Role Overview:
The Senior Network Engineer is responsible for the design, delivery, and ongoing support of complex customer and internal network environments, spanning datacentre, ISP, and on-premises infrastructures. The role involves taking full ownership of network installation projects, providing senior-level escalation support, and working closely with Network Management, Sales, and customers to deliver robust, secure, and scalable solutions. This position also requires proactive network monitoring, maintenance, and participation in a 24x7 support rota, with occasional out-of-hours work to meet customer and operational requirements. This role will entail a mix of office/home-based work as well as customer site visits for installation/support
Key Responsibilities
• To take ownership of installation projects, and liaise with Network Manager, Account Managers and Customers to deliver the installation project
• To carry out ongoing maintenance and development of the DC & ISP network
• Assist sales to answer technical questions for new customer proposals
• Assist with the maintenance of monitoring systems to provide alerting
• Pro-active maintenance relating to software and firmware updates of networking equipment
• Occasional out of hours tasks depending on customer requirements on downtime around support and install tasks
• Included within the 24x7 OOH call rota
• To provide Network support for escalated tickets from Primary Helpdesk Team - remote & onsite if necessary
Required Skills & Experience:
• Strong Networking background and understanding of the following technologies
o Layer 2 understanding (ARP, MAC)
o IP Addressing & subnetting
o Spanning Tree
• Strong understanding of Layer 3 routing protocols
o OSPF
o EIGRP
o BGP
• Strong troubleshooting skills
• VPN Technologies
o IPSEC site to site
o SSLVPN
• Exposure to a range of Firewall vendors such as:
o FortiGate & FortiManager
o Sophos XG
o Cisco ASA / Firepower
o Watchguard
• Demonstratable skills in managing firewalls and relating technologies such as:
o Zone based firewalling
o NAT
o Web, IPS & AV filtering policies
o Device / User authentication integration
• Strong Switching skills and multi-vendor exposure
o Cisco IOS
o HP Aruba
o VLAN creation, management and trunking/tagging
o Cabling/connector types (Copper Cat5/6 & fibre cabling types)
• Wireless installation and support
o Experience with Ubiquiti Unifi and Meraki based deployments
• Experience working with and managing Datacentre networks
• Understanding of different Internet connectivity types – FTTC/FTTP/Leased Line
• Experience with Windows servers and roles such as AD/DHCP/DNS/NPS
• Experience with Hyper-V / VMWare technologies
• Excellent customer facing manner
• Previous experience in a similar IT role
• Cisco CCNP and any other network qualifications would be an advantage
• Full UK Driving license Personal Characteristics
• Flexible, adaptable, and calm when under pressure
• Willingness to learn
• Honest and dependable
• Well-presented, personable, team player • Customer and service focused