1 to 25 of 37 High Availability Jobs in the South East

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 ...

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 ...

this role, you will act as the technical authority across compute, storage, networking, automation, and virtualization platforms. You will be responsible for translating high-level business objectives into resilient, secure, and scalable technical solutions, ensuring all architectural blueprints comply with rigorous government security frameworks and long-term IT roadmaps. … design governance, operational delivery, and team mentorship. Key Responsibilities Architectural Governance & Technical Authority: Lead the end-to-end authoring, validation, and review of robust High-Level Designs (HLDs) and Low-Level Designs (LLDs) for high-stakes, mission-critical services. Requirements Translation: Bridge the gap between non-technical stakeholders ...

development teams to review T-SQL, stored procedures and database design decisions. Provide practical guidance to developers on writing efficient T-SQL and implementing high-performing database solutions. Performance Tuning and Optimisation Proactively monitor database workloads, identify performance bottlenecks and resolve complex database issues. Analyse execution plans and optimise … health and performance of the SQL Server estate. Manage day-to-day operational activities, monitoring, patching and database lifecycle management. Maintain the reliability and availability of business-critical production systems operating 24/7/365. Azure and Hybrid Cloud Infrastructure Administer and optimise SQL Server workloads across Azure ...

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 ...

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 ...

private cloud) supporting mission-critical workloads. Architect virtualisation solutions, containerisation strategies and orchestration platforms. Design disaster recovery, business continuity and resilience architectures meeting availability requirements. Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives. Ensure infrastructure designs comply with security requirements, Classification Guides and defence standards. Technical … implementing enterprise-scale infrastructure platforms. Strong background in cloud architecture (AWS, Azure, or equivalent) and hybrid infrastructure models. Demonstrated experience with virtualisation, storage and high-availability infrastructure design. Track record of leading infrastructure modernisation programmes and technology transformation. Experience in defence, aerospace or government IT environments. Deep expertise ...

High Level Clearance Location: Basingstoke - Onsite Clearance: Active UK DV Clearance - Essential Contract: Contract IR35: Inside IR35 Rate: £600 to £700 per day Role Overview We are seeking an experienced DV Cleared SQL Database Administrator (DBA) to provide operational support and administration across a secure and business-critical … Server environment. The successful candidate will be responsible for the availability, performance, security, backup and recovery of SQL Server databases, working within a highly secure Defence environment. This is a hands-on role requiring strong technical SQL Server expertise, together with experience supporting complex enterprise environments. Key Responsibilities Provide ...

technical support for Juniper Networks products/solutions. This role partners closely with our client's Network Engineering, Architecture, and Operations teams to ensure high availability, scalability, and operational excellence across large-scale service provider networks. The role requires you to have a deep technical expertise … EVPN/MPLS, VPWS/VPLS and L2/L3VPN. Juniper EVPN/VXLAN campus and DC fabrics. Strong experience with JUNOS CLI. SRX high-end/midrange/branch security; firewall policy, IPS, IPsec and high availability; Mist. Expert-level Technical Certifications: JNCIS, JNCIP, JNCIE, CCNP ...

looking for an experienced Network Engineering Specialist (4G ESN/Mobile RAN Performance SME) to shape mobile RAN strategy and optimize critical, high-availability networks. Operating in the 4G Emergency Services Network (ESN) domain, you will lead end-to-end performance analysis, troubleshoot complex protocol traces, and drive … Accuver, TEMS/Nemo, Actix, Wireshark, and protocol analysis (SIP, PTT, SRTP, DTLS). Telecom Background: Proven track record as a performance SME in high-availability mobile networks working with 3rd-party suppliers. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

instead of infrastructure. You'll promote observability best practices and automate resolution of recurring issues, working closely with software engineering teams to support security, availability, and performance. Responsibilities include triaging issues, collaborating on infrastructure management, and setting up monitoring for full coverage. Hands-on expertise is required, especially with … integrations for reliability and scalability. Collaborate with development teams to improve workflows and automation. Site Reliability Engineering Design, implement, and maintain systems for high availability, scalability, and performance. Monitor and improve application reliability through proactive measures and incident response. Develop and maintain observability solutions (metrics, logging, tracing). ...

instead of infrastructure. You'll promote observability best practices and automate resolution of recurring issues, working closely with software engineering teams to support security, availability, and performance. Responsibilities include triaging issues, collaborating on infrastructure management, and setting up monitoring for full coverage. Hands-on expertise is required, especially with … integrations for reliability and scalability. Collaborate with development teams to improve workflows and automation. Site Reliability Engineering Design, implement, and maintain systems for high availability, scalability, and performance. Monitor and improve application reliability through proactive measures and incident response. Develop and maintain observability solutions (metrics, logging, tracing). ...

About the Role As an S/4 Senior Basis Consultant, you will design, implement, and maintain complex SAP S/4HANA systems, ensuring high performance, availability, and alignment with enterprise architecture standards. You will lead technical teams across system administration, database management, cloud migration, and integration strategy … installation, configuration, and maintenance of SAP S/4HANA, SAP HANA databases, and associated SAP cloud and on-premise components. Manage system performance tuning, high availability/disaster recovery setup, and lifecycle upgrades/system copies across complex landscape topologies. Collaborate with cloud providers (AWS, Azure, GCP), functional ...

enterprise-scale platforms? We're looking for a Linux Infrastructure & Platform Architect to drive the design, automation, and evolution of critical infrastructure environments supporting high-performance computing, cloud services, and modern containerised platforms. In this hands-on technical leadership role, you'll combine architecture, engineering, and automation expertise … site in Salisbury OR Portsmouth. What you'll be doing: Leading the design, administration, optimisation, and support of large-scale Linux environments, ensuring high availability, performance, security, and resilience. Architecting and supporting High Performance Computing (HPC) platforms, including compute, storage, networking, workload scheduling, and user environments. Designing ...

