1 to 25 of 57 Network Virtualisation Jobs in the UK

Overview We seek a highly skilled and experienced Senior Network Engineer to oversee and maintain our organization's global network infrastructure. As a Senior Network Engineer Manager, you will be responsible for designing, implementing, and managing our network systems to ensure efficient and reliable connectivity. You will also troubleshoot network issues, managing network security, and implementing network upgrades. The ideal candidate should possess strong technical knowledge, excellent problem-solving skills. The candidate must be able to support a Global 24x7 operation. Responsibilities To ensure optimal performance and reliability, develop and implement network designs, including topology, protocols, and network security measures. … Regularly monitor network systems and proactively identify and resolve network issues to minimize downtime and ensure smooth operations. Implement and maintain network security measures, such as firewalls, switches, routers, load balancers, intrusion detection systems, and access controls, to protect sensitive company data from unauthorized access and cyber threats. Assess network performance, identify More ❯

SENIOR NETWORK ENGINEER - DV CLEARED BRAND NEW PERMANENT OPPORTUNITY FOR A SENIOR NETWORK ENGINEER TO JOIN AN EXCITING TECH TEAM IN A SECURE ENVIRONMENT Permanent position available for a Senior Network Engineer DV clearance required Aldershot-based opportunity with hybrid working (~3 days on site) Salary up to £65,000 Work on advanced networking … software-defined) Encrypted or classified network solutions Automation tools or scripts (Ansible, Terraform etc.) Non-traditional or open networking hardware VMware NSX or similar network virtualisation technologies Cisco certifications or similar hands-on experience TO BE CONSIDERED.... Please either apply by clicking online or emailing . For further details call or - I'm happy to …/INFRASTRUCTURE/ROUTING/FIREWALL/NETWORK SECURITY/LAN/WAN/NETWORK AUTOMATION/DV CLEARED/NSX/NETWORK VIRTUALISATION/SECURE NETWORKS More ❯

days ago Be among the first 25 applicants Job Title: Senior Telecoms Network Design Architect Location: Hybrid working London or Reading | Type: Contract (6 months initially) | Rate : 600 per day Outside Role Overview: We are seeking a highly experienced Telecoms Network Infrastructure Architect with deep expertise in, Telecoms infrastructure, data centre networking , and cloud-native … technologies . The successful candidate will design, implement, and support complex, scalable, and secure telecoms infrastructure solutions across data centre and cloud environments, with a strong focus on automation, virtualisation, and software-defined networking. Key Responsibilities: Design and implement data centre fabric architectures (Clos, VXLAN, EVPN, multi-domain routing, DCI, anycast, micro-segmentation). Develop and support SDN solutions … and service provider architectures . Strong experience in Kubernetes , Linux networking , and container networking interfaces (CNIs). Hands-on skills in SDN overlays (VXLAN/Geneve) , network virtualisation, and service chaining. Familiarity with eBPF , telemetry , firewalling , and protocol-aware services (eg, ALGs). Strong Scripting and automation skills: Python, Terraform, Ansible . Desirable but not essential Experience More ❯

work, we address key challenges in health, energy, security, telecommunications, and sustainability, driving economic growth and enhancing quality of life. We're seeking a talented and experienced Senior Network Engineer to join our growing Technical Operations team. The primary focus of the role is network engineering, with a secondary requirement to provide on-premises infrastructure support. … The ideal candidate will have extensive experience in managing and supporting complex network environments and ideally have some experience of working in a hybrid network role. The role offers exposure to a wide range of technologies across networks, physical infrastructure, and cloud computing. It will be instrumental in ensuring that the critical technical systems supporting the … essential work our scientists do are maintained to a high standard. Key responsibilities: Design, implement, and manage on-premises network infrastructure primarily based on Alcatel-Lucent network switches and Wireless Access Points Configure and maintain Fortinet firewalls to ensure network security Monitor, manage, and maintain network performance and troubleshoot issues to ensure More ❯

Engineer you will provide, support, maintain and optimise an on-premises and cloud-based IT infrastructure, with a focus on ensuring the stability, availability and security of the network servers and systems that support business operations. The role blends technical expertise with problem-solving to maintain and improve the efficiency of the IT environment. The ideal candidate for … the role of IT Infrastructure Engineer will have: - Appropriate technical qualifications e.g. Microsoft certification, including MS Certified Azure Administration, Cisco Certified Network Association (CCNA), VMware Certified Professional (VCP), Microsoft Certified Windows Server - Knowledge and experience of Network protocols - DNS, VPN, Network devices - routers, switches, network segmentation, and VPN configurations for remote access … Skills in network troubleshooting and monitoring tools - e.g. SolarWinds - Proficiency in managing and configuring Windows Servers and Linux-based systems - Experience with Active Directory, DNS, DHCP, and domain administration - Knowledge of server virtualization platforms, such as VMware, Hyper-V for managing virtual machines - Ability to handle server backups, storage management (SAN/NAS), and recovery tasks - Deep understanding More ❯

