1 to 25 of 212 High Availability Jobs

Pension | Healthcare| 10% Bonus | On-call supplement £450p/m Are you a Senior Systems Engineer with strong experience across Linux, Java, SQL and high-availability infrastructure? This is an opportunity to join a specialist technology and engineering business working on a large-scale communications network supporting Critical … reviews, change requests, releases and continual service improvement. Act as a technical SME, maintaining detailed defect records, knowledge documentation and supporting the delivery of high-availability, fault-tolerant systems operating in a 24/7 environment. The Person SC Clearance: Active SC Clearance or eligibility to obtain ...

months + Security Clearance: Active SC or DV. Our client is seeking an experienced DBA Specialist , supporting critical database environments and ensuring the performance, availability, and security of key business systems. This is an exciting opportunity for a database professional with strong administration, performance tuning, automation, and troubleshooting experience … design, implementation, maintenance, and optimisation of critical database systems. You will play a key role in ensuring database performance, resilience, and security while supporting high-availability environments. The successful candidate will be required to work onsite in either Leicester or Hursley five days per week and participate ...

procedures to properly perform work in a safe, quality, and reliable within Microsoft requirements. Embody our culture and values Required profile Qualifications Required: High School Diploma, GED, or equivalent AND mission critical services work/applied learning experience (e.g., high availability assembly/manufacturing/critical infrastructure … Microsoft Cloud background check upon hire/transfer and every two years thereafter. While not required, we also look for the following Preferred Qualifications: High School Diploma, GED, or equivalent AND mission critical services experience (e.g., high-availability assembly/manufacturing/critical infrastructure environments such ...

strong focus on ensuring system reliability and operational excellence. This role requires strong problem-solving abilities, technical depth, and clear documentation skills to support high-availability business-critical applications. Responsibilities: Provide L2/L3 production support for critical applications, performing root cause analysis (RCA) and implementing long-term … services using Ansible, Python, Shell, PowerShell, and database queries to streamline support workflows. Support Business Continuity Planning (BCP) and disaster recovery strategies to ensure high availability and resiliency of systems. Collaborate with development, DevOps, and infrastructure teams to implement process improvements and enhance operational maturity. Maintain detailed documentation ...

enterprise-scale data center infrastructure across on-prem, colocation, and hybrid/cloud environments. You'll define strategy, standards, and performance metrics to ensure high availability, efficiency, and security, while mentoring teams and aligning with OpenText's AI-first, future-driven mission. You'll partner with cross-functional … Dutch Strong expertise in data center infrastructure (power, cooling, racks, cabling) and core IT systems (compute, storage, networking, virtualization, cloud) Solid understanding of high-availability architectures, disaster recovery, and large-scale enterprise or hyperscale environments Proven experience managing colocation providers, vendors, and delivering complex infrastructure projects Strong analytical ...

ideal candidate has strong experience with software development, Microsoft SQL Server, T-SQL, stored procedures, SSIS, SSRS, query optimization, indexing, backup and recovery, High Availability, Disaster Recovery, and Always On Availability Groups. Create and maintain database standards, procedures, and technical documentation. Design, develop, test, implement, and maintain … optimize SQL Server databases, tables, views, stored procedures, functions, triggers, and queries. Administer, monitor, maintain, and support Microsoft SQL Server environments to ensure availability, performance, reliability, and security. Troubleshoot and resolve complex web applications, database, integration, reporting, and performance issues. Perform query optimization, index tuning, execution plan analysis ...

Server environments hosted on AWS, including EC2 and/or RDS. Evaluate database sizing, storage, infrastructure performance and cost efficiency. Maintain backup, recovery, high availability and disaster recovery processes. Support SQL Server Always On Availability Groups and relevant AWS resilience configurations. Lead technical investigations during database performance … environments, ideally EC2 and/or RDS. Understanding of AWS infrastructure, storage and networking considerations affecting database performance. Experience with database backup and recovery, high availability and disaster recovery. Familiarity with Always On Availability Groups and/or AWS Multi-AZ configurations. Experience planning for database scalability ...

WebLogic, Oracle HTTP Server (OHS), Forms, Reports, Concurrent Managers, and Workflow. Oversee context file management, AutoConfig maintenance, and system integration points. 2. Database Administration & High Availability Configure, maintain, and tune high-availability Oracle Databases supporting EBS (including Oracle RAC). Execute database cloning, upgrades, patching ...

virtualisation, backup, networking, monitoring, and security. The successful candidate will act as a senior technical escalation point, lead technical discovery and solution delivery, maintain high-quality documentation, and drive service reliability and continuous improvement. Due to the nature of the customer environments supported, candidates must be eligible to obtain … monitoring, and cloud-related incidents and service requests. Support, administer, troubleshoot, and improve Microsoft Exchange Server, hybrid Exchange, Exchange Online, migrations, mail flow, security, availability, and disaster recovery. Support and optimise Citrix environments, including Virtual Apps and Desktops, StoreFront, Delivery Controllers, Citrix Gateway or ADC, profile management, application delivery ...

