1 to 25 of 36 Contract High Availability Jobs in the UK

assignment within the utilities sector. Your new role As the OT Technical Support Manager, you will lead the operational support, maintenance and resilience of high-availability Operational Technology systems. You will oversee service delivery and incident response while ensuring that patching, vulnerability remediation and planned maintenance activities … role will also involve workforce planning, capability development and leadership of a technical support team. Key responsibilities Lead the operational support and maintenance of high-availability OT systems. Manage incident response, fault diagnosis, system recovery and operational resilience. Oversee service delivery across the supported OT environment. Coordinate ...

operational support, maintenance, and resilience of critical Operational Technology (OT) systems within a Utilities environment. This is a leadership role focused on ensuring the availability, performance, security, and continuous improvement of high-availability OT platforms. The successful candidate will be responsible for incident management, fault recovery, service … maintenance of critical OT platforms and services. Manage incident response activities, fault diagnosis, service restoration, and root cause analysis. Ensure operational resilience across high-availability environments, supporting business continuity and recovery activities. Oversee OT patching, maintenance schedules, and vulnerability remediation programmes. Drive service delivery excellence and continuous improvement ...

with particular emphasis on Cisco Secure Firewall and advanced BGP. Key Responsibilities Design and deployment of a new Cisco Secure Firewall Management Center (FMC) High Availability pair Deployment and configuration of HA pair Cisco Secure Firewalls Migration of existing legacy firewall configurations to the new environment Review … Strong hands-on experience with Cisco Secure Firewall/FTD Strong experience with Cisco Firewall Management Center (FMC) Experience deploying FMC and firewalls in High Availability configurations Proven experience with firewall migrations and configuration optimisation Advanced BGP knowledge, including configuration and troubleshooting Strong understanding of routing protocols ...

from diverse stakeholders, including business functions, senior executives, legal and compliance teams, and cybersecurity. Engineer and maintain Exchange on-premise and hybrid environments, ensuring high availability, disaster recovery, security management, and effective patching across large deployments. Contribute to mailbox migration programmes from on-premise and hybrid environments … mailboxes to Microsoft 365 Exchange Online in complex enterprise environments. Solid working and engineering knowledge of Microsoft Exchange Server SE, including automation, advanced troubleshooting, high availability and disaster recovery design, security management, and patching for large-scale deployments. Strong understanding of Outlook clients, including M365 Apps for Enterprise ...

within a 24 by 7 live service environment. This role focuses on operational stability, incident resolution, performance optimisation and secure database management across a high availability Oracle estate. The Role You will provide 2nd and 3rd line database support for Oracle 11g databases supporting critical production services. Working … closely with application support, infrastructure and service management teams, you will ensure availability, resilience and performance in line with agreed service levels. The position operates within a formal ITIL aligned support model and includes participation in a 24 by 7 support rota, including out of hours and major incident ...

systems, CRM platforms, or third-party services. Platform Architecture · Design Azure-based hosting platforms. · Design Kubernetes and AKS solutions. · Define hybrid-hosting architectures. · Develop high-availability and resilience strategies. Integration Architecture · Design integration with identity platforms. · Design application connectivity and networking. · Support database integration and hosting. · Define security … Technical Leadership · Lead architecture workshops. · Collaborate with software development teams. · Work directly with Pixel and other suppliers. · Support technology decision-making. Documentation & Standards · Develop high-level and low-level designs. · Produce architecture and deployment documentation. · Maintain platform standards and reference architectures. Essential Technical Skills · Microsoft Azure · Azure Networking · Kubernetes ...

Responsibilities will include: Supporting and maintaining enterprise Citrix Virtual Apps & Desktops environments Designing, building, upgrading and optimising Citrix infrastructure Performance tuning and troubleshooting within high-availability environments Supporting BAU operations alongside infrastructure project delivery Integrating Citrix with Active Directory and secure access solutions Driving automation and continuous improvement … Apps & Desktops Enterprise Citrix administration, deployment and support Infrastructure design, upgrades and migrations Performance optimisation and complex troubleshooting Active Directory integration Secure access technologies High-availability infrastructure Infrastructure automation Working within ITIL or service-managed environments Experience working within secure or Government environments would be highly advantageous. Certifications ...

