Network Architect
Employer · Cognizant
Network engineerCybersecurity specialistSystem administratorFull-timeBudapest
Administer enterprise network infrastructure and connectivity services, ensuring secure, resilient, compliant, and high-performing network operations across LAN, WAN, WLAN, VPN, NAC, and network security components.
Tasks
- Operate and support enterprise LAN, WAN, WLAN, VPN, internet connectivity, and network service infrastructure.
- Configure, administer, and troubleshoot Cisco routing, switching, wireless, and network access control environments.
- Manage Cisco ISE, 802.1X authentication, NAC policies, device onboarding, certificate-based access, MAB, and TACACS+ services.
- Administer DNS, DHCP, IP Address Management (IPAM), NTP, and core network services.
- Support network security technologies including firewalls, VPN gateways, web security appliances, and network segmentation.
- Monitor network availability, latency, capacity, utilisation, performance, and service health using enterprise monitoring platforms.
- Execute network configuration changes, standard service requests, firmware upgrades, patching, and lifecycle activities through approved change processes.
- Troubleshoot routing, switching, wireless, authentication, firewall, VPN, and performance-related incidents across enterprise environments.
- Support implementation and operation of Cisco DNA Center, network automation, software-defined networking, and infrastructure management platforms where applicable.
- Collaborate with security, server, cloud, and endpoint teams to ensure integrated service delivery and incident resolution.
- Automate operational tasks using scripting and network automation tools where authorised.
- Maintain network diagrams, SOPs, knowledge articles, operational runbooks, audit evidence, and configuration standards.
- Handle incidents, requests, changes, problem records, compliance activities, and documentation through ITSM platforms.
Requirements
- Cisco Routing and Switching
- LAN, WAN, WLAN and VPN Technologies
- Cisco ISE, 802.1X and NAC
- Cisco DNA Center
- DNS, DHCP, IPAM and Core Network Services
- Firewall and Network Security Technologies
- Network Monitoring and Performance Management
- ServiceNow ITSM and ITIL Processes
- PowerShell, Python or Network Automation Tools
- Cisco CCNA Enterprise
- Cisco CCNP Enterprise (preferred)
- Cisco Certified Specialist - Enterprise Network Infrastructure
- ITIL Foundation
- Network Security Certification (preferred)