1 to 25 of 48 High Availability Jobs in the South East

Software Engineer

Location
Milton Keynes, England, United Kingdom
build distributed systems on AWS using serverless-first principles Liaise with 3rd Party Engineering teams on all aspects of the engineering lifecycle Architect for high availability, fault tolerance, and resilience by default Validate 3rd Party deliverables, workshop solutions, troubleshoot issues Design scalable data approaches and reporting structures aligned … secure, PCI-aware designs aligned with payments industry expectations Data & Infrastructure Design and maintain data pipelines and reporting structures using AWS native tooling Apply high availability and fault tolerance patterns across all infrastructure Ensure codebases and infrastructure are maintainable and transferable across engineers Technology Environment AWS (primary platform ...

Cassandra Database Engineer

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£650.00 - £706.00 per day
looking for a hands-on Cassandra Database Engineer to join a major Financial Crime technology programme. This is a key technical role within a high-profile transformation programme, where you'll help design and build the Cassandra/NoSQL data platform supporting the migration of data from an existing … join a major Financial Crime technology programme supporting a significant NICE Actimize IFM upgrade . This is a key technical role within a high-profile transformation programme, where you'll help design and build the Cassandra/NoSQL data platform supporting the migration of data from an existing Oracle ...

Ticketing Systems Lead

Hiring Organisation
FBI &TMT
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
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 ...

Senior Infrastructure Engineer Citrix SME

Hiring Organisation
Solos Consultants Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
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 ...

Senior Citrix Infrastructure Engineer

Hiring Organisation
Rise Technical Recruitment Limited
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £600.00 per day
environment. Experience Required: * Extensive experience with Citrix Virtual Apps and Desktops * Design, build, upgrade and support of Citrix environments * Performance tuning and troubleshooting in high-availability environments * Integration with Active Directory and secure access solutions * Understanding of user experience optimisation in virtual desktop platforms * Experience operating Citrix … troubleshooting Strong indicator of enterprise-scale Citrix experience Citrix Certified Expert - Virtualization (CCE-V) (desirable for senior SMEs) Architecture-level knowledge Suitable for complex, high-availability environments Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised ...

Senior Software Engineer Python

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Sr. Azure Engineer

Location
Guildford, England, United Kingdom
Identities, Conditional Access, and Azure Policy.Ensure cloud security best practices through encryption, secrets management, monitoring, vulnerability remediation, and compliance alignment.Monitor system health, performance, and availability using Azure Monitor, Log Analytics, and Application Insights.Troubleshoot and resolve infrastructure, connectivity, deployment, and performance issues across Azure environments.Support cloud migration and modernization programs … support.Strong understanding of Azure networking, security, and governance.Experience with cloud monitoring, logging, and incident response.Good understanding of backup, disaster recovery, business continuity, and high availability architecture.Strong analytical, troubleshooting, and problem-solving skills.Excellent communication and collaboration skills. #J-18808-Ljbffr ...

Senior AWS Cloud Engineer | S4 | Data & AI Domain | Multiple Locations

Location
Milton Keynes, England, United Kingdom
Senior AWS Cloud Engineer | S4 | Data & AI Domain | Multiple LocationsCountry: United Kingdom IT STARTS HERE Santander (www.santander.com) is evolving from a global, high-impact brand into a technology-driven organisation , and our people are at the heart of this journey. Together , we are driving a customer-centric transformation that … building and running cloud platforms rather than line management. The difference you’ll make: Engineering and operating the AWS data lake infrastructure, ensuring high availability, resilience, performance, and security Designing, building, and maintaining Infrastructure as Code (IaC) for AWS environments, shared services, and data platform components Managing ...

Data Platform Engineer

Location
Southampton, England, United Kingdom
customer offering spanning financial advice, investment platforms, multi-asset investment solutions, and discretionary fund management. The business is comprised of two segments: Affluent and High Net Worth. Affluent encompasses the financial planning business, Quilter Financial Planning, the Quilter Investment Platform and Quilter Investors, the multi-asset investment solutions business. … High Net Worth includes the discretionary fund management business, Quilter Cheviot, together with Quilter Cheviot Financial Planning – offering a highly personalised service to private clients, charities, trustees, and professional partners. Quilter Cheviot has presence throughout the UK, Ireland and Channel Islands. At Quilter we never stand still. Our foundations ...

Senior Micro 365 Solution Engineer

Hiring Organisation
Ikhoi Recruitment
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Jabs. Financial & Lifestyle: Salary-Exchange Pension, Cycle-to-Work Scheme, Parental Support, and local discounts. As an experienced Microsoft 365 engineer looking to own high-impact projects and elevate internal technology at a pivotal stage of growth? We are looking for a Senior Solutions Engineer to join the Internal … solutions. Engineering Excellence: Elevate team capabilities through technical leadership, hands-on mentoring, and operational improvements. Governance & SOPs: Define standard operating procedures (SOPs), runbooks, and high-quality documentation to ensure system stability and smooth governance. System Ownership: Serve as a subject matter expert, managing high availability, troubleshooting escalations ...

