Top Network Engineer Jobs in Dublin

Design and execute test plans and topologies to validate functionality, performance, stability and scalability of Arista networking products. Find hard-to-detect bugs, work closely with developers to complement automated tests, participate in design reviews, and drive platform validation and defect verification.

Design, deploy, and optimize global enterprise wired/wireless networks and VPNs. Lead connectivity between branches, automate operations and monitoring, troubleshoot cross-region incidents, evaluate new technologies, and partner with telecom providers to manage SLAs and escalations.

Design, maintain, and optimize HLR/HSS/UDM subscriber templates and roaming logic. Lead Full MVNO profile deployments, collaborate with roaming partners and system integrators, define HLR/HSS KPIs, and troubleshoot signalling using Wireshark and roaming platforms.

Design and implement automated workflows, ETL pipelines, and integrations to centralize partner data. Build reconciliation, alerting, runbook automation, dashboards, and self-service tools to improve data quality and operational response.

Design and implement automation for partner onboarding, data pipelines, ETL, reconciliation, and operational runbooks. Build API integrations, alerting, dashboards, and self-service tools to maintain partner data quality and streamline incident response.

Design and implement automation and ETL workflows to manage partner onboarding, data reconciliation, and operational runbooks. Build integrations, dashboards, alerts, and self-service tools to maintain data quality and streamline network incident response.

Design and implement automation and ETL pipelines to centralize partner data, build self-service and alerting workflows, automate operational runbooks and incident contact retrieval, and create monitoring dashboards and reconciliation scripts to ensure data quality and consistency.

Design and implement automated workflows, ETL pipelines, and integrations to centralize partner/network data. Build self-service tools, alerting, runbook automation, reconciliation scripts, dashboards, and scheduled reports to improve data quality, incident response, and operational efficiency.

Design and implement automated workflows, ETL/data integrations, and operational automations for partner data management. Build monitoring, dashboards, reconciliation, and self-service tools to maintain data quality and speed incident response.

Senior Network Engineer providing highest-level escalation for global network operations. Lead troubleshooting, RCA, and major incident recovery; design and implement enterprise network projects; administer Cisco, Fortinet, F5, SD-WAN, and cloud networking; automate tasks, perform packet analysis, monitor performance, and ensure network security and compliance while mentoring junior engineers.

Build software, services, and frameworks to manage large GPU supercomputing network fabrics: metrics collection, configuration, zero-touch provisioning, monitoring, IaC-based deployments, and automated remediation to ensure scalable, reliable network operations.

Build and design proxy infrastructure from scratch, implement rotation systems, manage IP reputation, optimize for performance, and develop reverse proxy systems for various proxy types.

Own production network health and incident management globally: diagnose and resolve complex network outages, perform root cause analysis, hardware/software isolation, vendor collaboration, maintenance (code upgrades, refreshes, peering), third-line customer support, and drive improvements in alerting, change processes, automation, and stability.

Design, build, and operate scalable control-plane services and Kubernetes controllers enforcing network segmentation and security policies across clusters, clouds, and data centers. Integrate cloud-native networking (CNI, service mesh), automate policy lifecycle, lead production troubleshooting, apply CI/CD and observability, mentor engineers, and use AI tools to accelerate development and operations.

Design, build, and maintain scalable backend services for eBay's Cloud Security Segmentation platform. Develop Kubernetes-based control plane services, troubleshoot distributed systems and cloud infrastructure, use CI/CD and automated testing, participate in code reviews and incident response, and leverage AI-assisted engineering tools to improve productivity and reliability.

Design, build, and execute exhaustive system tests for large end-to-end Arista networking environments. Configure hardware, traffic generators, and tools to emulate customer topologies; identify failures, reproduce bugs, analyze root cause, verify fixes, and present results. Collaborate with development, sales, TAC and POC teams; provide customer-focused feedback, test plan reviews, and cross-training.

Monitor and triage optical and IP network health in a 24x7 NOC, respond to alarms and tickets, perform first-level troubleshooting, maintain ticket documentation, follow runbooks and escalation paths, support senior engineers, and assist with maintenance and shift handoffs.

Design, implement, and operate global cloud voice networking: SIP/RTP flows, carrier interconnects, SBCs, VPNs, and multi-region AWS/Azure architectures. Optimize voice quality, run customer onboarding and connectivity workshops, automate provisioning with IaC, participate in incident response and HA/DR planning, and support capacity, scalability, and global expansion.

Lead cloud network reliability and automation across AWS: design and maintain IaC (Terraform), CI/CD pipelines, load balancers, CloudFront and Cloud WAN, implement observability and governance, participate in incident rotation, and drive cross-functional infrastructure improvements.

Build and operate the network platform: set SLIs/SLOs, drive reliability improvements, own incident response and postmortems, develop observability and safer change workflows, automate operations, and collaborate with network and platform teams to embed operability.

Build and maintain services and tooling to automate and secure network lifecycle across data centers. Implement CI/CD, staged rollouts, drift detection, observability pipelines, and APIs that integrate network source-of-truth with the cloud platform. Collaborate with network engineers and SREs to turn operational pain into production-grade automation and tooling.

Design and build automated workflows, ETL pipelines, and integrations to centralize partner network data. Create self-service tools, automated alerts, reconciliation scripts, runbook automation, and dashboards to monitor data quality and operational workflows.

Provide day-to-day support for global CDN production and corporate networks, troubleshoot server and switch hardware, coordinate with ISPs and vendors, perform root cause analyses for outages, and participate in 24/7 support rotations. Work includes multi-vendor environments, fiber-optic infrastructure, and scripting for operational tasks.

Design, operate and troubleshoot large-scale data center and backbone networks including InfiniBand GPU cluster interconnects. Provide technical design and operational support, develop monitoring and automation tools, document network designs, test infrastructure and vendors, and support launch of new cloud regions.

Provide regional technical leadership and high-level installation, configuration, documentation, management, and troubleshooting for LAN/WLAN/WAN across DoD/DHA medical facilities in Europe. Advise government and contractor staff, lead network specialists, maintain standards, and ensure security and high availability using tools like Orion SolarWinds, ARMIS, and Ansible.