1 to 25 of 33 High Availability Jobs in the City of London

Network Engineer - Financial Services

Hiring Organisation
Ashdown Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
team. This is a key role with responsibility for the design, delivery, and ongoing support of a global enterprise network , working in a complex, high-availability environment. You will play a pivotal role in modernising network infrastructure , driving technical improvements, and providing senior-level support across the organisation. … switching, firewall, and SD-WAN solutions Integrate switches, routers, wireless controllers, SDN, load balancers, NAC servers, and cloud platforms Ensure network security, resilience, and high availability across global environments Skills & Experience Required Proven experience designing and implementing networks in a large user or enterprise environment Strong Cisco background ...

Database Administrator DBA

Hiring Organisation
Alexander Edward James Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Temporary, Work From Home
Salary
£60,000
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 ...

C#.Net Developer

Hiring Organisation
Boston Hale
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 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 SQL DBA

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £350 to £370 per day
functions can fulfil the collective mission of promoting monetary and financial stability for the good of the UK. We achieve this by delivering resilient, high performing, secure technology solutions and information services across the organisation. Technology operates on a clear and efficient model: Analyse Deliver Service Secure, ensuring transparency … Server databases across the Banks environment. Configure, optimise, and support SQL Server instances and associated processes. Monitor overall system health, performance, and capacity. Ensure high levels of availability, resilience, performance, and security. Troubleshoot and resolve incidents in real time. Provide recommendations for improvements and corrective actions. Operational Excellence ...

Senior Security Administrator - Palo Alto

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£200 - £400 per day
controls, ensuring secure and resilient network operations across enterprise environments. This role is hands-on, need to be comfortable working in complex, regulated, or high-availability environments, partnering with infrastructure, networking, and SOC teams to deliver robust security outcomes. Key Responsibilities: Palo Alto Administer, configure, and support Palo ...

Cloud Delivery Lead

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£70 - £79/hour Inside IR35 Remote working
Team & People Management Lead multidisciplinary agile teams including cloud engineers, DevOps specialists, analysts, and testers Mentor, coach, and support performance development to build a high-performing delivery culture Ensure effective resource planning to support sprint velocity and long-term delivery capacity Cloud Architecture & Engineering Oversight Oversee delivery of cloud … architectures, container platforms, and hybrid infrastructure solutions Guide adoption of Infrastructure as Code (IaC) and automation practices Collaborate on designs for scalability, resilience, and high availability across platforms Delivery Operations & Agile Governance Manage sprint planning, backlog prioritisation, and iterative delivery using agile methodologies Track and report delivery metrics ...

Senior Cloud Infrastructure Engineer

Hiring Organisation
2i Recruit Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 - 85,000 Annual
Head of IT, you will manage and optimise cloud environments, ensure security and compliance, and work closely with the Solutions Architect to deliver scalable, high-performing infrastructure solutions. Advanced expertise in Microsoft Azure and the broader Microsoft technology stack is essential, along with flexibility to support on-call … hours requirements. Key Responsibilities: Design, implement, and manage scalable, secure, and high-availability Azure cloud infrastructure. Administer Azure Virtual Desktop (AVD) environments, ensuring compliance and seamless user experience. Develop and enforce application control policies to maintain secure and compliant usage across the organisation. Implement Microsoft Purview data governance ...

.NET Developer

Hiring Organisation
Lime Street Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
features using .NET and SQL Coordinating sub-projects and engaging directly with business on requirements and functionality Managing live system issues and ensuring high availability and performance The successful candidate will work closely with stakeholders to understand requirements and design robust solutions as we expand our systems … innovation in our technology stack. The development teams in London and the US consist of skilled developers across different disciplines, working together to deliver high-quality solutions. Skills Required We are looking for someone who combines strong technical ability with excellent problem-solving skills. The successful candidate will demonstrate ...

Senior Cloud Infrastructure Engineer

Hiring Organisation
DGH Recruitment Ltd
Location
City of London, London, Cathedrals, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum
strong understanding of the broader Microsoft technology stack. Responsibilities: * Design, implement, and continually manage Azure cloud infrastructure to ensure scalability, security, and high availability. * Perform vulnerability patch management for cloud and on-premises systems, ensuring timely remediation of identified risks. * Administer and optimize Azure Virtual Desktop (AVD) environments, ensuring ...

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 ...

RPG Lead

Hiring Organisation
Quinnox Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
practices, and system governance for RPG and IBM i applications. Review and approve technical designs, RPG code, and database changes. Ensure solutions meet performance, availability, security, and audit requirements. Lead root cause analysis for complex production issues and ensure long-term fixes. Development & Delivery Act as a hands … Flex cube, Temenos, etc.). Exposure to core banking modernization or system integration initiatives. Knowledge of API enablement, message queues, or middleware. Experience with high availability, disaster recovery, and failover setups. Familiarity with banking regulations, audits, and compliance controls. ...

Network Engineer

Hiring Organisation
Ashdown Group
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
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 ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £60,000 per annum
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. ...

Principal Machine Learning 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 ...

Machine Learning Engineering Lead

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 ...

ML Tech Lead

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 ...

Machine Learning Team Lead

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 ...

Applied Machine Learning Lead

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 ...

.NET Developer

Hiring Organisation
Lime Street Recruitment Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 Annual
features using .NET and SQL Coordinating sub-projects and engaging directly with business on requirements and functionality Managing live system issues and ensuring high availability and per click apply for full job details ...

AI Platform Architect

Hiring Organisation
Hays Specialist Recruitment Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £383 per day
design and end-to-end architecture of a next-generation AI platform leveraging AWS and Databricks. In this role, you will define both high-level and low-level designs, shape scalable and secure data and AI/ML platform capabilities, and drive seamless integration with core enterprise systems. … Platform Architect to lead the design and architecture of our next-generation AI platform built on AWS and Databricks. This role involves defining the High-Level Design (HLD) and Low-Level Design (LLD) for the end-to-end platform, driving integration with enterprise systems such as Radar ...

Backend Software Engineer Junior-Mid Level - Programmatic

Hiring Organisation
Mobkoi
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
MOBKOI’s programmatic backend systems, including components of the real-time bidding (RTB) pipeline.• Support the design and implementation of scalable, reliable, and high-performance services handling large volumes of traffic.• Work alongside senior engineers to help evolve system architecture while balancing performance, cost efficiency, and reliability.• Assist … performance and contribute to initiatives that optimise infrastructure usage and operational cost.• Participate in diagnosing and resolving issues related to distributed systems, including latency, availability, and scaling challenges.• Implement backend components following best practices in fault tolerance, load balancing, and resilient design.• Develop an understanding of the programmatic advertising ...

Backend Software Engineer (JuniorMid Level) Programmatic

Hiring Organisation
Mobkoi
Location
City of London, London, United Kingdom
Employment Type
Permanent
improvement of MOBKOIs programmatic backend systems, including components of the real-time bidding (RTB) pipeline. Support the design and implementation of scalable, reliable, and high-performance services handling large volumes of traffic. Work alongside senior engineers to help evolve system architecture while balancing performance, cost efficiency, and reliability. Assist … performance and contribute to initiatives that optimise infrastructure usage and operational cost. Participate in diagnosing and resolving issues related to distributed systems, including latency, availability, and scaling challenges. Implement backend components following best practices in fault tolerance, load balancing, and resilient design. Develop an understanding of the programmatic advertising ...