class routers, switches in a global and enterprise network environment. * Experience on Implementing and troubleshooting Internal and External DNS, IPAM, DHCP for IP management. * Experience in Implementing and troubleshooting F5 LTM administration, SSL Certificate renewal, iRules creation, Software Upgrade & Patching * Proactive Analysis: Review and analyze the DATA from Network Monitoring Tools to identify the best course of action to …/experience: * Routing & Switching (Cisco/Juniper - OEM's) - DC * DC-Core Network Protocol BGP/OSPF concepts * Checkpoint Firewall - Network Security & VPN concepts * Cisco Wireless & SD WAN concepts * F5 LTM * DNS/DHCP, IPAM * CCNP, CCSA, F5 Certificate * Good to Have * Cisco Meraki * AWS Networking, * Cisco ISE & Security * NMS: BIG IQ, SolarWinds, CA Spectrum, Thousand eyes, NetBrain More ❯
CA Additional experience with load balancers, hardware proxy devices, IDS/AV, and Voice technologies would be desirable. Experience with key vendors, primarily Cisco (IOS, NX-OS, ACI)/F5 (LTM, GTM, ASM)/Bluecoat/Fortigate/Checkpoint, Azure, Amazon and Google Cloud plus other vendor experience is welcome and beneficial. Your security clearance To be successfully appointed More ❯
from high level architecture through to hand over, acting as the single technical point of contact for customers. The role combines deep multi domain engineering expertise (LAN, WAN, firewalls, F5, Zscaler ZPA/ZIA, routing protocols such as BGP/OSPF) with exceptional soft skills, documentation discipline and change management. Required Skills & Experience: * Technical depth o 8 + years … engineering across enterprise environments. o Hands on design/migration of at least two of the following at scale: Check Point R8x firewalls, Cisco or Juniper LAN and WAN, F5 BIG IP LTM/GTM/AFM, Zscaler ZIA & ZPA, SD WAN. o Strong routing fundamentals (BGP, OSPF, route maps, redistribution). o Scripting or automation (Python, Ansible, Terraform … Word/Confluence for LLDs. o Familiarity with change tools (ServiceNow, Remedy) and SharePoint governance. * Qualifications (any two preferred) o CCNP/CCIE Enterprise or Security, JNCIP/JNCIE, F5 CTS, Check Point CCSE, Zscaler ZCCA IA/ZCCA IAE, TOGAF, ITIL v4. Core Expectations: * Own overall solution architecture and low level designs (LLDs). * Validate and integrate component More ❯
class routers, switches in a global and enterprise network environment. * Experience on Implementing and troubleshooting Internal and External DNS, IPAM, DHCP for IP management. * Experience in Implementing and troubleshooting F5 LTM administration, SSL Certificate renewal, iRules creation, Software Upgrade & Patching * Proactive Analysis: Review and analyse the DATA from Network Monitoring Tools to identify the best course of action to … Skills & Experience: * Routing & Switching (Cisco/Juniper - OEM's) - DC * DC-Core Network Protocol BGP/OSPF concepts * Checkpoint Firewall - Network Security & VPN concepts * Cisco Wireless & SD WAN concepts * F5 LTM * DNS/DHCP, IPAM * CCNP, CCSA, F5 Certificate * Good to Have * Cisco Meraki * AWS Networking, * Cisco ISE & Security * NMS: BIG IQ, SolarWinds, CA Spectrum, Thousand eyes, NetBrain More ❯
West London, London, United Kingdom Hybrid / WFH Options
Prodapt (UK) Limited
high-priority Network Migration Project. The ideal candidate will have extensive experience in networking and security, with expertise in migration, configuration, and troubleshooting across Cisco LAN/WAN environments, F5 load balancing, and Checkpoint firewalls. The Network Engineer will work closely with customer and third-party consulting team to design, implement, and optimize network infrastructure while ensuring the security … with minimal downtime and disruption to business operations. Roles & Responsibilities: Lead and assist in the migration of network infrastructure, ensuring seamless transition between systems (including Cisco LAN/WAN, F5 load balancing, and Checkpoint security configurations). Design, configure, and optimize Cisco network equipment including switches, routers, and firewalls for both LAN and WAN environments. Implement and maintain F5 … and security policies. Requirements Qualifications: Key Skills & Experience Cisco LAN & WAN: In-depth knowledge of Cisco routers, switches, and firewalls (e.g., ASA, Catalyst, Nexus) for LAN and WAN configurations. F5 Load Balancing: Hands-on experience in deploying and managing F5 BIG-IP solutions for load balancing, application delivery, and traffic management. Checkpoint Firewalls: Proficiency in configuring, managing, and More ❯
