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September 8, 2026

Senior Network Engineer

Senior • On-site

Warsaw, Poland

We are looking for an experienced Senior Network Engineer.

Responsibilities

  • Manage, maintain, and continuously optimize the global network infrastructure (LAN, WAN, SD-WAN, Wireless, VPN).
  • Design, configure, and secure core network components, including routers, switches, firewalls, and network access controls.
  • Lead and support complex network migrations, infrastructure upgrades, and lifecycle replacement initiatives.
  • Drive advanced troubleshooting, resolve high-severity incidents, and conduct in-depth Root Cause Analysis (RCA).
  • Monitor network capacity, availability, and resilience, defining and implementing operational improvements.
  • Ensure all configurations and services comply with strict security standards, operational procedures, and technical documentation.
  • Act as an escalation point, mentor less experienced engineers, and coordinate with key vendors and service providers.

Skills Required

  • Proven track record in enterprise-grade network design, deployment, and operational management.
  • Strong hands-on expertise with Cisco and Cato Networks solutions; certifications in these technologies are required.
  • Deep technical knowledge of routing, switching, firewalls, SD-WAN, network security, and high-availability concepts.
  • Demonstrated experience with complex incident response, problem management, and lifecycle engineering.
  • Forward-thinking approach with an understanding of emerging AI developments and automation in the network domain.
  • Strategic mindset with the ability to maintain a “helicopter view” while staying focused on the end-user experience.
  • Excellent communication and stakeholder-management skills, comfortable working in a global, cross-functional environment.

Our Offer

  • Stable employment based on a standard employment contract.
  • Competitive salary.
  • Hybrid work model (3 days per week on-site in the office).

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