorization infrastructure
  • Own configuration management and automated provisioning of infrastructure
  • Clear written incident communication and postmortem ownership

Requirements

  • Own critical VPN services end-to-end including architecture, scalability, security and monitoring
  • Deliver OKRs and key commitments within agreed timelines
  • Write RFCs/ADRs for new features, refactors, etc
  • Raises engineering quality through standards and knowledge sharing
  • Balances reliability, security and delivery speed
  • Advanced networking - VPN protocols, tunneling, routing, DNS
  • Linux at depth - kernel internals, tuning, module management
  • Firewall management
  • Performance analysis - flamecharts, profiling, bottleneck identification
  • OSI model fluency - L2 through L7, TCP/IP stack, SSL/TLS
  • Security fundamentals - PKI, certificate management, hardening
  • Authentication and authorization - RADIUS, access control
  • Configuration management and automated deployments
  • Load balancing and failover for distributed services
  • Docker

Benefits

  • Innovate with industry leaders
  • Extensive training programs (online and offline)
  • Mentorship and career-switch opportunities
  • Hybrid work with 3 office days and 2 remote days
  • Work from any location
  • Online workouts led by Physical Well-Being experts
  • Sports and wellness facilities access
  • Free psychologist consultations
  • Premium access to wellness apps like Calm and Headspace
  • Private health insurance
  • Special gifts for birthdays, anniversaries, and major events
  • Iconic celebrations and team-building events
  • Company getaway abroad with exciting activities

Job title

Senior Site Reliability Engineer – VPN Service

Job type

Experience level

Senior

Salary

PLN 23,300 - PLN 34,000 per month

Degree requirement

No Education Requirement

Location requirements

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