HubMub
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Astreya

Network Operations Team Lead

Astreya
Ireland · Full-time · Mid-Senior
What This Job Entails

The Network Operations Engineer III is a senior-level role that focuses on the operation, maintenance, and troubleshooting of both optical and IP networks. This position demands a

high degree of independence, accuracy, and attention to detail. The engineer will address a wide range of complex network issues, working on diverse problems with minimal supervision.

This role requires a deep understanding of optical and IP networking, hardwaretechnologies, and network management tools.

Scope

  • Resolve a wide range of network issues creatively and effectively.
  • Monitor the performance and health of optical and IP networks using advanced network management tools.
  • Tackle diverse and complex problems, applying sound judgment and innovative solutions.
  • Operate with minimal guidance on daily tasks, requiring only general instructions for new assignments.
  • Troubleshoot and resolve network issues to ensure minimal downtime and service disruptions.

Network Management

Your Roles and Responsibilities:

  • Manage and optimize hardware technologies to maintain network performance and capacity.
  • Engage in day-to-day troubleshooting, working with multiple vendor equipment, and resolving various software and hardware issues.

Issue Resolution

  • Address network traffic issues and respond to queries raised by XFNs and partners.
  • Collaborate with XFNs and vendors to resolve network-related problems promptly and effectively.
  • Conduct root cause analysis for network outages, providing detailed reports and solutions.

Cross-functional Collaboration

  • Work closely with service providers, colocation facilities, and XFNs globally, ensuring seamless network operations.
  • Support network infrastructure projects and collaborate with cross-functional teams on new network initiatives.

Additional Duties

  • Take on other duties as required, contributing to the overall success and reliability of the network infrastructure.

Required Qualifications/Skills

  • Bachelor’s degree (B.S/B.A) from a four-year college or university, with 5 to 8 years of related experience and/or training; or an equivalent combination of education and experience.
  • Proven experience in optical networking (DWDM, CWDM) and IP networking (IPv4/IPv6, MPLS, BGP, OSPF).
  • Strong judgment in selecting appropriate methods and techniques for obtaining network solutions.
  • Comprehensive understanding of fiber-optic technology, including cable types,connector types, optic types, patch panels, and optical transport technologies.
  • Experience in preparing root cause analysis reports for network and server outages.
  • Strong communication skills, capable of effectively working with global service providers, colocation facilities, and ISPs.

Preferred Qualifications

  • Experience working in a multi-vendor network environment.
  • Relevant network certifications such as CCNA, CCNP, JNCIA, JNCIP, OCA, orequivalent.

Physical Demand & Work Environment

  • Ability to perform office-related tasks, including prolonged sitting or standing.
  • Capability to move within an office environment and effectively use a computer.
  • Must have strong communication skills for effective collaboration and coordination.
  • Occasional repetitive motions of the wrists, hands, and/or fingers may be required.
  • This position offers the opportunity to work independently on complex network operations tasks while playing a critical role in maintaining and optimizing a global network infrastructure.

Key Skills

Ranked by relevance

server ccna ccnp mpls bgp
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Country Guide

Ireland

English-speaking EU tech hub

Posted
Sep 12, 2025
Type
Full-time
Level
Mid-Senior
Location
Dublin
Company
Astreya

Industries

IT Services IT Consulting

Categories

Information Technology

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