24 contract infrastructure engineer jobs found in London

A leading company is hiring a AI Platform Engineer (MLOps/GenAI). Hybrid position - 6-month rolling contract, paying up to £1100 per day, Outside IR35 depending on experience. Experience and skills required for the AI Platform Engineer (MLOps/GenAI) Experience building, deploying, and maintaining machine learning and generative AI solutions (e.g., LLMs, embeddings, retrieval patterns, vector search, model fine‑tuning). Strong MLOps knowledge across continuous integration, deployment, monitoring, and evaluation of AI/ML models. Experience with AI infrastructure (orchestration pipelines, GPU compute, model hosting services) and scalable AI data structures (including vector databases/semantic search). Deep software engineering capability in .NET Core/C# and modern back-end engineering, with flexibility to work across languages such as Python, Go, or TypeScript. Strong understanding of distributed systems, microservices, cloud-native patterns, and modern data stores...

Senior JavaScript Engineer contract - Outside IR35 - £575 per day Leading Ecommerce client is now recruiting a talented Full Stack JavaScript Developer' who is proficient in front and Back End development. (React/Node.js), with an emphasis on Back End Node work initially. This role will be joining their platform team, designing, and building the foundations of which our clients innovative web and mobile applications run on. What will a day in the role entail? Working as an integral part of an agile team contributing towards the planning and development of systems/platforms. Collaborating with engineers, product owners and business analysts to define solutions, ways of working and share knowledge across the department. Reviewing code and providing support to members of your team. Working on client-facing applications in react/next.js Designing and building Node.js/GraphQL APIs. The ideal Senior JavaScript Engineer Senior level experience in modern...

Job title: Azure DevOps Engineer Client: Elite FinTech Firm Determination: Outside of IR35 Salary: Up to £600 P/D Location: London (Hybrid) Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, gold medal Olympiads, exceptional technologists, option to research and develop your own models, a friendly/collaborative environment, beautiful offices. An Elite Commodities Firm is looking for a highly talented Azure DevOps Engineer to join an elite group of individuals on a contract basis. This team have an unlimited tech budget, promote a great culture and are made up of fantastic like-minded individuals. Role: Building out DevOps engineering solutions high performance storage solutions for a mission-critical environment Being a pioneer of DevOps within the team Monitoring infrastructure performance and implementing IAC Skills: Strong knowledge of Azure DevOps and the general Azure stack Solid understanding of...

Hays are now looking for an Azure Engineer for one of our local clients: £428.40 Outside IR35 Remote (occasional meetings in London) 6 month+ contract Overview We're looking for a hands-on Azure Cloud Migration Engineer to support the migration of a business-critical application from on-premise infrastructure to Microsoft Azure. Working alongside the Lead Technical Architect, you'll build, migrate, test and support Azure infrastructure, ensuring a secure, resilient and operationally ready platform. Essential Skills Azure cloud migration experience Azure Infrastructure (compute, storage, landing zones) Azure Networking & Hybrid Connectivity Entra ID/Identity & Access Management Azure Security Backup, Recovery & Disaster Recovery Terraform, Bicep or Infrastructure as Code Azure DevOps/CI/CD Monitoring, Logging & Operational Support Experience in regulated or mission-critical environments Responsibilities Support discovery, technical...

Microsoft Defender Engineer Outside IR35 Contract | 6 months | Circa £750 per day | Hybrid We're supporting a leading organisation undertaking a major cloud security and resilience programme and are looking for an experienced Microsoft Defender & Azure Security Engineer to take ownership of their Microsoft security estate. This is a fantastic opportunity for a security specialist who thrives in Azure-native environments and wants to play a key role in strengthening enterprise security, enhancing threat detection capabilities, and embedding security best practices across cloud platforms and DevOps pipelines. The role centres on the Microsoft security ecosystem, including Defender, Sentinel, Azure Security, Identity Protection and automation. The Role You'll act as the technical SME for Microsoft's security stack, helping to design, implement and optimise security controls across a cloud-first Azure environment. Working closely with infrastructure, platform and...

