technological developments and applications and helps to evaluate vendor products to make recommendations for purchase. Monitor, maintain, troubleshoot, and support firewalls, routers, switches, proxies, VPN, DNS, email, and SD-WAN and cloud routing to include Cisco CSRs; Optimize network performance to achieve the desired QoS and KPIs/Service Levels; Proactively identify issues, monitor capacity/demand … traffic across multiple boundaries to resolve faults; Develop and implement network upgrades, change requests for firewalls, firewall policies, routing, switching, proxy services, VPN, remote access, DNS, mail, SD-WAN and public cloud service deployments (AWS and Azure). Responsible for design, deployment, testing, certification, patching, and addressing interoperability issues for all features, components, and application dependencies. To More ❯
activities, and documenting system performance to ensure continuous function. Demonstrated experience with the following: Design of highly available/high performance/highly scalable redundant networks and ISP management SDWAN implementation IPAM IPv6 design and deployment at the enterprise and data center Implementing Cisco Nexus Dashboard and ACI fabric architectures (VXLAN, Spine-Leaf topology, and APIC controller management) for multi More ❯
networking technologies in addition to ACI is essential e.g: SoftwareDefined Networks such as Cisco MSO (Multi Site Orchestrator), NAE (Network Assurance Engine), ACI Anywhere; SDWAN e.g. Cisco vManage; SD Access … e.g. DNAC, APIC EM, Cisco ISE. Automation/Orchestration: Network stack integration, Terraform, Ansible, Python, JSON, APIs. Security products e.g. Firewalls: Cisco (+Firepower Threat Defense), FortiGate, Fortinet SD-WAN solution. VMware NSX and other NFV products. Tooling e.g. Cisco Tetration, Solarwinds, CA Additional experience with load balancers, hardware proxy devices, IDS/AV, and Voice technologies would More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Capgemini
networking technologies in addition to ACI is essential e.g: SoftwareDefined Networks such as Cisco MSO (Multi Site Orchestrator), NAE (Network Assurance Engine), ACI Anywhere; SDWAN e.g. Cisco vManage; SD Access … e.g. DNAC, APIC EM, Cisco ISE. Automation/Orchestration: Network stack integration, Terraform, Ansible, Python, JSON, APIs. Security products e.g. Firewalls: Cisco (+Firepower Threat Defense), FortiGate, Fortinet SD-WAN solution. VMware NSX and other NFV products. Tooling e.g. Cisco Tetration, Solarwinds, CA Additional experience with load balancers, hardware proxy devices, IDS/AV, and Voice technologies would More ❯
Birmingham, Staffordshire, United Kingdom Hybrid / WFH Options
Capgemini
networking technologies in addition to ACI is essential e.g: SoftwareDefined Networks such as Cisco MSO (Multi Site Orchestrator), NAE (Network Assurance Engine), ACI Anywhere; SDWAN e.g. Cisco vManage; SD Access … e.g. DNAC, APIC EM, Cisco ISE. Automation/Orchestration: Network stack integration, Terraform, Ansible, Python, JSON, APIs. Security products e.g. Firewalls: Cisco (+Firepower Threat Defense), FortiGate, Fortinet SD-WAN solution. VMware NSX and other NFV products. Tooling e.g. Cisco Tetration, Solarwinds, CA Additional experience with load balancers, hardware proxy devices, IDS/AV, and Voice technologies would More ❯
Woking, Surrey, United Kingdom Hybrid / WFH Options
Capgemini
networking technologies in addition to ACI is essential e.g: SoftwareDefined Networks such as Cisco MSO (Multi Site Orchestrator), NAE (Network Assurance Engine), ACI Anywhere; SDWAN e.g. Cisco vManage; SD Access … e.g. DNAC, APIC EM, Cisco ISE. Automation/Orchestration: Network stack integration, Terraform, Ansible, Python, JSON, APIs. Security products e.g. Firewalls: Cisco (+Firepower Threat Defense), FortiGate, Fortinet SD-WAN solution. VMware NSX and other NFV products. Tooling e.g. Cisco Tetration, Solarwinds, CA Additional experience with load balancers, hardware proxy devices, IDS/AV, and Voice technologies would More ❯