technical authority across multiple workstreams, ensuring architectural consistency, integration and alignment with the enterprise target state. In this role, you will: Produce High Level Designs (HLDs) and Low Level Designs (LLDs) for identity capabilities. Define end-to-end solution architecture across business, application, data and infrastructure domains. Translate business … Policy Enforcement Point (PEP) architectures using Policy-as-Code. Define secrets management, certificate lifecycle and PKI integration patterns. Design resilience, disaster recovery and high availability architectures. Ensure solutions meet non-functional requirements for security, scalability, resilience and performance. Produce architecture decision records (ADRs) and design documentation. Support governance ...

clients, transports, RFC connections, and logical systems. Support SAP S/4HANA release upgrades, FPS implementations, and Support Package management. Participate in performance testing, high availability (HA), and disaster recovery (DR) exercises. Administer SAP HANA databases, ensuring optimal performance, resilience, and stability. Implement backup, recovery, monitoring, and housekeeping … capacity planning DEV, QAS, PRE-PROD and PROD environment management Client strategy and refresh processes Backup and recovery planning SAP logging and monitoring High Availability and Disaster Recovery concepts Requirements Active SC Clearance is mandatory. Ability to work onsite in Bristol 3 days per week. Strong stakeholder engagement ...

design, build and deliver secure digital solutions supporting critical operations. Your responsibilities will include: Configuring and hardening Cisco Nexus Leaf/Spine architectures for high-throughput, low-latency traffic. Initialising and presenting NetApp storage arrays, ensuring data-at-rest encryption is enforced. Building and hardening Hyper-V clusters supporting … enablement and integration of VMware Cloud Foundation (VCF) private cloud environments. Initialising and managing HSM/KMS appliances, including leading key ceremonies within high-assurance environments. Carrying out professional rack-and-stack and secure cabling in accordance with high physical-security standards. What We're Looking ...

security and continuous improvement. SQL DBA, key responsibilities: Manage and optimise Microsoft SQL Server environments across on-premises and Azure platforms Ensure database performance, availability, security and reliability Lead backup, recovery, disaster recovery and high-availability initiatives Troubleshoot complex database and application performance issues, conducting root cause … skills: Strong experience administering Microsoft SQL Server in enterprise environments Expertise in performance tuning, query optimisation, T-SQL, backup/recovery and Always On Availability Groups Experience supporting SQL Server workloads in Microsoft Azure Understanding of database security, governance and compliance best practices Experience with scripting and automation using ...

hiring for a reputed client to join their Database Services team, supporting Microsoft SQL Server production databases with a focus on performance, security, and high availability. What you'll be doing: * Administer, maintain and support Microsoft SQL Server environments, including installations, configuration, upgrades, patching and migrations * Manage databases, instances … execution plans and apply indexing strategies to improve query efficiency * Design and maintain backup and recovery strategies, including restores and disaster recovery testing * Support High Availability and Disaster Recovery solutions such as Always On Availability Groups, Log Shipping, Replication, and Database Mirroring (where applicable) * Troubleshoot database incidents ...

leading technology organisation delivering critical digital services into the UK Public Sector. They are seeking an experienced Senior Database Administrator (DBA) to join a high-profile programme supporting the design, operation and optimisation of enterprise database platforms hosted within AWS. This is an excellent opportunity to join a highly … architecture, design and implementation of enterprise AWS database solutions Design and maintain database schemas, indexing strategies and data models Deliver resilient database platforms with high availability and disaster recovery capabilities Develop and test backup, recovery, failover and business continuity processes Participate in architecture reviews, governance boards and technical ...

experience - provisioning, deploying, and operating workloads on Virtual Server Instances alongside container orchestration platforms Load balancing - L4/L7 load balancers, traffic distribution, and high-availability patterns Serverless technologies (e.g., AWS Lambda) and event-driven architectures Networking and scaling - DNS, routing, auto-scaling, horizontal/vertical scaling ...

development and troubleshooting. Experience in the development and maintenance of PowerShell scripts for purposes of automation and administration. Comprehensive understanding of SQL Server High Availability (HA) and Disaster Recovery (DR) solutions. Practical experience with SQL Server Always-On Availability Groups and clustered environments. Proficiency in implementing ...