and applications. We are seeking an experienced Network Engineer with expertise in Cisco hardware switches and BIG IP F5 Load Balancers. You will work closely with our virtualisation Network engineer within a Hyperconverged Infrastructure environment (HCI). The ideal candidate will possess strong technical skills within a scalable environment and demonstrate the ability to design … offer great career progression opportunities, benefits which you can flex to meet your needs and training and development opportunities. What you'll be doing: Design, implement, and maintain network solutions using Cisco and BIG IP F5 technologies within hyper-converged infrastructure environments. Lead the deployment and configuration of Cisco components, including logical networking, and load balancers. Perform capacity … planning and scalability assessments to ensure network infrastructures can support current and future growth requirements. Maintain accurate and up-to-date documentation of network designs, configurations, change records, and operational procedures. What you’ll bring: Cisco Switches. BIG IP F5 Load Balancers. Current SC Clearance. It would be great if you had: Software-Defined WAN (SD More ❯

Builds Trust If our mission, values, and purpose align with your own, we would love to hear from you! Your opportunity Design and operate Cisco ACI infrastructure Automate network tasks and processes using Python, Ansible, and Terraform Design, implement and maintain the company's network infrastructure, including Cisco IOS-XE routers and switches, Cisco Nexus datacenter … Controllers Configure and manage Palo Alto firewalls, including Panorama, and ensure that security policies are up to date and aligned with industry and internal standards Implement and manage network access control using Cisco ISE for 802.1x and TACACS Manage F5 Big-IP load balancers to ensure high availability and performance of critical applications Maintain and troubleshoot BGP and … OSPF routing protocols and participate in the design and implementation of routing and switching solutions Monitor the network using SolarWinds network monitoring solutions and take proactive measures to prevent network outages and performance issues Manage Wi-Fi in a large office environment and ensure that wireless network performance meets business requirements Configure More ❯

Azure and/or GCP and/or AWS migration solutions Server Platforms (Windows, Linux and UNIX) Virtualization Infrastructures (VMWare, Hyper-V etc.) Understanding of up-to-date Network architecture concepts and system integration principles including high-end routers/switches, Network & Security, Network Virtualization, Cloud Network Deployments, and other related infrastructure More ❯

Network Architect - Fortinet | Retail | Hybrid (Leeds 2x/week) | Up to £90,000 We're working with a rapidly growing, fast-paced retail organisation based in Leeds that’s undergoing a major transformation across its technology landscape. As they continue to scale, they’re looking to appoint an experienced Network Architect to lead the design and … evolution of their network infrastructure. This is a fantastic opportunity for a strategic thinker with deep technical expertise to shape the future of the business's network architecture and contribute to critical infrastructure projects. What You’ll Be Doing: As Network Architect, you'll take ownership of the end-to-end design and strategy … of the network environment. Working closely with infrastructure, security, and cloud teams, you’ll deliver secure, scalable, and resilient network solutions that support business growth and modernisation. Key responsibilities include: Designing and implementing high-level and low-level network architecture (HLD/LLD) Leading the definition of network strategy , standards, and best More ❯

policies. Experience with application deployment, device encryption, and monitoring/reporting. Integration with Defender for Endpoint and Microsoft Purview (optional but beneficial). Networking & Firewalls : Strong understanding of network fundamentals: IP addressing, subnets, VLANs, NAT, DNS, DHCP. Configuration and deployment of firewalls (e.g., Cisco ASA, Fortinet, Ubiquiti), including site-to-site VPNs, remote access VPNs, and secure segmentation. More ❯

our enterprise workloads. Responsibilities Deploy, and maintain Azure-based infrastructure solutions (IaaS, PaaS, and hybrid environments) Implement and manage virtual networks, VPNs, firewalls, load balancers, and other Azure network components Configure and monitor Azure services such as VMs, Azure Storage, Azure Monitor, Key Vault, and Azure Backup Ensure compliance with security policies, governance frameworks, and cost optimization strategies More ❯

trends to recommend improvements. Required Skills & Experience: Proven experience with Terraform for infrastructure automation in production environments. Strong hands-on experience with Microsoft Azure services (e.g., Azure Virtual Network, Azure Kubernetes Service, Azure DevOps, Azure Monitor). Solid understanding of networking, identity and access management (IAM), and security best practices in cloud environments. Experience in regulated industries, preferably More ❯

