Senior Network Operations Engineer – Enterprise Infrastructure

About this job

Lund, Sweden | On-site | Long-term assignment (Oct 2026 – Sep 2027, strong extension potential) About the role We're looking for an experienced network operations specialist to join a large-scale Infrastructure Services team for one of our clients - a global industrial technology company based in Lund. This is a hands-on, operationally critical role: you'll be the person keeping a sprawling enterprise network environment stable, secure, and running, across Cisco and HPE Aruba infrastructure. You'll work close to the metal - configuring, monitoring, troubleshooting - while also coordinating with internal IT teams and external telecom providers to keep everything within SLA. If you like solving real problems in a live, 24x7-critical environment rather than just writing documentation about them, this is built for you. What you'll actually be doing Day-to-day administration of enterprise-scale Cisco and HPE Aruba networks Configuring and maintaining HPE Aruba environments, including SD-WAN Managing Cisco Nexus infrastructure Keeping switches, routers, and wireless infrastructure (controllers + APs) healthy and fast Working inside Cisco ISE, Prime, and DNAC for network management and security Driving incidents to resolution within SLA, using ServiceNow and ITIL-based processes (Incident, Problem, Change, Knowledge Management) Liaising directly with telecom providers on WAN/connectivity issues Contributing to proactive failure detection and planned maintenance, not just firefighting What we're looking for 10+ years of hands-on enterprise network operations experience Strong command of Cisco switching/routing, including STP and VTP Solid WAN technology knowledge Practical experience with HPE Aruba - Aruba SD-WAN experience is a strong plus Hands-on Cisco Nexus experience Comfort administering Cisco wireless infrastructure (controllers, APs) Familiarity with Cisco ISE, Prime, and DNAC ITSM experience, ideally with ServiceNow, and solid ITIL process knowledge A track record of resolving network incidents against defined SLAs Strong, independent troubleshooting instincts Nice to have Scripting/automation skills (Python a plus) Experience in large, complex enterprise network environments Background in 24x7 network operations or infrastructure support Practical details Location: On-site in Lund - this is not a remote role Workload: Full-time, 40h/week Start: As soon as possible Note: A pre-assignment drug test is required Some flexibility across time zones/holidays may be needed given 24x7 coverage

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