Location: Dublin (Onsite – 5 days per week at customer office)
Duration: 12 months
Overview
Reporting to the Senior Core Network Engineering Manager, this role focuses on IP technologies within a service provider environment. The position is primarily centered on network build activities and core migrations, with occasional involvement in operational support. The successful candidate will play a key role in implementing and managing architectural changes across the customer’s Core IP network.
Key Responsibilities
Design, build, and implement configuration changes for MPLS networks
Plan and deliver physical interconnects and service migrations
Execute IP transit implementations and migration activities
Collaborate with IP architects to shape the future Core IP network design
Stay up to date with emerging networking technologies and industry trends
Develop and test bespoke services in a lab environment, including scripting and templating for scalable deployment
Perform hardware and software upgrades and migrations within maintenance windows, following change management processes
Configure, support, and maintain core network devices (P, PE, BNG routers, and aggregation switches)
Troubleshoot and resolve complex network issues under tight timelines, prioritizing effectively
Escalate advanced faults to vendor TAC teams and support issue resolution, including lab-based replication when required
Ensure smooth handover of new services from Service Delivery to Operations, adhering to defined processes
Manage IPv4 and IPv6 addressing requirements
Requirements
Strong experience with MPLS and core IP networking in a service provider environment
Proven problem‑solving skills and ability to work under pressure
Experience with network migrations, upgrades, and large‑scale deployments
Familiarity with scripting and automation tools is an advantage
Solid understanding of IPv4 and IPv6 addressing and management
This role is ideal for a proactive network engineer who thrives in complex environments and enjoys working on large-scale infrastructure projects.
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