Hays are now looking for an Azure Engineer for one of our local clients: £428.40 Outside IR35 Remote (occasional meetings in London) 6 month+ contract Overview We 're looking for a hands-on Azure Cloud Migration Engineer to support the migration of a business-critical application from on-premise infrastructure to Microsoft Azure. Working alongside the Lead Technical Architect, you 'll build, migrate, test and support Azure infrastructure, ensuring a secure, resilient and operationally ready platform. Essential Skills Azure cloud migration experience Azure Infrastructure (compute, storage, landing zones) Azure Networking & Hybrid Connectivity Entra ID / Identity & Access Management Azure Security Backup, Recovery & Disaster Recovery Terraform, Bicep or Infrastructure as Code Azure DevOps / CI/CD Monitoring, Logging & Operational Support Experience in regulated or mission-critical...

Senior Platform Engineer - Common Platform 6-Month Initial Contract | Outside IR35 | London I'm currently recruiting for a Senior Platform Engineer to join the Core Platform team of a leading UK media and entertainment organisation. The team is responsible for developing and evolving an internal Common Platform, providing the tooling, infrastructure and engineering patterns that enable software development teams across the organisation. This is a hands-on Platform Engineering role combining AWS, Kubernetes/EKS, Terraform, automation, CI/CD and internal developer tooling. You'll work as part of the Core Platform team, designing, developing and supporting the platform capabilities used by engineering teams across the organisation. Responsibilities include: Designing and developing reusable Infrastructure as Code modules using Terraform Building and operating production AWS EKS/Kubernetes environments Developing internal platform tools, frameworks and automation Using Python,...

Platform Engineer - Enterprise Platforms 6-Month Initial Contract | Outside IR35 | London I'm currently recruiting for a Platform Engineer to join the Enterprise Platforms/Core Engineering team of a leading UK media and entertainment organisation. The team is responsible for the development, operation and continuous improvement of the enterprise platforms used to host corporate applications across public cloud and hybrid environments. This is a broad Platform Engineering role covering AWS, Azure, GCP, Windows, Linux, infrastructure automation, Terraform, configuration management and enterprise platform operations. You'll help design, build, automate and operate the organisation's enterprise platform estate. Responsibilities include: Provisioning, scaling and optimising infrastructure across AWS, Azure and GCP Developing and maintaining infrastructure using Terraform, CloudFormation and ARM Building internal automation and platform tooling Developing automation using...

AI/ML Engineer (Contract) London Fully Remote Outside IR35 £400 - £500 Per Day 3 months long initially, may extended. The Company They are a well-established consumer goods business with a strong international presence and a growing investment in AI and advanced analytics. Data and technology are central to their strategy, with multiple initiatives focused on automation, personalisation, and operational efficiency. You will work within a collaborative environment where innovation is encouraged and modern machine learning technologies are actively adopted. The Role and Deliverables Build, deploy, and maintain machine learning models for a range of business use cases. Develop scalable AI solutions that support customer, marketing, supply chain, and commercial functions. Work closely with data scientists, data engineers, and business stakeholders to translate requirements into production-ready solutions. Implement MLOps best...

🚨 Senior Product Engineer | HealthTech | Outside IR35 | £550-600/day Few&Far are partnered with one of the most ambitious early-stage HealthTech businesses I’ve come across, and they’re adding another engineer to the team. This is additional headcount, taking the engineering team to 7. They only want the best of the best!! They’re building a category-leading consumer healthcare product designed to help people understand their health, prevent illness and ultimately live healthier for longer. The platform brings together: 🩺 Blood testing & health data 👨 ⚕️ Dedicated doctors, PTs, nutritionists & specialists 🤖 AI-driven health insights 💬 Messaging & care team access 🏋️ Workouts & nutrition tracking 🏥 NHS record integration 📱 Consumer-facing React Native applications What are they looking for? 🐍 Excellent Python engineering skills, Python is at the core of the stack 🚀 Zero-to-one experience, someone who has built new...

