23 of 23 High Availability Jobs in the South East

private cloud) supporting mission-critical workloads Architect virtualisation solutions, containerisation strategies and orchestration platforms Design disaster recovery, business continuity and resilience architectures meeting MOD availability requirements Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives Ensure infrastructure designs comply with MOD security requirements, Classification Guides and defence … 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 Technical Knowledge ...

gates, kiosks, and other passenger-facing devices that are critical to daily service delivery. You will lead a multi-disciplinary team responsible for ensuring high availability, rapid incident response, and seamless customer experience across all front office technology. Key Responsibilities Lead the end-to-end support and operation … client on: System performance Incident trends Service improvements Operational risks and mitigation Ensure systems meet contractual SLAs/KPIs , particularly those linked to customer availability and revenue protection . Identify and deliver continuous improvement initiatives , including system optimisation, reliability improvements, and operational efficiencies. Provide leadership and direction ...

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 ...

usable in the real world. If you enjoy owning backend services end to end, care deeply about reliability and API quality in a high-impact environment, this role offers both autonomy and real impact. Requirements Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using … FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management, and fine-grained permissions. Design and maintain event-driven architectures ...

efficient software delivery. Implementing monitoring, observability and operational tooling to improve platform reliability. Working closely with Site Reliability Engineering and Operations teams to ensure high availability and resilience. Supporting incident response, root cause analysis and continuous improvement initiatives. Acting as a technical mentor, promoting engineering standards and best ...

work in a purpose-driven company! Requirements: Proven experience (5+ years) in a DevOps or similar role, ideally within a cloud-first, SaaS, or high-availability environment. Strong expertise with Azure (preferred), AWS, or Google Cloud and familiarity with cloud-native tools and services. DevOps experience ...

shape the data platform behind a mission-critical technology solution. We're looking for an experienced Database Administrator to take ownership of a complex, high-availability database environment that supports a sophisticated operational software platform. This is an opportunity to join an innovative engineering team where reliability, performance …/MySQL databases. Develop and manage robust database schema migrations with safe deployment, validation and rollback processes. Monitor, analyse and optimise database performance in high-volume, write-intensive environments. Design and maintain backup, recovery and data retention strategies, regularly validating restore processes. Implement and maintain database security, permissions ...

projects Collaborate with stakeholders, including customers, to develop and maintain software Assist the software engineering manager in requirements management, estimation, and planning Focus on high-level architecture and long-term technical strategy Innovate solutions to improve software processes and quality Integrate software with hardware to deliver complete systems Optimise … application architectures for scalability and performance Monitor system performance and troubleshoot issues to ensure high availability and reliability Design, implement, and maintain CI/CD pipelines to automate software delivery processes Supervisory Responsibilities: Technical mentoring of engineers across the organisation Sprint board management Required Skills: Ability to make ...

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 ...

Operational Acceptance Testing (OAT), Operational Readiness Testing (ORT), and Non-Functional Testing. Knowledge of cloud platforms such as Azure, AWS, or GCP. Experience testing high availability, resilience, backup and recovery, monitoring, and security. Experience using Jira for test planning, execution, and defect management. Strong stakeholder management, leadership ...

engineering, microservices and cloud-native technologies Infrastructure as Code (Terraform), CI/CD and automation Hybrid cloud and/or on-premise platform environments High availability, resilience, disaster recovery and platform security Working within large enterprise, managed services or regulated environments This role would suit someone ...

engineering, microservices and cloud-native technologies Infrastructure as Code (Terraform), CI/CD and automation Hybrid cloud and/or on-premise platform environments High availability, resilience, disaster recovery and platform security Working within large enterprise, managed services or regulated environments This role would suit someone ...

smooth operation of business-critical systems while driving continuous improvement across our managed services. From overseeing Linux and Windows environments to managing VMware, networking, high availability, security and automation, you'll be at the heart of delivering exceptional service to our customers. You'll prioritise workloads, manage incidents ...

/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 ...

function as part of its long-term digital transformation strategy. This is an exciting opportunity for an experienced Senior Solution Architect to join a high-performing architecture team, where you'll play a key role in designing and delivering enterprise-wide technology solutions. You'll work closely with senior … across infrastructure, networking, security, middleware and integration technologies Experience with architecture governance, design authorities and technical assurance Strong understanding of security, risk management and high-availability solution design Knowledge of microservices, event-driven architecture and modern architectural patterns Experience supporting Agile delivery environments using tools such as Jira ...

powering critical customer-facing systems Breaking down and modernising legacy applications into distributed services Working on systems processing millions of events every day with high availability requirements Writing clean, well-tested, maintainable code following engineering best practice Participating in architecture discussions and technical design Mentoring engineers through code ...

Warehousing experience MS Fabric, SSIS, SSRS and Azure Data Factory Designing and maintaining CI & CD using tools like Azure DevOps Proven experience in building high availability databases/servers Proven experience in designing and implementing Disaster Recovery Proven experience in DB cluster creation and management Proven experience ...

Cisco ASR, Fortinet and BGP , so you'll need to be technically strong across these technologies rather than simply having supported them at a high level. The Role Working within an established Network Operations function, you'll act as a senior technical point of escalation whilst helping develop … troubleshoot complex network environments and work directly with customers to resolve technical issues. The position also participates in a 24x7 on-call rota , supporting high-availability customer environments alongside the organisation's own ISP and datacentre platform. A separate on-call allowance and paid callout payments are provided ...

hands-on position requiring strong expertise across routing & switching, network security, data centre networking and SD-WAN , alongside the ability to produce high-quality technical designs and lead delivery. Key Responsibilities Lead the design and implementation of complex network and security solutions. Produce HLDs, LLDs, implementation plans and operational … IPsec, SSL VPN and SD-WAN security . F5 BIG-IP , L4/L7 load balancing, SSL offloading and GSLB. Data centre networking and high-availability architectures. Network automation using Python, Ansible or network APIs is desirable. If this Network Security Architect role is of interest apply ...

applying crucial patches or upgrades. Performance Tuning & Optimisation: Monitor, optimise and deliver performance tuning or modifications to software code and database migrations to ensure high availability and prevent data loss. Development Collaboration: Partner closely with application developers on data models, system scalability, and security compliance using Azure DevOps. ...

operational environment. Working from the onsite workshop and across multiple machine rooms, you'll play a key role in maintaining the performance, reliability and availability of essential IT infrastructure supporting systems that the customer's operations depend on. What You'll Be Doing Key Responsibilities Provide onsite L2/… Experience Demonstrable hardware repair and maintenance experience within an enterprise environment. Strong fault-finding, diagnostic and troubleshooting skills. Experience supporting critical, operationally sensitive or high-availability environments. Knowledge of at least one of the following: IBM Mainframes: 9672, 2003, 2066 or 2096 IBM Tape Systems ...

agreed SLAs and KPIs. Storage & Backup Administration: Monitor and manage large-scale NetApp Storage and Cohesity backup environments across three data centre sites, ensuring high availability, performance, and resilience. NAS & SAN Operations: Handle NAS and SAN administration, including VMware integration, fabric switch configuration, zoning, and troubleshooting. Capacity & Asset ...