38 infrastructure engineer jobs found in London, greater london

IT Infrastructure Specialist/Engineer – 6 Month Contract Location: London (2–3 days per week onsite) Rate: £400–£475pd Outside IR35 We are looking for an experienced IT Infrastructure Specialist to support a business-critical infrastructure estate, providing hands-on technical support across Windows, VMware, networking and hybrid environments. This is a 6-month contract role for someone comfortable working onsite in London 2–3 days per week. Key Responsibilities: Provide 2nd/3rd line technical support across IT infrastructure services Manage and maintain Windows infrastructure including Active Directory, DNS and DHCP Support VMware vSphere/ESXi environments Troubleshoot and resolve infrastructure incidents and problems Support infrastructure changes, maintenance activities and upgrades Assist with security remediation, vulnerability fixes and patching activity Work across networking technologies including switching, firewalls and wireless...

My client is seeking an experienced Contract Site Reliability Engineer Team Lead to join their team. This is a hands-on leadership role requiring a strong technical background alongside the ability to lead, mentor, and develop a high-performing SRE function. There will be occasional travel to the client's offices in Central London. This role is paying £475 Per day and is Outside IR35. Responsibilities Provide technical leadership for the Site Reliability Engineering function, driving reliability, scalability, and performance improvements across critical production systems. Lead, mentor, and coach a team of SREs and engineers, fostering a culture of operational excellence, collaboration, and continuous improvement. Remain hands-on with the design, implementation, and support of cloud infrastructure, automation, observability, and platform reliability initiatives. Define, implement, and govern SLOs, SLIs, and error budgets, ensuring alignment between engineering...

Outside IR35,UK Wide Flexiablity, DevOps, Azure, React, .Net, Terraform, Azure, My leading client is leading client seeking an experienced DevOps Engineer to join on an Outside IR35 contract. This is a hands-on role focused on building and operating cloud-native platforms on Microsoft Azure, with a strong emphasis on Terraform, Kubernetes (AKS), and Azure DevOps. You'll work closely with engineering teams to enable modern application delivery, particularly across C#/.NET, React, and PostgreSQL-based solutions. Key Responsibilities: Design and build Azure infrastructure using Terraform (Infrastructure as Code); deploy and manage workloads on Azure Kubernetes Service (AKS); lead containerisation initiatives using Docker, Kubernetes, and Helm; build and optimise CI/CD pipelines in Azure DevOps; manage container lifecycle using Azure Container Registry (ACR); support workloads across AKS, ACI, and Azure App Services; implement secure, scalable environments using Azure...

Senior Mobile QA Engineer (iOS & Android) £400 - £425 per day | Outside IR35 | Initial 6-Month Contract | Hybrid (Stratford, London) | Immediate Start Available Our trusted partner within the Ed-Tech sector, employing over 10,000 people across 100 countries and supporting more than 600 million users globally, is seeking an experienced Senior Mobile QA Engineer to join a high-profile product engineering team developing innovative mobile learning applications. This role is ideal for a QA professional with extensive experience testing native and cross-platform mobile applications across iOS and Android environments, coupled with a strong background in test automation and modern Agile delivery practices. Key Responsibilities Lead quality assurance activities across mobile applications, ensuring exceptional user experience on both iOS and Android platforms. Develop and execute comprehensive test strategies, test plans and test cases. Design, implement and...

We are seeking a highly capable Site Reliability Engineer / DevOps Engineer to join our client (financial services) on a remote contract basis, beginning with a 6 month term, with extensions planned. This role will be operation outside of IR35, and will be fully remote working. Responsibilities: Design, build, and maintain robust migration pipelines to support application and infrastructure transformation initiatives Automate deployment, release, and operational processes to improve efficiency and reduce manual intervention Provide hands-on support for application and infrastructure migration activities, ensuring minimal disruption and strong performance Enhance platform reliability, scalability, and performance through proactive monitoring and continuous improvement Develop and maintain runbooks, operational procedures, and documentation to support incident response and platform operations Collaborate with engineering teams to embed DevOps and SRE best practices...

🚀 Senior Platform Engineer – Outside IR35 🚀 📍 London (3 days onsite) 📅 Start: July 💰 Depending on experience ⏳ 6 Months Initial I'm working with a leading engineering consultancy who are building a cohort of senior engineers to support a large-scale enterprise software programme. We're particularly interested in platform-focused engineers with deep cloud and Kubernetes expertise. The Role Design, deploy and operate cloud-native platforms Support engineering teams with scalable infrastructure and developer tooling Build secure, highly available environments across AWS, Azure and GCP Contribute to platform automation, observability and infrastructure-as-code initiatives Experience Required Kubernetes (EKS, AKS or GKE) Terraform and Infrastructure as Code AWS, Azure and/or GCP CI/CD, GitOps and platform automation Security, governance and cloud best practices Experience supporting enterprise SaaS platforms A plus if you have...