Containers & Infrastructure Kubernetes and Docker Container orchestration and management Linux-based production environments AWS, Microsoft Azure or Google Cloud Platform (GCP) Cloud infrastructure engineering High-availability and fault-tolerant architectures Load balancing, scalability and configuration management DevOps, Automation & Reliability Engineering Infrastructure as Code (IaC) Terraform and Ansible ...

leased/colocation data centers They co-ordinate with AWS DCEO (Data Center Engineering Operations) teams to implement new builds, upgrades etc and ensures high availability and high resiliency of these control systems. Ascertain customer needs to help develop project scope and specifications. Manage scopes of work ...

infrastructure across enterprise and secure environments. This role is responsible for leading the administration, optimisation, and support of networking, voice, and audiovisual services, ensuring high levels of performance, security, and availability across multiple sites. The successful candidate will bring strong expertise in Cisco networking technologies, network security, cloud … work with advanced networking, security, and collaboration technologies in a highly regulated environment. You will play a key role in maintaining resilient, secure, and high performing services, driving continuous improvement initiatives, and contributing to the delivery of critical business and operational outcomes across the organisation. This is a permanent ...

Skills VMware Kubernetes Service (VKS), Kubernetes and container platforms. Hybrid cloud and multi-platform infrastructure. GitOps and IaC best practices. Backup, disaster recovery and high availability. Agile delivery and Atlassian tools. VMware certifications: VCP, VCAP or VCF Specialist. Search Keywords VMware Engineer, Virtualisation Engineer, VMware Cloud Foundation, VCF, VMware ...

Your new role The company previously delivered a large scale, on-premises deployment of SharePoint for Hydrogen in 2017. This implementation was designed for high availability, incorporating full disaster recovery and resilience across the application, SQL Server, and storage layers. The client is now looking to transition … Architect to define PoV success criteria (RPO/RTO, failover time, throughput, recovery steps). * Stand up PoV topology: o SQL Server Always On Availability Groups on Amazon EC2 across multiple AZs. o Storage using EBS (io1/io2/gp3) and, where required, FSx for Windows File Server ...

platforms that support business operations. You will be responsible for the installation, configuration, maintenance, optimisation, and security of a range of database technologies, ensuring high levels of performance, availability, resilience, and compliance. Working closely with Systems Applications, Infrastructure, and Technology teams, you will also lead database-related projects … Database Engineer Strong administration experience with Microsoft SQL Server, PostgreSQL Experience with database monitoring, performance tuning, optimisation, and troubleshooting. Strong understanding of backup, recovery, high availability, and disaster recovery solutions. Experience implementing database security and access control best practices. Knowledge of incident management, problem management, and root cause ...

team builds the foundational platform that powers CrowdStrike's massive scale. We focus on creating self-service infrastructure-as-a-code primitives, ensuring high availability, and optimizing our cloud footprint to empower our engineering teams to move faster with confidence. What You'll Do: Please note that … services for service teams at CrowdStrike. Participate in regular retros, capacity and planning meetings with your team, allowing team collaboration and discussions in a high fidelity manner. Be part of "lunch and learn" demos: for new POCs or design sessions to work out new architectures. Flexible working - with transparent ...

Intune. Strong experience in managing Windows Server environments (2016, 2019, 2022, 2025). Proficiency in automation and scripting using PowerShell. Experience with virtualisation and high availability solutions, including Hyper-V (clustered and standalone), Windows Admin Centre, and Failover Clustering. Working knowledge of SQL Server in both clustered … troubleshooting and problem-solving skills, with the ability to diagnose and resolve complex technical issues. Excellent communication skills, including the ability to produce clear, high-quality documentation such as processes, procedures, and technical designs. Positive, proactive attitude with a strong sense of ownership. Desirable: Experience designing and deploying highly ...

host-based security technologies. Develop and review secure architectures, standards, procedures and security controls. Support system hardening, vulnerability management and security improvement initiatives. Produce high-quality technical documentation, reports, procedures and customer deliverables. Perform cybersecurity IEC62443 risk assessments and vulnerability assessments within OT and industrial environments. Undertake and manage … standards, including NIST, ISO 27001, IEC 62443 and the NCSC Cyber Assessment Framework (CAF).Strong understanding of Networking, Ethernet-based industrial networks, switching technologies, high-availability and network redundancy concepts, including segmentation, link aggregation and protocols such as STP, RSTP, MSTP, OSPF, EIGRP, HSRP and VRRP, as well ...

projects, manage infrastructure, and provide remote and on-site support. You'll work closely with customers and internal teams to deliver secure, scalable, and high-quality IT solutions. Key Responsibilities Design, implement, and support secure, scalable network solutions across multi-site customer environments. Lead the delivery of network … core infrastructure projects, including new installations, upgrades, and migrations. Manage and maintain on-prem and cloud infrastructure, ensuring high availability, performance, and security. Provide senior-level support for routing, switching, firewalls, VPNs, and WAN connectivity. Administer and support Windows Server environments, virtualised platforms (Hyper-V), and associated services. ...

Experience with Model Context Protocol, model-serving platforms, vector databases and LLM gateways. Experience implementing AI evaluation, observability, tracing and performance monitoring. Experience with high availability, autoscaling, load testing, incident management or restricted environments. Experience applying AI to scientific, engineering, energy or geoscience workflows. Why work with usCompetitive … saving and waste reduction enterprises. Our Hiring ProcessAt Viridien, we are committed to delivering a respectful, inclusive, and transparent recruitment experience. Due to the high volume of applications we receive, we may not be able to provide individual feedback to every applicant. Only candidates whose qualifications closely match ...