1 to 25 of 215 High Availability Jobs in England

Network Security Engineer - Chinese-backed Financial Services

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
proxies, perimeter security) Implement and maintain server, endpoint, and end-user security controls Support and enhance core infrastructure services, including VPNs, databases, replication, and high availability Administer Windows and Linux environments Own and lead the local technology function, working closely with global teams Operate within a regulated environment … support cloud platforms such as AWS, Azure, or GCP Design, secure, and support high-availability network infrastructure Manage server, endpoint, and perimeter security controls Partner with regional and global technology teams on delivery and improvement initiatives What you'll bring: 6+years' experience in networking technologies, including BGP,HSRP ...

Senior Back End Developer

Hiring Organisation
KodeLab
Location
London Area, United Kingdom
financial transactions to AI-driven platforms and Web3 integrations . We are looking for a Back-End Developer who can build and maintain scalable, high-performance systems that keep our fintech ecosystem running seamlessly. This role is critical and sensitive to our operations, requiring a developer who is highly … proactive in maintaining system integrity. What You’ll Do Develop & Maintain Scalable Back-End Systems – Build and optimize microservices and APIs that support high-traffic fintech applications. Ensure Security & Reliability – Implement secure authentication, encryption, and data integrity measures for fintech and blockchain solutions. Optimize Performance & Scalability – Design database structures ...

Senior Infrastructure Engineer

Hiring Organisation
Randstad Digital
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Contract, Work From Home
operations or 'maintenance' role. We need a builder-someone who can jump straight into design and delivery, applying NetDevOps principles to support critical, high-availability services. You'll be bridging the gap between traditional networking and modern cloud-integrated infrastructure. Key Responsibilities Design & Implementation: Build and enhance enterprise … Skills (The 'Must-Haves') To be successful, you need deep, hands-on expertise in: Enterprise Network Engineering Complex OSPF & BGP routing. Design of resilient, high-availability traffic flows. Firewall & Security Extensive experience with Palo Alto firewalls. Network segmentation and Zero Trust architecture. Data Center Architecture VXLAN/EVPN ...

SIEM Engineer

Hiring Organisation
Sopra Steria
Location
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
25 days holidays, 6% Contributory pension, 4 x life Insurance
ingestion, enrichment and schema standardisation. Develop and tune security detection content, translating threat intelligence and TTPs aligned to MITRE ATT&CK into actionable, high-value alerts. Manage the full detection content lifecycle: design, test, deploy, monitor, tune and retire, using version control and rollback processes. Automate workflows and platform …/CD, SOAR, scripting and Infrastructure as Code tools such as Terraform and Ansible. Ensure platform performance, stability and resilience through capacity planning, high availability, disaster recovery and proactive monitoring. Provide technical leadership and guidance to internal teams and clients on security monitoring strategy and best practice. What ...

Wintel Engineer

Hiring Organisation
Experis
Location
Cumbria, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £414/day
Sole UK National Role purpose/summary The Wintel Engineer will be responsible for managing and supporting enterprise Windows and VMware environments, ensuring high availability, resilience, and performance. This role involves advanced virtualization, storage replication, and network integration. Key Responsibilities Administer and maintain VMware ESXi hosts, clusters … SRDF Metro and storage replication technologies. Familiarity with Cisco ACI and network virtualization concepts. Expertise in Windows Server administration and clustering. Understanding of high availability and disaster recovery strategies. Experience in large-scale enterprise environments. Preferred Qualifications VMware certifications (VCP, VCAP). Microsoft certifications (MCSA, MCSE). Experience ...

DevOps Engineer

Hiring Organisation
VIQU IT
Location
London, Charing Cross, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day Outside IR35
testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/or Bicep Strong … advanced pipelines using GitHub Actions Strong understanding of pipeline orchestration, automation, and deployment strategies Key Responsibilities of the Azure DevOps Engineer: Design and implement high availability Azure architectures, including regional failover and load balancing strategies embedded within IaC templates Build and maintain scalable, reusable Terraform and/ ...

