1 to 25 of 38 High Availability Jobs in the City of London

DBA Lead

Location
City Of London, England, United Kingdom
https://risk.lexisnexis.com/insurance About our Team The Database Administration team provides enterprise-wide support for mission-critical database platforms, ensuring high availability, performance, security, and operational stability. The team manages MySQL, SQL Server, PostgreSQL, Oracle, and cloud database technologies across hybrid environments while driving automation … Additional Skills Database Technologies 7+ years of MySQL DBA or Database Engineering experience. Strong experience with MySQL replication design, implementation, and support. Experience with High Availability (HA) and Disaster Recovery (DR) architectures. Extensive experience with backup and recovery technologies including Percona XtraBackup and snapshot-based recovery solutions. Experience ...

Oracle EBS DBA

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - £500 per day
Oracle Apps DBA to manage, maintain, and optimise mission-critical Oracle E-Business Suite (EBS R12) environments and underlying databases. In this hands-on, high-impact technical role, you will take ownership of cross-layer troubleshooting spanning application, database, operating systems, and infrastructure. You will play a key part … maintaining system performance, security, and high availability, while actively contributing to major cloud migration initiatives (OCI/Azure). Key responsibilities EBS & Database Lifecycle: Maintain, update, copy, and refresh core Oracle systems across test, development, and live 24/7 production environments. Core Apps Administration: Manage key system ...

IBM Netcool / Observability Technical Lead

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£780 - £830 per day
headcount. What You'll Be Doing Own the Netcool estate - administer, maintain and upgrade Omnibus, ObjectServers, Gateways, Probes, WebGUI and Impact, ensuring high availability, resilience and robust lifecycle management Engineer smarter event management - design and maintain correlation, suppression, deduplication, enrichment and automation rules that cut alert noise … large-scale enterprise environments, including Omnibus, Impact and WebGUI Strong grasp of Netcool architecture - ObjectServers, Probes, Gateways (ServiceNow, JDBC), plus failover and high-availability configurations Proven track record delivering platform upgrades, patching, migrations and lifecycle activities on mission-critical 24x7 platforms Strong SQL and ObjectServer database administration, with ...

Software Engineer, Trading – Cumberland Systematic

Location
City Of London, England, United Kingdom
share our belief that it’s not just what we do that matters–it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. Cumberland Systematic is a multi-asset trading team focused on mid and high-frequency … join our team.You will work with other software engineers to design and develop the full stack needed to enable a global trading operation with high availability requirements.You will be expected to design and develop trading systems, market data connectivity, execution algorithms, research infrastructure, monitoring and observability tooling ...

Trading Systems Engineer - C++/Python, High Availability

Location
City Of London, England, United Kingdom
leading trading firm in London is seeking a Software Engineer to design and develop high availability trading systems using C++ and Python. The ideal candidate will have over 5 years of C++ experience and a strong understanding of concurrency and software for trading. This role requires collaboration with ...

Senior Security Engineer (Infrastructure)

Location
City Of London, England, United Kingdom
Infrastructure & Network Operations), Corporate IT and Platform Engineering teams to strengthen network and platform security, implement scalable controls and support modern security practices across high-availability environments. The role requires a technical understanding across networking, cloud, edge security, infrastructure hardening and operational security tooling. The successful candidate will … Main Requirements 5+ years experience in a dedicated or heavily security-focused engineering role Strong background in infrastructure, cloud or network security engineering within high-availability environments Strong understanding of Layer 3, Layer 4 and Layer 7 security principles across modern network and infrastructure environments Experience securing cloud ...

Network Support Analyst with Cisco CCNA – City London

Location
City Of London, England, United Kingdom
proven track record. This is a support role (BAU) with involvement in design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Maintain documentation and networking diagrams for both support … required CCNA VPN technologies (IPSEC) Security certification (advantageous) Technologies Layer 2 Switching, Layer 3 Routing, VPN IPSEC & SSL, TACACS, RADIUS, NAT/PAT, VSS. High availability, including failover technologies and first hop redundancy protocols. The Client is based in the City in London close to Liverpool Street. Salary ...

