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 networks More ❯
of diagnosing, troubleshooting and resolving all types of cabling, LAN/WAN, routing, WiFi and firewall related faults Good knowledge of networking including Layer2/3, dynamic routing, MPLS, BGP, OSPF, VPN, ANS, certificate management, remote user (VPN/Citrix) and firewall management. Good knowledge of IT security practices. Good knowledge of ServiceNow and LogicMonitor. Certifications – ITIL Foundation, CCNA & CCNP. More ❯
availability and data backup during network failures or natural disasters. Additional Knowledge/skills: Strong knowledge of networking concepts, protocols, and technologies, including TCP/IP, VPN, DNS, DHCP, BGP, LAN/WAN, routing, switching, and wireless networks. Proficiency in network management tools and technologies, such as network monitoring systems, configuration management, and performance analysis tools. Excellent troubleshooting and problem More ❯
Automation: Azure, AWS, Python, Ansible What You'll Bring: Strong technical foundation equivalent to CCNP or JNCIP-ENT level Solid experience troubleshooting Layer 2/3 protocols, OSPF and BGP Hands-on experience with at least one enterprise firewall: Palo Alto , Fortigate , or Cisco ASA Proven ability to perform root cause analysis and resolve complex network issues Experience in a More ❯
City of London, London, United Kingdom Hybrid / WFH Options
83zero Limited
Automation: Azure, AWS, Python, Ansible What You'll Bring: Strong technical foundation equivalent to CCNP or JNCIP-ENT level Solid experience troubleshooting Layer 2/3 protocols, OSPF and BGP Hands-on experience with at least one enterprise firewall: Palo Alto , Fortigate , or Cisco ASA Proven ability to perform root cause analysis and resolve complex network issues Experience in a More ❯
and performance tuning across hybrid networking environments. The Candidate The ideal candidate will have: Hands-on experience with MPLS, VPLS and cross-connects. Strong knowledge of routing protocols (OSPF, BGP, etc.) and traffic engineering. Proficiency in configuring and troubleshooting firewalls. Expertise with Mellanox and Meraki switching platforms. Solid grasp of VLAN segmentation, link aggregation and QoS strategies. Familiarity with infrastructure More ❯
4. Qualifications/Skills Required Technical Expertise : Expert in low-latency network technologies, including Multicast (IGMP, PIM), L2/L3, and WAN design. Expert in routing protocols such as BGP and OSPF. Experience with Arista, Cisco, including Layer 1 switches. Knowledge of FPGA and high-performance computing technologies is a plus. Strong understanding of time synchronization protocols, including Precision Time More ❯
delivering 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 More ❯
domestically 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 More ❯
environments Strong knowledge of WAN design principles, including technologies like ios-XR, SD-WAN, segment routing, and multitenancy In-depth understanding of network routing and switching protocols, such as BGP, OSPF, EVPN, and VXLAN Proficiency in automation tools and scripting, including Git, Python, Ansible, and Jinja2 More ❯
of LAN/WAN protocols and technologies in a Juniper, Cisco or other mainstream network-vendor environment - with experience of implementing, managing and supporting dynamic routing protocols such as BGP and OSPF. Experience of IP-based networks in a large environment. A clear understanding of network architecture with experience working at Layers 1, 2, and 3, in both troubleshooting and More ❯
experience with Access Control Lists (ACLs), network segmentation, and perimeter security best practices A solid understanding of Layer 2 and Layer 3 networking, and core routing protocols such as BGP and OSPF Experience with high availability networking setups Strong troubleshooting ability using packet capture and log analysis Familiarity with tools such as SolarWinds, Wireshark, and other SNMP-based monitoring solutions More ❯
experience with Access Control Lists (ACLs), network segmentation, and perimeter security best practices A solid understanding of Layer 2 and Layer 3 networking, and core routing protocols such as BGP and OSPF Experience with high availability networking setups Strong troubleshooting ability using packet capture and log analysis Familiarity with tools such as SolarWinds, Wireshark, and other SNMP-based monitoring solutions More ❯
work and deliver value. What We're Looking For Experience in the managed IT or telecoms sector. Solid knowledge of network principles (TCP/IP, routing protocols like OSPF & BGP, VRRP). Understanding of security concepts: firewalls, UTM, IPSec, SIEM, etc. Hands-on experience with at least two of the following: Networks, Cloud, Unified Communications, Cyber Security. Strong communication skills More ❯
City of London, London, United Kingdom Hybrid / WFH Options
83zero Limited
work and deliver value. What We're Looking For Experience in the managed IT or telecoms sector. Solid knowledge of network principles (TCP/IP, routing protocols like OSPF & BGP, VRRP). Understanding of security concepts: firewalls, UTM, IPSec, SIEM, etc. Hands-on experience with at least two of the following: Networks, Cloud, Unified Communications, Cyber Security. Strong communication skills More ❯
WAN changes Troubleshooting ClearPass, switch templates, and Aruba Central deployments Ensuring smooth operational handover from project to BAU via ticketing systems Must-Have Skills: CCNP-level networking knowledge Strong BGP understanding and real-world usage Experience using a ticketing system (e.g. ServiceNow) Firewall exposure (Cisco Firepower/FTD/FMC preferred) Proactive, organised, able to take initiative and manage tasks More ❯
functional 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 More ❯
white flag. Desire to learn Python, Golang, and other programming languages. Have a virtual tool belt of proven knowledge that encompasses many of the following areas: TCP/IP, BGP, OSPF, Multicast, Security, and more. Ideally you have experience with timing infrastructure such as GPS, White Rabbit, PTP, and NTP but it is not required. Ok with some on-call More ❯
travel up to 50% including some local and international assignments throughout EMEA PREFERRED QUALIFICATIONS Strong understanding of major Command Line Protocols (Cisco IOS, JunOS, etc.) and common Networking Protocols (BGP, OSPF). Professional experience with IT best practice frameworks (ITIL, LEAN, AGILE) and Operational Excellence concepts or methodologies. Experience with medium to large, complex project scopes and ambiguous details within More ❯
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 ❯
switching platforms (eg, MX, EX, SRX). Strong understanding of wireless networking (802.11 standards, WLAN controllers, access points). Experience with F5 load balancing technologies. Proficient in network protocols (BGP, OSPF, VLAN, STP, etc.). Solid knowledge of network security principles and best practices. Duration: 6 months (View for Extension) Start Date: ASAP Location: On site in West London Day More ❯
working in a Linux/Unix environment • Experience scripting in languages such as Python, Perl or Shell PREFERRED QUALIFICATIONS • Knowledge of IP Networking fundamentals and Routing Protocols such as BGP, OSPF, R&S. • Knowledge of network hardware and packet forwarding architectures • Ability to handle ambiguous or vaguely defined challenges and articulate technical solutions through abstract thinking Acknowledgement of country: In More ❯
