1 to 25 of 126 High Availability Jobs in the South East

Senior Network Engineer

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 EngineerAre you a seasoned network professional ready to lead the design … 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 AwarenessProactively identify operational risks, performance issues, and security gaps within ...

DBA Specialist

Hiring Organisation
Experis
Location
Winchester, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£530 - £555/day
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 ...

Network Engineer

Location
Guildford, England, United Kingdom
seeking an experienced Network Engineer with strong expertise in enterprise network security and data center networking. The role involves supporting, enhancing, and securing complex, high-availability network environments, as well as leading key initiatives such as upgrades, migrations, and incident resolution. The ideal candidate will have deep hands … security platforms and appliances. Lead network install, upgrade, migration, and decommissioning activities. Handle major network incidents and contribute to root cause analysis documentation. Ensure high availability, performance, and security across distributed environments. Perform packet analysis and advanced troubleshooting using industry‐standard tools. Collaborate with cross‐functional and global ...

Platform Engineer

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 Support change control and release management alongside Engineering and the Information Security Officer Reliability, Observability & Data Infrastructure Design and maintain systems for high availability, fault tolerance, and resilience by default Implement logging, monitoring, and alerting (for example CloudWatch) across services and infrastructure Maintain data pipelines, backup ...

Database Engineer (MongoDB, Postgres)

Location
Crawley, England, United Kingdom
infrastructure challenges.**Job Details**Viridien 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 with … 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 Administration*** Manage, maintain, and support MongoDB and relational database environments. ...

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 ...

Database Engineer (MongoDB, Postgres)

Hiring Organisation
CGG
Location
Asthall Leigh, Oxfordshire, UK
Employment Type
Full-time
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 … 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 ...

DBA Specialist

Location
Winchester, England, United Kingdom
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 ...

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 ...

Data Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Burgess Hill, West Sussex, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
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 ...

SQA DBA specialist

Hiring Organisation
Sanderson Government and Defence
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
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 ...

Product Engineering Environment Lead

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £650.00 per day
Opportunity In this role, you will take lead in transforming a complex, fragmented technical estate into an automated, high-performing environment. Operating within an enterprise-scale hybrid framework, you will streamline dev, test, and production environments across private cloud, public cloud, network topologies, and specialized physical hardware. Your Impact … Operating Model Transformation: Clarify responsibilities across SDLC and SRE functions to define clean ownership, clear interfaces, and improved throughput. Estate Stabilization: Improve availability, consistency, and provision lead times-especially across environments integrated with physical hardware. Resilience & Disaster Recovery: Mature High Availability posture, resolve critical risks, and establish ...

Senior Wintel Engineer

Location
Redhill, England, United Kingdom
Cybersecurity, and Cyberdefence via IndraMind. The company’s business model is built around a comprehensive portfolio of proprietary products, combining strong innovation with a high-value focus for customers. With more than 2,500 projects implemented across 50 countries and over 100 cities, Indra is a global benchmark … risks. Windows platform operations: Operate and maintain Microsoft Windows Server environments, Active Directory, Cluster Services, Group Policy, application services and related infrastructure components, supporting availability, performance, capacity, housekeeping and configuration control. Virtualisation and hybrid infrastructure support: Support VMware-based virtualisation platforms and hybrid Microsoft environments, including operational checks, incident ...

Infrastructure Platform Engineer

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 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 ...

SQL DBA - Security Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Basingstoke, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
High Level Clearance Location: Basingstoke - Onsite Clearance: Active UK DV Clearance - Essential Contract: Contract IR35: Outside IR35 Rate: £550 to £600 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 ...

Front Office Systems Manager (Ticketing Systems)

Hiring Organisation
Gattaca
Location
Redhill, Surrey, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum
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 ...

Front Office Systems Manager (Ticketing Systems)

Hiring Organisation
Matchtech
Location
Redhill, Surrey, United Kingdom
Salary
£ 70 K
validators, 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 ResponsibilitiesLead the end-to-end support and operation of front … environments.Lead engagement with the client on:System performanceIncident trendsService improvementsOperational risks and mitigationEnsure 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 to a cross-functional team ...

Front Office Systems Manager (Ticketing Systems)

Hiring Organisation
Matchtech
Location
Redhill, Surrey, UK
Employment Type
Full-time
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 ResponsibilitiesLead the end-to-end support and operation … Lead engagement with the client on: System performanceIncident trendsService improvementsOperational risks and mitigationEnsure 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 to a cross ...

Sr. Site Reliability Engineer/ SWE

Hiring Organisation
Visa
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
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). ...

Software Engineer/ SRE (Linux)

Hiring Organisation
Visa
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
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). ...

Remote Full Stack Engineer (Backend Heavy)

Hiring Organisation
grabjobs
Location
Rochester, Kent, UK
distributed microservices architecture. Build responsive, intuitive user interfaces using React, Next.js and TypeScript to complement backend capabilities. Design, optimise and maintain MySQL databases for high-performance, high-availability applications. Contribute to CI/CD pipelines and automate build, test and deployment processes using Azure DevOps and Docker. … Write high-quality, maintainable code and conduct thorough code reviews to uphold engineering standards across the team. Collaborate with Product Owners, Business Analysts, UX Designers and fellow engineers to understand requirements and deliver robust end-to-end solutions. Mentor team members on backend and frontend development best practices, with ...

Remote Full Stack Engineer (Backend Heavy)

Hiring Organisation
grabjobs
Location
Bracknell, Berkshire, UK
distributed microservices architecture. Build responsive, intuitive user interfaces using React, Next.js and TypeScript to complement backend capabilities. Design, optimise and maintain MySQL databases for high-performance, high-availability applications. Contribute to CI/CD pipelines and automate build, test and deployment processes using Azure DevOps and Docker. … Write high-quality, maintainable code and conduct thorough code reviews to uphold engineering standards across the team. Collaborate with Product Owners, Business Analysts, UX Designers and fellow engineers to understand requirements and deliver robust end-to-end solutions. Mentor team members on backend and frontend development best practices, with ...

Infrastructure Engineer (Farnborough)

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 ...

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 ...

CNI Team Lead

Location
Wokingham, England, United Kingdom
interest in the role. Key Accountabilities 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 … 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 ...