1 to 25 of 36 High Availability Jobs in the City of London

Global Banking & Markets - Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
production idioms, while meeting the diverse and often complex business requirements of a global 24x7 trading operation, while balancing stringent non‐functional demands for availability, latency, and resilience. Critically, you will lean heavily into AI‐driven development. Using Goldman Sachs' AI tooling and agentic coding assistants, you will govern … magnitude higher volumes at lower operational costs, directly contributing to the firm's competitive and commercial edge. Build for the future : Design and implement highavailability, multi‐region, event‐driven services on a modern cloud‐native platform, setting the architectural standard for years to come. What You Will ...

Sybase DBA

Hiring Organisation
Insight International (UK) Ltd
Location
City of London, London, United Kingdom
Role summary The Sybase Database Administrator (DBA) is responsible for designing, implementing, and maintaining SAP Sybase ASE databases and related replication infrastructure, ensuring high availability, performance, security, and recoverability of business‐critical systems. Key responsibilities Install, configure, and maintain Sybase ASE databases (12.x–16.x) across development, test … Implement and manage backup, restore, and disaster recovery procedures, including warm/hot standby and replication setups. Configure and support Sybase Replication Server for high availability, failover, and data distribution. Maintain database security including user, role, and privilege management and compliance with internal controls. Troubleshoot and resolve production ...

Cloud Database Engineer

Hiring Organisation
Charles Simon Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
platform, automation capability, and database estate across critical production systems operating in a true 24/7 environment. Youll work across modern cloud infrastructure, high-availability database environments, Infrastructure as Code, automation, monitoring, and operational improvement projects with real technical autonomy. Location: Remote Salary … Server and CosmosDB Strong Infrastructure as Code (IaC) and Automation Database monitoring and performance tuning SQL replication Deep Azure background Patching, upgrades and maintenance High availability database environments Highly Desirable Skills: Terraform CI/CD pipelines Azure DevOps Kubernetes Cloud automation tooling Leading or mentoring technical teams DevOps ...

iNet Engineer

Hiring Organisation
Lorien
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
technical skills required for this position are as follows: Checkpoint Firewall-1. General knowledge of Checkpoint Firewall-1, R81.10 or above running on ClusterXL High Availability configurations. Fortinet Firewall. General knowledge of Fortinet OS 7.2 or above running on High Availability configurations. SkyHigh Web Gateway ...

C#.Net Developer

Hiring Organisation
Boston Hale
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £70,000 per annum
days onsite/2 days remote) I'm partnering with a leading multinational investment management firm seeking a strong C# Developer to join a high-performing engineering team delivering business-critical platforms. This role requires someone confident with strong communication skills to engage directly with stakeholders, shaping requirements … working on: Real-time asset tracking platforms integrating external data sources (e.g. Bloomberg, Refinitiv, Morningstar, market data feeds, pricing & risk engines) High-availability, high-quality distributed applications Enhancing systems that model financial positions, transactions and flows Driving projects from inception through design, build, testing and release Core ...

Senior Database Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
this area. Ensure the rollout of a standards‐based estate using relevant configuration management tools. Plan capacity for physical and virtual database servers. Ensuring high availability of the infrastructure and minimising the duration and impact of any outages. Maintain a consistently high level of service delivery ...

Engineer - Endpoint

Hiring Organisation
Algo Capital Group
Location
City of London, London, United Kingdom
ownership mentality, an engineering mindset, and a sense of urgency are critical. Troubleshoot and resolve complex endpoint, application, and user experience issues, particularly in high-speed, high-availability trading environments. Support endpoint platforms and services across Windows and macOS, with a focus on reliability, standardisation, security, performance ...

