Top Network Engineer Jobs in Belfast

Establishes, maintains, and troubleshoots connections between Clir’s platform, client networks, and data sources. Develops system improvements, supports AWS network infrastructure, communicates with client IT teams, and maintains connection documentation. The role requires cloud computing, networking protocols, VPN, database, and file-transfer knowledge, along with strong problem-solving and communication skills. Renewable energy, infrastructure-as-code, containerization, industrial protocols, and pfSense experience are beneficial.

Lead day-to-day operation, availability, resilience, and security of the enterprise network platform. Manage incidents, problems, changes, escalations, root cause analysis, suppliers, governance, compliance, monitoring, automation, reporting, and KPI frameworks. Drive continuous improvement, operational excellence, reliability, and cost-effectiveness across cloud, data centre, WAN, LAN, wireless, and security environments while communicating effectively with technical and non-technical stakeholders.

Supports high availability, security, maintenance, and development of the university’s operational technology network and BEMS infrastructure. Responsibilities include network installation, commissioning, troubleshooting, architecture, cybersecurity controls, vulnerability assessments, incident response, documentation, contractor management, risk assessment, and technical guidance. The role collaborates with IT Services, vendors, Estates teams, and building stakeholders to deliver reliable, secure, and efficient campus systems.

Provide day-to-day incident and change support for enterprise network infrastructure in a regulated financial-services environment. Design, document, build, transition, configure, and support production, non-production, and disaster-recovery networks. Work across Cisco routing and switching, ACI, Meraki, Check Point firewalls, F5 load balancing, DNS, DHCP, SDN, automation, Infrastructure-as-Code, observability, and secure internet-facing services.

Provides enterprise network engineering and operations for a regulated UK financial-services environment. Responsibilities include incident and change support, network design, documentation, installation, configuration, live transition, and ongoing support across production, non-production, and disaster-recovery infrastructure. The role requires hands-on expertise with Cisco, ACI, Meraki, Check Point, F5, LAN/WAN, DNS, DHCP, network security, automation, Infrastructure-as-Code, and observability.

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.

The Senior Network Engineer will support Exegy's network infrastructure, including administration, device maintenance, and collaboration with vendors for troubleshooting and changes.

Drive developer growth by building the developer community and establishing an early-stage go-to-market motion for AI agent technology. Collaborate with an experienced global team in a remote-first environment to promote developer-focused products and customer impact.

The Senior Network Automation Engineer will enhance Perl code for network automation, maintain REST APIs, reduce technical debt, and support junior engineers.

Design, implement, monitor, and support WAN/LAN/wireless and firewall infrastructure. Deliver network projects, manage incidents, perform root-cause analysis, coordinate with ISPs/vendors, produce documentation, and support security and continuous improvement.