Lead Network Engineer

Lead Network Engineer | Dublin, Ireland | Fiber Optic, Networking, Switches

I’m partnered with a global firm who are looking for an experienced Network Engineer with a history of team leadership. This is a hands-on & technical position with a direct pathway to becoming a Change Leader within the business, meaning further responsibilities & the opportunity for partnership with some of the worlds leading tech companies.

Here, the Lead Network Engineer can expect to take ownership of complex, high-performance network systems across both optical and IP environments. You’ll be responsible for ensuring network reliability, resolving technical issues, and maintaining the smooth operation of mission-critical infrastructure.

Lead Network Engineer Responsibilities

Network Operations & Optimization

• Oversee and maintain the performance, reliability, and capacity of both optical and IP network systems.
• Manage multi-vendor network hardware and software components, ensuring seamless operation and integration.
• Utilize advanced monitoring platforms to track network health, identify anomalies, and proactively address potential issues.
• Support team in handling network and traffic peering for any Layer 1 to Layer 3 issues

Incident Response & Problem Solving

• Diagnose and resolve complex network incidents, applying innovative and practical solutions to minimize service disruptions.
• Conduct in-depth root cause analyses for outages or performance degradation and produce detailed documentation and reports.

Cross-Functional Collaboration

• Partner with global service providers, data center teams, and internal stakeholders to maintain and enhance network stability.
• Contribute to infrastructure expansion projects and support the implementation of new network solutions.

Lead Network Engineer Requirements

• A bachelor’s degree in a relevant technical field (or equivalent hands-on experience), with 5–8 years in network operations or a related discipline.
• Ideally 2 years in a lead position
• Proven expertise in optical networking technologies (DWDM, CWDM) and IP protocols such as IPv4/IPv6, MPLS, BGP, and OSPF.
• Strong working knowledge of fiber-optic infrastructure, including cable and connector types, optical transport systems, and patch panel configurations.
• Ability to develop and present root cause analysis reports following network incidents.
• Excellent judgement and adaptability when choosing methods or tools to resolve network challenges.
• Effective communication skills, with the confidence to engage service providers, colocation facilities, and ISPs across multiple regions.
• Experience working within multi-vendor network environments.
• Professional certifications such as CCNA, CCNP, JNCIA, JNCIP, or OCA (or similar).

This is a fulltime position, based in Dublin. If interested, please apply with your most up-to-date CV & I’ll be in touch.