Top Network Engineer Jobs in Dublin

Designs, implements, and manages secure, highly available hybrid networks across AWS, Azure, Cisco Meraki, and on-premises infrastructure. Responsibilities include network architecture, cloud networking, security controls, monitoring, troubleshooting, VPN integration, automation, disaster recovery, documentation, compliance, and stakeholder communication. Supports switches, routers, firewalls, Wi-Fi, servers, virtualization, and storage systems while optimizing network performance and reliability.

Implements and supports Cisco, Aruba, and Juniper LAN, WAN, wireless, and security environments. Provides first- and second-level incident support, troubleshooting, escalation, patch management, preventative maintenance, network health checks, technical reporting, and customer liaison. The role includes incident management against SLAs, vendor TAC coordination, managed-service tool oversight, project rollouts, process improvements, and participation in a 24/7 on-call rota.

Six-month onsite internship testing Arista networking products. Responsibilities include designing network topologies, writing and executing test plans, validating functionality and performance, identifying defects, verifying fixes, and troubleshooting networking issues. The role provides hands-on experience with routing, switching, Layer 2 and Layer 3 protocols, network automation, and structured testing methodologies.

Designs, deploys, operates, and troubleshoots large-scale datacenter, campus, core, and high-performance compute networks. Owns routing and switching standards, qualifies platforms and topologies, improves monitoring and documentation, automates network tasks, resolves Layer 2/Layer 3 incidents, and supports capacity build-outs. The role partners with compute, facilities, and software teams, participates in on-call rotations, and may require travel to build sites.

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

Provides first- and second-level support for customer Juniper and Aruba network and security environments from a Dublin NOC. Responsibilities include incident management, troubleshooting, SLA adherence, escalation, network health checks, technical reporting, patch management, preventative maintenance, RMM administration, and coordination with vendor TAC teams. The role also supports managed-service improvements and offers training toward vendor certifications.

Serves as the highest technical escalation point for global network operations. Leads complex incident resolution, root cause analysis, mentoring, network troubleshooting, infrastructure projects, datacenter migrations, cloud connectivity, security reviews, and enterprise network design. Supports Cisco ACI, firewalls, load balancers, SD-WAN, routing, switching, cloud networking, automation, monitoring, and network security across mission-critical environments.

Provides hands-on junior technical support, including floor-walking after moves, resolving first-line issues, installing and de-installing desktop and AV equipment, cabling, desk testing, asset management, equipment handling, issue tracking, and administrative updates. The role also supports deliveries, waste separation, equipment preparation, and escalation of unresolved incidents. Network and comms room installation experience is desirable but not essential, provided the candidate is willing to learn.

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.

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.

Provides operational and developmental support across Azure, VMware, Windows Server, enterprise networking, security, backup, disaster recovery, and hybrid infrastructure. Responsibilities include resolving complex incidents, supporting infrastructure changes and migrations, improving resilience, documenting environments and recovery procedures, assessing technical risks, and transferring knowledge to ICT staff. The consultant will also contribute to cybersecurity remediation, disaster recovery testing, infrastructure architecture, service management, and future ICT operating-model recommendations.

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.

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.

Designs, deploys, troubleshoots, and continuously improves global LAN, WAN, Wi-Fi, cloud, manufacturing, and hybrid network infrastructure. Responsibilities include Zero Trust security, firewall and NAC management, SD-WAN, VPN, cloud connectivity, automation using Python, Ansible, and Terraform, observability, capacity planning, incident management, documentation, architecture reviews, and mentoring engineers.

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.

Designs, builds, secures, operates, and automates Kraken's network and data-center infrastructure. Responsibilities include data-center design and connectivity, zero-trust network and firewall implementation, incident response and maintenance, infrastructure-as-code and tooling, and vendor coordination. Senior hires lead design and mentor; junior hires focus on hands-on build and operational requests.

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.

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 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.

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.

Design, implement, and maintain GCP network infrastructure including Interconnect, VPCs, firewalls, VPNs and IAM. Monitor performance, troubleshoot issues, collaborate with DevOps/Security, and mentor junior engineers.

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.