58 infrastructure cloud jobs found in London

Infrastructure/Cloud (AWS) Platform Architect, Outside IR35 Remote working (once per month on site) Outside of IR35. £500- £700 per day Our client, a leading financial services organisation, is looking to hire a Cloud Architect with an Infrastructure Architect background. The primary purpose of the role is to own and develop the technical architecture for our client 's infrastructure. Responsible for leading, developing and optimising infrastructure platforms to support our client 's digital strategy. The successful candidate will focus on ensuring the technical architecture supports security, scalability, reliability and cost effectiveness across platforms. The role holder will have technical authority for infrastructure architecture topics and will collaborate with the wider digital technology, engineering and architecture teams. General responsibilities: - Mature infrastructure technical architecture, defining architectural standards and...

Infrastructure/Cloud (AWS) Platform Architect, Outside IR35 Remote working (once per month on site) Outside of IR35. £500-£700 per day Our client, a leading financial services organisation, is looking to hire a Cloud Architect with an Infrastructure Architect background. The primary purpose of the role is to own and develop the technical architecture for our client's infrastructure. Responsible for leading, developing and optimising infrastructure platforms to support our client's digital strategy. The successful candidate will focus on ensuring the technical architecture supports security, scalability, reliability and cost effectiveness across platforms. The role holder will have technical authority for infrastructure architecture topics and will collaborate with the wider digital technology, engineering and architecture teams. General responsibilities: - Mature infrastructure technical architecture, defining architectural standards and best practices for...

Infrastructure/Cloud (AWS) Platform Architect, Outside IR35 Remote working (once per month on site) Outside of IR35. £500-£700 per day Our client, a leading financial services organisation, is looking to hire a Cloud Architect with an Infrastructure Architect background. The primary purpose of the role is to own and develop the technical architecture for our client's infrastructure. Responsible for leading, developing and optimising infrastructure platforms to support our client's digital strategy. The successful candidate will focus on ensuring the technical architecture supports security, scalability, reliability and cost effectiveness across platforms. The role holder will have technical authority for infrastructure architecture topics and will collaborate with the wider digital technology, engineering and architecture teams. General responsibilities: - Mature infrastructure technical architecture, defining architectural standards and best practices for...

Cloud Infrastructure Engineer (Azure) – Contract £550–£650/day | Outside IR35 | Hybrid - London (2-3 visits a month) We’re working with a growing fintech organisation seeking an experienced Azure Cloud Infrastructure Engineer to support their cloud platform and deliver a Disaster Recovery architecture review and design. This is a hands-on contract role suited to a senior engineer who enjoys working closely with engineering teams while owning infrastructure improvements in Azure. Project Scope The initial engagement will focus on designing and defining the organisation’s Disaster Recovery capability across their Azure environment. Key deliverables include: Reviewing current infrastructure resilience and recovery capabilities Defining DR architecture and infrastructure requirements Providing cost analysis and technical recommendations Producing a delivery roadmap for DR implementation Responsibilities Alongside the DR project, you will...

Azure Cloud Infrastructure Engineer (Disaster Recovery)) – Contract £550–£650/day Outside IR35 Hybrid - London (2-3 visits a month) We’re working with a growing fintech organisation seeking an experienced Azure Cloud Infrastructure Engineer to support their cloud platform and deliver a Disaster Recovery architecture review and design. This is a hands-on contract role suited to a senior engineer who enjoys working closely with engineering teams while owning infrastructure improvements in Azure. Project Scope The initial engagement will focus on designing and defining the organisation’s Disaster Recovery capability across their Azure environment. Key deliverables include: Reviewing current infrastructure resilience and recovery capabilities Defining DR architecture and infrastructure requirements Providing cost analysis and technical recommendations Producing a delivery roadmap for DR implementation Responsibilities Alongside the DR project, you will...

Azure Cloud Infrastructure Engineer (Disaster Recovery) - Contract £550-£650/day | Outside IR35 | Hybrid - London (2-3 visits a month) We're working with a growing fintech organisation seeking an experienced Azure Cloud Infrastructure Engineer to support their cloud platform and deliver a Disaster Recovery architecture review and design. This is a hands-on contract role suited to a senior engineer who enjoys working closely with engineering teams while owning infrastructure improvements in Azure. Project Scope The initial engagement will focus on designing and defining the organisation's Disaster Recovery capability across their Azure environment. Key deliverables include: Reviewing current infrastructure resilience and recovery capabilities Defining DR architecture and infrastructure requirements Providing cost analysis and technical recommendations Producing a delivery roadmap for DR implementation Responsibilities Alongside the DR project, you...