We are seeking a highly capable Site Reliability Engineer/DevOps Engineer to join our client (financial services) on a remote contract basis, beginning with a 6 month term, with extensions planned. This role will be operation outside of IR35, and will be fully remote working. Responsibilities: Design, build, and maintain robust migration pipelines to support application and infrastructure transformation initiatives Automate deployment, release, and operational processes to improve efficiency and reduce manual intervention Provide hands-on support for application and infrastructure migration activities, ensuring minimal disruption and strong performance Enhance platform reliability, scalability, and performance through proactive monitoring and continuous improvement Develop and maintain runbooks, operational procedures, and documentation to support incident response and platform operations Collaborate with engineering teams to embed DevOps and SRE best practices across...

SCADA and OT Systems Engineer London £50-55 an hour Outside IR35 Essential Skillset: Experienced in SCADA, OT controls and utility-scale infrastructure projects including BESS, substations and renewable energy systems. Strong knowledge of PLCs, RTUs, industrial networking and communication protocols including Modbus, DNP3 and IEC 61850 click apply for full job details

AI Engineer | Contract | Outside IR35 | Hybrid We're working with a HealthTech start-up that's using AI to tackle some of the biggest challenges facing healthcare today. They've already built a product that's gaining real traction across the healthcare sector, and now they're looking for an experienced AI Engineer to help scale their AI capabilities and take cutting-edge solutions from proof of concept into production. You'll be joining a small, high-performing engineering team where you'll have genuine influence over the AI roadmap, architecture, and product direction. Key responsibilities Building and deploying production-grade AI applications Developing LLM-powered products, AI agents and RAG pipelines Designing scalable AI infrastructure and model-serving solutions Evaluating and optimising model performance Driving best practice across AI engineering, MLOps and deployment Helping shape the future of AI within a rapidly growing business Essential A strong...

Outside IR35, UK Wide Flexiablity, DevOps, Azure, React, .Net, Terraform, Azure, My leading client is leading client seeking an experienced DevOps Engineer to join on an Outside IR35 contract. This is a hands-on role focused on building and operating cloud-native platforms on Microsoft Azure, with a strong emphasis on Terraform, Kubernetes (AKS), and Azure DevOps. You'll work closely with engineering teams to enable modern application delivery, particularly across C#/.NET, React, and PostgreSQL-based solutions. Key Responsibilities: Design and build Azure infrastructure using Terraform (Infrastructure as Code); deploy and manage workloads on Azure Kubernetes Service (AKS); lead containerisation initiatives using Docker, Kubernetes, and Helm; build and optimise CI/CD pipelines in Azure DevOps; manage container life cycle using Azure Container Registry (ACR); support workloads across AKS, ACI, and Azure App Services; implement secure, scalable environments using Azure Policy,...

Cloud Security Engineer (GCP / IAM / Encryption) - Contract Rate: £600 day Outside IR35 Location: London - hybrid (3 days onsite) - Non negotable Duration: 12 month Clearance: Active SC, willingness for DV Overview Join a high-impact programme delivering secure, large-scale cloud infrastructure within a UK government environment. You'll help design and secure a private/distributed cloud platform supporting critical national services. Key Responsibilities Design & implement secure workloads in Google Distributed Cloud (GDC) / GCP (GDC experience not necessarily needed but would be strongly desired) Build and manage IAM architectures (SSO, MFA, privileged access lifecycle) Enforce least privilege via resource hierarchies, policies, and constraints Configure network security controls (firewalls, WAF, service perimeters) Deliver data protection & encryption (KMS, CMEK/EKM, sensitive data handling) Secure CI/CD pipelines with vulnerability scanning and...

Cloud Security Engineer (GCP/IAM/Encryption) - Contract Rate: £600 day Outside IR35 Location: London - hybrid (3 days onsite) - Non negotable Duration: 12 month Clearance: Active SC, willingness for DV Overview Join a high-impact programme delivering secure, large-scale cloud infrastructure within a UK government environment. You'll help design and secure a private/distributed cloud platform supporting critical national services. Key Responsibilities Design & implement secure workloads in Google Distributed Cloud (GDC)/GCP (GDC experience not necessarily needed but would be strongly desired) Build and manage IAM architectures (SSO, MFA, privileged access life cycle) Enforce least privilege via resource hierarchies, policies, and constraints Configure network security controls (Firewalls, WAF, service perimeters) Deliver data protection & encryption (KMS, CMEK/EKM, sensitive data handling) Secure CI/CD pipelines with vulnerability scanning and policy...