Wintel Engineer

Hiring Organisation
Experis
Location
Cumbria, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £496/day
MUST BE PAYE THROUGH UMBRELLA Role Description: The Wintel Engineer will be responsible for managing and supporting enterprise Windows and VMware environments, ensuring high availability, resilience, and performance. This role involves advanced virtualization, storage replication, and network integration. ________________________________________ Key Responsibilities Administer and maintain VMware ESXi hosts, clusters … SRDF Metro and storage replication technologies. Familiarity with Cisco ACI and network virtualization concepts. Expertise in Windows Server administration and clustering. Understanding of high availability and disaster recovery strategies. Experience in large-scale enterprise environments. Security Clearance Must hold SC clearance Must be UK British National (not dual ...

Oracle Database Administrator

Hiring Organisation
Talent Locker
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £650 per day
appointment. Overview Are you an experienced Oracle Database Administrator (DBA) looking to support, manage, and optimise mission-critical Oracle database environments within a high-security public sector organisation? This role requires strong technical capability and experience working in secure and regulated environments. Key Responsibilities Install, configure, patch, upgrade … RMAN, including disaster recovery processes Monitor database performance and deliver tuning and optimisation activities Administer users, roles, privileges, auditing, and database security controls Support high availability solutions including Oracle RAC and Data Guard Troubleshoot incidents and provide on-call support where required Ensure compliance with security standards ...

Senior EUC Engineers - Exchange

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Responsibilities Design and implement Microsoft Exchange architecture across hybrid and cloud environments Lead the design and planning of Exchange migrations and upgrades Produce High-Level and Low-Level Design documentation (HLD/LLD) Design mail flow architecture, including routing and connectors Define high availability and disaster recovery … Proven experience with Exchange Hybrid architecture Experience delivering Exchange migrations (on-prem to cloud or hybrid) Strong knowledge of: Mail flow design Hybrid Exchange High availability and DR Experience producing HLD and LLD documentation Technical Environment Microsoft Exchange Online On-Prem Exchange (2016/2019) Microsoft 365 Microsoft ...

UNIX Engineer - MUST BE SC CLEARED - Barrow in Furness, Cumbria - 3 MONTHS+

Hiring Organisation
Octopus Computer Associates
Location
Barrow-in-furness, Cumbria, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
managing and supporting enterprise UNIX environments, focusing on Oracle Solaris platforms and advanced virtualization technologies. This role involves system configuration, migration projects, and ensuring high availability through resilient cluster setups. Key Responsibilities Administer and maintain Oracle Solaris systems on T-series hardware (T5, T7, T8). Configure … manage LDOMs (Logical Domains) for virtualization. Perform system migrations and upgrades across UNIX environments. Design and implement resilience clusters for high availability and disaster recovery. Monitor system performance and troubleshoot complex UNIX issues. Collaborate with infrastructure and application teams to ensure seamless integration. Maintain compliance with security ...

Data Centre Electrical Shift Manager - Technical

Hiring Organisation
PRS
Location
Slough, England, United Kingdom
Data Centre Technical Electrical Biased Shift Manager – Data Centre Operations – High Voltage Experienced Package @74,000K plus Overtime Location: Slough Continental Shift Pattern 12 Hour Shift s Days and Nights Site – AI READY Data Centre Opportunity – Progressive contract and promotion and career development Salary £65,000 Plus Shift Allowance … operational excellence across critical electrical and mechanical systems. You’ll guide a skilled team of engineers, ensuring safe, compliant, and efficient maintenance across a high-availability facility that powers global operations. This is a hands-on leadership role — ideal for candidates with a strong high-voltage ...

IT Infrastructure & Support Manager

Hiring Organisation
THAMES 360
Location
Banbury, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
Onsite Salary: £55,000 – £65,000 per annum (dependent on experience) + excellent benefits Are you an experienced IT Infrastructure leader ready to drive high availability, lead projects, and elevate service desk performance in a dynamic business environment? We are seeking a hands-on IT Infrastructure & Support Manager … core business systems, including monitoring, support, and maintenance of Progress OpenEdge databases. Manage day-to-day IT Service Desk operations — ensuring prompt issue resolution, high customer satisfaction, SLA/KPI adherence, and performance tracking. Lead infrastructure projects (upgrades, deployments, growth initiatives) — defining scopes, coordinating resources, delivering on time/ ...

