21 of 21 High Availability Jobs in the City of London

Solutions Architect Openshift

Hiring Organisation
Synechron
Location
City of London, London, United Kingdom
networking, and storage solutions. Define and implement best practices for OpenShift cluster setup, including multi-zone and multi-region deployments. Ensure the architecture supports high availability, fault tolerance, and disaster recovery. Migration Design and Optimization: Assess existing infrastructure, applications, and workloads to determine migration readiness. Develop detailed migration … virtualized environments. Leverage VMware tools (e.g., vSphere, vCenter, NSX) to optimize OpenShift deployments. Configure and manage Pure Storage solutions (e.g., FlashArray, FlashBlade) to provide high-performance, scalable storage for OpenShift workloads. Ensure compatibility and performance optimization between OpenShift, VMware, and Pure Storage. CI/CD Pipelines and DevOps Workflows ...

Senior Technology Architect - Data Platform Architect - UK

Hiring Organisation
Infosys
Location
City of London, London, United Kingdom
cloud and on-prem environments. You will lead platform strategy and operations for technologies including Snowflake, SQL Server, Power BI, Azure, and Confluent, ensuring high availability, performance, and scalability. You will collaborate with cross-functional teams to design and implement platform solutions that support data engineering, analytics … data platform foundation. Responsibilities •Lead platform architecture and administration across Snowflake, SQL Server, Power BI, Azure, and Confluent. •Design and implement scalable, secure, and high-performing data platform solutions. •Collaborate with engineering, analytics, and business teams to align platform capabilities with business needs. •Ensure platform reliability, performance tuning ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
seeking a highly skilled Senior Software Engineer with expertise in C#, .NET and Azure . In this role, you’ll design, develop, and deliver high-quality software solutions within agile teams, working across the full development lifecycle. You’ll collaborate closely with engineers, architects, DevOps, and product owners … maintainable, and well-tested code following best practices and design patterns. Build APIs, microservices, and event-driven solutions that are performant and secure. Ensure high availability, scalability, and reliability of applications through effective system design and testing. Contribute to CI/CD pipelines and DevOps practices to streamline ...

Solace Administrator

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
Messaging Administrator to join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system … cloud-native Solace deployments. Why Join Us? Join a multi-discipline team, delivering advanced Messaging APIs, developing tools, administering , supporting low latency, high throughput messaging system for prices, orders, trades, and mission critical applications. Exciting opportunity to work with a wide array of technologies. Chance to further develop your ...

Principal DevOps Engineer

Hiring Organisation
TEC Partners - Technical Recruitment Specialists
Location
City of London, London, United Kingdom
infrastructure as code using tools like Terraform, ensuring consistency and reproducibility across environments. Monitor and troubleshoot system performance, identifying and resolving issues to ensure high availability and optimal performance. Collaborate with cross-functional teams to identify opportunities for automation, streamlining workflows, and improving efficiency. Stay up-to-date ...

Senior Full Stack Engineer

Hiring Organisation
Medly AI
Location
City of London, London, United Kingdom
Technical CEO and other Full Stack Engineers to architect and scale our platform as we grow rapidly. You will play a pivotal role in high-impact projects such as optimizing performance for hundreds of thousands of users, designing scalable system architecture, mentoring junior engineers, and making key technical decisions … that shape our product. This is a high-impact opportunity for someone ready to take significant ownership, solve complex challenges at scale, and help power the next generation of educational technology. Role Responsibilities Architect and build scalable features across our web app (Next.js) and mobile app (React Native) Design ...

IT Infrastructure and Security Manager

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
transition from traditional on-premises infrastructure to Microsoft Azure. Responsibilities: - Leadership & Governance: Oversee all aspects of the firm's IT infrastructure to ensure high availability, performance, and resilience of services. This includes managing servers (physical and virtual), networks, storage, and cloud resources that support critical IP applications. - Cloud ...

Data Platform Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £750 per day
Databricks, and related Azure services. Build ETL/ELT processes to transform raw data into structured, analytics-ready formats. Optimise pipeline performance and ensure high availability of data services. Infrastructure & Architecture Architect and deploy scalable data lake solutions using Azure Data Lake Storage. Implement governance and security measures ...

Network and Security Specialist

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
London-based environment. This is a hands-on, technically led role where the Network and Security Specialist will be responsible for protecting systems, ensuring high availability, and strengthening security posture while supporting day-to-day operations and future growth. Key Responsibilities: • Design, implement, and maintain secure network … incidents using SIEM tools, Sophos MDR, and threat-hunting techniques. • Configure and manage firewalls, VPNs, IDS/IPS, web and email security solutions. • Maintain high patching and vulnerability remediation standards, including CVE management. • Coordinate annual third-party penetration testing and lead remediation based on risk and CVSS scoring. • Investigate ...

Senior Cloud Infrastructure Engineer

Hiring Organisation
Larbey Evans
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
Senior Cloud Infrastructure Engineer Key Responsibilities: Ensure the firms technology environment is continually evolving and is configured in a way that provides a stable, high performing and secure environment Design, implement, and continually manage Azure cloud infrastructure to ensure scalability, security, and high availability Administer and optimize ...

