1 to 25 of 26 Infrastructure Engineer Jobs in the City of London

Senior Infrastructure Engineer Permanent | Hybrid Bestman Solutions is supporting a high-impact, mission-driven organisation in their search for a Senior Infrastructure Engineer to join a small, collaborative technology team. This is an excellent opportunity to take on a wide-ranging infrastructure role where security, reliability, and scalability are front and centre — supporting work that … protects vital sectors across the UK and beyond. You'll play a key role in designing, maintaining, and evolving core infrastructure across cloud, on-prem, and virtual environments. From project delivery to hands-on support, your work will directly impact the performance and resilience of a highly secure operation. Key Responsibilities Design, implement, and support server, network, cloud, and … storage infrastructure Lead end-to-end infrastructure projects, from planning through to deployment Manage and monitor systems for availability, performance, and security Administer and troubleshoot across Windows Server, Linux, VMware, Azure, and Microsoft 365 Contribute to backup, disaster recovery, and vulnerability management processes Support across 1st, 2nd, and 3rd line tiers — including participation in an on-call rota More ❯

We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a vital role in implementing and managing WAN solutions and network migration tasks across both physical and cloud … connectivity WAN acceleration and optimization techniques. IP and Subnetting: Deep knowledge of TCP/IP networking, including subnetting, addressing schemes, and routing protocols. Cloud Automation (Terraform): Develop and manage Infrastructure-as-Code (IaC) solutions using Terraform for cloud infrastructure deployments, scaling, and management. Network Services Management: Oversee the deployment and support of network services, including but not limited … to DHCP, DNS, IPAM, and IP-based network configurations. Virtual Server Technologies: Experience managing virtual server environments, supporting infrastructure related to virtualization platforms such as VMware, Hyper-V, or equivalent. Storage Technologies: Administer and manage Storage Area Network (SAN) and Network-Attached Storage (NAS) technologies. Collaboration: Work closely with cross-functional teams to ensure seamless network infrastructure deployment More ❯

Senior Infrastructure Engineer – Quantitative Hedge Fund up to £120,000 + bonus Full-Time, Office-Based – City of London Quant Capital is urgently looking for a Senior Infrastructure Engineer. We are partnering on this search with our client, a long-established and successful quantitative hedge fund based in the heart of London. With a highly technical and … automation-focused environment, this is a unique opportunity to join a small team where your impact will be significant in shaping the future of the infrastructure environment. This role is ideal for infrastructure engineers who enjoy ownership, want to shape an evolving IT landscape, and thrive in a hands-on, fast-paced trading environment. You’ll work directly … leadership and technical peers in a collaborative, no-silos culture where your ideas and contributions will be taken seriously. The role will involve: • Supporting and enhancing the firm’s infrastructure across on-prem, hybrid, and cloud environments • Managing and maintaining core services including Active Directory, networking, and storage • Supporting trading floor systems in a low-latency, high-availability environment More ❯

including pension contribution, healthcare, life assurance and 25 days annual leave. What You'll Do The department is responsible for the design, development and operation of all technology-related infrastructure to support the business, including on-premises and cloud environments. They operate a fully virtualised infrastructure using VMware and Microsoft Azure to host a mix of Microsoft Windows … Storage, Cisco networking, and a resilient 10Gbps WAN connecting our datacenter locations and cloud providers. This new hire will expand their current team and accelerate progress on redesigning their infrastructure to improve their use of public cloud. This role has two core elements: Undertake project work to improve and evolve the technology infrastructure. Projects will typically include designing and … deploying upgrades or design changes to major infrastructure components, or introducing new systems into the business. The candidate will be expected to work on projects as required and lead smaller initiatives wherever possible. To support, maintain and operate the firm’s critical technology infrastructure, including being involved in our on-call rotas. The candidate will work closely with More ❯

Senior Infrastructure Engineer – Quantitative Hedge Fund £650 per day Contract – Outside of IR35 Full-Time, Office-Based – City of London Quant Capital is urgently looking for a Senior Infrastructure Engineer. We are partnering on this search with our client, a long-established and successful quantitative hedge fund based in the heart of London. With a highly technical … and automation-focused environment, this is a unique opportunity to join a small team where your impact will be significant in shaping the future of the infrastructure environment. This role is ideal for infrastructure engineers who enjoy ownership, want to shape an evolving IT landscape, and thrive in a hands-on, fast-paced trading environment. You’ll work … IT support to a small team (~20 users), including traders and quants • Driving automation through PowerShell scripting and other tools • Managing the firm’s Azure environment and contributing to infrastructure-as-code projects using Terraform • Supporting Windows desktop and server environments in a highly available setting • Liaising with external vendors and service providers • Playing a key role in incident More ❯

