176 to 200 of 263 High Availability Jobs in England

equivalent professional qualification is beneficial but not essential. Your Mission at Elis Key Responsibilities Proactively maintain and update core IT infrastructure to ensure high availability of business-critical services. Ensure adherence to all infrastructure processes, including change control and security. Develop, maintain and routinely test ...

will work on the core infrastructure that connects internal trading systems directly to global exchanges and liquidity venues. You will design, build, and enhance high-performance market access gateways and market data systems where precision, speed, and reliability are critical. You will take ownership of end-to-end exchange … connectivity, including onboarding new brokers and venues, implementing protocol changes, and ensuring production stability of mission-critical trading flows. The work spans high-performance systems engineering, real-time optimisation, and hands-on production support in a fast-moving environment. This is a highly collaborative role working closely with traders ...

technology professionals who recognised an opportunity to provide highly secure enterprise data platforms to large organisations. We build and operate ground-breaking, ultra-secure, high performance, cloud-based data infrastructure for the enterprise. Our proprietary technology solutions drive performance and reduce costs while helping our clients to improve … also recognised at the Thames Valley Tech Awards 2020; winning the Thames Valley Tech Company of the year, the Emerging Tech Company and High Growth Tech Business categories. We encourage people of all different backgrounds and identities to apply. We are committed to maintaining an inclusive, and supportive place ...

fast-growing London-based Managed Service Provider delivering high-availability IT services to boutique hedge funds, asset managers, and other financial institutions across the capital. We pride ourselves on exceptional client experience, operational maturity, and a service culture built around trust, responsiveness, and continuous improvement. As we expand … portfolio, we’re seeking a Service Delivery Manager who can own client relationships, drive service excellence, and ensure our technical teams consistently meet the high standards expected by regulated financial clients. The Role You’ll act as the primary point of accountability for service performance across a portfolio ...

large-scale internal platform within a critical business area. This is a greenfield initiative focused on modernising and scaling internal technology capabilities through high-quality engineering and platform design. The environment is highly technical, hands-on, and focused on building reliable distributed systems within a regulated environment. Key Responsibilities … Design and build scalable, distributed systems handling high volumes of financial and transactional data Contribute directly to architecture, system design, and hands-on software development Drive engineering best practices across automation, testing, observability, and performance Build resilient, production-grade systems with a strong focus on reliability and scalability Work ...

management of Solaris systems, working with virtualised environments and contributing to critical migration and upgrade projects. The role has a strong focus on availability and resilience, including the design and support of clustered solutions. You'll work closely with infrastructure and application teams, taking ownership of performance, stability … background in UNIX migrations, upgrades and system support Solid understanding of UNIX networking, storage and security Desirable skills and experience: Experience designing or supporting high-availability or resilience clusters Exposure to disaster recovery and failover solutions Background working in large, regulated or mission-critical environments Reasonable Adjustments: Respect ...

trusted as a senior technical authority, taking ownership of routing architecture, contributing to strategic decisions, and ensuring the network can support real-time, high-throughput workloads. Key Responsibilities: • Design and operate resilient network architectures across LAN, WAN, data centre, and cloud environments • Own and optimise routing and traffic flows … improve network resilience, throughput, and operational efficiency What We’re Looking For: You will be an experienced network engineer who has worked in demanding, high-availability environments where routing stability and performance are critical. Strong practical experience with BGP, OSPF, and multicast networking is essential, alongside confidence working ...

Infrastructure Engineer (Nutanix) Ready to build infrastructure that actually matters? We’re looking for a Nutanix-focused Infrastructure Engineer to join a high-performing team delivering secure, mission-critical platforms into high security environments. This is a hands-on role where you’ll take ownership of building … deploying Nutanix HCI clusters (AHV, AOS, Prism), turning technical designs into secure, resilient, high-performance infrastructure. You’ll work in complex environments where quality, security, and engineering excellence truly matter. You’ll be responsible for building and configuring enterprise-grade Nutanix platforms, supporting upgrades, migrations, and lifecycle management, while ...