uptime Support, maintain and configure Cisco and Meraki networking gear across switches, routers, and wireless systems Manage Palo Alto firewalls, including monitoring, change control, and troubleshooting Assist with SD-WAN deployments and hybrid network integration (Silver Peak, Aruba or equivalent) Participate in DR testing, scheduled maintenance events, and infrastructure lifecycle management Create and maintain accurate documentation of … Linux systems from a network troubleshooting perspective Strong analytical and troubleshooting skills with a detail-oriented mindset Familiarity with AWS or Azure networking principles (Preferred) Exposure to SD-WAN solutions (e.g. Silver Peak, Aruba) (Preferred) Industry certifications such as CCNA, CCNP, or Network+ ... More ❯
Ashburn, Virginia, United States Hybrid / WFH Options
Telos Corporation
Demonstrated technical team leadership experience. Demonstrated experience working within the Agile framework. Prior experience with designing, deploying, testing, implementing, and migrating network infrastructure. Hands on experience with SD-WAN technologies (e.g. Cisco, VERSA, Juniper, etc.). Extensive knowledge/experience of large-scale WAN, MPLS, routing protocols (BGP, OSPF, EIGRP, ISIS), and internet technologies. Strong campus More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Techfellow Limited
uptime Support, maintain and configure Cisco and Meraki networking gear across switches, routers, and wireless systems Manage Palo Alto firewalls, including monitoring, change control, and troubleshooting Assist with SD-WAN deployments and hybrid network integration (Silver Peak, Aruba or equivalent) Participate in DR testing, scheduled maintenance events, and infrastructure lifecycle management Create and maintain accurate documentation of … Linux systems from a network troubleshooting perspective Strong analytical and troubleshooting skills with a detail-oriented mindset Familiarity with AWS or Azure networking principles (Preferred) Exposure to SD-WAN solutions (e.g. Silver Peak, Aruba) (Preferred) Industry certifications such as CCNA, CCNP, or Network+ ... More ❯
Derby, Derbyshire, United Kingdom Hybrid / WFH Options
risual Limited
network. Experience working with core and edge infrastructure across data centres and PoPs. Hands-on experience with Juniper (MX, EX, SRX), Cisco, and Fortinet platforms. Comfortable with firewalls, SD-WAN (especially Fortinet), and multi-tenant network security. Exposure to automation tooling and scripting (Ansible, Python) beneficial. Certifications (or demonstrable technical capability equivalent to certification level) Juniper JNCIS More ❯
Wakefield, Yorkshire, United Kingdom Hybrid / WFH Options
risual Limited
network. Experience working with core and edge infrastructure across data centres and PoPs. Hands-on experience with Juniper (MX, EX, SRX), Cisco, and Fortinet platforms. Comfortable with firewalls, SD-WAN (especially Fortinet), and multi-tenant network security. Exposure to automation tooling and scripting (Ansible, Python) beneficial. Certifications (or demonstrable technical capability equivalent to certification level) Juniper JNCIS More ❯
requirements for the IT Network Engineer Staff IV include : 15 years of professional experience Cisco CCNP or CCIE Certification Experience troubleshooting and configuration of Cisco IWAN or SD-WAN designs. Experience working and troubleshooting EIGRP and BGP routed network deployments. How You Can Stand Out It would be impressive if you have one or more of More ❯
and Switching Switching Protocols - Spanning Tree, Port Channels Network monitoring, NetFlow, capacity management Packet Broker - Gigamon Experience with - (ISR/ASR/Nexus/Catalyst), wireless, ACI, Meraki, SDWAN, ISE About Columbia Threadneedle Investments Working at Columbia Threadneedle Investments you'll find growth and career opportunities across all of our businesses. We're intentionally built to help you succeed. More ❯
Water's critical infrastructure. What you'll do as a Network Security Manager Network Security Management: Maintain oversight of IT and OT network systems, including VPNs, SDWAN, and firewalls. Ensure all network security services are fit for purpose and aligned with business outcomes. Approve and manage all changes affecting the network threat surface. Governance & Compliance … CCSE, CCSA or equivalent experience. Proficiency in Layer 2/3 technologies (VLAN, RSTP, BGP, MRP) across vendors (Cisco, Meraki, Belden, Fortinet). Experience with network edge security (SDWAN, IPSEC) using tools like Cisco ISE, CheckPoint, and Umbrella. Higher education qualification or equivalent experience in engineering. Skills in stakeholder management, communication, and strategic decision-making. Desirable Experience: Previous experience More ❯