SC Cleared Wintel Engineer

Hiring Organisation
Hays
Location
Cumbria, North West, United Kingdom
Employment Type
Contract
work and the organisation. Your new role The Wintel Engineer will be responsible for managing and supporting enterprise Windows and VMware environments, ensuring high availability, resilience, and performance. This role involves advanced virtualization, storage replication, and network integration. Key Responsibilities Administer and maintain VMware ESXi hosts, clusters … SRDF Metro and storage replication technologies. Familiarity with Cisco ACI and network virtualization concepts. Expertise in Windows Server administration and clustering. Understanding of high availability and disaster recovery strategies. Experience in large-scale enterprise environments. What you need to do now If you're interested in this role ...

Unix Engineer

Hiring Organisation
LA International Computer Consultants Ltd
Location
Barrow-in-furness, Cumbria, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 537 Daily
managing and supporting enterprise UNIX environments, focusing on Oracle Solaris platforms and advanced virtualization technologies. This role involves system configuration, migration projects, and ensuring high availability through resilient cluster setups. Key Responsibilities * Administer and maintain Oracle Solaris systems on T-series hardware (T5, T7, T8). * Configure … manage LDOMs (Logical Domains) for virtualization. * Perform system migrations and upgrades across UNIX environments. * Design and implement resilience clusters for high availability and disaster recovery. * Monitor system performance and troubleshoot complex UNIX issues. * Collaborate with infrastructure and application teams to ensure seamless integration. * Maintain compliance with security ...

Database Administrator (SQL DBA)

Hiring Organisation
Akkodis
Location
Prudhoe, Northumberland, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
data. Our client is a tech-driven organisation operating at the heart of the UK digital ecosystem, supporting thousands of businesses through a complex, high-availability platform. Behind the scenes, robust data infrastructure is critical - and that's where you come in. We're looking for an experienced … improvement, this could be a great fit. What you'll be doing Install, configure, and maintain SQL Server (and some MySQL) environments Monitor performance, availability, and capacity Troubleshoot and resolve complex database incidents Remediate legacy SQL environments Maintain backup and recovery strategies Provide 2nd and 3rd line support Collaborate ...

Database Administrator (SQL DBA)

Hiring Organisation
Akkodis
Location
Nelson, Lancashire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
data. Our client is a tech-driven organisation operating at the heart of the UK digital ecosystem, supporting thousands of businesses through a complex, high-availability platform. Behind the scenes, robust data infrastructure is critical - and that's where you come in. We're looking for an experienced … improvement, this could be a great fit. What you'll be doing Install, configure, and maintain SQL Server (and some MySQL) environments Monitor performance, availability, and capacity Troubleshoot and resolve complex database incidents Remediate legacy SQL environments Maintain backup and recovery strategies Provide 2nd and 3rd line support Collaborate ...

Database Administrator (SQL DBA)

Hiring Organisation
Akkodis
Location
Kingston Upon Hull, East Riding of Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
data. Our client is a tech-driven organisation operating at the heart of the UK digital ecosystem, supporting thousands of businesses through a complex, high-availability platform. Behind the scenes, robust data infrastructure is critical - and that's where you come in. We're looking for an experienced … improvement, this could be a great fit. What you'll be doing Install, configure, and maintain SQL Server (and some MySQL) environments Monitor performance, availability, and capacity Troubleshoot and resolve complex database incidents Remediate legacy SQL environments Maintain backup and recovery strategies Provide 2nd and 3rd line support Collaborate ...