alongside them. Working knowledge of Microsoft 365 is desirable. You will work closely with pre-sales, Principal Consultants, Architects, and operational teams to deliver high quality, supportable solutions aligned to agreed standards. Provide hands-on design and delivery expertise across datacentre, hybrid, and Azure environments, acting as the customer … Services, Group Policy, DNS, DHCP, certificate services, and hybrid identity through Entra Connect. Design and deploy resilient compute and storage platforms, including failover clustering, high availability, shared and software-defined storage, and the backup and replication that underpins them. Lead and support migration of customer server estates, including ...

through implementation, migration, and handoff, helping them choose and deploy solutions that fit their technical requirements, budgets, and long-term goals. Why join us? High technical ownership - Lead infrastructure projects from initial discovery and design through implementation and customer handoff. Broad technology exposure - Work across servers, storage, virtualization, backup … platforms. Deploy and troubleshoot switches, routers, firewalls, wireless networks, and VPN solutions. Configure directory services, DNS, DHCP, VLANs, routing, segmentation, and infrastructure integrations. Implement high availability, replication, backup, and disaster recovery capabilities. Coordinate with project managers, customer teams, vendors, and subcontractors to deliver projects within scope and schedule. ...

through implementation, migration, and handoff, helping them choose and deploy solutions that fit their technical requirements, budgets, and long-term goals. Why join us? High technical ownership - Lead infrastructure projects from initial discovery and design through implementation and customer handoff. Broad technology exposure - Work across servers, storage, virtualization, backup … platforms. Deploy and troubleshoot switches, routers, firewalls, wireless networks, and VPN solutions. Configure directory services, DNS, DHCP, VLANs, routing, segmentation, and infrastructure integrations. Implement high availability, replication, backup, and disaster recovery capabilities. Coordinate with project managers, customer teams, vendors, and subcontractors to deliver projects within scope and schedule. ...

Specialist (SC Cleared) | Defence Sector Leicester/Hursley | 5 Days Onsite We're looking for an experienced DBA Specialist to join a high-profile defence programme supporting critical national security and public sector operations. This is an excellent opportunity to work within a secure environment, managing and optimising large … scale, mission-critical database platforms that underpin essential services. You'll be responsible for database administration, performance tuning, backup and recovery, security management, high availability, and disaster recovery across enterprise environments. Working alongside technical specialists, you'll help ensure database resilience, scalability, and availability while driving automation ...

firewalls, wireless infrastructure, and VPN solutions. Configure and support Active Directory, DNS, DHCP, VLANs, routing, network segmentation, and related infrastructure services. Design and implement high-availability and business-continuity solutions. Support on-premises Microsoft Exchange, Microsoft 365, and Google Workspace environments. Coordinate with project managers, customer teams, technology … training and operational handoffs. Support & Engineering Operations Serve as a senior escalation resource for complex server, storage, virtualization, network, and infrastructure issues. Diagnose performance, availability, connectivity, configuration, and integration problems and perform root-cause analysis. Work directly with manufacturer and vendor support teams to resolve complex hardware and software ...

delivery network from F5 BIG-IP to Citrix NetScaler, leveraging the NetScaler Configuration Migration Tool. The ideal candidate will possess deep expertise in deploying high-performance NetScaler hardware, complex traffic management, robust security configurations, and delivering comprehensive technical documentation and knowledge transfer. Sr. Citrix NetScaler Engineer Core Responsibilities Migration … capacity via UHMC (Unified Hardware Management Console) licensing. Virtualization: Provision, configure, and manage virtual VPX appliances per data center instance within the SDX ecosystem. High Availability & Redundancy: Architect and implement local High Availability (HA) pairs within each data center, alongside Global Server Load Balancing (GSLB ...

live migration, cluster shared volumes, and Windows Server virtualization environments Advanced administration and troubleshooting of VMware vSphere, ESXi, vCenter Server, snapshots, templates, virtual networking, high availability, and distributed resource scheduling Strong enterprise networking knowledge, including TCP/IP, VLANs, routing, switching, link aggregation, firewalls, VPNs, DNS, DHCP, SNMP … level operational support for physical and virtual datacenter infrastructure, including compute, storage, networking, power, environmental systems, and supporting management platforms o Monitor infrastructure health, availability, capacity, performance, security alerts, and respond in accordance with established service-level and escalation requirements o Lead diagnosis and resolution of complex hardware, operating ...

Optimization: Monitors platform health and resolves performance bottlenecks, covering execution plans, indexing, query optimization, connection handling, locking/contention, storage capacity, and replication performance. High Availability & Resilience: Configures, tests, and supports high availability, clustering, replication, and disaster recovery processes to ensure business continuity. Security & Governance: Manages … Mongo DBA Couchbase DBA Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended ...

