1 to 25 of 79 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. ...

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 ...

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 ...

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 ...

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 ...

Infrastructure Engineer

Hiring Organisation
Experis
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £460/day
proactive Infrastructure Engineer to design, implement, support, and maintain the organization's IT infrastructure. The successful candidate will be responsible for ensuring the availability, performance, security, and scalability of core infrastructure services, including servers, storage, virtualization platforms, operating systems, cloud services, and network-connected systems. The Infrastructure Engineer will … that support business objectives. Key Responsibilities Infrastructure Management Design, deploy, and maintain enterprise infrastructure solutions. Administer physical and virtual server environments. Manage infrastructure performance, availability, capacity, and lifecycle activities. Implement and maintain high-availability and disaster recovery solutions. Support datacenter and cloud infrastructure platforms. Server & Operating System ...

Senior DevOps Engineer

Hiring Organisation
Intec Select Ltd
Location
London, Oxford Circus, United Kingdom
Employment Type
Permanent
Salary
£90000 - £100000/annum
existing processes, infrastructure and automation. Advise stakeholders on technical approaches, risks, trade-offs and potential business impacts. Support cloud infrastructure, networking, security, monitoring and high-availability solutions. Maintain clear documentation and change records, keeping stakeholders informed of significant changes. Participate in an out-of-hours support rota ...

Controls Engineer, EMEA Controls

Hiring Organisation
Amazon
Location
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
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 ...

DevOps Engineer

Hiring Organisation
Halian Technology Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Doing Build, improve, and maintain automated deployment, configuration, and upgrade processes across infrastructure and applications. Help ensure platform security, scalability, and high availability, supporting a zero-downtime approach wherever possible. Monitor and manage Kubernetes environments, proactively identifying and resolving issues. Investigate incidents, conduct root cause analysis, and implement … 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 ...

Network Service Delivery Engineer

Location
Wokingham, England, United Kingdom
centres, cloud platforms, and critical national infrastructure environments. Experience designing resilient internet connectivity solutions including dual ISP connectivity, provider independent addressing, DDoS protection, and high availability networking. Network Automation, Orchestration & AI‐Driven Operations Proven ability to identify, establish and drive opportunities for automation across network operations, service delivery … across corporate, operational and critical‐site environments. Deep understanding of: RF design and optimisation, Wireless security, NAC integration, Client roaming, Location services, Spectrum management, High‐density deployments Experience developing wireless strategies supporting modern collaboration technologies, hybrid working, operational technology and IoT integration. Knowledge of Wi‐Fi 7 advancements including ...

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 ...

Infrastructure Engineer

Location
Bracknell, England, United Kingdom
practices Participate in incident response, threat simulation and operational runbooks Collaborate with development teams to resolve technical issues and support deployments Design systems with high availability and disaster recovery in mind Support a global, always-on environment About You Bachelor's degree in Computer Science, a STEM field … automation skills (e.g. PowerShell, Python) Understanding of containerisation and orchestration (e.g. Docker, Kubernetes) Excellent troubleshooting and problem-solving skills Strong written and verbal communication High attention to detail and ability to work under pressure Understanding of security principles and monitoring practices is desirable About The Company Content Guru ...

Senior Infrastructure Operations Engineer

Location
Bracknell, England, United Kingdom
technically skilled and solutions-driven Senior Infrastructure Operations Engineer to join our expanding Engineering team in Braacknell, Berkshire. If you have a passion for high-availability infrastructure, automation, and delivering mission-critical services at scale, we’d love to hear from you. What we are looking for... ...

Senior Forward Deployment Engineer

Location
Slough, England, United Kingdom
OpenShift, showing understanding of container orchestration platforms. Experience designing hot‐hot, active‐active, multi‐region, or cross‐datacenter deployment architectures, denoting knowledge of high‐availability systems. Experience with resilience testing, disaster recovery, controlled failover, and production‐recovery exercises, highlighting skills in system reliability and continuity planning. Experience with ...