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Astreya

Network Operations Team Lead

Sorry, this job was removed at 04:12 p.m. (GMT) on Wednesday, Jan 14, 2026
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Dublin, IRL
In-Office
Dublin, IRL

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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.

Your Roles and Responsibilities:

Network Management:

  • 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.

Astreya Dublin, Dublin, IRL Office

40 Mespil Road, 5th floor, , , Dublin, County Dublin, Ireland, D04 C2N4

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