19 of 19 High Availability Jobs in the City of London

Business Analyst (Finance Systems)

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £800/day
their talents, skills, and unique experience in an inclusive environment that helps them thrive. We are happy to be recruiting for one of our high-profile banking clients. They are currently looking for a Business Analyst with knowledge of (Finance Systems) to join them for an initial 5 month … within the projects. Knowledge, Skills & Experience: Experience of working within a complex delivery environment Analysis/design of financial transaction matching & reconciliation workflows in high-volume/high-availability, time-Critical Use Cases that leverage multi-vendor infrastructure and inputs Analysis of financial reporting operational workflows ...

Senior DevOps Engineer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
world-class platform. Day-to-day of the role: Own and manage the cloud infrastructure, ensuring scalability, resilience, and security. Implement and maintain high-availability architectures across critical services and data layers. Design and optimise infrastructure to support AI-powered workloads and data pipelines. Lead cost optimisation initiatives … roles. Strong hands-on experience with AWS, Docker, Kubernetes, and Terraform. Proficiency in CI/CD pipelines and Linux systems administration. Deep understanding of high-availability architecture, networking, load balancing, and distributed systems. Proven experience supporting production SaaS environments. Strong understanding of monitoring and observability tooling. Excellent scripting ...

Senior Network Engineer

Hiring Organisation
Mane Contract Services
Location
City of London, London, United Kingdom
Responsibilities Design, deploy, and maintain LAN, WAN, WLAN, and VPN infrastructure Monitor network performance and troubleshoot issues to ensure high availability Configure and manage routers, switches, firewalls, and load balancers Implement and maintain network security measures, including firewalls, IDS/IPS, and access controls Perform network upgrades, patches … with cloud networking (AWS, Azure, or GCP) Knowledge of SD-WAN, VoIP, or wireless networking Scripting or automation experience (Python, Bash, Ansible) Experience in high-availability or enterprise-scale environments Soft Skills Strong analytical and problem-solving skills Excellent communication and documentation abilities Ability to work independently ...

Senior DevOps Engineer

Hiring Organisation
DNA Recruit
Location
City of London, London, United Kingdom
fast-growing digital agency is looking for a hands-on Senior DevOps Engineer to own and shape its DevOps function. This is a high-impact role where you will assess and improve internal processes, development workflows, and the way client solutions are hosted and supported. You will work across … . Familiarity with infrastructure as code tools (Terraform, ARM/Bicep, CloudFormation) and configuration management (Ansible, Chef, Puppet). Experience supporting large-scale or high-availability web platforms with strict SLAs. This role is ideal for someone who enjoys a hands-on, end-to-end DevOps challenge, driving ...

Senior Fullstack Developer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £95000/annum bonus
Senior Fullstack Engineer to build scalable Java microservices for core banking platforms. Take ownership of key components and work with a talented team on high-performance financial solutions. What you'll do as a Senior Fullstack Engineer: Design and develop Java microservices (Spring Boot, Hibernate/JPA) for backend … platforms Develop full-stack features with JavaScript frameworks (Angular) Champion CI/CD, TDD/BDD, and engineering best practices Optimize Java applications for high-volume, high-availability systems What You Need 5+ years experience as a Software Engineer with strong Java/J2EE expertise (Java 8+ ...

Cloud Delivery Lead

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £575/day Inside IR35 Hybrid 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 Full Stack Engineer

Hiring Organisation
Medly AI
Location
City of London, London, United Kingdom
Technical CEO and other Full Stack Engineers to architect and scale our platform as we grow rapidly. You will play a pivotal role in high-impact projects such as optimizing performance for hundreds of thousands of users, designing scalable system architecture, mentoring junior engineers, and making key technical decisions … that shape our product. This is a high-impact opportunity for someone ready to take significant ownership, solve complex challenges at scale, and help power the next generation of educational technology. Role Responsibilities Architect and build scalable features across our web app (Next.js) and mobile app (React Native) Design ...

Senior IAM Engineer (ForgeRock)

Hiring Organisation
Paritas Recruitment
Location
City of London, London, United Kingdom
ideal for a hands-on identity expert who can operate across engineering, architecture, and delivery, while influencing senior stakeholders in a highly regulated, high-availability environment. Responsibilities include: Leading the end-to-end technical design for ForgeRock AM/IDM/DS solutions Defining upgrade and migration strategies ...

