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Astreya

AI-powered managed IT services provider

Network Operations Engineer 2 (Optical and IP Engineer)

Telecommunications EngineeringConfirmed live in the last 24 hours
Full-timeDublin, Ireland€50.6k - €63.3k /yrIn-person

About the Job

Requirements

  • An Associate's or Bachelor's degree in a technical field, or equivalent practical experience.
  • 3–5 years of experience in network operations, with hands-on experience supporting optical and/or IP networks in a NOC or carrier environment.
  • Solid working knowledge of IP routing and switching, including TCP/IP, BGP, OSPF, MPLS, IPv4/IPv6, and LLDP.
  • Working knowledge of optical transport technologies, including DWDM, CWDM, fiber types, optics, amplifiers, and patch panels, and the ability to interpret optical performance data.
  • Hands-on experience with multi-vendor equipment such as Cisco, Juniper, Ciena, Nokia, or Infinera, including their command-line interfaces and management systems.
  • Ability to troubleshoot complex incidents independently and make sound decisions under pressure.
  • Experience working with vendor technical assistance centers, carriers, and service providers.
  • Strong documentation, written, and verbal communication skills, including communicating with non-technical stakeholders.
  • Ability to work effectively in a 24x7 shift-based operational environment.
  • Ability to perform office-related tasks, including prolonged sitting or standing; move within an office environment; and effectively use a computer.
  • Availability to work rotating shifts, including nights, weekends, and holidays, as required in a 24x7 environment.

Responsibilities

  • Serve as the second-level escalation point for optical and IP network incidents and alarms.
  • Independently troubleshoot and restore service for complex incidents across optical transport and IP routing domains.
  • Own incidents end-to-end, including stakeholder communication, vendor engagement, and post-incident follow-up.
  • Plan and execute scheduled maintenance activities and network changes within change management procedures.
  • Author and improve runbooks, procedures, and knowledge-base content.
  • Mentor and guide Network Operations Engineers I.
  • Receive and resolve escalations from Network Operations Engineers I, providing technical direction during active incidents.
  • Perform in-depth troubleshooting of optical networks, including DWDM and CWDM, and IP networks, including IPv4/IPv6, MPLS, BGP, and OSPF; analyze optical power levels, OSNR, BER/FEC counters, routing tables, protocol adjacencies, and traffic paths.
  • Isolate faults across fiber, optics, transport, and routing layers and domains, and drive incidents to restoration.
  • Act as incident owner for major service-impacting events on shift, coordinating technical resources and providing timely updates to Team Leads and stakeholders.
  • Escalate highly complex, architectural, or cross-organizational issues to Network Operations Engineers III, Engineering, or the Team Lead with clear diagnostic findings.
  • Ensure accurate, detailed documentation for all cases worked, and review ticket quality for Engineers I.
  • Open and manage cases with vendor technical assistance centers, including Cisco, Juniper, Ciena, Nokia, and Infinera, supplying logs, diagnostics, and technical detail to accelerate resolution.
  • Perform root cause analysis for significant incidents and contribute to post-incident reports and corrective action tracking.
  • Identify recurring issues and trends, and recommend preventive or corrective actions.
  • Validate service stability after restoration and confirm service-level agreement adherence.
  • Plan, prepare, and execute scheduled maintenance activities and network changes, including method-of-procedure review, pre- and post-checks, and rollback planning.
  • Participate in change review processes and assess operational risk of proposed changes.
  • Support turn-up, testing, and acceptance of new circuits, services, and network elements.
  • Coordinate with field technicians, colocation facilities, internet service providers, and service providers during maintenance and restoration activities.
  • Mentor, shadow, and train Network Operations Engineers I, leading knowledge-transfer sessions.
  • Author, review, and maintain runbooks, procedures, and knowledge-base articles.
  • Recommend improvements to monitoring, alarm correlation, and NOC tooling to reduce noise and improve detection.
  • Identify opportunities for scripting or automation of repetitive operational tasks.
  • Lead shift handoffs and produce clear, complete shift-turnover documentation.
  • Collaborate with Engineering, Planning, and other operational teams to resolve systemic issues.
  • Perform office-based duties involving occasional repetitive motions of the wrists, hands, and/or fingers.

Desired Qualifications

  • Professional-level certifications such as CCNP, JNCIS/JNCIP, Nokia NRS II, or equivalent; vendor optical certifications such as Ciena, Nokia, or Infinera are a plus.
  • Experience with fiber testing tools such as OTDR, power meters, and light sources, and interpreting their results.
  • Scripting or automation experience, such as Python or Ansible, for operational tasks.
  • Experience with ITIL-based incident, problem, and change management processes.
  • Familiarity with NOC monitoring, alarm correlation, and ticketing platforms.
  • Prior experience mentoring or training junior engineers.

About the Company

Astreya

AI-powered managed IT services provider

Astreya provides IT managed services for large enterprises, designing, deploying, and running their technology environments. Its offerings cover cloud, infrastructure, security, digital workplace services, and AI-powered support, including an AI-driven service desk and an AI Ops platform. It differentiates itself by tightly integrating with a client’s existing stack and partnering with platforms like Google Cloud, Databricks, and ServiceNow to deliver end-to-end managed IT with in-house AI capabilities. Its goal is to help enterprises run IT more efficiently and securely while expanding impact through partnerships and acquisitions, including supporting Cognizant's AI-first managed services strategy.

Company size
1,001-5,000
Company stage
Acquired
Total funding
Not listed
Headquarters
San Jose, CA
Founded
2001

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