1 to 25 of 67 Permanent High Availability Jobs in the South East

Senior Network Engineer

Hiring Organisation
Jobleads-UK
Location
Portsmouth, England, United Kingdom
infrastructure across our UK data center and office environments. This role is focused on data center networking, load balancing, and core network services, ensuring high availability, performance, and security across all platforms.**Job Description:****Exciting Opportunity: Senior Network Engineer**Are you a seasoned network professional ready to lead … infrastructure across our UK data center and office environments. This role is focused on data center networking, load balancing, and core network services, ensuring high availability, performance, and security across all platforms.**What You’ll Do:*** **Strategic Support & Risk Awareness*** Proactively identify operational risks, performance issues, and security ...

Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Milton Keynes, England, United Kingdom
tooling — infrastructure as code (Terraform, CloudFormation, or CDK), CI/CD pipelines, API Gateway, Lambda, and Aurora PostgreSQL — and confident applying fundamentals such as high availability, fault tolerance, observability, and cost control in a live environment. Payments or fintech exposure is an advantage but not required; what matters … tooling — infrastructure as code (Terraform, CloudFormation, or CDK), CI/CD pipelines, API Gateway, Lambda, and Aurora PostgreSQL — and confident applying fundamentals such as high availability, fault tolerance, observability, and cost control in a live environment. Core Responsibilities Provision, configure, and harden AWS environments — networking, compute, and storage ...

SC Cleared SQL Database Administrator

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
performance optimization, and security of Microsoft SQL Server environments. The role requires experience supporting production databases, troubleshooting complex issues, implementing database changes, and ensuring high availability and data integrity.The ideal candidate combines strong technical expertise with a proactive approach to problem-solving and effective collaboration with application, infrastructure … support Microsoft SQL Server environments. Perform database installations, configuration, upgrades, patching, and migrations. Manage databases, instances, security settings, users, roles, and permissions. Ensure database availability, reliability, and operational stability. Performance & Optimization Monitor and optimize database performance. Investigate and resolve performance bottlenecks, locking issues, and query-related problems. Analyze execution ...

SQL Database Administrator

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
performance optimization, and security of Microsoft SQL Server environments. The role requires experience supporting production databases, troubleshooting complex issues, implementing database changes, and ensuring high availability and data integrity.The ideal candidate combines strong technical expertise with a proactive approach to problem-solving and effective collaboration with application, infrastructure … support Microsoft SQL Server environments. Perform database installations, configuration, upgrades, patching, and migrations. Manage databases, instances, security settings, users, roles, and permissions. Ensure database availability, reliability, and operational stability. Performance & Optimization Monitor and optimize database performance. Investigate and resolve performance bottlenecks, locking issues, and query-related problems. Analyze execution ...

Database Engineer (MongoDB, Postgres)

Hiring Organisation
CGG
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 70 K
transition and infrastructure challenges. Job DetailsViridien is seeking a Database Engineer to design, maintain, and optimise database platforms that support global production systems and high-performance computing workloads.This role focuses on managing MongoDB and relational database environments, ensuring they remain secure, scalable, and highly available. You will work closely … underpin Viridien's global software and HPC environments.The team works closely with software developers, infrastructure engineers, and operations teams to deliver reliable, scalable, and high-performing database services that support data-intensive applications across the business.Key Responsibilities-Database AdministrationManage, maintain, and support MongoDB and relational database environments.Install, configure ...

Software Engineer

Hiring Organisation
Jobleads-UK
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 ...

Service Delivery Manager

Hiring Organisation
Hays
Location
Southampton, Hampshire, United Kingdom
Salary
£ 45 K
cloud, and hybrid environments while translating business needs into clear technical roadmaps and delivery plans. The role also carries accountability for critical systems, ensuring high availability, performance, and recoverability in a demanding operational setting.In addition, you will lead and develop a team of senior engineers, providing direction, mentoring … ITIL.A proactive approach to continuous improvement, resilience planning, and service delivery will be key, along with the ability to operate effectively in a high-availability, high-pressure environment.What you'll get in returnIn return, you will join a forward-thinking organisation where technology underpins critical public services. ...

CNI Team Lead

Hiring Organisation
Jobleads-UK
Location
Wokingham, England, United Kingdom
Lead the CNI Platform RedHat team Provide 24/7 system management and administration expertise in a high-availability, mission-critical environment Engage and collaborate with all technical leads Liaise with third-party service centers and engineers as needed Support project teams by designing, reviewing, and approving future … medium-sized team in an Infrastructure/Application ITIL/DevSecOps-based support environment Background in managing business-critical real-time systems, ensuring high levels of availability through direct actions Commitment to accountability and follow-through in resolving issues successfully Ability to produce technical reports and documentation tailored ...

Senior MS SQL Database Administrator

Hiring Organisation
KBR
Location
Leatherhead, Surrey, United Kingdom
Salary
£ 80 K
part of that new company. Our Mission Technology Solutions business partners with governments and defense, intelligence, space, aviation, and critical infrastructure customers to deliver high-end engineering, science, technology, and mission support solutions. From national security and readiness to advanced research, cyber, logistics, and life-cycle sustainment, our teams … leveraging technology to create lasting business value.About the RoleThe Senior MS SQL Database Administrator is responsible for the administration, maintenance, performance, security, and availability of enterprise Microsoft SQL Server environments supporting critical business applications worldwide. This role serves as a senior member of the Global Database Team, providing technical ...

Infrastructure Platform Architect

Hiring Organisation
Hackajob Ltd
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
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 ...

