Top Network Engineer Jobs in Dublin

The role involves maintaining Unix systems, automating operations, troubleshooting issues, and improving IT infrastructure performance globally within a large team.

Serve as Datadog's product expert for Network Monitoring: investigate complex escalations, lead technical calls, mentor support teams, build tooling/sandboxes, collaborate with Engineering/Product, and troubleshoot across containerized environments and multiple OS platforms.

Operate and maintain Telnyx's global IP backbone: bring new PoPs into production, manage BGP/IGP/MPLS/Segment Routing/EVPN, handle peering/transit and optics, run capacity changes and troubleshooting, and build AI-driven automation and validation tooling to reduce toil.

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.

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 design, deployment, and operation of high-performance AI GPU fabrics and datacenter networking (RoCE, RDMA, BGP/ECMP, EVPN/VXLAN). Provide staff-level architecture, cross-team technical leadership, incident escalation, automation (Python/Bash), and operational standards for global datacenter and edge deployments, including inter-datacenter transport and security.

The Mobile Core Network Engineer will manage core network services, design redundancy patterns, maintain automation, and participate in incident response within Telnyx's global mobile core network.

Design, modernise, and support global enterprise network infrastructure across on-prem, cloud, and SaaS environments. Lead network architecture, security, SD-WAN/SASE, Azure connectivity, Meraki and Fortinet administration, automation with Terraform/Python/PowerShell, troubleshooting, and cross-team collaboration to improve resiliency, performance, and operational efficiency.

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 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.

Build and operate services and tooling that automate network lifecycle, make network changes safe (CI/CD, rollouts, audit trails), develop scalable observability and telemetry, integrate network source-of-truth with platform APIs, and collaborate with network engineers and SREs to turn operational pain into production-grade automation.

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.

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 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 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 build automation workflows, ETL pipelines, and integrations to centralize partner/network data. Implement data quality checks, alerts, dashboards, and runbook automation to support operations and incident response. Migrate legacy data, reconcile discrepancies across systems, and create self-service tools for bulk data operations and reporting.

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/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.

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.

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.