Senior Network Engineer

Eir Business is seeking a Senior Network Engineer to join our dedicated Managed Services team supporting a key enterprise customer. This is a senior technical role acting as an escalation point, responsible for resolving complex network and security incidents, optimising environments, and ensuring reliable service delivery. Experience with networking and security concepts is essential, with particular focus on Palo Alto, along with hands‑on exposure to technologies such as Aruba WLAN, Cisco LAN, WAN, WLAN and network security platforms. A proactive approach to continuous improvement and the ability to operate within ITIL‑based incident and change management processes are key to success in this role: Expectations From TheRole: Act as senior escalation for network/security incidents Lead root cause analysis and resolution Support Aruba switching, controllers, and Wi‑Fi Perform changes, upgrades, and migrations Follow ITIL processes and maintain documentation Participate in on‑call rota and major incident response Requirements For ASuccessful Application: 5+ years networking experience Strong Palo Alto firewall experience Experience with Aruba networking (switching/wireless) Strong routing & switching skills (OSPF, TCP/IP, VLANs) VPN technologies (IPSec, remote access) ITIL / managed services experience Strong troubleshooting skills Palo Alto certs (PCNSE/PCNSA) SD‑WAN exposure Strong problem‑solving Ability to work in high‑pressure environments Customer-focused mindset Others: We are committed to creating an inclusive and supportive work environment. If you require any reasonable adjustments during the application or interview process, please let us know, and we will work with you to meet your needs. If successful in the interview process, eir reserves the right to conduct appropriate suitability checks in relation to prospective employees including but not limited to reference checking and/or other searches using publicly available information. #J-18808-Ljbffr