East London, London, United Kingdom Hybrid / WFH Options
JLA Resourcing Ltd
peering, routing, ExpressRoute, NLBs Proven blend of project delivery and BAU support Bonus experience would be: Exposure to Python, Ansible, or automation tooling Experience with Cisco Firepower, MPLS, or F5 BIG-IP Azure certifications (AZ-900, AZ-700) or Cisco (CCNP/CCIE) Interest in Infrastructure as Code and DevOps principles Any experience designing and running networking projects end More ❯
information across various organizational levels. Strong thought leadership abilities and a highly innovative problem solver. Ability to coach and mentor experienced Network engineering staff. Firewalls - Palo Alto, Cisco, NGFW F5 - Big IP, LTM, GTM, ASM, AFM or comparable ADC experience Infoblox - DNS, DHCP, NTP Packet capture and analysis - Wireshark, Viavi Linux OS understanding Preferred Qualifications: Cloud Networking - AWS, Azure More ❯
Nexus/Catalyst), wireless, ACI, Meraki, SDWAN, ISE Cloud Networking - AWS, Azure, Terraform and Cloud Formation Templates Automation & scripting - Python, Ansible, IaC Packet Broker - Gigamon Firewalls - Palo Alto, Cisco F5 - Big IP, LTM, GTM, ASM, AFM Infoblox - DNS, DHCP, NTP Linux OS understanding About Columbia Threadneedle Investments Working at Columbia Threadneedle Investments you'll find growth and career opportunities More ❯
the context Strong knowledge and demonstrable experience of data centre and campus networking technologies: Cisco (routing, switching, firewalls), Fortinet (Fortigate and FortiSwitch), Palo Alto (Next Gen firewalls), Juniper SRX, F5 (global and local load balancing) and Encryption. Strong understanding of routing protocols (static and dynamic) in data centre, campus and wide area networks. Experience and knowledge of networking - L2 More ❯
have Experience with DC, enterprise leaf/spine designs, WAN engineering, enterprise QoS. Knowledge and experience of DMZ and Network Security technologies, Cisco and/or Palo Alto firewalls & F5 load balancers. Some exposure to Cloud networking is beneficial. Python, Go programming exposure with a slant towards network automation and tooling. Experience with analyzing packet captures, network capacity and More ❯
Infrastructure Support (CIS) team within Network Operations The team is responsible for providing 3rd Line support for the platforms within our control with a focus on Cisco, Fortinet and F5 technologies . (We are looking for candidates with at least 2 of these core technologies) You will be responsible and accountable for supporting the Core Data Centre technologies (Routing … authentic self throughout your application journey with us. The must haves Extensive experience in supporting Data Centre network infrastructure, Cisco (Nexus Fixed and Modular , ASR, ASA, Firepower, ISR, Catalyst), F5 (LTM, GTM, AFM, AWAF) and Fortinet. Operating, configuring and troubleshooting NXOS, IOS XE/XR, F5 TMOS operating systems, FortiOS Strong understanding of the majority of the following … L2/L3 Switching and the OSI model. Certifications or suitable real-world experience to cover one or more of the below: Cisco, CCNP Data Centre , Cisco CCNP Security F5 Technical Certified Technical Specialist in one or more tracks, LTM, DNS, ASM or APM Fortinet NSE Certifications in one or more areas The other stuff we are looking for More ❯
must be willing and able to support all shift patterns as required. Key Responsibilities: Lead and manage enterprise network operations, ensuring high availability and security Configure, manage, and troubleshoot F5 LTM (Local Traffic Manager) Operate and optimize Akamai CDN and security solutions Administer Fortinet Fortigate firewalls and FortiManager Manage Juniper SRX firewalls and Juniper switches Implement and support Cisco … network monitoring and management tools (e.g., SolarWinds, Wireshark, SNMP-based tools) Essential Skills & Experience: 5 7 years of hands-on experience in enterprise network engineering Strong operational experience with F5 LTM, Akamai CDN/security, Fortinet Fortigate, Juniper SRX, Cisco ISE, and Cisco Nexus 7000 Proven expertise in ACLs, network segmentation, and perimeter defence Deep understanding of Layer More ❯
