Jobs /

Senior Network Engineer

Closing Date: 16/04/2026

Location: Dublin

Reference #: 2063

Role Title:

Business Area:

Service & Operations

About This Role:

Due to the continued expansion of eir business, we are now seeking to recruit an experienced Senior Network Engineer who will become an integral part of our Managed Services Team, working in an evolving and exciting multi-customer, multi-technology IT environment.

Expectations From The Role:

• Work as part of a growing Managed Services team with procedures based on the ITIL Framework and governed by ISO 20000

• Collaborate with technical experts and business managers to support, design, and optimise client network solutions

• Investigate and diagnose complex network faults — identify failing components, confirm impact, and determine contributing events

• Drive resolution and recovery activities, ensuring minimal impact to customer environments

• Act as the senior network escalation point for other ICT support teams

• Coordinate with other ICT teams and third parties (ISPs, vendors, integrators) when required

• Configure, support, and optimise switching, routing, firewall, and wireless solutions across Cisco, Meraki, Aruba, Palo Alto, and Fortigate technologies

• Manage VPN services including site-to-site, client VPN, and SD-WAN configurations

• Implement and maintain firewall rules, security policies, and network access controls

• Perform structured patching and ensure accurate documentation, diagrams, and knowledge management content

• Assess proposed network changes, highlight potential impacts, and contribute to governance within the change management process

• Participate in the On-Call Support rota as part of a senior escalation team

Requirements For A Successful Application:

• 5+ years’ experience working as a Network Engineer in an Enterprise or Managed Services environment

• Expertise in Switching technologies (Cisco, Meraki, Aruba)

• Strong Routing experience on Cisco routers (BGP, OSPF, EIGRP advantageous)

• Hands-on experience with firewall technologies: Cisco ASA/Firepower, Meraki MX, Palo Alto, and Fortigate

• Strong understanding of VPN technologies (IPsec, SSL-VPN, Remote Access, SD-WAN)

• Experience with enterprise access points and wireless networks

• Ability to troubleshoot and identify complex network issues across multi-vendor environments

• Excellent communication skills and confidence in managing expectations of senior technical staff and senior management

• ITIL knowledge and experience

The Successful Candidate

• Has a passion for networking technologies and enjoys diagnosing and resolving complex challenges

• Works effectively within teams and collaborates with a wide range of stakeholders

• Provides technical leadership and mentorship to colleagues

• Shows strong determination in resolving major incidents and completing projects successfully

• Is confident in handling high severity network incidents and contributing to timely resolution

• Is customerfocused, deadlinedriven, and capable of delivering results within SLAbased environments

• Holds certifications in Cisco, Meraki, Palo Alto, Fortinet, or Aruba technologies (preferred)

Others:

About eir

Our purpose is to connect for a better Ireland.

Our ambition is to be the number one choice for telecommunications and technology solutions, delivering for our customers today and into the future.

Our new values and behaviours reflect both who we are and who we strive to become. They are the way that we bring our purpose to life in eir.

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. 

Apply Now!