Senior Full Stack Engineer (Golang/Typescript/Kubernetes)

Hiring Organisation
Safe Intelligence
Location
City of London, London, United Kingdom
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 ...

Senior Software Engineer

Hiring Organisation
Fynity
Location
City of London, London, United Kingdom
London – 1 day a week onsite Are you a highly experienced individual contributor looking for a step up into a senior position in a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity … bank infrastructure to enable real-time, secure transactions across the globe. What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies, whilst working closely with some of the largest banks across Europe. Design ...

Senior Platform Engineer - Tier 1 Multi Strategy Fund ~$300k+

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
Strong experience with Infrastructure-as-Code. Proficiency with automation tools. Hands-on Linux (Debian-based) systems administration. Production experience in containerised environments. Understanding of high availability patterns. Experience working with CI/CD pipelines. Bonus: deep hardware knowledge, networking fundamentals, familiarity with network equipment, strong automation mindset. ...

Junior Java Developer

Hiring Organisation
Inspire Talent Ltd
Location
City of London, London, United Kingdom
trading, pricing, and risk management functions. Working closely with experienced technologists, quants, and business stakeholders, you will gain hands-on experience in building robust, high-performance software solutions that meet the needs of a fast-paced financial environment. Key Responsibilities Design, develop, and enhance applications in Java and Python … effective solutions. Participate in all phases of the software development lifecycle including analysis, design, coding, testing, and deployment. Maintain and optimise existing applications, ensuring high availability and performance. Support system users, investigate and resolve production issues, and provide enhancements where needed. Write clean, maintainable, and well-documented code ...

SC Cleared SAP Basis Administrator

Hiring Organisation
ECS Resource Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£575 - £600/day
system copies, clients, and transport management (TMS) Perform SAP kernel upgrades, patching, and system upgrades Administer SAP HANA backups, recovery, and performance tuning Support high availability and disaster recovery setups Key Requirements: Expertise with SAP Basis, database, and operating system expertise Experience with system monitoring, troubleshooting, upgrades ...

Linux Administrator

Hiring Organisation
Stanford Black Limited
Location
City of London, London, United Kingdom
strategic trading firm, is looking for an Infrastructure Operations Engineer to support their Infrastructure team. The Infrastructure team is responsible for maintaining a resilient, high-availability Linux environment that supports large-scale compute workloads and mission-critical platforms. The team partners with researchers, developers, and systems engineers ...

Digital Operations Manager, IT Manager

Hiring Organisation
Experis UK
Location
City of London, London, United Kingdom
provide ongoing feedback to foster growth and development within the team. Operational Oversight: Oversee the daily operations of digital systems, applications, and infrastructure. Ensure high availability and performance of all IT services and applications. Implement and maintain monitoring systems to proactively identify and resolve issues. Application Support: Manage … with the End-to-End QA Specialist to develop comprehensive test plans and ensure thorough testing. Ensure quality assurance processes are followed to maintain high standards. Strategic Planning and Improvement: Develop and implement strategies to enhance digital operations and IT service delivery. Identify opportunities for process optimisation and efficiency ...

Tech Lead Azure / .NET

Hiring Organisation
ARC IT Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Azure | C# | .NET | APIs | Platform Leadership A senior Tech Lead is required to join a well-established e-commerce brand operating at scale, supporting high-throughput, business-critical backend systems. This role sits within a core backend and API-focused team responsible for internal platforms that directly support commercial … expectation of attending roughly once every two weeks. The Role Act as the technical lead for a backend/API team supporting real-time, high-availability systems Own solution design and architecture, ensuring systems are scalable, resilient and well-governed Lead and perform code reviews, setting clear quality ...

Network Specialist

Hiring Organisation
Ncounter LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 … Continuously improve network resilience, throughput, and operational efficiency What Were 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 ...

.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. ...

Senior Manager, Data Centre Operations

Hiring Organisation
AirSearch
Location
City of London, London, United Kingdom
operational performance, service quality, and resilience of a major carrier-dense, globally connected data centre campus. The site supports mission-critical colocation services, high-density deployments, extensive interconnection ecosystems, and 24/7 operational demands. This role oversees facilities operations, engineering/M&E teams, and incident management processes … while ensuring excellence in service delivery and compliance with strict availability, safety, and security standards. Key Responsibilities Operational Leadership Oversee day-to-day data centre operations, ensuring consistent adherence to uptime, safety, and customer SLAs. Lead and develop the Facilities Manager and M&E Manager, providing strategic direction ...