function is responsible for activities related to the strategic direction and control of all information systems and technology capabilities, both internally and externally, including system design and programming, network planning, budget planning, database management, and computer operations. The Telecommunications & Network Administration focus lies within our Technology Infrastructure area, and specialises in coordinating data, voice, and/… or network communications with business units and systems management, as well as vendors and/or consultants. About The Role We are looking for a Network Support Analyst to join our UK-based team in London. You will help support our global network infrastructure, handling both BAU issues and provide support for projects. Ideal … Enterprise Services department. Therefore, it is essential that you can establish strong connections with other technical team members in IT and the desktop support teams. Key Responsibilities Provide network support for Aberdeen's global network and Cloud environments. Configure and deploy both physical and virtual network devices and services. Perform network maintenance More ❯

remote client Pre-Sales activities & consulting projects covering enterprise servers, storage, and networking technologies in addition to at least three or more of the following disciplines: Server, Storage & Network Virtualization & Consolidation (focused primarily on HPE Solutions, but other OEM experience is a plus) VMware, Microsoft End User Computing: Virtual Desktop Infrastructure and Mobile Device Management Citrix XenDesktop, VMware More ❯

NSGs, Firewalls, and Availability Zones. Manually provision Azure resources such as VMs, SQL Databases, Storage, and Application Gateways. Maintain and monitor infrastructure using Azure Monitor, Log Analytics, and Network Watcher. Perform regular patching, updates, and incident response across cloud-based environments. Implement RBAC, Azure AD role management, and enforce security compliance via Azure Policy and Defender for Cloud. More ❯

Job Title: L2/L3 Network Engineer – AI Datacentre Location: UK & Europe Based Salary/Rate: £450 - £600 Reports To: Network Operations Lead/Infrastructure Manager About the Role We are seeking an experienced Level 2/Level 3 Network Engineer to join our high-performance infrastructure team supporting AI datacentre operations . You … will play a key role in maintaining, troubleshooting, and optimising complex network environments that power high-density GPU compute clusters, distributed AI workloads, and real-time data processing. This role blends classic networking with the unique demands of high-throughput, low-latency infrastructure found in cutting-edge AI data centres. Key Responsibilities Configure, manage, and troubleshoot Layer … and Layer 3 network infrastructure across AI/hyperscale datacentres. Configure and deploy spine-leaf switches (Cisco, Arista, Juniper) Support deployment and scaling of high-speed (10/40/100/400GbE) networks including spine-leaf architectures. Monitor and maintain physical and virtual network environments using network monitoring and management tools (e.g., SolarWinds More ❯

this job matters As a Technical Designer at BT, your primary role is to design and deliver solutions tailored to the needs of our external customers, specializing in network, voice, or contact centre solutions. Collaborating within a global team, you'll lead medium to large designs and may even take on the role of a design lead, influencing … Implementation of Cisco WAN/LAN • Cisco Switching & Routing (BGP & OSPF) • Tunnel (GRE & IPSec) Tunnel technologies • Ideally the specific platforms of Cisco 8000v, 9500, 8300 & 8500 • Network Virtualisation and Cloud Networking At BT, we entertain, educate, and empower millions of people every single day. We're a brand built on connecting people - whether that's friends, family More ❯

NETWORK ENGINEER - DV CLEARED PERMANENT OPPORTUNITY FOR A NETWORK ENGINEER TO JOIN A TECHNICAL TEAM IN A SECURE ENVIRONMENT Permanent role for a Network Engineer DV clearance required Based in Aldershot with hybrid working (~3 days per week on site) Salary from £40,000 to £55,000 Work on secure, high-impact infrastructure ABOUT … THE ROLE We're looking for a DV Cleared Network Engineer to join a dedicated team working on critical national infrastructure projects. You'll help support and enhance secure network environments in a hands-on capacity, combining day-to-day troubleshooting with the opportunity to contribute to new deployments, testing, and continuous improvements. It's a … to-day performance, reliability and security of secure networks Working with a range of networking technologies including routers, firewalls and switches Contributing to the design and implementation of network changes and upgrades Assisting with configuration, monitoring, fault resolution and testing Collaborating with engineers across platforms, infrastructure and security WHAT WE'RE LOOKING FOR Experience supporting enterprise networks across More ❯

technologies Knowledge and implementation experience designing and developing solutions using VMware's Core Cloud Infrastructure Required Azure VMware Solution Required VMware vSphere 60 and above Required VMware NSXT network virtualization technologies NSX edge services, DNS, DHCP, Gateway Firewall, Distributed Firewall NSX implementation NSX migration from VLAN or NSXv Required VMware vSAN Required VMware HCX Advanced Enterprise Preferred VMware … Azure Virtual WAN and Azure Route Server Preferred Azure Disk Pools and Azure NetApp Files Preferred Azure Monitoring and Security technologies: Monitor Arc Security Center Preferred 3rd party network virtual appliances, firewalls, load balancers, and routers for Azure and VMware environments Experience and good understanding of any leading cloud management systems and solutions Strong core platform architecture concepts More ❯

