1 to 25 of 169 Load Balancing Jobs in the UK

Engineer to build, secure, and evolve a global enterprise network. Your mission: strengthen the perimeter and application delivery layers—designing resilient, high-performing infrastructures across firewalling, proxy, DNS, and load balancing domains. Mission Objectives Design and implement new network security and traffic management solutions across global sites. Modernise and standardise firewall, proxy, and load balancing architectures … teams to deliver end-to-end service integrity. Produce technical standards and runbooks for global rollout and support transition. Technical Environment Firewalls: Palo Alto, Fortinet, Check Point, Cisco ASA Load Balancing: F5 LTM/GTM (HA, GSLB, health checks, persistence) DNS & Proxy: Infoblox, Bluecoat, Zscaler or equivalent enterprise stack Routing/Switching: Cisco Catalyst, Nexus (OSPF, BGP, VRF … Monitoring & Tooling: ServiceNow, Zabbix, Centreon, Nagios Profile 7+ years’ experience in network & security engineering within large-scale production environments. Strong expertise in firewall, proxy, DNS, and load balancing configuration and lifecycle management. Proven ability to design and implement resilient network security architectures. Excellent troubleshooting and communication skills—comfortable working across teams and under pressure. More ❯

Contract F5 Operations Load Balancing Engineer - Investment Banking - LTM/GTM/Troubleshooting/Proxy The role is within the EMEA Network Engineering team, working on complex technical designs that enable business strategies in accordance with architectural governance, standards and policies. This job facilitates deployment of technical solutions by designing, engineering and implementing configuration across EMEA network infrastructure. … services into production Assisting with the troubleshooting of existing and new implementations to resolve issues identified in testing and improve services. Desired Skills Proven experience (5+ years) as a Load Balancing Network Engineer. Proven experience (5+ years) of working with F5 DNS(GTM) Knowledge and experience of working with multiple F5 Modules: LTM, GTM, APM, ASM, SSLO Knowledge … and experience of working with virtual Load Balancers and the supporting infrastructure Knowledge and experience of working with FIPS modules Ability to base build and configure Load Balancers to given standards Knowledge and experience of working with VMware Next Gen Load Balancer (AVI Networks) Knowledge and experience of working with and creating automation scripts Strong DMZ architecture More ❯

Platform Engineer to join a growing Platform Engineering team. You will play a key role in designing, implementing, and maintaining cloud infrastructure, with a focus on network architecture, cloud load balancing, and high availability. Reporting to the Head of Platform, you will collaborate with senior technical leaders to ensure the stability, scalability, and security of our systems across … maintain secure, scalable, and resilient cloud infrastructure within Microsoft Azure. Develop and manage network architecture, including virtual networks, subnets, routing, VPNs, and network security groups. Implement and optimize cloud load balancing solutions to ensure availability, performance, and fault tolerance. Automate infrastructure deployment using Infrastructure as Code (IaC) tools such as Terraform or Azure Resource Manager (ARM) templates. Collaborate … a strong focus on Microsoft Azure. Solid understanding of networking concepts including TCP/IP, DNS, firewalls, routing, and VPNs. Experience configuring and managing Azure networking components, Application Gateways, Load Balancers, and related services. Experience with CI/CD concepts and pipelines in Azure DevOps or GitHub Actions. Proficiency in Infrastructure as Code (IaC) using Terraform or ARM templates. More ❯

Platform Engineer to join a growing Platform Engineering team. You will play a key role in designing, implementing, and maintaining cloud infrastructure, with a focus on network architecture, cloud load balancing, and high availability. Reporting to the Head of Platform, you will collaborate with senior technical leaders to ensure the stability, scalability, and security of our systems across … maintain secure, scalable, and resilient cloud infrastructure within Microsoft Azure. Develop and manage network architecture, including virtual networks, subnets, routing, VPNs, and network security groups. Implement and optimize cloud load balancing solutions to ensure availability, performance, and fault tolerance. Automate infrastructure deployment using Infrastructure as Code (IaC) tools such as Terraform or Azure Resource Manager (ARM) templates. Collaborate … a strong focus on Microsoft Azure. Solid understanding of networking concepts including TCP/IP, DNS, firewalls, routing, and VPNs. Experience configuring and managing Azure networking components, Application Gateways, Load Balancers, and related services. Experience with CI/CD concepts and pipelines in Azure DevOps or GitHub Actions. Proficiency in Infrastructure as Code (IaC) using Terraform or ARM templates. More ❯