Oracle Apps DBA to manage, maintain, and optimise mission-critical Oracle E-Business Suite (EBS R12) environments and underlying databases. In this hands-on, high-impact technical role, you will take ownership of cross-layer troubleshooting spanning application, database, operating systems, and infrastructure. You will play a key part … maintaining system performance, security, and high availability, while actively contributing to major cloud migration initiatives (OCI/Azure). Key responsibilities EBS & Database Lifecycle: Maintain, update, copy, and refresh core Oracle systems across test, development, and live 24/7 production environments. Core Apps Administration: Manage key system ...

client is a global defence and technology company. Senior Network Engineer Location: Huntingdon, Cambridgeshire Security Clearance Level - High DV Required UNLEASH YOUR POTENTIAL We deliver innovative technology and engineering solutions through the expertise of our diverse and talented people. We work with our customers to solve some … problems, develop robust network solutions and provide engineering assurance throughout the lifecycle of network services. The role offers significant technical variety, covering network architecture, high-availability infrastructure, security, technical refresh, service improvement, troubleshooting and the introduction of new technologies. You will work closely with customers, architects, engineers, service ...

environments, directory services, DNS, DHCP, segmentation, and infrastructure integrations. • Support on-premises Exchange, Microsoft 365/Office 365, Google environments, and hybrid infrastructure. • Implement high availability, replication, backup, recovery, and disaster recovery solutions. • Coordinate with project managers, customers, vendors, and subcontractors to keep implementations within scope and schedule. … operational handoffs. Support & Engineering Operations • Serve as a senior escalation resource for complex infrastructure issues spanning server, storage, virtualization, backup, and networking. • Diagnose performance, availability, configuration, and connectivity problems and perform root cause analysis. • Work directly with manufacturer support teams to resolve hardware and software issues. • Apply security hardening ...

lifecycle, from initial requirements and implementation through to BAU support Troubleshoot complex infrastructure issues and act as an escalation point Support Disaster Recovery and High Availability solutions Work collaboratively with Infrastructure, Architecture, Project Management and Service Desk teams Contribute to infrastructure transformation and service improvement initiatives Create … application configuration Windows Server 2016, 2019 and 2022 Active Directory, DNS, DHCP and Sites & Services Windows file services, including DFSR Disaster Recovery and High Availability technologies Networking fundamentals, including routing and troubleshooting Monitoring technologies such as SolarWinds, SNMP or similar Strong infrastructure troubleshooting and problem-solving skills Desirable ...

Factory Edge hosting service. Define the edge reference architecture, solution designs, technical standards and architectural guardrails. Develop repeatable site configurations covering standard, small-scale, high-availability and AI/GPU-enabled edge deployments. Evaluate and recommend technologies across edge computing, hyper-converged infrastructure, virtualisation, storage and container platforms. … business-critical workloads. Knowledge of observability, infrastructure automation/IaC, platform lifecycle management and cloud integration. Proven ability to create enterprise reference architectures, high-level designs (HLDs), architecture decision records and technical standards. Experience evaluating technology options and translating business requirements, non-functional requirements and operational constraints into clear ...

looking for an experienced SQL DBA to join a growing team supporting critical SQL Server environments. You'll be responsible for ensuring database availability, performance, security, and resilience across enterprise systems. Key Responsibilities: Administer and support Microsoft SQL Server environments. Manage backup, recovery, and disaster recovery processes. Optimise database … performance and resolve issues proactively. Maintain high availability solutions and ensure system resilience. Implement security best practices and database governance. Automate database administration tasks using T-SQL and PowerShell . Monitor database health, capacity, and performance. Provide operational support and incident resolution. Key Skills Required: Strong SQL Server ...

maintain system design, configuration, testing and recovery documentation. Improve knowledge sharing across Infrastructure and Service Desk teams. Contribute to disaster recovery, business continuity and high availability planning. Work collaboratively across IT to support the wider technology strategy. If you possess a combination of the following skills, then LETS … Active Directory, DNS, DHCP, Sites and Services, and replication Networking, routing and technical troubleshooting Windows file services and DFSR Disaster recovery, high availability, RPO and RTO principles Enterprise application infrastructure and server back-end configuration Monitoring technologies such as SolarWinds, SNMP and MIBs Change and problem management Strong ...

with similar or alternative technologies. Ability to work in a fast-paced environment. Experienced in mentoring and coaching a team. Good technical documentation skills. High standards of work and attention to detail. Proven track record in high availability multi browser compatible development. Experience of working with high availability, multiuser, service-based systems. Bachelors degree in computer science or a relevant discipline, or relevant professional experience. Additional Information Applying active governance around overall solution design, code quality and coding standards with the team. Assisting in driving the provision of scalable, maintainable, and performant systems. Acting ...