Senior Full Stack Engineer (Node/Typescript) Outside IR35 £425 -£460p/d Remote Start ASAP 6 months initial contract We are looking for a Senior Full Stack Engineer to join a large-scale digital programme within the public sector. This role would suit an experienced engineer who can work across application development and cloud infrastructure within a modern, microservices-based environment. You will contribute throughout the software delivery lifecycle, building reliable digital services using Node.js, TypeScript and AWS. You'll work collaboratively with technical teams and stakeholders, taking ownership across frontend, Back End and DevOps activities. Technical requirements: Typescript Node.js Springboot PostgreSQL Terraform AWS General requirements: Ability to operate effectively across frontend, Back End and infrastructure disciplines. Strong stakeholder communication and collaborative working skills. Previous delivery experience within...

Data Protection / Data Governance Engineer 3 Month Contract | Outside IR35 | £560- £640 per day London (1 day per week) A leading digital media and technology business is looking for a Data Protection / Data Governance Engineer to lead a critical governance transformation across a large-scale Google Cloud environment. This is a hands-on contract focused on moving data governance from policy into practice. The organisation already has governance frameworks in place but now requires an experienced contractor to establish ownership, implement technical controls, and ensure governance is embedded across its cloud and data platforms. You 'll work closely with Legal, the DPO, Platform Engineering and senior leadership to build a scalable governance capability that balances compliance with business agility. The Role Over a 12-week engagement, you will assess and improve a complex GCP estate, implement governance controls, and establish processes that...

DevOps Engineer - CGP A UK-based NfP in London requires a senior, hands-on DevOps Engineer to take operational ownership of its live Google Cloud Platform estate. GCP, Terraform, GitHub Actions. Three-month contract £500 per day, outside IR35. Remote working. Where a team meet up is required, expenses will be paid from travel. Responsibilities Maintain, troubleshoot and support production and non-production services on GCP. Manage infrastructure through Terraform. Maintain and improve CI/CD pipelines using GitHub Actions. Support application deployments, APIs and integrations across multiple environments. Respond quickly to infrastructure, deployment and service issues. Review monitoring, logging, alerting, access controls, backups and operational risks. Turn existing documentation into clear, usable runbooks. Pair with and upskill the wider technology team. Leave the estate stable, supportable and ready for a permanent DevOps hire. Essential...

M365/Azure Engineer Excellent rates Outside IR35 Hybrid working in London, UK M365/Azure Engineer - Outside IR35 - 6-month rolling contract M365 Engineer with extensive Azure experience required to join a leading brand in London. 6-month rolling contract, offering excellent rates outside IR35, and hybrid working in London. Key experience required: Hands-on experience working with M365 Proven experience working with Azure on the M365 platform Experienced improving security, managing identities and endpoints, and troubleshooting Ability to manage and support Entra ID, Exchange Online, Intune, Autopilot, Teams, SharePoint, and Microsoft Defender Ensure the M365 environment is secure, stable, and governed Experienced working with Infrastructure and Security teams

Senior Data Engineer (outside IR35 contract)   London | Fleixble, hybrid working pattern | Outside IR35 | 12 month engagement   We're looking for a Senior Data Engineer who understands that great data engineering is about building reliable, scalable data products, not simply moving data from A to B. This is an opportunity to shape modern data platforms, solve complex engineering challenges, and deliver data solutions that create genuine business value.   You'll join an organisation investing heavily in its data capabilities, working alongside architects, analysts, data scientists, and engineering teams to build robust, production-grade data platforms that support analytics, AI, and operational decision-making.   Why join   Work on large-scale data and cloud transformation initiatives Influence architecture, engineering standards, and platform strategy Deliver solutions that have measurable business impact...