Network Engineer

Hiring Organisation
Laser Digital
Location
City of London, Greater London, UK
Zero Trust model through segmentation and ZTNA policies. Performance & Low-Latency Optimisation Engineer networks for speed, efficiency, and resilience—particularly in support of high-performance financial systems. Monitor and analyse performance, recommend improvements, and ensure systems meet demanding SLAs. Support colocation near exchanges and manage high-throughput … Collaboration & Project Leadership Act as a key stakeholder in cross-functional teams, working with Infrastructure, Security, DevOps, and Application teams to deliver secure and high-performance systems. Document design standards and mentor others in networking best practices. Lead major infrastructure initiatives from design through to implementation. Support & Innovation Continuously ...

Senior Software Engineer - Buy-Side

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
professionals in a fast-paced, intellectually rigorous environment — one that values technical mastery, curiosity, and continuous learning. Whether you’re optimizing distributed systems for high throughput, designing high-availability infrastructure, or building tools that give clients a competitive edge, your impact will be both immediate and global. … with strong observability, resilience, and automated testing from day one. Complex Problem Solving: Design and implement technology that transforms complex client workflows into streamlined, high-impact solutions across global market. Cross-Functional Collaboration: Partner with product managers and infrastructure engineers to deliver measurable business value. Leadership & Impact: Manage technical ...

Principal Network Solution Architect

Hiring Organisation
CACI Ltd
Location
City of London, London, United Kingdom
prospective customers (new logos). Engage with stakeholders from C-level executives to technical engineering teams , translating complex technical and business requirements into high‐level and detailed technical architectures. Provide expert consultancy on network strategy, transformation roadmaps, best practices, and emerging technologies. Build strong, long-term relationships that support … security technologies. Ensure all designs are scalable, resilient, secure, and aligned to customer requirements, technical strategy, and industry best practices Lead creation of high-quality architectural documentation, including HLA, HLD, LLD, standards, and design patterns. Ensure designs align with industry best practices, compliance requirements, and customer governance processes. ...

GCP DevOps Engineer

Hiring Organisation
Tata Consultancy Services
Location
City of London, London, United Kingdom
pipelines and cloud infrastructure on Google Cloud Platform (GCP). Collaborate with development and operations teams to automate deployments, monitor system performance, and ensure high availability and scalability of applications. Build secure, reliable, and cost-optimized cloud environments. Troubleshoot issues across environments and maintain compliance with security best … seeker, beware of fraudulent recruitment activity and protect your interests! You can write to UKI.recruitment@tcs.com to report any fraudulent activity. Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received ...

Senior AWS Cloud Engineer

Hiring Organisation
Albert Bow
Location
City of London, London, United Kingdom
Requirements We’re targeting experienced contractors who can hit the ground running: Core Skills Strong hands-on AWS experience (5+ years) Proven experience with: High availability & failover design Backup, replication & disaster recovery AWS networking & security architecture Deep understanding of: IAM (RBAC, least privilege, MFA) CloudWatch, CloudTrail, logging & monitoring ...

Full Stack Software Engineer (Golang/Typescript)

Hiring Organisation
Safe Intelligence
Location
City of London, Greater London, UK
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 ...

Unified Communications & Audio Visual Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £300 per day
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. ...

Application Support Team Lead

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
culture is one of trust, openness, and excellence. They work in a collaborative style and take collective responsibility for successes and failures. They value high personal integrity, innovative thinking, efficient, reliable performance and spark. Within this role you will join a supportive team, where they aim to recruit … line support, answering phone calls and monitoring help desk systems, dealing with basic issues and escalating other calls to the appropriate person Maintain a high degree of customer service for all support queries Performing troubleshooting and collection of information for effective issue diagnosis and internal escalation Maintain security reference ...

Network Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £530/day
site) Level: Professional (Band P3) Are you a CCNP-level engineer with a passion for hybrid cloud environments? We are looking for a high-caliber Network Engineer to join our IT Infrastructure and Operations team for a critical 6-month project. This role sits at the heart … Institutions or UK Government sectors. Familiarity with Zero Trust architecture and modern segmentation. Why Apply? This is a chance to provide strategic oversight on high-availability systems within a regulated banking environment. You'll work with a talented IT Operations team and managed service providers to deliver reliable ...