as electricity. If you'd like to build the world's best deep learning cloud, join us. What You'll Do Help scale Lambda's high performance cloud network Contribute to the reproducible automation of network configuration and deployments Contribute to the implementation and operations of Software Defined Networks Help to deploy and manage Spine and … Leaf networks Ensure high availability of our network through observability, failover, and redundancy Ensure clients have predictable networking performance through the use of network engineering and other applicable technologies Help with deploying and maintaining network monitoring and management tools You Have 5+ years of experience being SWE, SRE or Network Reliability Engineering … center networks and hybrid cloud networks Have Python programming experience and configuration management tools like Ansible Have experience with CI/CD tools for deployment and GIT. Operated network environment with GitOps practices in place. Experience with application lifecycle and deployments on Kubernetes Nice To Have Operated production-scale SDNs in a cloud context (e.g. helped implement or More ❯

build real world value. THE WORK: Ripple is reshaping the way the world sees financial transactions, and our IT backbone is crucial to this vision! As a Staff Network Engineer with 8-10 years of deep technical expertise, you'll spearhead the development, optimization, and maintenance of our expansive corporate network infrastructure. This role is integral … to ensuring our global operations are seamless, secure, and scalable. You will collaborate with multi-functional teams, including Engineering and Information Security, to architect a robust network that supports Ripple's innovative platform. WHAT YOU'LL DO: Lead design, implementation, and refinement of Ripple's global network infrastructure, including on-premise and AWS solutions, VPN configurations … and network virtualization. Provide technical leadership and innovative solutions for complex challenges. Engineer and refine network monitoring systems to ensure optimal performance and reliability. Collaborate with the Information Security team to fortify network against threats and ensure compliance. Spearhead initiatives to enhance network efficiency, reduce downtime, and support scalability. Provide advanced training More ❯

We are seeking a skilled Azure Cloud DevOps Engineer to join our team. The ideal candidate will have a strong background in DevOps practices, cloud solutions, and network engineering in Microsoft Azure. This role involves maintaining and developing a cloud environment that hosts mission critical financial services applications used across Australia and New Zealand. This role is pivotal … ease. Provide expertise in Cloud Solutions, including deployment pipelines, automation, virtual machines, Azure PaaS services. Investigate identified security vulnerabilities and implement technical solutions to resolve them. Apply approved network changes in the cloud environment, including provisioning and changes to Network Security Groups, subnets, virtual networks and firewall rules. Collaborate with other engineers to ensure consistency, efficiency … in Dublin, Ireland. Learn more at Experience and Skills Experience: At least 7+ years of experience working in Microsoft Azure. Intermediate to advanced knowledge of Azure, including Terraform, Network Security Groups, Entra ID, and Azure Storage. Desirable, but not essential: Experience working with Checkpoint firewalls. Qualifications: Mandatory: Holds a tertiary education degree in Computer Science, Information Technology, or More ❯

Role and Responsibilities: Consult with Persistent clients to build and architect new solutions, data center migrations, and scaling their adoption of Microsoft Azure. Review and evaluate architectures of existing systems and software products to identify reuse and platforming opportunities as More ❯

currently recruiting an exciting opportunity on our IT Infrastructure team. As we continue our IT transformation journey towards cloud based solutions, we are looking to bring in a Network Specialist who will be able to bring their experience to the role and support the business on this journey. The Role This role will involve supporting, managing, monitoring and … department. The successful individual will specialise in networking ensuring the infrastructure runs smoothly, securely and efficiently to support the organisations goals and objectives. Responsibilities include Design and deploy network solutions including LANs, WANs, WLAN and SD-WAN Solutions both on premise and within cloud infrastructure. Troubleshooting network issues and performing regular maintenance and upgrades. Configure network security measures, including setting up firewalls, VPNs, policy-based routing and zero trust network security principles. Documenting network set-ups, operational procedures and troubleshooting guides. Managing the capacity and performance of the infrastructure in line with business demands and raising proposals for improvement. Acting as a technical escalation point within the IT department and More ❯

Network Installation Engineer - Must have an Active DV Clearance We are looking for an experienced Network Installation Engineer to join a high-performing team delivering secure network solutions within the Defence and National Security sector. This is a hands-on role where you will work across complex and high-security environments, taking ownership of … network design, configuration, and implementation. You'll play a key role throughout the full delivery lifecycle - from surveys and designs to implementation, troubleshooting, and handover into service. What you'll be doing: Working closely with technical teams to understand and deliver project requirements Conducting on-site surveys and supporting the creation of physical network designs Producing … logical network designs, Bills of Materials, Build Guides, and Work Instructions Configuring and implementing both physical and virtual network infrastructure Troubleshooting and resolving technical issues, providing 3rd line support where needed Supporting live implementations and ensuring smooth service handover Maintaining accurate network configuration documentation Collaborating effectively with internal teams, stakeholders, and customers What we More ❯