76 to 100 of 512 High Availability Jobs in London

Trading Systems Engineer

Hiring Organisation
Hudson River Trading
Location
London, United Kingdom
Salary
£ 80 K
/7.As a Trading Systems Engineer, you’ll work on projects focusing on our real-time production trading environment and tackle problems that require high availability, high throughput, and ultra low-latency solutions. The ideal candidate possesses a passion for coding and automation, is eager to learn ...

Trading Systems Engineer

Location
Greater London, England, United Kingdom
7. As a Trading Systems Engineer, you'll work on projects focusing on our real-time production trading environment and tackle problems that require high availability, high throughput, and ultra low-latency solutions. The ideal candidate possesses a passion for coding and automation, is eager to learn ...

Azure Architect

Hiring Organisation
VIQU IT Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 600 per day + inside IR35
systems, CRM platforms, or third-party services. Platform Architecture · Design Azure-based hosting platforms. · Design Kubernetes and AKS solutions. · Define hybrid-hosting architectures. · Develop high-availability and resilience strategies. Integration Architecture · Design integration with identity platforms. · Design application connectivity and networking. · Support database integration and hosting. · Define security … Technical Leadership · Lead architecture workshops. · Collaborate with software development teams. · Work directly with Pixel and other suppliers. · Support technology decision-making. Documentation & Standards · Develop high-level and low-level designs. · Produce architecture and deployment documentation. · Maintain platform standards and reference architectures. Essential Technical Skills · Microsoft Azure · Azure Networking · Kubernetes ...

Lead Network Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
environments. - Maintain secure, resilient and scalable network services aligned to business requirements, client expectations and regulatory obligations. - Support disaster recovery testing, failover validation and availability improvement for critical network services. - Monitor network performance, identify risks, resolve complex incidents and drive continual service improvement. - Shape and maintain the technical roadmap … senior or lead network engineer within a complex enterprise environment. - Deep knowledge of enterprise networking, including Layer 2/3, switching, routing, VLANs, segmentation, high availability, wireless and troubleshooting. - Strong experience with Cisco enterprise technologies, including Catalyst, Nexus, Cisco ISE, RADIUS, TACACS+, 802.1X and access control policies. - Strong ...

Sybase DBA

Location
Greater London, England, United Kingdom
scale IQ databases with terabyte-level storage and ensure optimal bulk loading performance using BCP, IQ load utilities, or ETL tools. Configure and support high-availability solutions such as Sybase Replication Server, Warm Standby, MSA, Failover Clustering, and disaster recovery strategies. Sybase IQ Data warehouse support reporting … hands-on experience in delivering large-scale infrastructure/data center migration and infrastructure/data center upgradation/modernization projects within the global high availability banking/financial services environment. #J-18808-Ljbffr ...

Networks Technical Lead (SD-WAN / SASE)

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
environments. - Maintain secure, resilient and scalable network services aligned to business requirements, client expectations and regulatory obligations. - Support disaster recovery testing, failover validation and availability improvement for critical network services. - Monitor network performance, identify risks, resolve complex incidents and drive continual service improvement. - Shape and maintain the technical roadmap … senior or lead network engineer within a complex enterprise environment. - Deep knowledge of enterprise networking, including Layer 2/3, switching, routing, VLANs, segmentation, high availability, wireless and troubleshooting. - Strong experience with network security and secure access technologies including Palo Alto, Prisma Access, SD-WAN and SASE concepts. ...

Junior Trading Systems Engineer

Hiring Organisation
Hudson River Trading
Location
London, United Kingdom
Salary
£ 60 K
7.As a Junior Trading Systems Engineer, you’ll work on projects focusing on our real-time production trading environment and tackle problems that require high availability, high throughput, and ultra low-latency solutions. The ideal candidate possesses a passion for coding and automation, is eager to learn ...

Senior Network Security Engineer – Cisco & High Availability (London)

Location
Greater London, England, United Kingdom
manage IPS deployments, and uphold global standards across data-centre and branch networks. The role requires strong Cisco expertise, experience with DMZ, VLANs and high availability, and certification in Cisco technologies. Banking sector exposure is a plus; hybrid/onsite options may apply. #J-18808-Ljbffr ...

Senior Manager, Data Center Facilities Engineering

Location
Greater London, England, United Kingdom
Facility Engineering leads the engineering, maintenance, assists with commissioning to ensure operational readiness of critical data center infrastructure. This role is accountable for maintaining high availability across electrical, mechanical, and life-safety systems; ensuring SLA performance; and driving rapid, disciplined resolution of infrastructure faults and incidents. Job Description … Facility Engineering leads the engineering, maintenance, assists with commissioning to ensure operational readiness of critical data center infrastructure. This role is accountable for maintaining high availability across electrical, mechanical, and life-safety systems; ensuring SLA performance; and driving rapid, disciplined resolution of infrastructure faults and incidents. The Senior ...

