1 to 25 of 209 Permanent Load Balancing Jobs in England

Senior Network Engineer

Location
Portsmouth, England, United Kingdom
design, implementation, and support of enterprise network infrastructure across our UK data center and office environments. This role is focused on data center networking, load balancing, and core network services, ensuring high availability, performance, and security across all platforms.Job Description:Exciting Opportunity: Senior Network EngineerAre you a seasoned … design, implementation, and support of enterprise network infrastructure across our UK data center and office environments. This role is focused on data center networking, load balancing, and core network services, ensuring high availability, performance, and security across all platforms.What You’ll Do:Strategic Support & Risk AwarenessProactively identify operational ...

Production Services Specialist - IP Services

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60.00 - £64.00 per hour
Production Services Specialist II | Remote | Inside IR35 | £60 p/h | 4-Day Week (up to 40 hrs, Rota-Based) | IP Services/Load Balancing & DDI We're looking for an experienced Production Services Specialist II (contract) to support a large-scale IP Services environment. This … operations-focused role, acting as the technical subject matter expert for network incidents affecting load balancing and DDI (DNS, DHCP, IPAM) infrastructure. You'll manage day-to-day operational support across F5, VMware Avi, and BlueCat platforms, including incident triage, proactive network reviews and disaster recovery testing. ...

Senior SRE Engineer - ASE Traffic & Secure Services Network

Location
Greater London, England, United Kingdom
available. We're seeking a technically strong Site Reliability Engineer (SRE) to join our growing London team, focused on the future of traffic management, load balancing, and secure networking infrastructure.You’ll play a key role in shaping the next generation of how services communicate securely and efficiently across … operate core networking services that underpin Apple’s most important products. Responsibilities include : Design, build, and operate highly available infrastructure systems for traffic routing, load balancing, and secure connectivity at global scale. Collaborate with development teams to influence architecture, improve observability, and embed SRE best practices across ...

Senior Networking & Security Specialist

Location
Newbury, England, United Kingdom
implementation IPsec, SSL/TLS and SD-WAN security Security policy and lifecycle management Compliance-aligned network security Application Delivery L4/L7 load balancing SSL offloading Global Server Load Balancing (GSLB) High-availability architectures Vendor Technologies Cisco IOS/IOS-XE/IOS-XR/ ...

Senior Network Architect

Location
Sheffield, England, United Kingdom
Experience with Voice over IP, Dial Services (Async/PPP, ISDN), Wireless services (CDMA, EVDO, GPRS, EDGE, 802.11b/g/n), Server LoadBalancing (F5) Data Center design and support (Cisco Nexus, Arista, Juniper) Experience with Server LoadBalancing (F5, Netscaler, AWS ALB/ ...

Cloud Network Engineer - Active UK Government Security Clearance Required

Location
Greater London, England, United Kingdom
across secure environments Troubleshoot network incidents, connectivity issues, and performance problems Implement planned network changes safely and effectively Support routing, switching, firewalling, VPN, and load-balancing technologies Contribute to network upgrades, migrations, optimisation, and continuous improvement Monitor network health and performance using observability and monitoring tooling Participate … Core technologies/experience: Cisco networking BGP/OSPF VLANs/VRFs MPLS Firewalls such as Palo Alto or Check Point VPN/IPSec Load balancing Network monitoring and observability Enterprise networking in production environments Nice to have: Cisco ACI/Nexus Cisco SD-WAN/ ...

Principal DevOps Engineer

Location
Greater London, England, United Kingdom
alerting strategy, metrics design, operational readiness) Production experience running Redis , RabbitMQ , Nginx (HA, tuning, troubleshooting) Strong understanding of networking and security fundamentals (TLS, DNS, load balancing, firewalling, least privilege) Proven ability to lead cross-team initiatives, make architectural decisions, and communicate clearly Kubernetes and container ecosystems (Docker, Helm … configuring, and tuning highly available MS SQL Server environments Experience in managing VOIP components and protocols (SIP , FreeSwitch, OpenSIP, session border controllers) Experience with load balancing components ( F5 LTM, F5 GTM) Experience with administering AWS or Azure tenants Diversity, Inclusion, and Equal Opportunity We hire, promote, and compensate ...

