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ITDS Polska Sp. z o.o.

Senior Network Infrastructure Engineer – Cisco & Wireless Expertise

ITDS Polska Sp. z o.o. Show all offers
B2B
Hybrid
Senior
Lisbon, abroad
Expires Oct 25, 2026
29 days ago

In short

Senior Network Engineer role requiring 6+ years of experience in Cisco network infrastructure, including Nexus/NX-OS, Wi-Fi, and NAC solutions. Responsibilities include network maintenance, troubleshooting, and leading transformation initiatives. Offers flexible hours, medical package, and Pluralsight access.

Keywords

Cisco Nexus NX-OS IOS-XE Cisco Wi-Fi NAC 802.1X RADIUS ISE Cisco Catalyst Center network automation

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About the project

This is how we organize our work

This is how we work

Your responsibilities

  • Monitor and maintain the network estate, promptly responding to alerts and troubleshooting issues across wired, wireless, access, and core networks.
  • Support NAC and authentication-related issues, ensuring seamless connectivity and security.
  • Participate in scheduled change windows and implement ad hoc fixes to optimize network performance.
  • Maintain comprehensive documentation, runbooks, and improve monitoring and observability tools.
  • Lead infrastructure transformation initiatives, including replacing legacy Cisco switches with Cisco Nexus/NX-OS and upgrading Wi-Fi environments with Cisco wireless platforms.
  • Implement Network Access Control (NAC) solutions, including 802.1X, RADIUS, and ISE, ensuring secure network access.
  • Deploy Cisco Catalyst Center (formerly DNA Center) as the primary network management platform, enhancing automation and configuration management.
  • Act as the senior technical lead, ensuring changes are planned, executed safely, and operational stability maintained.

Our requirements

  • Minimum 6 years of experience in network engineering or related fields.
  • Hands-on expertise with Cisco Nexus/NX-OS and IOS/IOS-XE administration.
  • Proven experience with switch upgrades, replacements, and Cisco Wi-Fi implementation.
  • Familiarity with NAC solutions like 802.1X, RADIUS, and ISE.
  • Strong understanding of change management disciplines and operational support.
  • Willingness to learn and adaptability to evolving network technologies.
  • Experience with monitoring, observability, and automation tools.

Optional

  • Cisco Catalyst Center (formerly DNA Center) certification or experience.
  • Previous involvement in infrastructure transformation projects.

What we offer

  • Stable and long-term cooperation with very good conditions
  • Enhance your skills and develop your expertise in the financial industry
  • Work on the most strategic projects available in the market
  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
  • Participate in Social Events, training, and work in an international environment
  • Access to attractive Medical Package
  • Access to Multisport Program
  • Access to Pluralsight
  • Flexible hours

This is how we work on a project

Benefits

#GETREADY to meet with us!

ITDS’s Whistleblower Procedure
Published 2026-09-25
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