IP Network Engineer

IP Network Engineer – West Dublin (5 Days Onsite)

We are seeking an experienced IP Network Engineer to join a high-performing Core Network Engineering team supporting a major telecoms environment in Ireland. This is a hands-on engineering role focused on Service Provider IP technologies, core network build activities, migrations, upgrades, and network evolution projects.

The successful candidate will play a key role in delivering and supporting large-scale Core IP infrastructure, working closely with architects, operations teams, and vendor TAC support across a multi-vendor environment.

Location

West Dublin, Ireland - 5 days onsite per week

Requirements

• Full Irish driving licence (essential)
• Ability to work onsite full-time in West Dublin

Key Responsibilities

• Design, build, and implement MPLS network changes within a Service Provider environment
• Deliver physical interconnects and service migrations across the Core IP Network
• Implement and migrate IP transit services
• Configure and support core network infrastructure including P, PE, BNG routers and aggregation switches
• Carry out software and hardware upgrades during maintenance windows in line with Change Management procedures
• Work closely with IP Architects on future Core Network design and evolution
• Troubleshoot complex network issues and engage vendor TAC teams where required
• Replicate and test faults within lab environments where necessary
• Support the development of bespoke services, templates, and automation/scripting capabilities
• Ensure operational readiness and smooth handover of new services into Operations teams
• Manage IPv4 and IPv6 address planning requirements
• Produce and maintain high-quality technical documentation

Essential Skills & Experience

• Relevant third-level qualification, ideally in Telecommunications or Networking
• 3+ years’ experience as a Network Engineer within a major Telecoms / Service Provider environment
• JNCIA, JNCIS or other Juniper certifications, or equivalent hands-on Juniper/JunOS experience
• Strong hands-on experience with Juniper MX and/or ACX platforms
• Hands-on configuration experience with BGP and MPLS
• Experience working across multi-vendor environments including Juniper, Cisco, Nokia and/or Ciena
• Strong CLI configuration and troubleshooting experience
• Excellent documentation and technical reporting skills
• Full Irish driving licence

Technical Experience

Candidates are expected to have strong working knowledge across a number of the following technologies:

• MPLS
• BGP / BGP-LU
• OSPF / ISIS
• Segment Routing
• EVPN
• VPLS
• L2 VPN / L3 VPN / MVPN
• LDP
• HSRP / VRRP
• QoS
• IPv4 / IPv6
• DS-Lite
• SIP / RTP
• IP Transit
• VPN technologies
• RPKI

Desirable Skills

• Python scripting or network automation experience
• Data Centre networking experience
• Experience developing templates or automation for bulk service deployment
• Awareness of emerging Service Provider networking technologies and trends

This is an excellent opportunity to join a technically strong engineering environment where you will work on critical Core IP infrastructure projects and large-scale network transformation activities.