226 to 250 of 263 High Availability Jobs in England

Strong experience in enterprise-level environments Ability to work across physical networking and software-defined networks Solid understanding of: L2/L3 networking concepts High availability protocols Next-generation firewalls Network monitoring tools Troubleshooting tools (e.g. Wireshark) VPN & remote access Wireless administration CCNA or equivalent is desirable Security … Have not spent more than 3 months outside the UK in the last 10 years (or can fully document this) Why apply? Work on high impact defence projects Blend of hands on engineering and project work Ongoing training and development opportunities Join a team building future critical secure networks ...

guidance of senior architects. Data Centre Architecture & Design Design and maintain scalable, secure, and highly available data centre infrastructure architectures. Create low level and high level designs (LLD/HLD) for on prem and hybrid DC environments. Support architecture decisions for server, storage, network, backup, and virtualisation platforms. Ensure … centre networking (core, aggregation, access layers) Work closely with operations teams to ensure design to run alignment. Reliability, Capacity & Resilience Design DC architectures for high availability, redundancy, DR, and fault tolerance. Support capacity planning, performance optimisation, and lifecycle management. Participate in failure analysis, RCA reviews, and corrective architecture ...

companies. This is a new role where you'll design, build, and optimise database solutions that power business-critical systems. Develop and maintain high-quality T-SQL (procedures, views, functions, indexes) Diagnose and fix performance issues using execution plans and query tuning Optimise transactional systems, reporting, and integrations Support … performance tuning skills Solid database design knowledge Experience managing changes across environments Strong problem-solving ability Desirable: Experience with application teams Exposure to high-availability environments Familiarity with deployment/version control tools Benefits Up to 27 days holiday + Bank Holidays Profit-related pay Pension & life cover ...

Line Engineer Location: Huntingdon, UK Clearance Level: High - DV Developed Vetting UNLEASH YOUR POTENTIAL You provide a crucial Role in Core services, conducting Fault rectification of incidents and supporting Problem management, CSI, and CR work. Are you ready for your next challenge? Leidos 2nd line engineers conduct repairs … dealt within SLA and KPI set down by the customer. Provide Second line technical support: Manage and maintain servers, virtual machines to ensure high availability and performance, including the creation and deployment of new equipment. Responsible for updating of certification of the network. Provide expert-level support ...

Provide 3rd line support for enterprise Messaging and Email Security platforms, ensuring high availability and rapid issue resolution. Design, implement, and enhance messaging solutions including Microsoft Exchange, Exchange Online, and Microsoft 365 technologies. Troubleshoot complex messaging, mail flow, security, and infrastructure issues across enterprise environments. Support delivery ...

Ledger initiative. This role requires over 8 years experience in Java and familiarity with AI tools like GitHub Copilot. You will design and implement high-availability, cloud-native services while collaborating with global teams. The position emphasizes innovation, strategic transformation, and utilizing AI to enhance software development processes. ...

core network initiatives; coordinating vendors including Ericsson, Oracle, Nokia, and Entrust; overseeing governance, risk, compliance, testing, and operational readiness; and ensuring high-availability service delivery with zero customer impact. Skill Needed: Candidates should have strong telecom and cloud delivery experience, stakeholder and vendor management expertise, and proven success ...

asset management, and operational improvements Support data centre changes, upgrades, and ongoing maintenance activities Work closely with facilities, operations, and technical teams to maintain high availability Produce technical documentation and support incident resolution activities Skills & Experience Experience working within enterprise or colocation data centre environments Strong knowledge ...

resolve complex issues related to routing, switching, latency, and application delivery. Manage infrastructure upgrades, capacity planning, and network scalability initiatives. Develop and maintain high-availability architectures and disaster recovery solutions. Establish and enforce network security standards and compliance policies across environments. Skills & Experience Extensive experience supporting large-scale ...

Servers) Solid understanding of z/OS components supporting CICS Liberty (USS, RACF, TCP/IP, SMF) Experience in capacity planning, performance tuning, and high availability/disaster recovery (HA/DR) Proven problem determination skills using dumps, traces, SMF data, and logs Expertise in WebSphere Liberty configuration ...

work effectively under pressure, including during major incidents. Desirable Experience working in regulated or enterprise environments (eg banking or financial services). Exposure to high availability designs, VPN technologies, and security best practices. Relevant vendor certifications (eg Fortinet NSE, Juniper JNCIA/JNCIS). ...

latest technical developments in networking hardware and software, such as software-defined networks. Demonstrable knowledge in enterprise networking, L2/L3 concepts, high availability protocols, next-generation firewalls, network monitoring tools, and network troubleshooting tools like Wireshark. Experience with VPN & Remote Access and Wireless Administration. ...

Aligning IT initiatives with organisational priorities Supporting future business growth through technology Infrastructure & System Management : Oversee the maintenance and enhancement of IT infrastructure, ensuring: High availability of business-critical systems Reliability and performance of platforms Scalability to support business growth Continuous improvement of core systems Team Leadership : Lead ...