Platform Engineer to join a growing Platform Engineering team. You will play a key role in designing, implementing, and maintaining cloud infrastructure, with a focus on network architecture, cloud load balancing, and high availability. Reporting to the Head of Platform, you will collaborate with senior technical leaders to ensure the stability, scalability, and security of our systems across … maintain secure, scalable, and resilient cloud infrastructure within Microsoft Azure. Develop and manage network architecture, including virtual networks, subnets, routing, VPNs, and network security groups. Implement and optimize cloud load balancing solutions to ensure availability, performance, and fault tolerance. Automate infrastructure deployment using Infrastructure as Code (IaC) tools such as Terraform or Azure Resource Manager (ARM) templates. Collaborate … a strong focus on Microsoft Azure. Solid understanding of networking concepts including TCP/IP, DNS, firewalls, routing, and VPNs. Experience configuring and managing Azure networking components, Application Gateways, Load Balancers, and related services. Experience with CI/CD concepts and pipelines in Azure DevOps or GitHub Actions. Proficiency in Infrastructure as Code (IaC) using Terraform or ARM templates. More ❯

Platform Engineer to join a growing Platform Engineering team. You will play a key role in designing, implementing, and maintaining cloud infrastructure, with a focus on network architecture, cloud load balancing, and high availability. Reporting to the Head of Platform, you will collaborate with senior technical leaders to ensure the stability, scalability, and security of our systems across … maintain secure, scalable, and resilient cloud infrastructure within Microsoft Azure. Develop and manage network architecture, including virtual networks, subnets, routing, VPNs, and network security groups. Implement and optimize cloud load balancing solutions to ensure availability, performance, and fault tolerance. Automate infrastructure deployment using Infrastructure as Code (IaC) tools such as Terraform or Azure Resource Manager (ARM) templates. Collaborate … a strong focus on Microsoft Azure. Solid understanding of networking concepts including TCP/IP, DNS, firewalls, routing, and VPNs. Experience configuring and managing Azure networking components, Application Gateways, Load Balancers, and related services. Experience with CI/CD concepts and pipelines in Azure DevOps or GitHub Actions. Proficiency in Infrastructure as Code (IaC) using Terraform or ARM templates. More ❯

Platform Engineer to join a growing Platform Engineering team. You will play a key role in designing, implementing, and maintaining cloud infrastructure, with a focus on network architecture, cloud load balancing, and high availability. Reporting to the Head of Platform, you will collaborate with senior technical leaders to ensure the stability, scalability, and security of our systems across … maintain secure, scalable, and resilient cloud infrastructure within Microsoft Azure. Develop and manage network architecture, including virtual networks, subnets, routing, VPNs, and network security groups. Implement and optimize cloud load balancing solutions to ensure availability, performance, and fault tolerance. Automate infrastructure deployment using Infrastructure as Code (IaC) tools such as Terraform or Azure Resource Manager (ARM) templates. Collaborate … a strong focus on Microsoft Azure. Solid understanding of networking concepts including TCP/IP, DNS, firewalls, routing, and VPNs. Experience configuring and managing Azure networking components, Application Gateways, Load Balancers, and related services. Experience with CI/CD concepts and pipelines in Azure DevOps or GitHub Actions. Proficiency in Infrastructure as Code (IaC) using Terraform or ARM templates. More ❯

complex network infrastructure, primarily focused on A10 Networks Application Delivery Controllers (ADCs) and security solutions. This role demands a hands-on engineer with a solid understanding of high availability, load balancing, and Layer 4-7 traffic management, ideally within secure, mission-critical environments. Key Responsibilities: Configure, deploy, and manage A10 Thunder Series devices (ADC, CGNAT, SSLi, etc.) Perform … working with A10 Networks (Thunder ADC, CGNAT, SSL Insight) In-depth understanding of networking protocols TCP/IP, HTTP/S, DNS, SSL/TLS, BGP, OSPF Experience with load balancing, application delivery, and traffic optimisation Active SC (Security Check) or DV (Developed Vetting) clearance is essential More ❯

