1 to 25 of 26 Remote/Hybrid High Availability Jobs in London

Location: London (Hybrid) Type: Permanent Industry: High-Performance Trading/Financial Markets About the Company Immersive Finance provides institutional-grade risk infrastructure for digital asset derivatives. Our team comprises seasoned traders, quantitative researchers, and technologists with decades of experience at leading buy- and sell-side institutions. We specialise … delivering production code. 5-10 years in Finance or Trading Systems. Advanced C++ skills. Strong Python engineering experience. Strong understanding of databases (SQL and high-performance solutions). Expertise in building and supporting high-availability , mission-critical systems . Desireable Experience building and deploying docker containers. Experience ...

across Azure and Microsoft SQL platforms for a growing SaaS client of ours. The position supports the wider DevOps objectives by ensuring the security, availability, integrity, and end-to-end support of database services. Working as part of a DevOps team, the role is responsible for both on-premise … based database systems, including both vendor-supplied and internally developed solutions Design and implement tactical and strategic database solutions with a focus on scalability, availability, performance, and resilience Proactively monitor the SQL Server estate to ensure high availability and optimal performance Provide operational support to internal stakeholders ...

lookout for a skilled Sybase Database Administrator (DBA) to join us on a contract basis. If you thrive in high-stakes environments and have a passion for database management, we want to hear from you! Key Responsibilities: Installing, configuring, and maintaining Sybase ASE and Replication Server environments. Managing database … resource allocation. Diagnosing and resolving blocking, deadlocks, contention, and execution plan issues. Maintaining and improving backup and recovery strategies using Sybase Backup Server. Supporting high-availability and replication architectures, including DR environments. Conducting regular recovery testing and ensuring compliance with DR procedures. Providing L2/L3 support ...

business and user outcomes. Lead incident management, post-incident reviews, and remediation planning. Architecture & Resilience Review and advise on system architecture to improve scalability, availability, and fault isolation. Design strategies for high availability, graceful degradation, and disaster recovery across multi-region environments. Quantify trade-offs between performance … Python, or Java, building automation or reliability systems. Experience designing and operating CI/CD pipelines with deployment safety guardrails. Proven track record leading high-severity incidents and driving systemic remediation. Excellent interpersonal skills with experience influencing cross-team decisions. Preferred Qualifications Experience with multi-cloud or multi-region ...

defining reliability standards, influencing architectural improvements, managing complex incidents, and building automation to improve deployment safety and operational efficiency. Your work will directly support high-traffic systems used by a global audience. Key Responsibilities Reliability & Risk Engineering My client is looking for someone who can: Identify systemic reliability risks … network infrastructure is key Experiecne working as senrio SRE particularly around AWS Architecture & Resilience You will: Review and influence system architecture to improve scalability, availability, and fault isolation Design strategies for high availability, graceful degradation, and disaster recovery Evaluate trade-offs between performance, cost, and operational risk ...

entire infrastructure stack; from CI/CD pipelines to production deployments, from infrastructure orchestration to security governance. You’ll be part of a high-powered team located in London. You will build robust systems, move quickly, but be ready to scale and ensure production-grade reliability as our product … Prometheus, Grafana, CloudWatch, Datadog, Sentry) to ensure system reliability and rapid incident response. • Establish SLOs/SLIs and implement observability best practices to maintain high availability and performance. • Lead incident response, root cause analysis, and implement preventive measures to improve system resilience. Security & Governance: • Implement and maintain security ...

deployment practices, monitoring, and long-term maintainability. Operational Accountability: Act as the technical owner of production systems that directly impact live rail operations, ensuring high availability and rapid incident resolution. Requirements Must Haves 4+ years of professional experience with Ruby on Rails. Strong understanding of object-oriented programming … your family Culture & Operating Principles We value : Ownership over hierarchy Clarity over bureaucracy Impact over job titles We operate with high autonomy and high accountability. People are expected to raise risks early, communicate clearly, and take responsibility for outcomes. Interview Roadmap Screening Call (30 mins) – Recruiter alignment Technical ...

Optimization (PTO) Must have in-depth experienced, Manage SQL Server databases, Configure and maintain database servers and processes, Backups, restores and recovery models. High Availability (HA) and Disaster Recovery (DR) options for SQL Server and experience with Windows server, including Active Directory Monitor system’s health and performance … including ensure high levels of performance, availability, sustainability and security Analyze, solve, and correct issues in real time and Refine and automate regular processes, track issues, and document changes Assist developers with query tuning and schema refinement Provide 24×7 support for critical production systems Perform scheduled maintenance ...

