Network Service Engineer

Digital Realty; Dublin; On-site; EUR 70,000 - 90,000; Full time

Job summary

Digital Realty is seeking a Network Service Engineer in Dublin to monitor and maintain the interconnectivity network, troubleshoot incidents, and coordinate with providers to minimize downtime. You will handle real-time monitoring, ticket management, and incident resolution while reporting on performance and improvements.

The role requires a telecommunications degree and hands-on experience with Juniper/Ciena/Cisco gear, NOC operations, and familiarity with VMware/Linux.

Qualifications

• Degree in telecommunications or equivalent.
• Experience with Juniper, Ciena and Cisco equipment; professional certifications are a plus.
• NOC/Managed Services experience in data centers, telecoms, ISP, or cloud providers.
• Data center/co-location experience is advantageous.
• Hands-on with network monitoring tools and trouble-ticketing systems.
• Strong TCP/IP fundamentals and routing principles.
• LAN/WAN troubleshooting in co-location environments.
• IP/MPLS knowledge; Juniper MX Series desirable.
• Optical Ethernet/Transport networks experience (Ciena 6500/Waveserver AI desirable).
• VMware and Linux experience.
• Cloud connectivity familiarity (Azure ExpressRoute, AWS Direct Connect, Google Interconnect) is a plus.
• Scripting in Python or Ansible a plus.
• Excellent written and verbal communication skills.

Responsibilities

• Real-Time Monitoring: monitor network health, traffic, and performance metrics.
• Trouble Ticket Support: manage tickets with vendors and providers and support customer-facing tickets.
• Incident Management & Resolution: detect, analyze, and resolve outages or performance degradation.
• Maintenance & Updates: assist with hardware, firmware, and patch updates.
• Reporting: analyze performance and suggest infrastructure improvements.
• Adhere to SLAs/OLAs/KPIs and document progress in tickets.
• Provide updates to tickets and communicate with stakeholders.
• Coordinate with external suppliers and internal teams to minimize downtime.
• Stay updated on new network tech and tools.

Skills

Real-time monitoring

Troubleshooting

Incident management

Communication

SLA/OLA/KPI knowledge

Provider coordination

NOC experience

VMware

Linux

Python scripting

Education

Degree in telecommunications or equivalent

Tools

Juniper MX Series

Ciena equipment

Cisco equipment

VMware

Linux-based systems

Azure ExpressRoute / AWS Direct Connect / Google Interconnect

Ansible

Trouble-ticketing systems

Job description

Job Description

The Network Service engineer is responsible for monitoring and maintaining Digital Realty's Interconnectivity Network infrastructure to ensure minimum network downtime and customer service impacts. Troubleshoot all network incidents and any customer reported services issue within agreed upon SLA. If needed, the engineer is responsible for coordinating with internal and external providers to troubleshoot and fix any network/customer service issues.

What You’ll Do

• Real-Time Monitoring: Proactively tracking network health, traffic, and performance metrics to prevent failures.
• Trouble Ticket Support: Create and manage trouble tickets with our equipment vendors and our fiber providers and support customer facing trouble tickets (Cloud Connect, Service Exchange, DRIX, IP Bandwidth, Metro Connect (Dark Fiber), Metro Connect (Ethernet), Metro Connect (Managed Wave), Ports, Links, Connections, Virtual Router).
• Incident Management & Response:Detecting, analyzing, and resolving network outages, outages, or performance degradation.
• Maintenance & Updates: Support the installation, configuring, and updating hardware, and firmware, including patch management.
• Reporting: Providing detailed analysis regarding network performance, availability and recommending infrastructure design and routing improvements.
• Incident Management, Incident Diagnosis and Incident Resolution within SLA's, OLA's and KPI's, ensuring that all incidents are investigated in a timely manner.
• Provide regular updates to ticketing systems while progressing incidents through to resolution.
• Liaising and escalating with external suppliers and other Digital Realty departments to ensure minimum disruption and downtime on the network.
• Staying up to date with new network technology supported by the NOC.

What You’ll Need

• A degree in telecommunications or equivalent, relevant industry experience.
• Experience working with Juniper, Ciena, and Cisco network equipment are a plus.
• Professional certifications such as CCNA, JNCIA, or Optical Associate/Foundation are a plus.
• Proven experience working within a Network Management or Operations Center environment in the Managed Services (Data or Voice), Telecoms, ISP, or Cloud Service Provider sectors.
• Experience working within a Data Center (co-location) environment is advantageous.
• Hands-on experience with network monitoring tools and trouble-ticketing systems.
• Strong understanding of TCP/IP networking fundamentals.
• Proficient in LAN and WAN troubleshooting, including physical layer cabling issues in co-location environments.
• Working knowledge of IP/MPLS networks (experience with Juniper MX Series is desirable).
• Working experience of Optical Ethernet and Transport Network. (Ciena 6500 and Waveserver AI desirable)
• Working experience with Optical Ethernet and Transport Networks (experience with Ciena 6500 and Waveserver AI is desirable).
• Solid understanding of routing principles.
• Experience working with VMware and Linux-based systems.
• Familiarity with Microsoft Azure ExpressRoute, AWS Direct Connect, Google Cloud Interconnect, or other CSP connectivity services is an advantage.
• Scripting knowledge in Python or experience with Ansible automation tools is a plus.
• Excellent written and verbal communication skills and strong attention to detail.