L4 Network Operations Engineer

Hiring Organisation
Claranet Limited
Location
Gloucester, Gloucestershire, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
practices and continuous improvement initiatives. Provide design assurance for new deployments and service modernisation across SDWAN, WAN, LAN/WLAN, VPN/SASE, and load-balancing environments Support and guide automation initiatives including Infrastructure-as-Code (IaC) pipelines, compliance validation, and drift detection Drive monitoring and telemetry enrichment … environments Proven experience defining standards, leading complex troubleshooting, and driving network evolution Advanced technical knowledge across SDWAN, WAN, LAN/WLAN, VPN/SASE, load-balancing, and security platforms Strong understanding of compliance, risk management, and regulatory frameworks Effective communicator, able to engage stakeholders and lead governance activities ...

Principal Platform Engineer

Hiring Organisation
Trayport
Location
London, United Kingdom
Salary
£ 80 K
Azure (AKS, AKV, networking), with an understand of on-prem environmentsOwn core networking design and implementation across within Cloud environments — connectivity, routing, DNS, load balancing, firewalls, and private links between cloud and on-premEngineer for high availability: multi-region and multi-AZ architectures, failover design, capacity planning … assumptions, and ensure new services are built to be operable, observable, and resilient from day oneContribute to the technical roadmap for the platform function, balancing reliability investment against deliveryWhat we're looking forMust haveA background in Operations or SRE running highly available, redundant production platforms — you understand failure domains ...

Principal Platform Engineer

Location
Greater London, England, United Kingdom
Azure (AKS, AKV, networking), with an understand of on-prem environments***** ****Own core networking design and implementation across within Cloud environments — connectivity, routing, DNS, load balancing, firewalls, and private links between cloud and on-prem***** ****Engineer for high availability: multi-region and multi-AZ architectures, failover design, capacity … ensure new services are built to be operable, observable, and resilient from day one***** ****Contribute to the technical roadmap for the platform function, balancing reliability investment against delivery****## ****What we're looking for********Must have***** ****A background in Operations or SRE running highly available, redundant production platforms ...

Network Engineer (Azure)

Location
Greater London, England, United Kingdom
Microsoft Azure networking services and supports the delivery of secure, resilient and scalable connectivity for enterprise systems, including virtual networks, routing, firewalls, private connectivity, load balancing and hybrid network integration. The Azure Network Engineer carries out the following activities: 1. Azure Network Design & Implementation Design Azure networking solutions … security controls, including Azure Firewall, Web Application Firewall, DDoS Protection, NSGs and traffic inspection patterns. Implement resilient application delivery and traffic management using Azure Load Balancer, Application Gateway, Front Door and Traffic Manager. Apply secure-by-design principles across network segmentation, routing, connectivity, monitoring and operational support. Produce high ...

Senior Specialist Engineer - Networks

Hiring Organisation
National Health Service
Location
London, United Kingdom
Salary
£ 70 K
across estate modernisation, science campus, data centre and hybrid cloud programmes, while collaborating with infrastructure, security, application and cloud teams.Manage routing, switching, wireless, WAN, load balancing, IPAM, DNS and DHCP services, alongside Extreme Networks Fabric Engine, Site Engine and wireless platforms.Network Security, Resilience & Incident ManagementProvide technical leadership … across estate modernisation, science campus, data centre and hybrid cloud programmes, while collaborating with infrastructure, security, application and cloud teams.Manage routing, switching, wireless, WAN, load balancing, IPAM, DNS and DHCP services, alongside Extreme Networks Fabric Engine, Site Engine and wireless platforms.Network Security, Resilience & Incident ManagementProvide technical leadership ...

Senior Specialist Engineer - Networks

Hiring Organisation
National Health Service
Location
Liverpool, Merseyside, United Kingdom
Salary
£ 60 K
across estate modernisation, science campus, data centre and hybrid cloud programmes, while collaborating with infrastructure, security, application and cloud teams.Manage routing, switching, wireless, WAN, load balancing, IPAM, DNS and DHCP services, alongside Extreme Networks Fabric Engine, Site Engine and wireless platforms.Network Security, Resilience & Incident ManagementProvide technical leadership … across estate modernisation, science campus, data centre and hybrid cloud programmes, while collaborating with infrastructure, security, application and cloud teams.Manage routing, switching, wireless, WAN, load balancing, IPAM, DNS and DHCP services, alongside Extreme Networks Fabric Engine, Site Engine and wireless platforms.Network Security, Resilience & Incident ManagementProvide technical leadership ...

