including IPsec, SSL/TLS, and AAA (RADIUS, TACACS+) Understanding of application layer protocols such as HTTP, DNS, and DHCP Experience with network devices from vendors like Cisco, Juniper, Arista, etc. Knowledge of firewalls, IDS/IPS, and other security appliances Experience with load balancing technologies and strategies Familiarity with wireless networking standards and equipment Understanding of cloud networking More ❯
Sheffield, South Yorkshire, England, United Kingdom
Ninetech
Data Network & Security Specialist within large-scale enterprise networks. Deep technical expertise in networking technologies , especially SDN including Cisco ACI , spine & leaf architectures , and vendors such as Cisco and Arista . Hands-on knowledge in Subnetting , Switching , Routing , VLANs , VRFs , NAT , VXLAN , EVPN , etc. Proficiency in Infrastructure as Code and modern automation/configuration tools like Ansible , Git , GitHub More ❯
Sheffield, South Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
WWT EMEA UK LIMITED
Manage vendors across the project delivery and technical matters. Rich experience as a data network and security specialist in a large enterprise network. Strong Technical knowledge in networking (Cisco, Arista, and Others) with an emphasis on software-defined networks (SDN) such as Cisco ACI and leveraging spine & leaf designs. Proficient hands-on experience networking background (Subnetting, Switching, Routing, VLANs More ❯
edge AI data centres. Key Responsibilities Configure, manage, and troubleshoot Layer 2 and Layer 3 network infrastructure across AI/hyperscale datacentres. Configure and deploy spine-leaf switches (Cisco, Arista, Juniper) Support deployment and scaling of high-speed (10/40/100/400GbE) networks including spine-leaf architectures. Monitor and maintain physical and virtual network environments using … in a hyperscaler or HPC environment Proficient with L2/L3 protocols, automation tools, and AI fabrics Familiarity with NVIDIA Spectrum or similar switches is a plus Certifications: CCNP, Arista ACE, JNCIP What We Offer Competitive salary or daily contract rates Access to cutting-edge AI infrastructure projects Opportunities for growth in next-gen networking technologies Collaborative, innovation-driven More ❯