Tech Risk and Controls Director - Audit

Location
Greater London, England, United Kingdom
leaders informed on overall risk health. You’ll also coordinate responses to audits and regulatory requests, and guide IT teams on security, resiliency, and high-availability design. The role covers key areas like access management, incident response, vulnerability management, and data protection, with a strong understanding of public … exceptional communication and presence. Advanced knowledge of multiple IT control and project management practices and experience working across large environments Ability to collaborate with high-performing teams and individuals throughout the firm to accomplish common goals. Expertise in application and infrastructure high-availability and resiliency architectures with ...

Network Support Analyst - Cisco CCNA – European Bank - City London

Hiring Organisation
Nexus Jobs
Location
London, United Kingdom
Salary
£ 50 K
record.This is a support role supporting Business As Usual (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 and stringent internal … certification, required CCNA-VPN technologies (IPSEC)-Security certification (advantageous)TechnologiesLayer 2 Switching, Layer 3 Routing, VPN IPSEC & SSL, TACACS, RADIUS, NAT/PAT, VSS. High availability, including failover technologies and first hop redundancy protocols.Simply this is a 1st, 2nd and 3rd Line Network Support position – ensuring that ...

Network Support Analyst with Cisco CCNA – City London

Hiring Organisation
Nexus Jobs
Location
London, United Kingdom
Salary
£ 50 K
years 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 and stringent … certification, required CCNA-VPN technologies (IPSEC)-Security certification (advantageous)TechnologiesLayer 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 ...

Maintenance Manager

Hiring Organisation
Invictus Recruitment
Location
Hounslow, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
maintenance programmes. Overseeing electrical, mechanical, HVAC and associated critical systems. Managing maintenance contracts and subcontractor performance. Ensuring contractual KPIs and SLAs are achieved. Maintaining high standards of statutory and technical compliance. Planning and coordinating planned maintenance and shutdown activities. Managing permits, risk assessments and method statements. Supporting business continuity … from a data centre or other mission-critical background, although candidates with relevant experience in environments such as financial services, healthcare, pharmaceutical or other high-availability facilities will also be considered. Were looking for: Proven experience managing engineering/maintenance contracts. Strong critical-environment experience. A solid ...

Global Banking Markets - Low-Latency Java Software Engineer - Vice President - London

Location
Greater London, England, United Kingdom
outside the office. Goldman Sachs Electronic Trading (GSET) strives to be the top provider in electronic trading by building superior technology and delivering high quality products by investing in people, platforms, and products. Join the team and participate in the development and launch of best-in-class products … should be willing to participate in the full product lifecycle from requirements gathering, design, implementation, testing, support, and monitoring. RESPONSIBILITIES Design, build and maintain high-performance, high-availability, high-capacity, yet nimble and adaptive platforms satisfying a range of business needs. Work in partnership with ...

Global Banking Markets - Low-Latency Java/C++ Software Engineer - Vice President - London

Location
Greater London, England, United Kingdom
outside the office. Goldman Sachs Electronic Trading (GSET) strives to be the top provider in electronic trading by building superior technology and delivering high quality products by investing in people, platforms, and products. Join the team and participate in the development and launch of best-in-class products … should be willing to participate in the full product lifecycle from requirements gathering, design, implementation, testing, support, and monitoring. RESPONSIBILITIES Design, build and maintain high-performance, high-availability, high-capacity, yet nimble and adaptive platforms satisfying a range of business needs Work in partnership with ...

Global Banking Markets - Software Engineer - Equities Data Platform Engineering - London - Vice President

Hiring Organisation
Goldman Sachs
Location
London, United Kingdom
Salary
£ 100 K
leads on the ground-up rebuild of our Electronic Trading data infrastructure into a cloud-native, AI-first platform. Design, build, and maintain a high-performance, high-availability, high-capacity platform that processes and persists massive volumes of business-critical data in near real time, distributing … engineers to raise the bar on engineering practices across the team.Required Qualifications & Skill-Sets Around 5–10 years of professional experience with experience building high-performance, low-latency systems (sub-second) – at Vice President level. Proven ability to drive complex, industrial-scale development independently, while also leading and developing ...