/WAN/Firewalls/VPN) Storage, backup, and recovery systems Cloud infrastructure (Azure/AWS/GCP) Patching, configuration, and hardening validation High availability and failover testing Monitoring, logging, and alert systems (Splunk, Dynatrace, etc.) Validate operational aspects: Maintainability Scalability Supportability Logging & monitoring Runbook readiness Access & security ...

supports a broad range of infrastructure technologies, including hardware platforms, hypervisors, Linux operating systems, system configuration tooling, critical infrastructure services, automation platforms, load balancing, high availability solutions, and virtualization management technologies. The team plays a key role in enabling DevOps practices by delivering real time APIs and automation ...

policies for traffic management, throttling, rate limiting, routing, and load balancing. Manage Kong plugins and integrations to support security, authentication, and monitoring requirements. Ensure high availability, performance, scalability, and operational resilience of the API platform. Security & Compliance Define and enforce API security standards and controls. Implement authentication ...

Designing, developing, implementing, and testing database server solutions using Microsoft SQL Server or similar technologies, integrated within PLC/SCADA-based control systems. Producing high-quality engineering design documentation, including Requirements Capture and Traceability Documentation (URS/RTM), System/Functional Design Specifications (SDD/FDS), and Detailed Software … procedures. Collaborating with PLC and SCADA engineers to create and test fully integrated control systems. Identifying and resolving server and database issues to ensure high availability and minimal downtime. Conducting in-house acceptance testing in a formal, controlled manner and potentially supporting site acceptance testing (commissioning). ...

join a business-critical technology environment in London. This is an excellent opportunity for a senior database specialist with strong hands-on experience supporting high-availability Sybase environments , ideally within banking or financial services. Key Skills & Experience 10+ years' experience as a Sybase DBA Expert hands-on experience ...

Testing: Run hands-on testing in lab environments to validate and certify new hardware and software releases before deployment. Unix & Linux Delivery: Maintain high availability across RHEL, Ubuntu, and legacy Unix platforms while driving modern infrastructure-as-code practices. Solution Design: Partner with internal technical teams to turn ...

Product Manager to own and scale our core API platforms, backend microservices, and data tools. You will lead cross-functional engineering teams to build high-performance systems, improve developer experience, and integrate AI/data solutions across our global platform. Key Responsibilities Platform & API Strategy: Own the roadmap … backlog for core APIs and microservices, ensuring high availability, speed, and scalability. Technical & AI Execution: Work with engineers and data teams to design data models, APIs (REST/OpenAPI), recommendation engines, and AI workflows. Data Governance: Build clear data policies and frameworks across multi-market products. Agile Delivery ...

Contract Length: 4 Months Clearance: Active SC Clearance Required Your New Role Hays are recruiting for an experienced Storage & Backup Engineer to join a high-profile Ministry of Justice programme. This is a fully remote contract opportunity supporting critical national infrastructure within a secure and highly regulated environment. … Doing Administering enterprise SAN and NAS storage environments. Performing storage provisioning, allocation and capacity management activities. Monitoring and optimising storage performance and availability Managing storage replication, backup and disaster recovery solutions. Supporting firmware upgrades, maintenance activities and infrastructure changes. Investigating and resolving complex storage-related incidents and problems. Working ...

platform capabilities. Security & Operational Resilience: Implement Security-by-Design principles, policy-as-code, vulnerability management, and robust RBAC. Ensure production readiness across multi-region, high-availability environments. Stakeholder Engagement: Collaborate across Product, Cyber Security, SRE, and CTO domains to influence technical decision-making and mentor engineering teams. … following: Kubernetes/Containers , Kafka/Event Streaming , or VMware/Virtualization . Distributed Systems: Proven background in designing secure, fault-tolerant, high-performance distributed systems within regulated enterprise environments. DevOps & IaC: Practical experience with Infrastructure as Code (IaC), CI/CD pipelines, GitOps workflows, and configuration management. Desirable ...

secure enterprise Cisco wireless infrastructure. Provide professional engineering services supporting the deployment, configuration, optimisation and operational support of enterprise wireless infrastructure, ensuring secure authentication, high availability and excellent user experience across corporate and guest wireless environments. Technology Stack * Cisco Catalyst 9800 Wireless LAN Controllers * Cisco 5520 & 5508 Wireless … Ensure delivery against operational, security and quality standards Deliverables * Successful deployment of enterprise wireless infrastructure * Secure authentication across corporate and guest wireless networks * Stable, high-performance wireless services * Successful Cisco ISE integration * Accurate engineering documentation and operational handover * Effective troubleshooting and resolution of wireless issues * Delivery against project milestones ...