BGP, OSPF & EIGRP), data center, wireless, firewalling, VPN, QoS, & MPLS Proficient in IOS, IOS-XE and NX-OS Strong knowledge of routers, Catalyst/Nexus switches, wireless solutions, SD-WAN, and Next Gen Firewalls Experience in creating and defining new network architectures and explaining complex issues/situations Ability to explore new ideas and make innovative contributions More ❯
to monitor capacity and implement network optimizations Desired Qualifications: Experience deploying and operating DoD/Federal networks Understanding of wireless LAN technologies and mobility architectures Knowledge of SD-WAN, network virtualization and load balancing solutions Possession of security certifications like CCNP Security or JNCIS-SEC Familiarity with network programming languages like Python, Go, etc. Requirements More ❯
to support a variety of network technologies to include, but not limited to, Cisco routing/switching, F5 GTM/LTM load-balancing, Palo Alto firewalls, Cisco SD-WAN powered by Viptela. The ideal candidate will be able to support solution designs and implementations, technology refresh projects, cloud integration and migration projects, and tier 3 and … least 4 years of experience with Cisco technologies to include (routing and switching) and firewall technology (e.g., ISR, ASR, CSR, ASA, Nexus, TACACS/ISE) Demonstrated experience using SD-WAN technologies, specifically Cisco SD-WAN powered by Vipleta. Strong knowledge of routing protocols (e.g., BGP, EIGRP, OSPF) and network protocols (e.g., TCP/IP, GRE … to support a variety of network technologies to include, but not limited to, Cisco routing/switching, F5 GTM/LTM load-balancing, Palo Alto firewalls, Cisco SD-WAN powered by Viptela. The ideal candidate will be able to support solution designs and implementations, technology refresh projects, cloud integration and migration projects, and tier 3 and More ❯
e.g., QoS, BGP, OSPF, HSRP, 802.11, 802.1x, IPSEC). Hands-on experience with monitoring, network diagnostic, and network analytics tools including Cisco ThousandEyes. Knowledge of Cisco SD-WAN, SD-Access, Catalysts Center and ISE a plus Network firewall policy administration a plus Hands-on experience of automation/scripting and configuration management tools such More ❯
Plymouth, Devon, United Kingdom Hybrid / WFH Options
ISR RECRUITMENT LIMITED
Local Government and Healthcare, empowering them to do more through shared innovation and scalable services. Our client are also transforming their wideareanetwork with SD-WAN (FortiGate) and leveraging the full SolarWinds stack for modern network orchestration as they build a faster, smarter and more resilient network, your expertise will be instrumental … Proven experience as a Network Architect or Senior Network Engineer in enterprise or MSP settings. Strong knowledge of Border Gateway Protocol (BGP), LAN/WAN, SD-WAN, Wi-Fi and cloud networking (especially Azure). Deep expertise with Cisco, Fortinet, Meraki and ideally some Palo Alto and Aruba. Understanding of network security frameworks (ISO More ❯
Employment Type: Permanent
Salary: £55000 - £65000/annum (plus company benefits & bonuses)
e.g., QoS, BGP, OSPF, HSRP, 802.11, 802.1x, IPSEC). Hands-on experience with monitoring, network diagnostic, and network analytics tools including Cisco ThousandEyes. Knowledge of Cisco SD-WAN, SD-Access, Catalysts Center and ISE a plus Network firewall policy administration a plus Hands-on experience of automation/scripting and configuration management tools such More ❯
e.g., QoS, BGP, OSPF, HSRP, 802.11, 802.1x, IPSEC). Hands-on experience with monitoring, network diagnostic, and network analytics tools including Cisco ThousandEyes. Knowledge of Cisco SD-WAN, SD-Access, Catalysts Center and ISE a plus Network firewall policy administration a plus Hands-on experience of automation/scripting and configuration management tools such More ❯