complex network infrastructure, primarily focused on A10 Networks’ Application Delivery Controllers (ADCs) and security solutions. This role demands a hands-on engineer with a solid understanding of high availability, load balancing, and Layer 4-7 traffic management, ideally within secure, mission-critical environments. Key Responsibilities: Configure, deploy, and manage A10 Thunder Series devices (ADC, CGNAT, SSLi, etc.) Perform … working with A10 Networks (Thunder ADC, CGNAT, SSL Insight) In-depth understanding of networking protocols – TCP/IP, HTTP/S, DNS, SSL/TLS, BGP, OSPF Experience with load balancing, application delivery, and traffic optimisation Active SC (Security Check) or DV (Developed Vetting) clearance is essential More ❯

complex network infrastructure, primarily focused on A10 Networks’ Application Delivery Controllers (ADCs) and security solutions. This role demands a hands-on engineer with a solid understanding of high availability, load balancing, and Layer 4-7 traffic management, ideally within secure, mission-critical environments. Key Responsibilities: Configure, deploy, and manage A10 Thunder Series devices (ADC, CGNAT, SSLi, etc.) Perform … working with A10 Networks (Thunder ADC, CGNAT, SSL Insight) In-depth understanding of networking protocols – TCP/IP, HTTP/S, DNS, SSL/TLS, BGP, OSPF Experience with load balancing, application delivery, and traffic optimisation Active SC (Security Check) or DV (Developed Vetting) clearance is essential More ❯

even if you're still developing full mastery. Core Skills & Experience Required: Hands-on experience supporting or configuring Proxy platforms (eg McAfee, Skyhigh, Blue Coat) Experience or knowledge of Load Balancing technologies such as F5 BIG IP (LTM/GTM) VMWare Next Gen Load Balancer (formerly AVI Networks) Working knowledge of TCP/IP, HTTP/S … configuration Preferred: Experience building from base and upgrading firmware of Web Proxies Experience of DLP/Malware Protection & Mitigation infrastructure Experience writing or editing iRules, health monitors, or similar load balancing policies Awareness of certificate management, TLS handshake flow, and debugging tools (Wireshark, Fiddler) Contract Role inside IR35 - initial 12 month contract - 3 days a week in office More ❯

Stack Developer: Proven experience in full stack development using C#, .NET, and modern JavaScript frameworks. Strong understanding of web application architecture and high-availability environments. Hands-on experience with load balancing and request routing technologies, ideally NetScaler or similar. Proficiency in managing and deploying web applications across multiple servers. Good knowledge of SQL Server and database performance optimisation. … and maintain scalable web-based applications using C#, .NET, and JavaScript frameworks. Support and enhance the organisation’s high-availability environment, ensuring performance and reliability. Work with NetScaler for load balancing, SSL offloading, and application-level routing logic. Manage and maintain the organisation’s source control systems and version management. Collaborate with internal teams to design, test, and More ❯

Stack Developer: Proven experience in full stack development using C#, .NET, and modern JavaScript frameworks. Strong understanding of web application architecture and high-availability environments. Hands-on experience with load balancing and request routing technologies, ideally NetScaler or similar. Proficiency in managing and deploying web applications across multiple servers. Good knowledge of SQL Server and database performance optimisation. … and maintain scalable web-based applications using C#, .NET, and JavaScript frameworks. Support and enhance the organisation's high-availability environment, ensuring performance and reliability. Work with NetScaler for load balancing, SSL offloading, and application-level routing logic. Manage and maintain the organisation's source control systems and version management. Collaborate with internal teams to design, test, and More ❯

Stack Developer: Proven experience in full stack development using C#, .NET, and modern JavaScript frameworks. Strong understanding of web application architecture and high-availability environments. Hands-on experience with load balancing and request routing technologies, ideally NetScaler or similar. Proficiency in managing and deploying web applications across multiple servers. Good knowledge of SQL Server and database performance optimisation. … and maintain scalable web-based applications using C#, .NET, and JavaScript frameworks. Support and enhance the organisation's high-availability environment, ensuring performance and reliability. Work with NetScaler for load balancing, SSL offloading, and application-level routing logic. Manage and maintain the organisation's source control systems and version management. Collaborate with internal teams to design, test, and More ❯

