Posted 25 July, 2026
Network Operations Engineer I
Astreya
Dublin, Dublin, Ireland
Full Time
Reference: 305258433
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 Response
• 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 Support
• 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 & Skills
• 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)
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 Response
• 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 Support
• 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 & Skills
• 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.
