Network Operations Engineer II

Astreya Consultancy Ireland Ltd; Dublin; On-site; EUR 51,000 - 63,000; Full time

Job summary

Astreya Consultancy Ireland Ltd is seeking a Network Operations Engineer I (Optical and IP) to monitor and maintain optical and IP networks in a 24x7 environment. You will engage in first‑level troubleshooting, ticket handling, and collaboration with senior engineers to ensure service reliability.

The role emphasizes hands‑on execution, adherence to runbooks, and ongoing learning of multi‑vendor equipment (Cisco, Juniper, Ciena, Nokia, Infinera).

Qualifications

• Associate's or Bachelor's degree in a technical field or equivalent practical experience.
• 2 years of experience in network operations, IT, or related technical field.
• Foundational understanding of TCP/IP, routing and switching.
• Willingness to learn optical transport technologies (DWDM, CWDM).
• Strong attention to detail and accurate documentation habits.
• Clear written and verbal communication skills.

Responsibilities

• Monitor optical and IP networks using NOC tools, dashboards, and alarms.
• Perform first‑level triage and diagnostic troubleshooting.
• Open, update, and manage tickets through resolution or escalation.
• Follow runbooks and escalation paths; support incidents and maintenance.
• Collaborate with senior engineers and Team Leads during outages.

Skills

Networking concepts

24x7 shift readiness

Written & verbal communication

Troubleshooting basics

Documentation habits

Education

Associate's or Bachelor's degree in a technical field

Tools

NOC monitoring tools

Multi-vendor equipment knowledge (Cisco, Juniper)

Job description

Job Description Job Title: Network Operations Engineer I I – (Optical and IP Engineer) Job Overview: The Network Operations Engineer II 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 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

Salary Range 50,640.00 - 63,300.00 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.

We’re so glad you’re here.

Astrey is a global IT managed services provider dedicated to creating technology solutions that are reliable and human‑centered. We partner with the world’s most innovative organizations to optimize modern IT environments across the digital workplace, cloud, data, AI, and enterprise platforms. Our people are our strength. Across regions and roles, Astreyans bring deep expertise, curiosity, and a commitment to excellence. We believe great technology starts with great humans, which is why we invest in learning, collaboration, and career growth. At Astrey, transparency, accountability, and trust guide how we work with each other and our customers.

We foster an inclusive culture where diverse perspectives are valued and everyone has the opportunity to make an impact.

Join us to build solutions that matter and shape the future of IT together.

Onwards and upwards!