🚀 AI Engineer (Contract) | Outside IR35 | Up to £600/day OB are currently partnered with a high-growth tech company that's investing heavily in AI and automation across the business. They're looking for an AI Engineer to join a small, high-impact team responsible for building AI-powered tools, LLM integrations, intelligent workflows and internal platforms that are transforming how teams operate day-to-day. You'll be working with technologies including Python, TypeScript, LLMs, Kubernetes, APIs, workflow automation tools and modern AI infrastructure, with the autonomy to take ideas from concept through to production. 💡 Looking for: • Strong Python and/or TypeScript experience • Commercial experience building AI applications • Experience with LLMs, embeddings and AI tooling • API integration experience • Kubernetes / cloud-native environments 📍 Shoreditch (2-3 days per week) 💰 Up to £600/day 📝 Outside IR35 If you're interested in building AI...

Endpoint Engineer contract 12 months. The position can be based inside or Outside of IR35, depending on the candidate's setup. A leading Trading firm is hiring a contract Endpoint Engineer. This role is responsible for engineering, support, and lifecycle management of endpoint hardware, operating systems, applications, and associated management platforms. This includes solving critical business incidents, improving the end-user experience, and partnering closely with Traders, Service Desk personnel, and other infrastructure teams. A strong customer focus, an 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, and software lifecycle management....

🚀 AI Engineer | Contract | Up to £600/day Outside IR35 I'm working with a high-growth technology company that's putting AI at the centre of how the business operates. They're looking for an AI Engineer to build intelligent systems, AI agents, integrations and automated workflows that will be used by teams across the entire organisation from day one. You'll be working with the latest LLMs, agentic AI, workflow orchestration and modern AI infrastructure, with the freedom to take ideas from concept to production in a fast-moving, highly autonomous environment. Python and TypeScript required. 📍 Shoreditch (2-3 days per week) 💰 Up to £600/day 📝 Outside IR35

Senior Software Engineer - Outside IR35 - Contract (Insurance) About the role Essential: Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with) Frontend: React + TypeScript + Vite Material UI with Emotion for styling TanStack React Query 5 for server state React Router 7 React Hook Form+Yup for forms/validation MSAL for Entra ID auth Jest+Testing Library for unit tests; Playwrightfor E2E and visual tests Hosted as an Azure Static...

Leading eCommerce client now requires a DevOps Engineer to design and deploy infrastructure which will support the development of features across their cloud estate. Key Responsibilities: Support the wider development teams with designing and deploying infrastructure for new feature development. Performing code reviews with other DevOps engineers. Support and maintain development tooling and systems. Work on large security and infrastructure projects. Key Requirements: Strong experience designing, deploying and operating production workloads on AWS. Previous experience running both Docker and Kubernetes (EKS) in production. Infrastructure as code (Terraform). Strong experience with a coding language such as Python, Bash and PowerShell. Strong understanding of the full software development lifecycle. Experience working in autonomous agile team. Awareness of security best practices in both software and infrastructure development. This is a...

Senior Data & ML Engineer Contract - Outside IR35 - Initial 6 month contract £650-£750 per day London - Hybrid working We are partnering with a rapidly growing financial services business that is investing heavily in its machine learning and data platform capabilities. This is a hands-on engineering role focused on helping Data Science teams build, deploy, and scale machine learning solutions in production. The work sits at the intersection of data engineering, machine learning engineering, and MLOps, with a strong focus on production systems, feature engineering, workflow orchestration, and model lifecycle management. What you'll be doing Design and build scalable data and feature engineering pipelines to support machine learning workloads Work closely with Data Scientists to operationalise models and improve the end-to-end machine learning lifecycle Develop and optimise PySpark-based data processing workflows and training pipelines Build and...

My client is seeking an experienced Contract Site Reliability Engineer Team Lead to join their team. This is a hands-on leadership role requiring a strong technical background alongside the ability to lead, mentor, and develop a high-performing SRE function. There will be occasional travel to the client's offices in Central London. Responsibilities of the Site Reliability Team Lead Provide technical leadership for the Site Reliability Engineering function, driving reliability, scalability, and performance improvements across critical production systems. Lead, mentor, and coach a team of SREs and engineers, fostering a culture of operational excellence, collaboration, and continuous improvement. Remain hands-on with the design, implementation, and support of cloud infrastructure, automation, observability, and platform reliability initiatives. Define, implement, and govern SLOs, SLIs, and error budgets, ensuring alignment between engineering priorities and business...

Rate: £600/day Outside IR35 Contract Length: 12 Months Work Model: Hybrid, 2 days in Central London DevOps Engineer will: * Be part of a software development team working to improve the reliability, observability, consistency, developer experience and security posture of the Guardian's technical estate through: * building the Guardian's next generation Developer Experience platform * OR enabling teams to adopt modern tooling provided by the new platform * Define and develop new infrastructure patterns using modern best practices that improve consistency between environments and simplify the process of setting up and running applications. * Improve reliability and efficiency by reviewing existing observability features and implementing alternatives or additional improvements where necessary. * Reduce the team's ongoing maintenance burden by adopting third-party replacements for bespoke tooling where appropriate * Define migration strategy and work with teams to...