IT Infrastructure & Security Manager

Hiring Organisation
CONEX EUROPE LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
technology roadmap to transition from traditional on-premises infrastructure to Microsoft Azure. Leadership & Governance Oversee all aspects of the firms IT infrastructure to ensure high availability, performance, and resilience of services. This includes managing servers (physical and virtual), networks, storage, and cloud resources that support critical IP applications. ...

Senior Full Stack Engineer (Golang/Typescript/Kubernetes)

Hiring Organisation
Safe Intelligence
Location
City of London, London, United Kingdom
based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and enhance our Kubernetes-based cloud platform to ensure high-availability, scalability, and cost-efficient ML workflows. Work proficiently across the entire stack to develop and integrate new features related to model versioning ...

Senior Software Engineer - .Net Contract

Hiring Organisation
Curated
Location
City of London, London, United Kingdom
long-term transformation programme. They are expanding multiple engineering teams and are looking to bring in experienced contract Software Engineers to support high-impact delivery across a critical platform. This role will suit senior engineers who enjoy working on large, evolving systems, modern cloud infrastructure, and solving complex technical … problems in a regulated, high-availability environment. The Role You will join a cross-functional product engineering team focused on the evolution and modernisation of a core InsurTech platform. The work centres around building scalable, cloud-native services while improving performance, reliability, and long-term maintainability. This ...

Software Developer

Hiring Organisation
mthree
Location
City of London, London, United Kingdom
required. We’re looking for strong engineers who are keen to learn a new, specialist technology and grow their skillset within a complex, high-impact environment. Full training on Axiom will be provided. You’ll work closely with international engineering teams, contributing to platform development, automation, and infrastructure, while … delivery teams Expand CI/CD, test-driven development, and release automation practices Contribute to architectural decisions, standardisation, and platform design Support a high-availability, business-critical regulatory reporting system Skills & Experience 2–5 years’ experience as a Software Developer or Engineer Strong Python development skills Solid Linux ...

Network DevOps Engineer

Hiring Organisation
Opus Enterprise Ltd T/A Real Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
working on innovative projects that support our hybrid cloud environment and drive automation and security. In your role as Network DevOps Engineer, youll ensure high availability, performance, and security of network systems, leveraging DevOps practices to streamline deployments and operations. Role & Responsibilities: Architect and deploy network solutions across ...

Network Specialist

Hiring Organisation
Ncounter LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
trusted as a senior technical authority, taking ownership of routing architecture, contributing to strategic decisions, and ensuring the network can support real-time, high-throughput workloads. Key Responsibilities: Design and operate resilient network architectures across LAN, WAN, data centre, and cloud environments Own and optimise routing and traffic flows … Continuously improve network resilience, throughput, and operational efficiency What Were Looking For: You will be an experienced network engineer who has worked in demanding, high-availability environments where routing stability and performance are critical. Strong practical experience with BGP, OSPF, and multicast networking is essential, alongside confidence working ...

Network Engineer (SC Cleared)

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
Access and Cisco SD-WAN technologies. As part of this contract, you will play a key role in enterprise-scale network delivery, ensuring high availability, security, and performance across a complex IT landscape . Key Responsibilities: Design, implement, and maintain Cisco SD-Access and Cisco SD-WAN solutions. … Comfortable working in a hybrid environment with some on-site presence in London. If you're an SC Cleared Network Specialist looking for a high-impact role in a banking environment, apply now or reach out for more information ...

Vice President of IT Operations

Hiring Organisation
Tate Recruitment
Location
City of London, London, United Kingdom
hands-on expertise in Entrata and strong IT project management skills to deliver operational excellence and drive innovation across enterprise systems. You’ll lead high-performing teams, collaborate with senior stakeholders, and ensure seamless IT service delivery across applications, infrastructure, and user support. Role & Responsibilities: Entrata Application Service Management … Build and lead a dedicated team to support the Entrata platform, ensuring high availability and performance. Oversee the full application lifecycle: deployment, upgrades, incident resolution, and vendor coordination. Define and implement SLAs, KPIs, and continuous improvement initiatives. Align Entrata capabilities with business needs through stakeholder collaboration. End-User ...

Network Engineer

Hiring Organisation
Ashdown Group
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
networks in a large user environment - Strong Cisco background (ideally CCNP/CCIE) - Knowledge of Layer 2 LAN technologies (VLANs, VTP, STP) - Understanding of high availability technology (VPC, SVL, HSRP) - Routing protocols - SDWAN technologies - CIsco Wireless technology ...

Cisco Network Engineer

Hiring Organisation
Ashdown Group
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
networks in a large user environment - Strong Cisco background (ideally CCNP/CCIE) - Knowledge of Layer 2 LAN technologies (VLANs, VTP, STP) - Understanding of high availability technology (VPC, SVL, HSRP) - Routing protocols - SDWAN technologies - CIsco Wireless technology ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £60,000 per annum
Developer to work out of their plush offices in the heart of London's West End. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical to the launch of their new online music shopping channel. ...