Python Developer

Hiring Organisation
Breakthrough Talent
Location
City of London, London, United Kingdom
tech company in West London who are hiring for a Software Engineer to join their Data Cloud engineering team. They’re building out scalable, high-availability platforms using modern AWS services (ECS/EKS, Lambdas, Serverless), and need someone who enjoys working across infrastructure, backend, and DevOps tooling. ...

Principal Software Engineer

Hiring Organisation
Zorba Consulting Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 120,000 Annual
Driving architectural decisions across distributed systems and cloud infrastructure Leading technical design reviews and influencing engineering best practices Mentoring engineers and helping scale a high-performing engineering culture Designing and optimising SQL and NoSQL data models Developing APIs, asynchronous workflows, and event-streaming pipelines Deploying secure, high availability … systems Strong architectural leadership experience Experience mentoring or leading senior engineers/teams Ability to influence technical direction across multiple workstreams Experience operating within high-scale or regulated environments Nice to have: Expertise in AWS Lambda, Fargate, SQS/SNS, DynamoDB and cloud native architectures Client-facing experience Ideally ...

Software Engineer

Hiring Organisation
Zorba Consulting Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 90,000 Annual
optimising SQL and NoSQL data models Developing APIs, asynchronous workflows, and event-streaming pipelines Contributing to Vue.js frontend components where needed Deploying secure, high availability services across AWS, GCP, and Azure How Engineering Works We heavily utilise agentic coding and AI-assisted development workflows, including Claude Code … workflows and AI-assisted development Experience designing APIs and distributed systems Understanding of observability, resilience, and secure coding practices Comfortable working in regulated or high-integrity environment Nice to have: Expertise in AWS Lambda, Fargate, SQS/SNS, DynamoDB and cloud native architectures Client-facing experience Ideally experience within ...

IAM Business Analyst

Hiring Organisation
Hyerhub
Location
City of London, Greater London, UK
Marketing & Innovation team to provide materials/Pre-Sales support for sales activities Writing and reviewing reports and other client-facing deliverables, to a high standard The expectation will be that you have basic skill in the design and configuration of an IAM vendors capabilities (e.g. Life Cycle Management … similar Understanding of the following concepts/technologies: LDAP; FIDO; SAML; OAUTH; Active Directory; Linux; Databases (SQL/JDBC); Networking (including High Availability, Fault Tolerance, etc), Virtualisation technology Implementation and project methodologies (e.g. PRINCE2/AGILE ...

DevOps Platform Admin

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£465 - £466 per day
supporting internal teams with configuration, access, and platform management. What you'll be doing: Managing and maintaining GitLab, Jira, and Confluence platforms to ensure high availability and optimal performance Supporting internal teams with platform configuration, access management, and troubleshooting Ensuring the security and integrity of the tooling infrastructure ...

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 ...

Market Access Developer (C++)

Hiring Organisation
NJF Global Holdings Ltd
Location
City of London, London, United Kingdom
will work on the core infrastructure that connects internal trading systems directly to global exchanges and liquidity venues. You will design, build, and enhance high-performance market access gateways and market data systems where precision, speed, and reliability are critical. You will take ownership of end-to-end exchange … connectivity, including onboarding new brokers and venues, implementing protocol changes, and ensuring production stability of mission-critical trading flows. The work spans high-performance systems engineering, real-time optimisation, and hands-on production support in a fast-moving environment. This is a highly collaborative role working closely with traders ...

Senior ML Engineer

Hiring Organisation
Sky
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
feature engineering and model training utilising both structured and unstructured large-scale datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Design and analysis of A/B tests and offline experiments to evaluate model efficacy … . . Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI and its applications ...

Senior Machine Learning Engineer (Recommendation)

Hiring Organisation
Sky
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
feature engineering and model training utilising both structured and unstructured large-scale datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Design and analysis of A/B tests and offline experiments to evaluate model efficacy … . . Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI and its applications ...