PRINCIPAL SECURITY ENGINEER UP TO £900 Day Rate ( Outside IR35 ) - 6 Month Renewable ( 2 Year Projected Contract ) Hybrid Working  SECURE has Strategically Partnered with a leading consultancy to support a Global  FinTech Leader operating under strict Regulatory Frameworks They are  looking for an experienced  P rincipal Security Engineer  to provide Credible, Hands-On Technical Leadership to a Team of Engineers for the Design, Engineering, Implementation of their Network & Infrastructure  Security Capabilities  with Architecture, Automation, Operational Ownership & Stakeholder Engagement.  Their current Strategic Technologies include  Imperva WAF  & DDoS , ExtraHop NDR  & Illumio Micro - Segmentation . Experience across these technologies is highly desirable, although they'll value genuine Hands-On Depth & Successful Operational Ownership more...

Network Security Lead A Global Financial Services Organisation requires a Contract Network Security Lead with deep expertise across network security architecture, WAF, F5, Firewalls, network segmentation, VPNs and Legacy on-prem infrastructure. IR35 Status: Outside Day Rate: £700-£750pd Travel: 2 days a week in Central London Office Duration: Initial 6 months Responsibilities: Lead the refresh of the organisation's network security architecture and roadmap, providing senior technical direction across a complex, predominantly on-prem environment within a highly regulated banking environment. Provide deep network security expertise across WAF, network segmentation, Firewall architecture and rule sets, VPN connectivity and Legacy network infrastructure, acting as a senior consultant rather than a hands-on engineer. Drive the ongoing uplift of the F5 environment, with strong experience across F5 technologies essential; exposure to Palo Alto and Blue Coat is highly...

Senior Data Engineer London | Flexible, hybrid working pattern | Outside IR35 | 12-month engagement We're looking for a Senior Data Engineer to shape modern data platforms, solve complex engineering challenges, and deliver data solutions that create business value. You'll join an organisation investing heavily in its data capabilities, working alongside architects, analysts, data scientists, and engineering teams to build production-grade data platforms supporting analytics, AI, and operational decision-making. Why Join? Work on large-scale data and cloud transformation initiatives Influence architecture, engineering standards, and platform strategy Deliver solutions with measurable business impact Join a collaborative team of experienced data professionals Responsibilities Design, build, and maintain scalable data products and pipelines Own solutions from requirements gathering through to deployment and monitoring Develop cloud-native data platforms using...

Senior Full Stack Developer - C#/Azure/Kafka Internal Title: Software Engineering Senior Consultant Location: London, UK (Hybrid - typically 1-2 days per week in office/client site) Contract: 6-month rolling contract Rate: £600-650 per day, Outside IR35 Start: ASAP About Appvia Appvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering capability focuses on modern application development, cloud-native architecture, event-driven systems, and improving delivery outcomes through better engineering practices. We work across complex, high-impact environments in both the public and private sector, delivering solutions where quality, scalability, reliability, and security are critical. About the Role We’re looking for a Senior Full...

DevOps/Cloud Engineer (AWS) | Active SC Clearance Essential Day Rate: £600 per day (Outside IR35) Location: Hybrid, London (1 day per week onsite) Contract Length: Initial 6 months Start Date: Immediate/ASAP Security Clearance: Active SC Clearance required We are partnering with a leading government programme to recruit an experienced DevOps/Cloud Engineer to join a highly skilled cloud engineering function. This is an excellent opportunity to contribute to a large-scale digital transformation programme, helping to design, automate and support secure cloud environments that underpin critical public sector services. Working closely with architects, developers and security specialists, you will play a key role in building scalable cloud platforms, enhancing deployment capabilities and driving DevOps best practices across the organisation. Key Responsibilities Design, implement and maintain secure AWS cloud infrastructure. Develop and manage Infrastructure as...