Infrastructure Architect

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 per day
standardisation. Support infrastructure transformation planning and migration activities. Ensure business continuity and operational stability throughout transition and implementation phases. Solution Design & Assurance Produce high-level and detailed infrastructure designs. Develop infrastructure standards, architectural patterns, and reference architectures. Review and assure solution designs delivered by internal teams, suppliers, and technical … partners. Ensure designs meet security, availability, resilience, performance, and operational support requirements. Provide architecture governance and technical assurance across the programme. Platform & Service Alignment Define architectural requirements for hosting, connectivity, workplace technology, and platform services. Ensure infrastructure services support future operational and service management requirements. Align infrastructure architecture with ...

Schools ICT Engineer

Hiring Organisation
Agilisys
Location
Seaview, Isle of Wight, United Kingdom
Salary
£ 80 K
dedicated to improving public services and, ultimately, people's lives.THE ROLEKey ResponsibilitiesThe Schools ICT Engineer is a vital role within Agilisys, providing high‐quality, onsite ICT support within a large secondary school in St Helens. You will play a key part in ensuring the smooth operation … school IT services, supporting staff, students, and visitors, and maintaining a reliable, highavailability environment.Specific DutiesProvide face‐to‐face and remote support to students, staff, and visitorsLog, manage, and resolve ICT incidents within defined SLAs and KPIsDeliver exceptional customer service at all timesBuild, configure, and deploy end‐user ...

Infrastructure Platform Architect

Hiring Organisation
Jobleads-UK
Location
Farnborough, England, United Kingdom
Azure, or 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 Leadership & GovernanceLead infrastructure … designing and 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 in infrastructure architecture ...

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 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 ...

CNI Platform Lead: Storage & High-Availability

Hiring Organisation
Jobleads-UK
Location
Wokingham, England, United Kingdom
Jobtailor is seeking a senior IT infrastructure lead to head the CNI Platform RedHat team in a high-availability environment in the United Kingdom. You will maintain 24/7 system operability, collaborate with technical leads, and coordinate with third-party service centers as needed. You will help ...

Data Centre Architect

Hiring Organisation
LMA Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£650.00 - £700.00 per day
Hybrid) Employment Type: Permanent The Opportunity We are supporting a major payments infrastructure programme and are seeking experienced Data Centre Architects to join a high-performing team responsible for the design and delivery of critical on-premise environments supporting payment processing platforms. This is an opportunity to work … scalable solutions. Key Responsibilities Lead the architecture and technical design of enterprise-scale on-premise data centre environments. Develop infrastructure solutions that deliver high availability, resilience, security, and operational efficiency. Define network connectivity, routing, and integration architectures across complex technology landscapes. Perform interface mapping and dependency analysis between ...

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 ...

Application Support Engineer (Cash Equities)

Hiring Organisation
Lorien
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Equities London (100% office) 12 months (initial) Competitive (Via Umbrella) Overview We are seeking an experienced Application Support Engineer (AVP level) to join a high-performing Application Production Support (APS) team within a leading global investment bank in London. You will play a critical role supporting a low-latency … developers to ensure stability, performance, and continuous improvement of a mission-critical execution environment. This is an excellent opportunity to gain exposure to high-frequency trading systems, global markets, and cutting-edge real-time technologies in a fast-paced environment. Key Responsibilities Provide hands-on Level 1/ ...

Senior Identity Management Engineer

Hiring Organisation
CloudPay
Location
Andover, Hampshire, United Kingdom
Salary
£ 70 K
excellent employee experience through fulfilling projects, empowerment to make a difference, and an environment that inspires innovation.What makes this role excitingThis role balances high-level architectural vision with deep, hands-on technical execution. It is a critical role responsible for end-to-end delivery of our identity modernisation roadmap. … operational maintenance of ForgeRock Identity and Access Management (PingOne Advanced Identity Cloud). Define and deliver ForgeRock deployment and platform strategy, including environment architecture, high availability and resilience design, and controlled release governance. Design, configure, and optimise user journeys across authentication, registration, recovery, and federation use cases. Build ...

Sr. Azure Engineer

Hiring Organisation
Jobleads-UK
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 ...

Infrastructure Engineer

Hiring Organisation
Copello
Location
Aldershot, Hampshire, United Kingdom
Salary
£ 70 K
exciting opportunity to work on innovative projects, leverage the latest technology stacks, and contribute to secure, scalable, and resilient infrastructure that supports high-stakes operations.In this role, you will be at the forefront of implementing modern infrastructure solutions, utilizing a broad spectrum of technologies including VMware NSX, vSphere, ESXi … Technology, or a related fieldProven track record of 3+ years in infrastructure engineering or a similar role within secure and operational environmentsExperience operating in high-availability, security-sensitive settingsFor more information or to apply, please call 07771487618 or email martin@copello.co.uk ...

Senior OpenShift Platform Engineer

Hiring Organisation
Boeing
Location
Milton Keynes, Buckinghamshire, United Kingdom
Salary
£ 70 K
quality and adherence to contractual SLA and KPI requirements of the programme within Boeing Defence UK (BDUK)ResponsibilitiesRedhat OpenShift enterprise implementation and support.Ensuring availability, reliability, and performance of OpenShift/Container PlatformInstallation, maintenance, and configuration of production and non-production OpenShift environments.Perform patching, software implementations, and upgrades to Redhat … Specialist in OpenShift Administration Fluency in at least once scripting language such as Ruby, PowerShell, Python or Java.Experience of working within a secure and high availability environmentEmployer will not sponsor applicants for employment visa status. Relocation: This position does not offer relocation. Candidates must live in the immediate ...

Lead IT Network Administrator, Network, Voice, AV

Hiring Organisation
KBR
Location
Guildford, Surrey, United Kingdom
Salary
£ 100 K
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, full ...