IT Senior Network Officer - Multiple Locations

My client, a well-established public sector organisation operating within a multi-site enterprise (Ballymena/Coleraine/Newtonabbey/Magherafelt) environment, is seeking a Senior Network Engineer to join their IT Systems function. This is a key role responsible for the ongoing development, optimisation and support of the organisation's network and communications infrastructure., As a Senior Network Engineer, you will be responsible for the day-to-day management, monitoring and enhancement of network infrastructure, alongside supporting strategic upgrades and new technology implementations. You will: * Manage and maintain LAN, WAN and wireless infrastructure * Configure and support switching, routing, VLANs and remote access solutions (VPN) * Administer firewalls, network access control and security policies * Support Windows network services (DNS, DHCP etc.) * Oversee telephony and unified communications systems * Perform proactive monitoring, traffic analysis and capacity planning * Lead on firmware upgrades, patching and infrastructure improvements * Deliver network-related projects including installation, configuration and testing * Maintain documentation, disaster recovery processes and asset inventories * Support incident resolution within agreed SLAs * Liaise with third-party suppliers and vendors * Provide mentoring and technical guidance to junior team members

• Strong experience within a multi-site network environment
• Advanced knowledge of Ethernet switching and routing protocols
• Strong understanding of network security principles and firewall management
• Experience supporting Cisco, HP or equivalent enterprise networking technologies
• Solid knowledge of Microsoft network services
• Experience diagnosing and resolving complex network faults
• Strong understanding of low-level network protocols
• Experience managing wireless infrastructure, * Relevant Level 4 qualification plus 3+ years' networking experience
• OR 7+ years' relevant networking experience
• OR Associate-level networking certification (e.g. CCNA or equivalent) plus 2+ years' experience For further information on this role, or other IT Infrastructure opportunities, apply via the link or contact the consultant for a confidential discussion. Successful applicants may be required to complete pre-employment checks in line with organisational policy.

• Competitive salary (commensurate with experience)
• Generous annual leave entitlement
• Employer pension contribution
• Ongoing professional development and certification support
• Clear progression opportunities within IT infrastructure You will be part of a forward-thinking IT team delivering secure, reliable and high-performing network services that support organisation-wide operations. The environment is technically varied and offers exposure to enterprise-level networking, security and communications technologies.