Plan and execute migrations, including tenant-to-tenant Microsoft 365 and Active Directory consolidations Collaborate with managed service providers and internal teams to maintain high availability, security and compliance Support business continuity through proactive monitoring, incident management and disaster recovery planning Mentor and provide technical guidance to team ...

with cutting-edge technologies, including GCP, Kubernetes, Terraform/OpenTofu, and modern CI/CD pipelines, while helping define best practices for a regulated, high-impact platform. What You’ll Do: Infrastructure & Automation: Build and maintain cloud infrastructure, CI/CD pipelines, and automated deployment workflows. Security & Compliance: Implement … securely. Incident Response: Contribute to operational and security incident handling to minimize downtime and risk. What You Bring: Strong experience designing, managing, and securing high-availability cloud infrastructure (GCP preferred). Expertise with Kubernetes (GKE), container runtime security, and cluster hardening. Solid skills in Infrastructure as Code (Terraform ...

Required: SC Clearance UK Passport holders only Dual nationality not supported Location: Hybrid - 60% onsite/40% remote (Central London) Overview: design and validate High Availability (HA) and Disaster Recovery (DR) solutions for SQL Server in AWS, supporting a mission-critical SharePoint environment. Key Activities Define PoV success ...

Hybrid) Rate: £450-550 per day IR35 Status: Outside IR35 Duration: 3 Months (Initial + likely extension) The Opportunity We are looking for a high-calibre Senior GCP Data Engineer to join one of London's fastest-growing technology success stories. Following a period of exceptional performance and record … pipelines to ingest data from a variety of internal and external sources. Infrastructure: Leveraging the full power of Google Cloud Platform to ensure high availability and performance of our data environment. Optimization: Refining and optimizing complex SQL queries and Python scripts to ensure efficient data processing and cost ...

secure-by-design) Define infrastructure standards across networking, IAM, logging and disaster recovery Lead Infrastructure-as-Code strategy (Terraform preferred) Ensure scalability, resilience and high availability across production environments CI/CD & Release Automation Design and optimise CI/CD pipelines Improve deployment reliability and reduce rollback frequency ...

operate, and continuously improve virtualisation platforms (VMware vSphere/ESXi, Hyper-V). Manage platform lifecycle: patching, upgrades, capacity planning, and hardware refreshes. Ensure high availability, resilience, and disaster recovery readiness. Automate infrastructure provisioning and standardise virtualisation builds. Troubleshoot complex incidents, perform root cause analysis, and implement preventive ...

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 … improve network resilience, throughput, and operational efficiency What We’re 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 ...

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 … improve network resilience, throughput, and operational efficiency What We’re 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 ...

experience to lead the technical separation and stabilisation of SAP environments during M&A activity. The ideal candidate will be comfortable operating in a high-pace, results-driven PE environment where timelines are tight, governance is lean, and execution quality is critical. Role SAP Carve-Out & System Separation (Hands … database activities including SAP HANA administration Execute migrations and system refreshes Assist with cloud-hosted environments (e.g., Amazon Web Services, Microsoft Azure) Configure backup, high availability, and disaster recovery setups Operating Within a PE Environment Deliver against tight carve-out deadlines Maintain clear technical risk visibility Focus ...

Required: SC Clearance UK Passport holders only Dual nationality not supported Location: Hybrid - 60% onsite/40% remote (Central London) Overview: design and validate High Availability (HA) and Disaster Recovery (DR) solutions for SQL Server in AWS, supporting a mission-critical SharePoint environment click apply for full ...

Hybrid working (3 days office/2 days remote) You will focus on the operational support and continuous improvement of enterprise application environments, ensuring high availability, security, and performance. Key responsibilities include day-to-day maintenance, patching, monitoring, and user support across critical systems, while also contributing ...

document management systems What they’re looking for: 5+ years SQL Server DBA experience Strong performance tuning and troubleshooting skills Experience with SQL Server high availability technologies Exposure to Azure SQL/cloud platforms Experience in legal or professional services is beneficial Up to £95k + bonus + ...

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 ...

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. ...

migrations, and disaster recovery processes. Implement and enforce database best practices, standards, and governance. Collaborate with data engineering, analytics, and business teams to support high-volume data ingestion and reporting. Troubleshoot and resolve complex database issues to ensure high availability and reliability. Requirements: Extensive SAP IQ (Sybase ...

improvement of customer infrastructure. This role is well suited to an experienced engineer who enjoys working in live environments, troubleshooting complex issues, and ensuring high levels of network performance and availability. The Role As a Senior Network Engineer, you will play a key role in the ongoing operation … Cisco Catalyst, Nexus, SD-WAN, DNA Center) In-depth knowledge of routing protocols including BGP, OSPF, and IS-IS Demonstrable experience troubleshooting in live, high-availability environments Experience with data centre networking technologies and SD-Access CCNP (or equivalent level of experience) Desirable Skills Experience with network security ...

into engineering and the architectural design of Access Control, User Entitlements, Application Credentials, User Access Policy Management, enhancing security related to Privileged Access Management, High availability and Disaster Resiliency . Implement Application to Application clients. . Serve as the subject matter expert (SME) for the Beyond Trust ...