Role : Network engineer Type of employment : Fixed Term contract 5 -7 years of hands-on experience in enterprise network engineering. Strong knowledge and operational experience with: F5 LTM (Local Traffic Manager) Akamai CDN and security solutions Fortinet Fortigate firewalls and FortiManager Juniper SRX firewalls and Juniper switches Cisco ISE for RADIUS and network access control Cisco Nexus 7000 series More ❯
service provider and enterprise routing protocols L2 and L3 network design, operations, and troubleshooting WAN Routing and traffic engineering Strong familiarity with major network vendors, such as Cisco, Juniper, F5 and Fortinet Strong knowledge of SNMP, NTP, TACACS+, SYSLOG and other standard network protocols The other stuff we are looking for Automation e.g. YANG, Openconfig, NETCONF, RESTCONF, Ansible, Python More ❯
established global IT and Digital transformation consultancy for an end client in the Telecoms domain. Key Skills and experience: Strong network security skill set including Checkpoint firewalls (NGFW) and F5 load balancers (BIG-IP) Proficient in configuring, managing, and troubleshooting Checkpoint firewalls and security policies Hands-on experience with F5 BIG-IP for load balancing, application delivery, and More ❯
vendors, and internal teams. Required Skills & Experience: 5+ years of hands-on experience in enterprise network engineering. Proven experience managing technical projects in complex environments. Strong operational knowledge of: F5 LTM (Local Traffic Manager) Akamai CDN and security solutions Fortinet Fortigate firewalls and FortiManager Juniper SRX firewalls and Juniper switches Cisco ISE for RADIUS and network access control Cisco More ❯
Exchange ULL COLO network setup Strong experience working in an Ultra Low Latency environment CCNP/CCIE certification or to that technical level Check Point CCSA/CCSE Arista F5 Market data experience Experience in Exchange/Client on-boarding This role is suitable for a Cisco certified Network Engineer who has at least 5-6 years of working … Office suite and Visio Good customer facing skills with the ability to keep the customer informed at all times and understand their requirements Good understanding of Load Balancing technologies (F5 preferred) Training CACI Network Services develops individuals through a portfolio of training and development options such as certified training courses, workshops, technical conferences, boot camps, on-line training and More ❯
Exchange ULL COLO network setup Strong experience working in an Ultra Low Latency environment CCNP/CCIE certification or to that technical level Check Point CCSA/CCSE Arista F5 Market data experience Experience in Exchange/Client on-boarding This role is suitable for a Cisco certified Network Engineer who has at least 5-6 years of working … Office suite and Visio Good customer facing skills with the ability to keep the customer informed at all times and understand their requirements Good understanding of Load Balancing technologies (F5 preferred) Training CACI Network Services develops individuals through a portfolio of training and development options such as certified training courses, workshops, technical conferences, boot camps, on-line training and More ❯
Office suite and Visio Good customer facing skills with the ability to keep the customer informed at all times and understand their requirements Good understanding of Load Balancing technologies (F5 preferred More ❯
virtual system provisioning, switch buildouts, patching, and operational administration. Implement new VXLAN EVPN fabric networks, ensuring robust and scalable network architecture. Provision and onboard new Palo Alto firewalls and F5 load balancers into the VXLAN EVPN fabrics. Perform detailed environment analysis and maintain comprehensive documentation aligned to VXLAN design. Participate in network change management activities including scope determination, pre More ❯
Linux Microsoft Windows Server 2008 R2/2012 Database Management Systems (Oracle, including RAC, and Microsoft SQL Server 2008/2012) Networking (TCP/IP, Cisco IOS and NXOS, F5, MPLS and voice) Firewalls (CheckPoint, Palo Alto and Cisco ASA) Websphere MQ, IIB and Application Server Virtualisation Strong communication and influencing skills are essential as you join this leading More ❯