Director or Head-of level in enterprise environments Strong background in IT operations, infrastructure, and cloud services Experience in regulated, safety-critical, or high-availability environments (e.g. utilities, energy, telco) Track record of leading large-scale technical teams and senior leaders Experience owning major incidents and high ...

role in delivering, maintaining, and evolving our core on-premise and cloud-based infrastructure. Youll work across virtualisation, storage, server platforms, identity services, and high-availability systems to ensure our hybrid environment remains resilient, secure, and high-performing. Youll collaborate closely with colleagues across DDaT including Cyber ...

scope for monitoring verification and uplift. Your responsibilities will include working with EMAS to analyse Prometheus scrape coverage, exporter deployment, and Grafana dashboard availability for critical applications. Key Capabilities/Knowledge: Deep expertise in designing, implementing, and configuring: Prometheus Instrumentation strategy (exporters, service discovery, custom metrics). PromQL development … complex queries and performance analysis. Recording rules, alerting rules, and metric optimisation. High-availability architectures, sharding, federation, and long-term storage (e.g., Thanos, Cortex, Mimir). Grafana Dashboard and panel design with performance-focused visualisations. Alerting configuration and best-practice alert routing. Synthetic monitoring integrations (e.g., Grafana Synthetic ...

team members within heavy hitters in the industry, with previous employees going on to work at the likes of Citadel. Fortunately, due to the high-trust culture of the business, you will quickly gain significant work-from-home and work-from-anywhere flexibility. Role : You will be joining … C# (desirable) Ability to write performance-critical multithreaded code Interest in trading Genuine interest in technology Interest in maximising performance improvements Interest in high-availability systems with strict 99.999% uptime requirements Full details are available. Please don't hesitate to get in touch. ...

relocate to Frankfurt , Europe’s leading data-centre hub, and play a key role in delivering some of the region’s most technically complex, high-profile mission-critical projects. This position is ideally suited to an experienced mechanical building services professional currently working in the UK or EU , with … lead complex electrical design and delivery without being boxed into a specific senior title. Mission-Critical Focus – Your work will centre on high-availability environments, including power distribution, resilience and redundancy strategies, standby generation, UPS systems, earthing, and electrical infrastructure designed for continuous operation. Client Trust & Technical Authority ...

relocate to Frankfurt , Europe’s leading data-centre hub, and play a key role in delivering some of the region’s most technically complex, high-profile mission-critical projects. This position is ideally suited to an experienced mechanical building services professional currently working in the UK or EU , with … lead complex electrical design and delivery without being boxed into a specific senior title. Mission-Critical Focus – Your work will centre on high-availability environments, including power distribution, resilience and redundancy strategies, standby generation, UPS systems, earthing, and electrical infrastructure designed for continuous operation. Client Trust & Technical Authority ...

relocate to Frankfurt , Europe’s leading data-centre hub, and play a key role in delivering some of the region’s most technically complex, high-profile mission-critical projects. This position is ideally suited to an experienced mechanical building services professional currently working in the UK or EU , with … lead complex electrical design and delivery without being boxed into a specific senior title. Mission-Critical Focus – Your work will centre on high-availability environments, including power distribution, resilience and redundancy strategies, standby generation, UPS systems, earthing, and electrical infrastructure designed for continuous operation. Client Trust & Technical Authority ...

relocate to Frankfurt , Europe’s leading data-centre hub, and play a key role in delivering some of the region’s most technically complex, high-profile mission-critical projects. This position is ideally suited to an experienced mechanical building services professional currently working in the UK or EU , with … lead complex electrical design and delivery without being boxed into a specific senior title. Mission-Critical Focus – Your work will centre on high-availability environments, including power distribution, resilience and redundancy strategies, standby generation, UPS systems, earthing, and electrical infrastructure designed for continuous operation. Client Trust & Technical Authority ...

London Competitive + bonus + benefits We're seeking a highly motivated Network Engineer to join a financial services organisation operating in a secure, high-availability, enterprise environment. This role is ideal for a networking professional with a strong foundation in core infrastructure and hands-on, production experience ...

Vice President Software Engineer in London to lead development on the Consolidated Trade Ledger (CTL) initiative. The role will involve designing cloud-native, high-availability services and using AI-assisted engineering tools. Candidates should have over 8 years of experience in Java and familiarity with event-driven systems. ...

Banking & Markets division. This role involves designing and implementing a cloud-native platform for Equities Trading, driving strategic transformation through AI tools, and developing high-availability services. The ideal candidate has over 8 years of software development experience, particularly in Java, and a proven track record in developing ...

function, ensuring operational excellence across production systems. Essential Skills & Experience: Proven experience as an SRE Lead or Senior SRE in large-scale, high-availability production environments. Strong experience with observability and monitoring tools such as Datadog, Grafana, Prometheus, PagerDuty, or similar. Experience managing incident response, on-call processes ...