Lead Technical Program Manager - Low Latency Market Trading

Location
City Of London, England, United Kingdom
fostering growth and innovation in a dynamic environment. As a Lead Technical Program Manager in Corporate Technology, you will lead the delivery of complex, high-impact technology programs supporting electronic trading across multi-asset, low-latency market environments (e.g., equities, FX, rates, credit, listed derivatives). You will apply … innovation, disciplined delivery, and continuous improvement. Job responsibilities Develop and execute comprehensive program plans integrating technical requirements for electronic trading platforms (low latency, high throughput, high availability). Lead cross-functional teams to define program scope, objectives, milestones, and deliverables aligned with trading/business outcomes. Drive ...

IT Infrastructure Architect - contract

Location
City Of London, England, United Kingdom
Systems designs. Responsibilities To act as an Infrastructure Architect on a variety of internal and external IT delivery projects, key responsibilities include: Produce high quality High Level Design documentation describing technical systems solutions, providing overall design direction and recommendations for resolution of complex technical issues Provide technical leadership … communication skills Leadership, presentation and stakeholder management skills Ability to work on complex projects with globally distributed teams and tight timelines Ability to design high availability solutions, including consideration to fault tolerant analysis and resiliency Ability to work with and manage vendors/suppliers such as IBM Experience ...

Scala Engineer

Location
City Of London, England, United Kingdom
Responsibilities Help define and deliver the future vision for attribute reputation services, driving simplification and consolidation where appropriate. Design and develop high-volume, high-availability, low-latency backend services. Enhance and optimise existing applications and services. Support incremental re-architecting initiatives to reduce technical complexity and improve … Continuous Integration/CI/CD Agile methodologies Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment ...

Platform Engineering Specialist - Database Infrastructure

Hiring Organisation
TurleyWay Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
passionate about building and operating highly scalable database platforms? Have you administered and optimised mission-critical PostgreSQL environments in cloud-first organisations, ensuring performance, availability and resilience at scale? Can you demonstrate broad technical knowledge across Platform Engineering, DevOps and Infrastructure, alongside experience with automation and scripting using Python … Engineering, Platform Engineering, DevOps or Infrastructure roles with a strong focus on database administration. You'll possess deep expertise in PostgreSQL , including performance tuning, high availability, replication and operational support within Azure-based environments. You will have strong Linux systems administration skills, experience with database automation and infrastructure ...

Platform Engineer - Terraform & Developer Experience - Vice President

Location
City Of London, England, United Kingdom
Terraform Integrate security, policy checks, and guardrails into module and pipeline workflows, partnering with security, risk, and compliance on exceptions where needed Produce high-quality module documentation, examples, and adoption guidance that reduce friction for internal customers Partner with application teams to translate requirements into reusable module patterns … registries Familiarity with containers and orchestration (Docker/Kubernetes) where modules integrate with application platforms Practical operational knowledge for database platforms (backup/restore, high availability/disaster recovery, performance tuning basics, patching, and maintenance windows) Experience with Go for platform tooling #J-18808-Ljbffr ...

Environments Manager

Location
City Of London, England, United Kingdom
. Manage environment-related incidents and root cause analysis. Maintain environment documentation, topology diagrams, and runbooks. Engage with Release Managers to align environment availability with deployment schedules. Ensure compliance with security and governance policies. Coordinates and governs DR testing to validate recoverability, RTO/RPO compliance, and resilience across … environments, ensuring high availability and alignment with business continuity objectives. Design monitoring and observability frameworks to accelerate root cause analysis and reduce Mean-Time-to-Recovery (MTTR) Essential skills Proficiency in DevOps tools (Terraform, Ansible, Jenkins, GitHub Actions). Solid understanding of CI/CD pipelines and release ...

Senior Software Engineer (Java)

Location
City Of London, England, United Kingdom
electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability and high availability Collaborate with global teams, including Architecture, DevOps, and Product Mentor and guide engineers to improve technical capability and engineering standards Experience/Competences … Strong experience designing and building high‐performance, low‐latency Java services within electronic trading Strong experience with distributed messaging technologies (Solace/Kafka) and real‐time systems Strong experience designing and building event‐driven systems deployed to cloud environments (AWS, EC2, EKS, Kubernetes) Experience with memory architectures and network ...

Senior Frontend Architect — Real-Time React & TypeScript

Location
City Of London, England, United Kingdom
HCLTech is seeking a skilled UI Developer to build time-critical, high-availability, and high-performance user interfaces. You will work across the full UI development lifecycle, from design through testing and deployment, using HTML, CSS, JavaScript, React and TypeScript. Strong experience with real-time communication (WebSockets ...