Senior Infrastructure Engineer Central London £550 - £650 p/d - outside IR35 3 month initial term A well-established, growing business is seeking an experienced Senior IT Infrastructure Engineer to support both core infrastructure and M&A projects. This is a critical role during a period of ambitious expansion, including multiple acquisitions and integration of new sites. You will ensure seamless IT operations, business continuity and secure, resilient infrastructure across offices and acquired businesses. Key Responsibilities: * Lead the assessment, integration and consolidation of IT environments during mergers and acquisitions * Manage core office and site networks, including LAN/WAN, VPNs, IP addressing and firewall operations (FortiGate)u * Conduct audits of IT infrastructure, cloud environments (Azure, AWS) and enterprise applications (ERP, CRM) * Plan and execute migrations, including tenant-to-tenant Microsoft 365 and Active Directory...

Senior Infrastructure Engineer Central London £550 - £650 p/d - outside IR35 3 month initial term A well-established, growing business is seeking an experienced Senior IT Infrastructure Engineer to support both core infrastructure and M&A projects. This is a critical role during a period of ambitious expansion, including multiple acquisitions and integration of new sites. You will ensure seamless IT operations, business continuity and secure, resilient infrastructure across offices and acquired businesses. Key Responsibilities: * Lead the assessment, integration and consolidation of IT environments during mergers and acquisitions * Manage core office and site networks, including LAN/WAN, VPNs, IP Addressing and Firewall operations (FortiGate)u * Conduct audits of IT infrastructure, cloud environments (Azure, AWS) and enterprise applications (ERP, CRM) * Plan and execute migrations, including tenant-to-tenant Microsoft 365 and Active Directory consolidations *...

We are seeking a highly organised and knowledgeable Network & Infrastructure Delivery Manager to oversee the successful delivery of network, EUC and Cloud related projects across the UK. This role is not hands-on technical , but it does require a strong technical working understanding of network technologies, infrastructure, cloud, EUC and best practices to effectively manage stakeholders, coordinate engineering teams, and ensure smooth project execution. You will be responsible for planning, coordinating, and Project Delivery - Network, video, digital signage upgrades & deployments across multiple UK sites, ensuring that all work is delivered to a high standard and in line with project timelines. Key Responsibilities Manage end-to-end delivery of network infrastructure projects across UK sites. Coordinate with technical teams, vendors, and stakeholders to ensure successful project execution. Oversee project planning, scheduling, documentation, and...

Azure Architect/Snr Developer with experience architecting large Azure based systems. Proven experience of large data high profile performance transactions, from AWS to Azure ideally within financial services. Skills & Duties: Excellent architecture systems migration from AWS to Azure Event driven processes across an asynchronous architecture Large data high profile performance transactions, ideally within financial services. Knowledge of Cosmos Database or Data Cubes Act as the Azure trust expert Coding experience in .NET and Python Mentor and train Jnr Developers Based in London 3 days a week with flex after 3 - 6 months - 2 days a week Lead Azure Architect/Developer - Azure, AWS, .NET and Python - 18 Month Contract - London

DevOps Engineer - Active SC, Ansible, Terraform Up to £500 per day (Outside IR35) Primarily Remote 6 months My client requires a hands‑on DevOps Engineer with active SC clearance to support the delivery and maintenance of Azure‑based IaaS/PaaS environments using Terraform and Ansible. Key Requirements: Proven experience as a DevOps Engineer with Active Security Clearance (SC) Hands‑on experience designing and delivering Infrastructure as Code solutions using Terraform. Strong track record applying Ansible for configuration management and automated environment builds. Background implementing, supporting and optimising services within the Azure cloud platform. Practical experience administering Windows Server estates in operational environments. Solid exposure to Linux server management, including configuration, patching and diagnostics. Experience resolving infrastructure, OS and network‑level issues, including components such as Active Directory, DNS and IIS....

Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...

London - 1 or 2 days per week onsite - City of London 6 months contract £570 per day - Outside IR35 Senior Application Developer London - Hybrid working (1 - 2 day per week office visit required) 6 months contract - £570 per day - Outside IR35 About the Role We are looking for a Senior Application Developer to design and build a robust PostgreSQL-based data platform that will underpin our investment reporting, risk analytics, regulatory disclosures and performance measurement. This is a genuinely high-impact, greenfield opportunity. You will have real ownership of the platform design and lead the migration away from Databricks and Excel-driven processes - leaving a lasting mark on infrastructure that sits at the heart of our investment operations. What You'll Be Doing You will lead the design and build of a scalable, secure PostgreSQL data platform to support: Portfolio holdings and valuations Performance and attribution reporting Risk analytics...

DevOps Engineer - Active SC, Ansible, Terraform Up to £500 per day (Outside IR35) Primarily Remote 6 months My client requires a hands-on DevOps Engineer with active SC clearance to support the delivery and maintenance of Azure-based IaaS/PaaS environments using Terraform and Ansible. Key Requirements: Proven experience as a DevOps Engineer with Active Security Clearance (SC) Hands-on experience designing and delivering Infrastructure as Code solutions using Terraform. Strong track record applying Ansible for configuration management and automated environment builds. Background implementing, supporting and optimising services within the Azure cloud platform. Practical experience administering Windows Server estates in operational environments. Solid exposure to Linux server management, including configuration, patching and diagnostics. Experience resolving infrastructure, OS and network-level issues, including...