MPLS, STP, VXLAN, DNS/DHCP). Familiarity with SDN and SD-WAN architectures (Cisco Viptela, Meraki, VMware NSX, Fortinet). Design and implementation experience with VPNs, remote access, load balancing, firewalls, proxies (F5, Palo Alto, Forcepoint, Cisco ASA). Strong knowledge of wireless networking design and optimisation. Security integration: Zero Trust, segmentation, NAC; familiarity with ISO More ❯

and QoS Proficient in BGP, OSPF, EIGRP, MPLS, STP, VXLAN, DNS, DHCP Familiar with SDN and SD-WAN (Cisco Viptela, Meraki, VMware NSX, Fortinet) Experience with VPNs, remote access, load balancing, firewalls, proxy solutions (F5, Palo Alto, Cisco ASA) Skilled in wireless networking design, optimization, troubleshooting Understanding of security integration: Zero Trust, segmentation, NAC Familiar with frameworks: ISO More ❯

deployment and optimisation of SD-WAN and SASE/SSE technologies (e.g., Netskope, Zscaler, Cisco Umbrella). Manage and maintain secure network architectures including firewalls, VPNs, switching, routing, and load balancing (HAProxy). Monitor, analyse, and optimise network performance and security posture. Implement security policies aligned with ISO 27001, NIST, and CIS frameworks. Produce detailed documentation for configurations More ❯

across multiple infrastructure domains including networking, cloud platforms, virtualization, data centre operations, and cybersecurity. A solid understanding of Citrix technologies such as application and desktop virtualisation, session management and load balancing, and Citrix cloud management will be key, alongside key networking technologies such as Cisco LAN/WAN/WIFI and Palo Alto firewalls. There will be a More ❯

across multiple infrastructure domains including networking, cloud platforms, virtualization, data centre operations, and cybersecurity. A solid understanding of Citrix technologies such as application and desktop virtualisation, session management and load balancing, and Citrix cloud management will be key, alongside key networking technologies such as Cisco LAN/WAN/WIFI and Palo Alto firewalls. There will be a More ❯

across multiple infrastructure domains including networking, cloud platforms, virtualization, data centre operations, and cybersecurity. A solid understanding of Citrix technologies such as application and desktop virtualisation, session management and load balancing, and Citrix cloud management will be key, alongside key networking technologies such as Cisco LAN/WAN/WIFI and Palo Alto firewalls. There will be a More ❯

across multiple infrastructure domains including networking, cloud platforms, virtualization, data centre operations, and cybersecurity. A solid understanding of Citrix technologies such as application and desktop virtualisation, session management and load balancing, and Citrix cloud management will be key, alongside key networking technologies such as Cisco LAN/WAN/WIFI and Palo Alto firewalls. There will be a More ❯

across multiple infrastructure domains including networking, cloud platforms, virtualization, data centre operations, and cybersecurity. A solid understanding of Citrix technologies such as application and desktop virtualisation, session management and load balancing, and Citrix cloud management will be key, alongside key networking technologies such as Cisco LAN/WAN/WIFI and Palo Alto firewalls. There will be a More ❯

across multiple infrastructure domains including networking, cloud platforms, virtualization, data centre operations, and cybersecurity. A solid understanding of Citrix technologies such as application and desktop virtualisation, session management and load balancing, and Citrix cloud management will be key, alongside key networking technologies such as Cisco LAN/WAN/WIFI and Palo Alto firewalls. There will be a More ❯

time or mission-critical systems (security, IoT, or similar sectors). Familiarity with log aggregation, monitoring, and alerting tools (e.g., ELK, Prometheus, Grafana). Good understanding of networking, VPNs, load balancing, DNS, and firewalls. Comfortable with Git and CI/CD workflows. Excellent troubleshooting skills and structured problem-solving approach. Strong written and verbal communication skills. Desirable/ More ❯

to continuously improve solutions In depth public cloud vendor knowledge covering GCP, AWS, and Azure, Extensive experience of networking technologies such as such as LAN, WAN, MPLS, BGP, wireless, load balancing and firewalls, ideally including F5 and Fortinet Experience of tooling such as Grafana, Thousand Eyes, SolarWinds, Prometheus, CloudWatch, Splunk, and ServiceNow Strong collaborative communication skills for articulating More ❯