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Network Operations Engineer I

Astreya Consultancy Ireland Ltd · Dublin, Ireland

Operations ManagementEntry LevelQuick applyfull-time15 days ago

About The Role

Job Title: Network Operations Engineer I – (Optical and IP Engineer)

Job Overview

The Network Operations Engineer I is a technical role responsible for monitoring, troubleshooting, and maintaining the health of Optical and IP networks in a 24x7 operational environment. This role is ideal for engineers who want to build a strong technical foundation in network operations while working alongside experienced engineers and Team Leads. This role is primarily hands-on and execution-focused, with the majority of time spent monitoring network health, responding to alarms and tickets, and performing first-level troubleshooting under the guidance of senior engineers.

Scope

  • ● Monitor optical and IP network health through NOC tools, dashboards, and alarm systems.
  • ● Perform first-level triage and troubleshooting of network incidents and alarms.
  • ● Open, update, and manage tickets through resolution or escalation.
  • ● Follow established runbooks, procedures, and escalation paths.
  • ● Support senior engineers and Team Leads during incidents and maintenance events.
  • ● Build foundational knowledge of optical transport and IP routing technologies.

Roles and Responsibilities

  • Network Monitoring & Alarm R esponse
  • ● Continuously monitor network dashboards, alarms, and event queues for optical (DWDM, CWDM) and IP (IPv4/IPv6, MPLS, BGP, OSPF) networks.
  • ● Identify, acknowledge, and classify alarms based on severity and impact.
  • ● Perform initial diagnostics to determine likely cause before escalating.
  • ● Escalate complex, high-impact, or cross-domain issues to Network Operations Engineers II/III or the Team Lead.

Ticket & Case Management

  • ● Open and maintain accurate, detailed documentation for all cases and incidents worked.
  • ● Track tickets through to resolution, following up with internal teams and external vendors as needed.
  • ● Communicate status updates clearly to stakeholders and shift leads.
  • ● Assist with post-restoration checks to confirm service stability.

Learning & Skill Development

  • ● Participate in shadowing, mentoring, and knowledge-transfer sessions with senior engineers.
  • ● Develop working knowledge of multi-vendor equipment (e.g., Cisco, Juniper, Ciena, Nokia, Infinera).
  • ● Pursue relevant training and certifications to grow technical expertise over time.
  • ● Contribute to and help maintain runbooks and knowledge-base articles based on hands-on experience.
  • Collaboration & Operational Suppor t
  • ● Coordinate with service providers, colocation facilities, ISPs, and vendors under guidance during incidents.
  • ● Support handoffs between shifts and provide clear shift-turnover documentation.
  • ● Assist with routine maintenance activities and scheduled network changes.
  • ● Follow change management and SLA adherence procedures.
  • Required Qualifications & Skill s
  • ● Associate's or Bachelor's degree in a technical field, or equivalent practical experience.
  • ● 2 years of experience in network operations, IT, or a related technical field (internships and hands-on labs count).
  • ● Foundational understanding of networking concepts (TCP/IP, routing, switching).
  • ● Willingness to learn optical transport technologies (DWDM, CWDM, fiber types, optics, patch panels).
  • ● Strong attention to detail and accurate documentation habits.
  • ● Clear written and verbal communication skills.
  • ● Ability to work effectively in a 24x7 shift-based operational environment.

Preferred Qualifications

  • ● Exposure to IP routing protocols (BGP, OSPF, MPLS, IPv4/IPv6, LLDP).
  • ● Familiarity with NOC monitoring or ticketing tools.
  • ● Entry-level certifications such as CCNA, JNCIA, or equivalent (or actively pursuing).
  • ● Prior experience in a help desk, NOC, or technical support role. Physical Demands & 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.
  • ● Availability to work rotating shifts, including, weekends, and holidays as required in a 24x7 environment.

Salary Range

45,280.00 - 56,600.00 EUR (Annual)

  • Please note that the salary information provided herein is base pay only (gross); it does not include other forms of compensation which may or may not apply to this specific position, namely, performance-based bonuses, benefits-related payments, or other general incentives - none of which are guaranteed, may be subject to specific eligibility requirements, and are wholly within the discretion of Astreya to remit.
  • Further, the salary information noted above is a range that consists of a minimum and maximum rate of pay for this specific position. Where an applicant or employee is placed on this range will depend and be contingent on objective, documented work-related considerations like education, experience, certifications, licenses, preferred qualifications, among other factors.

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