environment. Ability to design, deploy, and maintain MPLS, VPN, and VRF network cores. Experience with Cisco devices is mandatory; Juniper and Palo Alto experience is preferred. Strong understanding of OSPF, BGP, SR, and IS-IS routing protocols. Experience with Cisco NXOS, IOS, IOS-XE, and IOS-XR. Knowledge of industry-standard network design and implementation. Understanding of security and communication More ❯
assumptions made by the NSP are valid Must Have Cisco Certified Network Associate (CCNA) Certification Strong experience in designing, transitioning, and operating Cisco LAN technologies and routing protocols (EIGRP, OSPF, RIP, BGP) in an enterprise environment (national and global) Good knowledge of Palo Alto and Checkpoint firewalls Knowledge of LAN/WAN and network protocols Advanced level skill in firewall More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Deloitte
assumptions made by the NSP are valid Must Have Cisco Certified Network Associate (CCNA) Certification Strong experience in designing, transitioning, and operating Cisco LAN technologies and routing protocols (EIGRP, OSPF, RIP, BGP) in an enterprise environment (national and global) Good knowledge of Palo Alto and Checkpoint firewalls Knowledge of LAN/WAN and network protocols Advanced level skill in firewall More ❯
for complex network security architecture deployments and migrations. Must have multi-domain expertise including: LAN/WAN, firewalls, F5, Zscaler ZPA/ZIA, and routing protocols like BGP/OSPF, route maps + redistribution. Hands-on design/migration skills with at least 2 of: Checkpoint R8x firewalls, Cisco, Juniper LAN/WANs, F5 BIG-IP, LTM/GTM/ More ❯
provider network environment) Strong understanding of Firewall and Security Technologies and Architecture from leading vendors including Palo Alto, Fortinet and CheckPoint Strong understanding of routing protocols, i.e. BGP and OSPF Familiarity of Cloud Architecture and Cloud Networking with Public Cloud Vendors, i.e. AWS, Azure and Google Proven experience delivering demos, presentations, and technical documentation. Exceptional communication, interpersonal, and problem-solving More ❯
Experience Required Understanding of networking equivalent to CCNA R&S or JNCIS-ENT level Strong knowledge of Layer 2 protocols (STP, Dot1Q, QinQ, VPLS) and Layer 3 protocols (BGP, OSPF, EIGRP, HSRP, VRRP) Excellent communication skills - both written and verbal Strong customer service focus with a proactive and professional attitude Ability to work independently and collaboratively within a shift-based More ❯
City of London, London, Farringdon, United Kingdom
83zero Ltd
Experience Required Understanding of networking equivalent to CCNA R&S or JNCIS-ENT level Strong knowledge of Layer 2 protocols (STP, Dot1Q, QinQ, VPLS) and Layer 3 protocols (BGP, OSPF, EIGRP, HSRP, VRRP) Excellent communication skills - both written and verbal Strong customer service focus with a proactive and professional attitude Ability to work independently and collaboratively within a shift-based More ❯
Products • Hands experience with Cisco SDA, Catalyst Center • Strong experience of Large Data Centre LAN deployments • Experience of WAN technologies • A strong understanding of routing protocols and deployments – BGP, OSPF, EIGRP. • Experience and working knowledge of VPN designs and configuration on Cisco platforms • Experience with LTM/GTM - F5/AVI - products • An understanding and experience of firewall rule deployments More ❯
Products • Hands experience with Cisco SDA, Catalyst Center • Strong experience of Large Data Centre LAN deployments • Experience of WAN technologies • A strong understanding of routing protocols and deployments – BGP, OSPF, EIGRP. • Experience and working knowledge of VPN designs and configuration on Cisco platforms • Experience with LTM/GTM - F5/AVI - products • An understanding and experience of firewall rule deployments More ❯
communicator. Technical Requirements Deep expertise with Palo Alto firewalls and security infrastructure. Strong experience in Python , Ansible , Git , and network automation. Excellent understanding of network protocols such as BGP , OSPF , PIM , and IGMP . Experience with cloud networking, particularly in AWS and Azure . Proven ability to troubleshoot advanced networking issues. Bonus Points For Experience with Cisco Meraki products. Familiarity More ❯
teams, and cloud architects to ensure end-to-end connectivity for AI workloads. Support and troubleshoot RDMA, VXLAN/EVPN fabrics Diagnose and resolve routing, switching, and connectivity issues (OSPF, BGP, VLAN, VRF, etc.). Perform capacity planning, network optimisation, and proactive performance tuning. Participate in network automation efforts using Python, Ansible, or equivalent tools. Document network topologies, device configurations More ❯