DevOps Engineer

Hiring Organisation
Halian Technology Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
UK. Responsibilities Design, implement, test and improve automated deployment, configuration and upgrade processes across infrastructure, applications and supporting services. Ensure platform security, scalability and high availability, with a focus on zero downtime. Proactively monitor and maintain Kubernetes clusters, identifying and resolving issues before they impact service. Investigate incidents … bring the right people and the right technologies together. At Halian, we recognize that diversity, equity, and inclusion (DEI) are essential to building high-performing teams for our clients. We are committed to connecting organizations with top talent from all backgrounds, ensuring that every individual feels valued, respected ...

Cloud Platform Engineer

Location
Oxford, England, United Kingdom
Oracle Cloud Infrastructure Architect Associate or Professional, desirable Experience with Oracle Kubernetes Engine (OKE), Docker and Kubernetes, desirable Experience supporting AI, data, research or high-performance computing workloads, desirable Experience with cloud security, vulnerability management and compliance controls, desirable Knowledge of VMware, hybrid cloud and on-premises infrastructure integration … strong focus on Infrastructure as Code using Terraform and CI/CD practices. Proficient in cloud security, networking, and operational procedures to ensure high availability and performance of cloud workloads. Highest-signal resume keywords Oracle Cloud Infrastructure (OCI) Infrastructure as Code (Terraform) Cloud Security Controls CI/ ...

Database Administrator (DBA)

Hiring Organisation
Technify Talent Limited
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
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 ...

Manual Test Engineer - Telecom

Hiring Organisation
Capgemini
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
flows, Charging functions (OCS/CHF), Policy control (PCRF/PCF). Security and authentication procedures (AKA, EAP-AKA'). Roaming and interworking scenarios. High Availability (HA) and Disaster Recovery (DR) testing. Preferred Certifications 5G Core or LTE Certification. ISTQB Foundation Level. Red Hat Certified System Administrator (RHCSA ...

Senior ML Infrastructure Engineer - AI MLOps Oxford, England, United Kingdom

Location
Oxford, England, United Kingdom
accelerate experimentation and turn ideas into results-faster, at scale, and with confidence. Day-to-day, you might: Build,operate, and continuously optimise our high-performance GPU training and inference clusters, focusing on robust, high-availability scheduling, isolation, and automated lifecycle management. Drive systems design and implementation … high-throughput data paths, optimising I/O, caching, and data locality across compute and storage (including our current Lustre implementation). Proactively benchmark, profile, and resolve performance bottlenecks across the compute, network, and orchestration layers to maximise efficiency for distributed training and inference. Establish comprehensive observability, resilience ...

Senior Systems Engineer (Server and Cloud Technologies Specialist)

Hiring Organisation
Trusted Technology Partnership
Location
Ringwood, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
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 ...

Senior Site Reliability Engineer

Location
Reading, England, United Kingdom
with our lead/backend/staff engineers. Who you are (must-haves) 5+ years in infrastructure engineering, DevOps, or SRE, operating large-scale, high-availability production systems using Kubernetes Production Operational experience - a live cluster under real load, not a lab. Fluent with Helm, and Terraform … standardisation vs. one-off) At least one infrastructure build you owned end to end - with the outcome metric attached (deploy time, MTTR, cost, adoption, availability). Cross-functional strength. Track record working with product, backend/frontend teams to pull through collective initiative. ML & AI platform (strongly preferred) Running ...

Lead Site Reliability Engineer

Hiring Organisation
Hackajob Ltd
Location
Milton Keynes, England, United Kingdom
with team members to identify comprehensive service level indicators and stakeholders to establish reasonable service level objectives and error budgets with customers Demonstrates a high level of technical expertise within one or more technical domains and proactively identifies and solves technology-related bottlenecks in your areas of expertise Acts … logging best practices. Certification in AWS, Kubernetes, or relevant technologies. Proven track record in system health monitoring, capacity management, and blameless postmortems for high-availability services Deep understanding of distributed system design principles, networking (TCP/IP, DNS, load balancing), Linux internals. Contributions to open-source observability ...

Principal Platform Architect (OpenShift)

Hiring Organisation
F5 consultants
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
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 ...

AWS Architect

Hiring Organisation
TALENT INTERNATIONAL UK LTD
Location
Reading, England, United Kingdom
cloud infrastructure aligns with stringent public sector security guidelines, NCSC principles, and national security compliance frameworks. Key Responsibilities Secure Solution Architecture: Design and deploy high-availability, fault-tolerant containerized applications on AWS (EKS, ECS, Fargate) adhering to strict public sector security standards. Security and Compliance: Enforce public sector ...

AWS Architect

Hiring Organisation
TALENT INTERNATIONAL UK LTD
Location
London South East, England, United Kingdom
cloud infrastructure aligns with stringent public sector security guidelines, NCSC principles, and national security compliance frameworks. Key Responsibilities Secure Solution Architecture: Design and deploy high-availability, fault-tolerant containerized applications on AWS (EKS, ECS, Fargate) adhering to strict public sector security standards. Security and Compliance: Enforce public sector ...

Senior Infrastructure Integration Engineer

Hiring Organisation
Networking People (UK) Limited
Location
Milton Keynes, England, United Kingdom
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 ...

Senior Solution Architect

Hiring Organisation
Sanderson Recruitment
Location
Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Forward Deployed AI Engineer

Location
Crawley, England, United Kingdom
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 … waste reduction enterprises. Our Hiring Process At 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 the role ...

Kong API Gateway Specialist

Hiring Organisation
Infoplus Technologies UK Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £450.00 per day
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 ...