Senior Specialist Engineer - Networks

Hiring Organisation
National Health Service
Location
Leeds, West Yorkshire, United Kingdom
Salary
£ 70 K
across estate modernisation, science campus, data centre and hybrid cloud programmes, while collaborating with infrastructure, security, application and cloud teams.Manage routing, switching, wireless, WAN, load balancing, IPAM, DNS and DHCP services, alongside Extreme Networks Fabric Engine, Site Engine and wireless platforms.Network Security, Resilience & Incident ManagementProvide technical leadership … across estate modernisation, science campus, data centre and hybrid cloud programmes, while collaborating with infrastructure, security, application and cloud teams.Manage routing, switching, wireless, WAN, load balancing, IPAM, DNS and DHCP services, alongside Extreme Networks Fabric Engine, Site Engine and wireless platforms.Network Security, Resilience & Incident ManagementProvide technical leadership ...

Senior Specialist Engineer - Networks

Hiring Organisation
National Health Service
Location
Birmingham, West Midlands (County), United Kingdom
Salary
£ 60 K
across estate modernisation, science campus, data centre and hybrid cloud programmes, while collaborating with infrastructure, security, application and cloud teams.Manage routing, switching, wireless, WAN, load balancing, IPAM, DNS and DHCP services, alongside Extreme Networks Fabric Engine, Site Engine and wireless platforms.Network Security, Resilience & Incident ManagementProvide technical leadership … across estate modernisation, science campus, data centre and hybrid cloud programmes, while collaborating with infrastructure, security, application and cloud teams.Manage routing, switching, wireless, WAN, load balancing, IPAM, DNS and DHCP services, alongside Extreme Networks Fabric Engine, Site Engine and wireless platforms.Network Security, Resilience & Incident ManagementProvide technical leadership ...

Senior Network Engineer – Data Center, Cloud

Location
Greater London, England, United Kingdom
years expert design & hands-on experience of IPv4/IPv6, Anycast, MP-BGP, OSPF/IS-IS, MPLS, EVPN/VxLAN, L3VPN, CLOS, QoS, Load-balancing, MACsec, and IPsec 5+ years practical multi-cloud networking experience deploying and supporting cloud connectivity at hyperscaler, CSP or security company Extensive … Agile Project Management Network Compliance Standards Hard Skills IPv4/IPv6 Anycast MP-BGP OSPF/IS-IS MPLS EVPN/VxLAN L3VPN Load-Balancing Automation Frameworks AI Technologies Soft Skills Independent Problem Solving Cross-Functional Collaboration Certifications & Qualifications CCIE JNCIE AWS Professional GCP Professional OCI Professional Azure ...

Staff Platform Site Reliability Engineer

Hiring Organisation
Index Exchange
Location
London, United Kingdom
Salary
£ 80 K
next level.Solve hard distributed systems problems. Real-time bidding with sub-millisecond overhead. Multi-datacenter consistency. Deploying safely to a fleet of thousands. Load balancing at a scale where the easy approaches don't work. If the phrase "globally distributed auction system" makes you lean in, keep reading.Own … GitOps (ArgoCD or similar).Proficiency in Go, Python, or both—for building libraries, SDKs, and platform APIs, not just scripts.Solid networking fundamentals (L2-L7), load balancing, DNS, service discovery.A track record of driving technical strategy across teams—not just executing within one.Valuable ExperienceDistributed storage systems (e.g. Ceph ...

Network Engineer - F5 / DDI (BlueCat)

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60.00 - £64.00 per day
incident response and production support, not a project/build role. You'll be the technical SME for DDI/DNS and load balancing infrastructure, owning incidents through to resolution and keeping the environment running. BlueCat is essential - candidates without hands-on BlueCat experience will not be considered … support and incident triage for BlueCat DDI (DNS, DHCP, IPAM - on-prem and Cloud Resolver), F5 (LTM/GTM/APM), and VMware Advanced Load Balancer (Avi) Acting as the technical escalation point for business-impacting network incidents, working the problem until it's resolved Proactive reviews - DR testing ...