Rate: £450.00 per day Umbrella 20% onsite in Bristol Responsibilities: Configure and maintain Red Hat Enterprise Linux (RHEL) for SAP workloads Design and implement High Availability clusters using: Pacemaker/Corosync Configure, and maintain Red Hat Enterprise Linux (RHEL) for SAP workloads Configure HA for SAP HANA ...

enhance global service delivery. Key skills and experience required: Strong administration experience across SQL Server, SharePoint, Web Infrastructure, and SSO. Experience with SQL high availability technologies including Always-On, Mirroring, Replication, Log Shipping, and Clustering. Experience managing web farm infrastructure and load balancing technologies. Azure Cloud and Azure ...

banking client as they move away from restrictive legacy "black-box" engines toward a flexible, cloud-native architecture. Your focus will be on delivering high-availability systems capable of handling millions of requests while ensuring strict compliance with ISO 20022 standards. Essential Skills 5 + years of hands ...

controlled/secure environments with strict governance. Understanding of backup & recovery (RMAN) Nice to have skills Solid understanding of backup & recovery (RMAN) and high availability in AWS platforms is preferred. Exposure & knowledge in Oracle SOA Suite, Oracle WebLogic Server (WLS) administration and upgrades is desirable. Exposure to Oracle ...

controlled/secure environments with strict governance. Understanding of backup & recovery (RMAN) Nice to have skills Solid understanding of backup & recovery (RMAN) and high availability in AWS platforms is preferred. Exposure & knowledge in Oracle SOA Suite, Oracle WebLogic Server (WLS) administration and upgrades is desirable. Exposure to Oracle ...

banking client as they move away from restrictive legacy "black-box" engines toward a flexible, cloud-native architecture. Your focus will be on delivering high-availability systems capable of handling millions of requests while ensuring strict compliance with ISO 20022 standards. Essential Skills 5 + years of hands ...

banking client as they move away from restrictive legacy "black-box" engines toward a flexible, cloud-native architecture. Your focus will be on delivering high-availability systems capable of handling millions of requests while ensuring strict compliance with ISO 20022 standards. Essential Skills 5 + years of hands ...

Support Engineer to join them on a contract basis. You’ll play a key role in maintaining, troubleshooting, and improving critical web applications, ensuring high availability and performance for end users. For this role, the key essential skills are: JavaScript, SQL & Unix/Linux 6 Months + Inside ...

play a key role in designing, building, and maintaining secure infrastructure across complex environments. Working across both IT and OT systems, you will support high availability platforms, ensuring performance, compliance, and security standards are consistently met. You will also contribute to virtualisation, system optimisation, and ongoing monitoring across ...

incident resolution Manage SAP installations, configurations, upgrades, Kernel patching, and system refreshes Support transport management processes across SAP landscapes Implement and maintain backup, recovery, high availability, and disaster recovery solutions Monitor and optimise database and system performance Support upgrade and migration activities including SP/FP stacks ...

maintaining and optimising the Data Platform , using Microsoft Fabric to support analytics and data workloads, while deploying infrastructure through Terraform . You will ensure high availability across Cloud (Azure/AWS/GCP) environments, undertaking incident management and root cause analysis in line with SLAs. The Data Platform ...

working (3 days office/2 days remote) \n You will focus on the operational support and continuous improvement of enterprise application environments, ensuring high availability, security, and performance. Key responsibilities include day-to-day maintenance, patching, monitoring, and user support across critical systems, while also contributing ...

migrations, upgrades and integration activities across complex, secure environments. Provide expert guidance to stakeholders, engineers and end- Troubleshoot and resolve advanced SharePoint issues, ensuring high availability and performance. Contribute to continuous improvement across collaboration and knowledge-management platforms. What We're Looking For Proven experience as a SharePoint ...

business rather than a support function. Theyre now hiring a Nutanix Engineer to help run and improve the hosting platform that underpins regulated, high-availability customer services. This is a production environment where reliability matters. Youll be involved in day-to-day platform operations, upgrades, performance tuning, incident ...

Desirable: • Experience within satellite communications, secure networking or telecoms environments • SonarQube experience • SOA architecture knowledge • VoIP/Asterisk exposure • Experience supporting mission-critical or high-availability systems Important Eligibility Requirements: • Must hold a NATO-country passport • Must have lived in the UK continuously for the last 5 years ...

Network Engineer to be responsible for the design, implementation, management, and optimisation of customer network environments, with a strong focus on network security and high availability. The ideal candidate will bring hands-on experience with Palo Alto, Cisco, and WatchGuard technologies, and ideally have a strong understanding of networking ...

enhancing a complex hybrid identity services environment that spans both On-Prem Active Directory and Entra (Azure Active Directory). Operating within a high-security, fast-paced public-sector setting, the role requires delivering expert 2nd/3rd line technical support while also contributing to long-term service transformation … secure configuration baselines. Manage core AD infrastructure components such as Domain Controllers, FSMO roles, DNS, DHCP, Sites & Services, ensuring resilience, correct topology, and high availability. Implement and enforce Azure AD security controls, including RBAC, Conditional Access, MFA, Identity Protection, PIM, and other Zero Trust aligned safeguards. Support Azure-based ...