3 of 3 Cisco Nexus Jobs in the City of London

for maintaining the existing LAN/WAN infrastructure as well as working on projects and Changes to the network infrastructure. Responsibilities: - Design, implement and manage complex network infrastructure using Cisco campus networking 9300 series and Cisco Nexus switches. - Administer and configure FortiGate Firewalls for advanced security measures and threat management. - Provide technical support and troubleshooting for Fortinet … associated Wi-Fi networks. - Work with the team to implement new services including Palo Alto Prisma Access Firewalls, VeloCloud SD-WAN and Azure cloud networking. Required Skills/Experience: - Cisco campus networking and Cisco Nexus switches - Proven experience in supporting network security functions primarily focussing on Cisco ISE. - Experience in the configuration, deployment, and maintenance of … Fortinet and Cisco devices. - Strong understanding of wireless protocols, WLC configurations, and security principles. - Working knowledge of Palo Alto firewalls, Prisma Access and SD-WAN in general will be highly desirable Senior Network Engineer/Lead Network Engineer (12 month Fixed Term Contract) In accordance with the Employment Agencies and Employment Businesses Regulations 2003, this position is advertised based More ❯

scale AI and HPC environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring … and capacity planning for evolving AI workloads and future-proof infrastructure designs. Required Skills & Expertise: •Proven experience designing and operating VXLAN EVPN-based data center networks. •Strong knowledge of Cisco ACI, Nexus 9000, or Arista EOS platforms. •Expertise in data center routing and switching, including BGP, OSPF, IS-IS, multicast, and fabric path. •Deep understanding of AI-specific … Python, Ansible, and Terraform. •Familiarity with GPU-accelerated workloads and distributed systems in AI/ML and HPC environments. Preferred Qualifications & Certifications: •CCNP or CCIE Data Center (highly preferred) •Cisco Certified Specialist – Enterprise Core or Data Center Core •Additional certifications in NVIDIA Networking (Cumulus/Spectrum) or Arista ACE are a plus •Experience with hybrid and multi-cloud networking More ❯

skills to pre-empt and resolve latency issues. Comfortable leading from discovery/build through to maturity and long-term improvements. Any experience with the following would be beneficial: Cisco, Palo Alto, ClearPass, Aruba, Nexus and Fortinet. Key Responsibilities of the Network Monitoring Specialist: Lead the discovery and build phase of network monitoring dashboards, with a focus on More ❯