52 infrastructure engineer jobs found in London

IT Infrastructure Engineer - Hybrid Cloud Location: Abingdon (Hybrid: 3 days on-site, 2 remote) Start: ASAP IR35: Outside Clearance: SC Our client is looking for an IT Infrastructure Engineer to join their Computing Division. You will deliver secure, resilient and high-performing hybrid cloud solutions while working with architects, engineers and project teams. Key Responsibilities: Design, implement and maintain IT infrastructure including Windows Server, Hyper-V, Active Directory and networking. Develop hybrid solutions integrating on-premises systems with Microsoft Azure. Use infrastructure-as-code tools such as PowerShell and Terraform and automation tools such as Ansible. Monitor and optimise system performance, availability and resilience and manage backups and disaster recovery. Implement security controls and ensure compliance with standards such as NIST, ISO 27001 and CAF. Produce documentation, runbooks and training materials and provide guidance to...

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 *...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (2 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

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...

Data Engineer/Analyst - PowerBI Active SC Required Outside IR35 Hybrid: Travel once every week/2 week into London We are supporting a large-scale data and reporting initiative within a complex public-sector environment. The programme is focused on improving automated reporting, data transparency, and decision-making through the enhancement of Back End data processes that feed a critical Power BI dashboard. Role Overview The Data Engineer/Analyst will take ownership of the processes that support automated dashboarding. The role will focus on ensuring data is accurately sourced, transformed, governed, and delivered in a timely and repeatable way. The role will also focus on identifying opportunities to improve data maturity, extend dashboard capability, and strengthen governance and data foundations. Key Responsibilities Data Engineering & Automation Assess and enhance existing data infrastructure to support automated data flows into reporting platforms. Design,...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (2 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

Azure Security Engineer – UK (Hybrid) 3 month initial contract outside IR35 Focus: Vulnerability Remediation, Defender Suite, Purview Compliance We are hiring an Azure Security Engineer to strengthen our Microsoft security posture with a hands-on focus on improving Defender for Cloud findings, remediating vulnerabilities across Azure and endpoint estates, and uplift of compliance and data protection controls. This is a role for someone who enjoys fixing things , not just recommending. You’ll be embedded with engineering and infrastructure teams, working through remediation tasks, tightening configuration, and improving real-world risk reduction week by week. Core Responsibilities Microsoft Defender Suite (Primary Requirement) Monitor and remediate vulnerabilities surfaced by Defender for Cloud Manage and optimise Defender for Endpoint, attack surface reduction and device hardening Operate and tune External Attack Surface Management (EASM) findings and...

Contract: Cloud Desktop Engineer Start Date: ASAP Duration: 12 months Location: London - 50% onsite, 50% remote Rate: £500 - £550 per day outside of IR35 Reference: 20355 The Cloud Desktop Engineer will play a critical role in the design, implementation, and support of cloud-based desktop solutions. This role will support the global transition from legacy VDI infrastructure to modern cloud desktop environments. The engineer will collaborate with cross-functional teams across regions to ensure seamless deployment, performance optimization, and user experience improvements. Key Responsibilities: Design and implement cloud desktop solutions aligned with enterprise architecture and security standards. Collaborate with global teams to support the migration of users from on-prem VDI to cloud desktops. Monitor and optimize performance, availability, and scalability of cloud desktop environments. Troubleshoot and resolve technical issues related to virtual...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (3 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

AI Engineer (Contract) – £500/day Outside IR35 📍 Canary Wharf, London (3 days onsite) 🇬🇧 UK-based applicants only We’re looking for experienced AI Engineers who think holistically, automate relentlessly, and know how to turn modern AI capabilities into production-grade, high-impact applications . Our AI organisation is building real-world AI products that deliver business value at speed. This role is ideal for seasoned engineers who combine strong software engineering fundamentals with a pragmatic, hands-on approach to AI tooling and infrastructure. What you’ll be doing Designing, building, and maintaining production-grade AI applications using modern engineering practices (CI/CD, testing, observability, cloud-native design). Developing reusable AI platforms and tools (e.g. conversational bots, AI-powered search, unstructured data processing, GenAI solutions). Working in cross-functional, embedded teams with business stakeholders to rapidly deliver...

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...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (3 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

Cloud Desktop Engineer | £475 - £575 p/day | Contract (Outside IR35) | 12 Months | Hybrid (London) Our client are looking for a skilled Cloud Desktop Engineer to design and implement cloud-based desktop environments. In this role, you will help the transition from traditional on-premises VDI solutions to scalable CDI platforms, ensuring high performance, security, and reliability. This role is a contract (Outside IR35) which is based in London, on a hybrid basis, and is initially running for 12 months. Key Responsibilities: Design and implement cloud-based desktop solutions using Microsoft Azure. Support the migration of on-prem VDI environments to cloud desktop infrastructure. Monitor and optimize the performance, availability, and scalability of cloud desktop platforms. Troubleshoot and resolve issues related to virtual desktops and infrastructure performance. Automate deployment and operational tasks using PowerShell Scripting. What We Are Looking For:...

Platform Engineer | Trading Firm Central London | 3 days on site Outside IR35 | Up to £650 per day A trading firm in central London has rolled out a business wide data platform and now needs a senior Platform Engineer to take full control of the platform layer. Kubernetes is the heart of this environment and they need someone who can run it with confidence, precision and zero drama. What they need you to bring Serious Kubernetes depth covering cluster design, workload orchestration, autoscaling strategies, multi cluster operations, network policy, resource tuning and deep debugging across pods, nodes and the control plane Deep Linux fluency with the ability to harden, tune and own production environments from top to bottom Strong SQL engineering skills covering schema design, performance tuning and high throughput optimisation Solid C# background with clean, maintainable service patterns Ability to design, build and refine CI/CD...

Contract: Cloud Desktop Engineer Start Date: ASAP Duration: 12 months Location: London - 50% onsite, 50% remote Rate: £500 - £550 per day outside of IR35 Reference: 20355 The Cloud Desktop Engineer will play a critical role in the design, implementation, and support of cloud-based desktop solutions. This role will support the global transition from Legacy VDI infrastructure to modern cloud desktop environments. The engineer will collaborate with cross-functional teams across regions to ensure seamless deployment, performance optimization, and user experience improvements. Key Responsibilities: Design and implement cloud desktop solutions aligned with enterprise architecture and security standards. Collaborate with global teams to support the migration of users from on-prem VDI to cloud desktops. Monitor and optimize performance, availability, and scalability of cloud desktop environments. Troubleshoot and resolve technical issues related to virtual desktop...

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....