Job Details - Duration: 3 Years (Day Rate Contract) Location: Dublin City Centre Must have Full Driving Licence. Overview Our client, a leading public sector organisation, is seeking a Level 2 Network Engineer to join their Dublin City Centre office on a 3-year day rate contract. This role involves providing hands-on support and management of Local Area Networks (LAN), Wide Area Networks (WAN), Unified Communications, and Wireless Technologies across multiple sites in Ireland. This is an exciting opportunity to work on a large-scale, mission-critical network infrastructure, ensuring network stability, security, and performance across a distributed enterprise environment. Key Responsibilities 1. Network Operations & Support Manage and support Local and Wide Area Networks (LAN/WAN) across approximately 130 sites. Configure and troubleshoot Alcatel, Cisco, and other network switches and routers. Support and maintain network security policies and ensure compliance with best practices. Work with multiple third-party WAN providers to ensure service continuity. Provide hands-on network troubleshooting, including VPN technologies and SD-WAN solutions. 2. Wireless Network & Unified Communications Support Maintain and troubleshoot enterprise wireless networks (802.11xxx standards). Administer HP Aruba wireless solutions, including ClearPass and Airwave. Provide support for cloud-based Unified Communications systems (8x8 or similar). 3. Network Monitoring & Performance Management Use Omnivista, Zabbix, Wireshark, and FortiManager for network performance monitoring. Proactively monitor and resolve network incidents to prevent downtime. Respond to Level 2 and priority Helpdesk tickets and track all issues using a ticketing system. 4. Data Centre & Infrastructure Management Maintain and manage data centre and comms room infrastructure. Ensure cabling standards are maintained across multiple locations. Manage environmental controls including UPS, air conditioning, and IoT sensors for monitoring. Key Requirements Experience & Technical Knowledge Minimum 4 years' experience in a similar Level 2 Network Engineer role. Strong working knowledge of LAN/WAN environments including switching and routing protocols (Ethernet, TCP/IP, DNS, DHCP, OSPF, BGP). Experience with Fortinet SD-WAN or other SD-WAN technologies. Hands-on experience with VPN configuration and troubleshooting. Security & Compliance Strong focus on network security, ensuring industry best practices are followed. Tools & Monitoring Expertise Experience using Omnivista, Wireshark, Zabbix, or similar network monitoring tools. Knowledge of Aruba Wireless Controllers, Aruba ClearPass, and Airwave. Soft Skills & Problem-Solving Ability to work independently, especially in high-pressure outage situations. Strong communication skills, working across teams to support critical network operations. Ability to manage multiple vendors and third-party service providers effectively. Qualifications (Preferred, Not Mandatory) Relevant IT networking certifications (e.g., CCNA, CCNP, JNCIA, JNCIS, Fortinet NSE). Skills: Networking Cisco LAN WAN Network Administration