22 of 22 Contract High Availability Jobs in London

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/ ...

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 ...

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 ...

Proven commercial experience working as a DevOps Engineer within the Public Sector. Active SC Clearance. Strong experience with Linux (RHEL/Ubuntu), AWS, and high-availability Kubernetes environments (EKS/RKE) including load balancing and multi-site failover. Proficient in containerisation and orchestration using Docker, Kubernetes, and Helm. ...

Schema design and directory structuring Secure authentication integration (LDAPS, certificates, RBAC mapping) Kubernetes authentication via LDAP Identity federation patterns across CI/CD tooling High availability and replication strategies Troubleshooting directory performance and sync issues Jenkins (CI/CD Architecture & Engineering) Pipeline-as-code (Groovy) Shared libraries ...

across the institution. The successful candidate will contribute to the migration from Cisco to Extreme Networks infrastructure, with a strong focus on delivering robust, high-performing wired and wireless services that meet the needs of students, faculty, and staff. Key Responsibilities Support the design and implementation of network infrastructure … optimisation activities. Execute migration activities, including staging, deployment, testing, and validation. Troubleshoot and resolve complex network issues across LAN, WAN, and WLAN. Ensure high availability and performance of wireless networks, particularly in high-density environments (e.g., lecture halls, student accommodation). Assist with the production and maintenance ...

across the institution. The successful candidate will contribute to the migration from Cisco to Extreme Networks infrastructure, with a strong focus on delivering robust, high-performing wired and wireless services that meet the needs of students, faculty, and staff. Key Responsibilities Support the design and implementation of network infrastructure … optimisation activities. Execute migration activities, including staging, deployment, testing, and validation. Troubleshoot and resolve complex network issues across LAN, WAN, and WLAN. Ensure high availability and performance of wireless networks, particularly in high-density environments (e.g., lecture halls, student accommodation). Assist with the production and maintenance ...

platforms across the business. This role blends deep technical UC engineering capability with hands-on AV and meeting support, ensuring reliable, secure, and high-quality collaboration experiences for end users, executives, and trading environments. The successful candidate will support and evolve platforms including Cisco CUCM, WebEx (Dedicated Instance), Microsoft … customer-focused mindset, operating within a global, distributed team. Key Responsibilities Unified Communications Engineering Design, configure, support, and enhance the global UC environment, ensuring high availability, performance, and security. Administer and troubleshoot Cisco Unified Communications Manager (CUCM), including dial plans, call routing, SIP integrations, upgrades, and incident resolution. ...

platforms across the business. This role blends deep technical UC engineering capability with hands-on AV and meeting support, ensuring reliable, secure, and high-quality collaboration experiences for end users, executives, and trading environments. The successful candidate will support and evolve platforms including Cisco CUCM, WebEx (Dedicated Instance), Microsoft … customer-focused mindset, operating within a global, distributed team. Key Responsibilities Unified Communications Engineering Design, configure, support, and enhance the global UC environment, ensuring high availability, performance, and security. Administer and troubleshoot Cisco Unified Communications Manager (CUCM), including dial plans, call routing, SIP integrations, upgrades, and incident resolution. ...

applications in OpenShift or Kubernetes environments. Database: Proficiency with Postgres (querying, optimization, and basic administration). Architecture: Understanding of Cloud Architecture and Designknowing how high-availability systems communicate. Career development opportunity: Upskilling: Gain deep expertise in a high-demand enterprise suite (OpenText) while maintaining your edge … OpenShift. High-Impact Work: Support mission-critical UK Government infrastructure If you feel you have the skills and experience needed for this role; please do apply now. By applying for this job and submitting your CV to Parker Shaw, you acknowledge and give permission for us to pass ...

support large-scale cloud infrastructure supporting millions of devices globally. The role focuses on building and scaling monitoring, logging and alerting platforms to ensure high availability and performance of cloud services. Responsibilities Design, deploy and scale observability platforms Manage and scale Prometheus monitoring systems Deploy and maintain large ...

support complex infrastructure projects across servers, storage, virtualisation and VDI. The role covers design, implementation, optimisation and support of secure, contained environments, ensuring high availability, performance and compliance across critical IT systems. Client Details The employer is a well-established organisation within the financial services sector. Description Design ...

banking client as they move away from restrictive legacy "black-box" engines toward a flexible, cloud-native architecture. Your focus will be on delivering high-availability systems capable of handling millions of requests while ensuring strict compliance with ISO 20022 standards. Essential Skills 5 + years of hands ...

banking client as they move away from restrictive legacy "black-box" engines toward a flexible, cloud-native architecture. Your focus will be on delivering high-availability systems capable of handling millions of requests while ensuring strict compliance with ISO 20022 standards. Essential Skills 5 + years of hands ...

patterns optimized for low-latency trading. Configure and tune Solace brokers, message VPNs, queues, topic endpoints, and client profiles for optimal performance. Manage Solace high-availability configurations including primary/backup broker pairs and replication. Implement Solace DMR (Dynamic Message Routing) for inter-datacenter message distribution. Define ...

settings.Excellent stakeholder management skills, with the capacity to influence and communicate effectively at senior levels. Preferred Qualifications: Experience in payments, cash management, or other high-availability banking platforms.Familiarity with designing observability approaches and enhancing alert quality across diverse portfolios.Experience in building SRE communities of practise and structured training ...

Excellent stakeholder management skills, with the capacity to influence and communicate effectively at senior levels. Preferred Qualifications: Experience in payments, cash management, or other high-availability banking platforms. Familiarity with designing observability approaches and enhancing alert quality across diverse portfolios. Experience in building SRE communities of practise ...

stakeholders across IT, customer operations, and business teams to deliver requirements. Collaborate with vendors and third-party providers to implement and integrate solutions. Ensure high availability, resilience, and performance of telephony systems. Produce technical documentation, configuration guides, and implementation artefacts. Support testing, rollout, and post-migration stabilisation activities ...

some paternity cover for the next 6 Months. Essential Skills & Experience Delivered hands-on management and support of Infoblox DDI (DNS, DHCP, IPAM) in high-availability production environments. Successfully troubleshot and resolved complex network incidents, minimising downtime in critical systems. Applied robust change management practices, leveraging tools such ...

integration development using platforms such as Mirth Connect Architect end-to-end interoperability across LIMS, RIS/PACS, Order Communications, and clinical systems Ensure high availability, scalability, and performance of integration pipelines Technical Leadership Act as Principal Engineer/SME for all integration-related initiatives Define best practices ...

maintain technical documentation. Collaborate with security, infrastructure, and cloud teams. Desirable Hands-on experience with Forescout NAC. Strong knowledge of DNS security and high availability. Experience with 802.1X, certificates, and RADIUS. Exposure to cloud networking and hybrid DNS. Relevant certifications (CCNA/CCNP, Network+, Security+). ...

Location: London, UK (Hybrid) Job Type: Contract - Inside IR35 Role Overview We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high-performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close collaboration … tick systems, with strong understanding of data organisation, schema design, and performance implications of different architectural approaches. Build and operate solutions handling large-scale, high-frequency datasets, ensuring low latency, high throughput, and efficient memory usage. Analyse and optimise q queries, data models, and ingestion pipelines for both ...