Platform Technical Lead (OpenShift) - Welwyn Garden City, United Kingdom of Great Britain and Northern Ireland

Hiring Organisation
Tesco
Location
Welwyn Garden City, Hertfordshire, United Kingdom
Salary
£ 70 K
that reflects service health rather than component noise.Designing and operating fault-tolerant, highly available, high-throughput distributed systems, including platform integration with enterprise networking (load balancing, DNS, BGP concepts) and identity (LDAP/OIDC, certificate management).CKA/CKS and/or Red Hat certification (OpenShift Administration, OpenShift … that reflects service health rather than component noise.Designing and operating fault-tolerant, highly available, high-throughput distributed systems, including platform integration with enterprise networking (load balancing, DNS, BGP concepts) and identity (LDAP/OIDC, certificate management).CKA/CKS and/or Red Hat certification (OpenShift Administration, OpenShift ...

F5 Network Engineer

Hiring Organisation
Xact Placements Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £80,000 per annum
client is a market leader in the financial and trading space, building out its Application Delivery team. You'll own the F5 LTM & GTM load-balancing plant behind thousands of business-critical apps — and automate the work that keeps it fast, stable and scalable. Think ultra-low-latency … trading platforms, global DNS, and a real engineering culture that funds your F5 certifications. You'll... Design, build and troubleshoot the F5 load-balancing plant as a top-level escalation point Automate certification and plant management with Python and Ansible Partner with architects and developers to deliver well ...

Member of Technical Staff — Network Engineer (Software)

Location
Greater London, England, United Kingdom
backbone of these solutions, including designs like: Traffic shaping for workload classification — bandwidth-constrained pod uplinks, telemetry aggregation, and randomized inference routers/load balancers designed to make covert frontier training economically infeasible, without inspecting or retaining traffic contents. Network taps and the evidence plane — line-rate traffic capture … future compute agreements. What We're Looking For (Required) Real-world experience writing production software for network devices (e.g., switches, routers, NICs/SmartNICs, load balancers, firewalls, taps/packet brokers) and/or network-focused software for large-scale network-based applications (e.g., VPNs, traffic management, load ...

Senior Network Administrator

Hiring Organisation
KBR
Location
Leatherhead, Surrey, United Kingdom
Salary
£ 100 K
security controls.Ensure network services comply with organisational security standards and governance requirements.Data Centre & Cloud NetworkingSupport enterprise data centre networking environments and associated connectivity services.Administer load balancing and application delivery platforms.Support hybrid cloud and cloud networking services.Maintain reliable connectivity between on-premises infrastructure, cloud platforms, remote locations, and hosted … connectivity technologies.Experience with network access control, identity-aware networking, and enterprise security platforms.Experience supporting firewall technologies, VPN solutions, and secure remote access services.Experience with load balancing and application delivery technologies.Experience supporting cloud networking and hybrid connectivity solutions.Experience supporting enterprise infrastructure environments including Windows, Linux, and virtualisation platforms.Familiarity with ...

Network Specialist

Location
Knutsford, England, United Kingdom
achieve business objectives Requirements Proven experience designing and implementing medium to large-scale enterprise network solutions Deep technical expertise across routing, switching, firewalls, and load balancing technologies Strong understanding of BGP, OSPF, and EIGRP Experience troubleshooting complex network environments Expertise in Cisco ACI, Nexus switching platforms, and Cisco …/ASA firewalls Experience designing and implementing Software-Defined Networking (SDN) and network automation solutions (highly valued) Hands‐on experience with F5 BIG-IP load balancers and application delivery technologies (highly valued) Exposure to hybrid and cloud environments, including VMware, AWS, or other public cloud networking platforms (highly valued ...

Senior Network Engineer – Data Center & Load Balancing

Location
Portsmouth, England, United Kingdom
lead the design, implementation, and support of enterprise network infrastructure across its UK data centers and offices. You will focus on data center networking, load balancing, and core services to ensure high availability, performance, and security. You will design and implement network solutions, mentor team members, and work ...

Staff Software Engineer, Inference

Hiring Organisation
Humanloop
Location
London, United Kingdom
Salary
> £ 150 K
systems that serve Claude to millions of users worldwideDevelop resilient, flexible systems that adapt in real time to real-world eventsDevelop intelligent request routing, load balancing, and traffic management systems across thousands of acceleratorsMaximize compute efficiency across the fleet by autoscaling and orchestrating production, research, and experimental workloadsBuild … societal impacts of your workPreferred qualificationsSignificant experience with high-performance, large-scale distributed systemsExperience implementing and deploying machine learning systems at scaleExperience building load balancing, request routing, or traffic management systemsFamiliarity with LLM inference optimization, batching, and caching strategiesDeep experience operating Kubernetes and cloud infrastructure at scaleExperience with ...