UNIX Engineer

Hiring Organisation
eTeam Workforce Limited
Location
Barrow-in-furness, Cumbria, United Kingdom
Employment Type
Contract
Contract Rate
GBP 537 Daily
managing and supporting enterprise UNIX environments, focusing on Client Solaris platforms and advanced virtualization technologies. This role involves system configuration, migration projects, and ensuring high availability through resilient cluster setups. Key Responsibilities Administer and maintain Client Solaris systems on T-series hardware (T5, T7, T8). Configure … manage LDOMs (Logical Domains) for virtualization. Perform system migrations and upgrades across UNIX environments. Design and implement resilience clusters for high availability and disaster recovery. Monitor system performance and troubleshoot complex UNIX issues. Collaborate with infrastructure and application teams to ensure seamless integration. Maintain compliance with security ...

IT Systems Engineer

Hiring Organisation
Queen Alexandra Charity
Location
Harborne, Birmingham, United Kingdom
Employment Type
Permanent
Salary
GBP 41,885 - 51,717 Annual
recognised standards (e.g. PCI DSS, ISO 27001) Produce clear technical documentation and operational guidance Collaborate with stakeholders across operations, security, and audit functions Support high-availability systems and respond effectively to incidents Essential Criteria Relevant industry certifications (e.g. MSP, Security+, CCNA, Palo Alto or equivalent) Minimum 5 years … Excellent written and verbal communication skills Experience managing stakeholder relationships across multiple functions Self-motivated with the ability to take ownership and work in high-availability environments Commitment to equality, diversity, and inclusion Flexible approach to working hours, including out-of-hours support Full UK driving licence ...

UNIX Engineer

Hiring Organisation
Stealth IT Consulting
Location
Cumbria, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
enhance enterprise-scale infrastructure, with a strong focus on Oracle Solaris and virtualisation technologies. Role Overview This role involves managing complex UNIX environments, ensuring high availability, resilience, and secure system operations across large enterprise platforms. Key Responsibilities Administer and support Oracle Solaris systems Manage LDOMs (Logical Domains … virtualisation Deliver system migrations and upgrades across UNIX environments Design and support high-availability clustering solutions Monitor system performance and resolve complex technical issues Collaborate with infrastructure and application teams Maintain compliance with security and operational standards Required Skills & Experience Strong hands-on experience with Oracle Solaris LDOM ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
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 ...

Software Engineer - Golang Developer - AWS - Kubernetes - Financial Services

Hiring Organisation
Rothstein Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
risk management systems across the firm. The ideal candidate will have a good foundation in Golang development, with good experience in building scalable, high-performance applications with low latency and high throughput. Proficiency in containerization with Docker, cloud services with AWS, and a background in the financial … banking industries is highly desirable. Key Responsibilities: Design, develop, and maintain high-performance Back End services using GoLang to support financial applications and services, including trading platforms, investment systems, and risk management tools. Build and deploy cloud-based solutions using Amazon Web Services (AWS), including services such ...

Senior Golang Developer - Kubernetes - Financial Services

Hiring Organisation
Rothstein Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 120,000 - 160,000 Annual
eager to apply your technical expertise to the financial services industry, this is the role for you. Key Responsibilities: Design, develop, and maintain high-performance Back End services using GoLang to support financial applications and services , including trading platforms, investment systems, and risk management tools. Build and deploy cloud … requirements, and ensure that applications meet financial regulatory standards and business needs. Optimize the performance of Back End services, ensuring low-latency responses and high availability, critical for financial services. Implement CI/CD pipelines, automated testing, and monitoring systems to ensure the reliability and stability of production ...

Lead Enterprise Architect

Hiring Organisation
ECS Resource Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day IR35 Status TBC
they are looking for an experienced Lead Enterprise Architect to play a crucial role in the design and implementation of a business critical and high priority project that will transform and modernise their primary revenue source. What you'll do Full ownership of the enterprise architecture strategy … emerging AI capabilities Own key technology decisions including vendor strategy and "build vs buy" across critical platforms Design platforms that operate at scale: High volume, high availability, and no room for failure Lead the shift towards platform-based architecture with clear ownership and long-term sustainability Turn ...

Java React Fullstack Developer - VP

Hiring Organisation
Bond McKenzie
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £115,000 per annum
will be at the heart of that transformation. Responsibilities Work closely alongside the Engineering Lead to deliver the technical strategy for your team. Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. Design, develop, and implement secure, scalable, and reliable micro ...