Global Banking Markets - Low-Latency Java/C++ Software Engineer - Vice President - London

Hiring Organisation
Goldman Sachs
Location
London, United Kingdom
Salary
£ 100 K
outside the office.Goldman Sachs Electronic Trading (GSET) strives to be the top provider in electronic trading by building superior technology and delivering high quality products by investing in people, platforms, and products. Join the team and participate in the development and launch of best-in-class products … should be willing to participate in the full product lifecycle from requirements gathering, design, implementation, testing, support, and monitoring.RESPONSIBILITIESDesign, build and maintain high-performance, high-availability, high-capacity, yet nimble and adaptive platforms satisfying a range of business needsWork in partnership with the wider engineering & product ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. That takes high standards, high velocity and engineers who own what they ship. Today, we serve over 6 million clients, with more than €38 billion in assets … under management. At that scale, performance, reliability and data integrity are part of the product. Our platform is powered by a modern, high-performance engineering stack designed for scale and reliability: Java 21 (Spring), Go, Node.js (TypeScript), PostgreSQL, MariaDB, Redis, Kafka, ClickHouse, Elasticsearch, Docker, Grafana, AWS, Kubernetes and Kibana. ...

Digital Assets Platform Engineering Team Lead - SVP

Location
Greater London, England, United Kingdom
technical mastery, strategic thinking, and proven people leadership. The successful candidate will serve as both a technical authority and a team lead, guiding a high-performing group of engineers in the design, delivery, and operationalization of enterprise-grade blockchain and digital assets infrastructure at global scale. This individual will … strategy, working at the intersection of traditional financial services technology and the emerging decentralized ecosystem. As a SVP leader, you will operate with a high degree of autonomy, influence cross-functional outcomes, and be accountable for the platform's technical direction, engineering quality, and talent development. You will represent ...

Platform Chapter Lead - Engineering

Location
Greater London, England, United Kingdom
developer tooling – Backstage especially welcome. Familiarity with tools like Terraform, GitHub Actions and Octopus (or equivalents), and FinOps/cloud cost management. Regulated, highavailability or high‐transaction‐volume domains (travel, retail, payments). What success looks like in the first 12 months A clear platform roadmap ...

Senior Software Development Engineer

Hiring Organisation
Expedia
Location
London, United Kingdom
Salary
£ 80 K
build for travelers everywhere.The teamAs a Fullstack engineer in the Product Experience team, you will be responsible for building and maintaining our high-availability, high-transactional Property Detail Pages on the app.You will be part of a multi-functional team of Product Managers, TPMs, Engineering Managers … Software Engineers based in Gurgaon, Bangalore, London, and Madrid. We prioritise building high-quality software with a focus on availability, performance, scalability, and system resiliency.Our London team is looking for curious, empathetic, and creative problem solvers with a growth mindset. We value our team culture and work together ...

Senior Software Development Engineer

Location
Greater London, England, United Kingdom
build for travelers everywhere. The team As a Fullstack engineer in the Product Experience team, you will be responsible for building and maintaining our high-availability, high-transactional Property Detail Pages on the app. You will be part of a multi-functional team of Product Managers, TPMs … Engineering Managers, and Software Engineers based in Gurgaon, Bangalore, London, and Madrid. We prioritise building high-quality software with a focus on availability, performance, scalability, and system resiliency. Our London team is looking for curious, empathetic, and creative problem solvers with a growth mindset. We value our team ...

Lead C++ / Java Developer

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
responsible for designing, building, and operating mission‐critical FX market infrastructure and matching platforms using C++ and Java. The role focuses on low‐latency, high‐throughput distributed systems with strict availability, resiliency, and data integrity requirements.This role owns technical outcomes for complex components and services, influences architecture … trading workflows.Own technical delivery for key platform components, ensuring alignment with LSEG architectural principles, performance standards, and operational controlsBuild and evolve low‐latency, highavailability systems handling high message volumes and time‐critical processing.Ensure systems meet non‐functional requirements, including latency, throughput, resiliency, fault tolerance, security ...

Senior Systems Engineer (Linux & Public Cloud Specialist)

Hiring Organisation
Trayport
Location
London, United Kingdom
Salary
£ 80 K
Terraform and Ansible to ensure reproducible, security-compliant provisioning across all environments.Lead architectural design reviews for new workload migrations and deployments, defining criteria for high availability, fault tolerance, and automated disaster recovery.Continuous improvementDrive infrastructure automation (IaC) and design improvements for efficient support of environments, applications, and clients.Actively contribute … increasing service availability through iterative improvements to Linux Private Cloud and Public Cloud solutions.Maintain, update, and continuously improve standardized enterprise WSL (Windows Subsystem for Linux) images built via Infrastructure as Code (IaC) workflows to provide consistent, secure developer environmentsThe PersonTechnicalLinux Specialism: Deep knowledge and proven hands-on experience managing ...

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 ...