NETWORK ENGINEER - OUTSIDE IR35 We are seeking a highly motivated and experienced Network Engineer to join a dynamic technology team within a fast-paced investment banking environment. This role is ideal for an individual with strong technical expertise, excellent problem-solving skills, and experience supporting enterprise-grade network infrastructure in a regulated, high-availability setting. Key Responsibilities Support, configure, and maintain enterprise network systems, including routers, switches, firewalls, VPNs, and cloud-based network services . Monitor network performance, perform diagnostics, and troubleshoot issues to ensure high availability, reliability, and optimal performance . Assist in the design and implementation of secure, scalable network solutions aligned with business and security requirements. Collaborate with cross-functional teams to resolve network incidents and support ongoing business initiatives....

Developer-in-Test (SC Cleared) Southend / Reading (Hybrid) 3 Month Rolling Contract £450/day (Outside IR35) Developer-in-Test needed with active SC Security Clearance and Java coding skills. 3 Month Rolling Contract based in either Southend (Essex) or Reading (Hybrid). Hybrid Working - 3-4 days/week remote (WFH), and 1-2 days/week working on-site from the office. Start ASAP in March 2026. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Developer-in-Test / SDET with strong Java coding + test automation skills. Government / (url removed) projects experience strongly preferred. Test automation tools experience -eg- Selenium, Serenity or Cucumber. Continuous Integration tools -eg- Jenkins, Stash, Hudson, Github. Testing UI and Web Services systems including end-to-end and in isolation using Mocks. Experience with large datasets + appreciation of data isolation in a...

Senior Cloud Network Engineer - Multi-Cloud, AWS, Azure, Terraform - £600 - £650 per day (outside IR35, mostly remote) A global commercial real estate services and investment firm are seeking a highly skilled Senior Cloud Network Engineer to lead the design and optimization of secure, scalable cloud networking solutions across their international operations. The Senior Cloud Network Engineer's responsibilities will be: Design and implement advanced cloud network architectures across AWS, Azure, and hybrid environments including VPCs, Transit Gateways, and Direct Connect solutions. Lead integration of on-premises and cloud networks, ensuring secure and efficient hybrid connectivity across global infrastructure. Collaborate with cybersecurity, DevOps, and infrastructure teams to align cloud network strategies with business objectives. Conduct cloud network architecture reviews, performance tuning, and cost optimization initiatives. Develop and maintain network...

We are seeking a Senior Azure Platform Engineer to support the delivery of a critical, Internet-facing cloud platform within a regulated legal services environment. The organisation is standing up a secure, scalable Azure-based platform to support consumer-facing workflow operations. This is a delivery-critical programme with tight timelines, requiring an experienced engineer who can bridge the gap between architectural design and hands-on implementation. You will work closely with the internal Cloud Centre of Excellence (CCoE), project delivery teams, and technical architects to implement secure, automated, production-grade Azure infrastructure while foundational cloud capabilities continue to mature. This is a highly hands-on role requiring strong Azure platform engineering expertise, Infrastructure-as-Code automation, and security-first thinking. Project Context Delivery of a new Azure-hosted platform supporting regulated, consumer-facing operations...

Outside IR35 | £500-£525/day | 6 Months Remote - UK We're looking for experienced Backend Engineers to support the development and scaling of Back End platforms powering a range of digital products and internal systems. This is a hands-on contract role suited to senior engineers who enjoy technical ownership, improving system performance, and contributing to architectural decisions while remaining actively involved in delivery. The Role Develop Back End services using Node.js and TypeScript Build and enhance APIs and system integrations Improve scalability, reliability and overall platform performance Contribute to system design and technical decision-making Collaborate closely with engineering and product teams Provide technical guidance where required Technology Environment Node.js TypeScript/JavaScript APIs and microservices Cloud platforms (AWS, GCP or Azure) Distributed Back End systems Experience Required Strong commercial Back End engineering...

Generative AI Engineer/Applied AI Engineer Remote (UK) | Contract We're working with an AI technology company investing heavily in next-generation intelligent systems powered by Large Language Models and modern machine learning infrastructure. They're looking for an engineer to help design and deliver AI-driven applications that combine machine learning, Generative AI and scalable Back End systems. This role focuses less on model experimentation and more on building reliable AI-powered products used in live environments . The Role You'll work on the design and implementation of AI services powered by LLMs and advanced ML techniques, helping move AI capabilities from proof-of-concept into production. You'll collaborate with engineering and product teams to build systems that integrate language models, data platforms and cloud infrastructure. Responsibilities Develop applications powered by Large Language Models and Generative AI Design Retrieval-Augmented Generation...