/VPLS, Multi-Layer Networking, Optical Networking.PHP, Perl, programming and scripting. MySQL/MSSQL/other database skills. HTML and other web related coding skills and competencies.Generic Routing, EIGRP, OSPF, and BGP4.Cisco/Juniper command operation and configuration.Lorenz Pasch - My contact details are also listed on LinkedIn Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and More ❯
Multi-Layer Networking, Optical Networking. PHP, Perl, programming and scripting. MySQL/MSSQL/other database skills. HTML and other web related coding skills and competencies. Generic Routing, EIGRP, OSPF, and BGP4. Cisco/Juniper command operation and configuration. Lorenz Pasch - 07863107173 My contact details are also listed on LinkedIn Hays Specialist Recruitment Limited acts as an employment agency for More ❯
Fortinet SD-WAN solutions in enterprise environments. Deep understanding of traditional WAN technologies (e.g., MPLS, leased lines) and their integration with SD-WAN. Strong knowledge of routing protocols (BGP, OSPF), IP addressing schemes, and network segmentation practices. Experience operating within enterprise-scale, security-conscious environments with rigorous change control processes. Ability to work effectively both independently and in globally distributed More ❯
and SDN technologies. Hands-on deployment, configuration, and troubleshooting of data centre networks. Configure and manage Firewalls, with a focus on Fortinet. Expertise in networking protocols such as BGP, OSPF, VLANs, VXLAN, and Layer 2/3. Requirements (Multiple engineers who between them share the following): Proven experience with Cisco Routing & Switching, Juniper, and Arista networks. Strong understanding of data More ❯
modelling Eagerness to learn new technologies and mentor others Experience with Telemetry: Splunk, Grafana, Humio Experience with continuous integration and deployment tools Experience implementing, maintaining and troubleshooting MPLS, BGP, OSPF, IGMP, PIM related internal and external network routing issues in a production environment Knowledge with messaging queues such as Kafka, RabbitMQ, etc Bloomberg is an equal opportunity employer and we More ❯
and overseas is essential. Requirements: - CCNA level certification - Minimum 3 years experience in an IT support role - Understanding of routing, switching, firewalls, SD-WAN, and protocols such as BGP, OSPF Desirable: - Hands-on experience with Cisco & Meraki (firewalls, APs, switches) - Experience working within the ServiceNow framework - Knowledge of ITIL processes Role responsibilities include: • Proactive monitoring of IT systems and preventative More ❯
access control Cisco Nexus 7000 series switches Proven expertise in ACLs, network segmentation, and perimeter defence strategies. Deep understanding of Layer 2 and Layer 3 networking, routing protocols (BGP, OSPF, etc.), and high availability concepts. Strong troubleshooting skills with packet capture and log analysis experience. Familiarity with network monitoring and management tools (e.g., SolarWinds, Wireshark, SNMP-based tools). More ❯
teams to ensure security, resilience, and efficiency Requirements: Proven experience with Cisco and Arista networking environments Proficiency with Fortinet or Palo Alto firewall technologies Expert-level knowledge of BGP, OSPF, and Multicast routing protocols Solid understanding of Linux-based systems A strong drive for performance, uptime, and security Contract Length: 6 Months IR35 Status: Inside IR35 Start Date: ASAP Day More ❯
production environment under Change Control. - A sound knowledge of Arista architectures and operating systems with hands on design and configuration experience. - Confident knowledge and exposure of core routing protocols, OSPF and BGP, and IP transmission modes, Unicast and Mulitcast. - Low level log & packet analysis experience is a must. - Comfortable and capable to multitask. KEY RESPONSIBILITIES - Implement network-as-code for More ❯
in low-latency, high-availability trading environments Strong hands-on knowledge of Arista network equipment and architecture Proficiency in network automation , especially using Ansible Deep knowledge of routing protocols (OSPF, BGP) and IP transmission (Unicast/Multicast) Experience working with market brokers and direct market connectivity Strong skills in packet-level analysis and root cause troubleshooting Ability to capture business More ❯