Frontend Architect - React AI

Location
City Of London, England, United Kingdom
Description: UI Developer (React, TypeScript and AI) Role Overview- We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance applications. The ideal candidate will have hands-on experience across the full UI development lifecycle, including design, development ...

Microsoft Azure, Messaging & Collaboration Lead

Location
City Of London, England, United Kingdom
support of Microsoft 365 services including Exchange Online, Teams, OneDrive, and SharePoint Online. Design, implement, and maintain messaging and collaboration solutions to ensure high availability and performance. Manage mail flow, email security, retention, archiving, and compliance policies. Endpoint & Mobility Management Manage and support Microsoft Intune and Mobile Device ...

Trade Floor Operations - FICC

Location
City Of London, England, United Kingdom
Responsibilities: Provide end-to-end production support for Fixed Income trading platforms (Rates, Credit, FX, Bonds, Derivatives). Monitor and maintain system health, ensuring high availability and low latency of critical trading applications. Support and enhance monitoring capabilities using ITRS Geneos, initially within FICC and expanding to other ...

Oracle Database Engineer - up to £90,000 + Bonus - Hybrid

Location
City Of London, England, United Kingdom
environments Design and manage backup and recovery using RMAN, Flashback, Data Pump and established migration methodologies Administer Oracle ASM and Data Guard to support high availability and disaster recovery Manage multi-tenant architecture, including PDB and CDB design and administration Provide L3 support across Oracle Database and Exadata ...

Environments Lead

Location
City Of London, England, United Kingdom
throughout the software development lifecycle. This role works closely with engineering, QA, and release teams to ensure environments are fit for purpose and support high-quality delivery. Responsibilities Lead the setup, configuration, and maintenance of development and test environments. Act as the technical point of contact for environment-related … environment-related best practices. Executes DR testing, validating system recovery, integrations, and service resilience post-fail over to ensure continuity and adherence to high-availability and recovery objectives. implements monitoring and observability frameworks, using CNCF and commercial tooling, to accelerate root cause analysis and reduce Mean-Time ...

Member of Technical Staff, Full Stack

Hiring Organisation
FBI &TMT
Location
City of London, London, United Kingdom
Employment Type
Permanent
tools such as React Query and Tailwind Contribute to infrastructure, system architecture and cloud-native engineering decisions Work on distributed systems, real-time processing, high availability and system performance Collaborate effectively with AI, product and infrastructure teams to deliver reliable features Support API testing and maintain high ...

Senior Database Administrator Leading Financial

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
diverse database estate supporting critical trading and operational systems within a leading financial exchange technology environment. Youll be responsible for database performance, availability, security, upgrades, backups, recovery and migrations , while working closely with developers and infrastructure teams. Key Responsibilities Own and manage the database environment. Ensure high availability ...

Kotlin DevOps Engineer (Google Cloud Platform)

Hiring Organisation
AMS CWS
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
strong emphasis on Extreme Programming (XP) practices, including mob programming, test first development and continuous refactoring working closely as a team to maintain a high standard of code quality and system reliability. What you'll do: Design, develop, and maintain scalable backend services using Kotlin, delivering high-quality … Cloud SQL, Memorystore Key Management Terraform CI/CD and SDLC experience in a regulated/enterprise environment. Comfortable working in production systems with high availability and correctness requirements. Deutsche Bank's Values Our values define the working environment we strive to create - diverse, supportive and welcoming ...

SAP Technical Architect

Location
City Of London, England, United Kingdom
across SAP S/4HANA, SAP ECC, SAP BTP, SAP PI/PO, SAP Fiori/UI5, and integrated enterprise systems. This role ensures high‐performance, scalable, secure, and future‐ready SAP solutions that align with business strategy and IT roadmaps. The architect collaborates closely with business leaders, solution … system landscape design, including DEV/QAS/PRD/DR environments. In‐depth knowledge of SAP Basis, system sizing, performance tuning, high‐availability (HA) and disaster recovery (DR) configurations. Strong experience with SAP HANA database architecture, optimization, backup/restore strategies, and security. Expertise in SAP integration ...

Senior Network Specialist with Security and Cisco – City London

Location
City Of London, England, United Kingdom
company's network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. This role requires a responsible individual who can design and deliver secure networking solutions. Fast thinker who can diagnose, assist others … Encryptor RADIUS/RSA Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. This is a contract role for up to 18 months to start immediately. #J ...