Network Infrastructure Engineer Location : Central London Hybrid : 2 days per week on-site Salary : Up to £75,000 We are seeking a Network Infrastructure Engineer to join our client. This role focuses on Meraki Enterprise, Palo Alto Firewalls, and a mix of physical and cloud environments across multiple sites. You will drive innovation, enhance network security … and automate processes, all while contributing to professional growth and organisational transformation. Key Responsibilities: Design, implement, and maintain network infrastructure across multiple locations and cloud platforms (Azure) Manage Meraki Networks, Palo Alto Firewalls Implement network security measures, including ACLs, DDoS protection, and firewalls Automate network tasks for increased efficiency Troubleshoot and resolve network issues, driving incident resolution Collaborate with … capacity planning Provide network expertise for internal and external projects Skills & Experience: Experience with Meraki, Palo Alto Firewalls, and cloud platforms (Azure, AWS, GCP) Strong skills in Azure, and Infrastructure as Code (IaC) tools like Terraform Expertise in TCP/IP, subnetting, and modern network technologies Experience configuring and supporting WAN technologies including BGP, OSPF, VPNs and IPSEC Automation More ❯

embrace a culture of inclusion, where every team member is valued, respected, and empowered to contribute their unique skills and talents. The Impact You'll Make As our Lead Infrastructure Engineer, you'll play a vital role in ensuring the robustness, security, and scalability of our IT infrastructure. Your work will empower teams across our education brands to … not only drive continuous technical improvement-you'll also help others succeed and grow. Why Join Us? Architect for the Future: Lead the design and implementation of secure, scalable infrastructure solutions across cloud and on-premise environments Drive Strategy: Collaborate closely with senior IT leaders to shape infrastructure roadmaps and influence technological direction Make Technology Work: Ensure our … networks, servers, and platforms (e.g., Microsoft Azure, Entra, 365, Cisco Meraki) are reliable, secure, and high performing Lead and Inspire: Manage and mentor our Infrastructure Engineer, setting clear goals and encouraging professional development Deliver Change: Own key infrastructure projects, such as cloud migrations, integration projects and systems upgrades, from planning to execution Promote Best Practice: Ensure compliance More ❯

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering teams, and has built and maintained robust trading systems and … across cloud-native architectures. Location: Remote | Dubai | London Key Responsibilities: Lead architecture, design, and development of scalable trading platforms and internal developer tools. Collaborate with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and … Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work in a fintech, hedge fund, or proprietary trading firm environment. Crypto-native a plus Infrastructure & DevOps: Production experience with Kubernetes and cloud-native deployment strategies. Hands-on with AWS, GCP, and Azure for compute, networking, and storage configurations. Familiarity with monitoring/logging tools More ❯

How insurance is underwritten here hasn't changed in 300 years – until now. At Ki, we are genuinely solving problems that haven’t been solved with technology in the insurance space. We are building the first fully digital and data More ❯

global impact, and ready to excel in a dynamic, high-energy environment. Join our team and help shape the future of AI. 🌎 Location and Legalities This full-time Cloud Infrastructure Engineer position is based onsite in our brand-new Ultralytics office in London, UK. Applicants must have legal authorization to work in the UK, as Ultralytics does not … provide visa sponsorship. 🚀 What You'll Do As a Cloud Infrastructure Engineer at Ultralytics, you will design, build, and maintain the scalable and robust cloud infrastructure that powers our entire suite of AI services, including the Ultralytics HUB. You'll be at the core of our operations, ensuring our systems can handle the demands of training cutting … edge AI models and serving millions of inference requests globally. Key responsibilities include: Architecting and managing our cloud environment on Google Cloud Platform (GCP) using Infrastructure as Code (IaC) with Terraform . Designing, building, and maintaining our CI/CD pipelines using GitHub Actions to ensure smooth and reliable software delivery. Containerizing applications with Docker and deploying them as More ❯

Infrastructure Engineer x2 with live DV Clearance required for at least a 12-month contract , inside of IR35. This project requires an Infrastructure Engineer with Cisco CCNA and experience of the Microsoft/Windows environment. This is a large, ongoing programme of work for a UK security institution and you’d be required to be on … site 4 days per week. As such, we are looking for two proven Infrastructure Engineers with live DV clearance and the following experience: Cisco CCNA Microsoft Windows (Server + OS) environments, and AD Fortinet experience would be a bonus Live DV clearance is a hard requirement Happy being on site in London at least 4 days per week (with … day remote) Please note, due to the highly sensitive nature of the project we cannot accept any Infrastructure Engineer candidates who don’t have live DV Clearance! To apply for this Infrastructure Engineer contract please send your CV to Rob Goffin at IT Recruitment Solutions now. Infrastructure Engineer, CCNA, Windows, DV Cleared, Security Cleared More ❯

Cloud Infrastructure Engineer (Azure) – 1–3 Years Experience Location: 1/2 days onsite in London Salary: Up to £55k + Benefits I am looking for a motivated and technically sharp Cloud Infrastructure Engineer with 1–3 years of commercial experience to join our growing team. If you're passionate about Azure, automation, and modern DevOps … practices, this could be the perfect role for you. What You’ll Be Doing: Designing, building, and maintaining scalable and secure cloud infrastructure on Microsoft Azure Automating infrastructure tasks using PowerShell Collaborating with cross-functional teams to deliver cloud solutions that meet client needs Participating in client engagements (if in a consultancy setting), offering technical insight and support … Must-Have Skills: 1–3 years of hands-on experience in a cloud infrastructure or systems engineering role Strong experience with Microsoft Azure Proficiency in PowerShell scripting and automation 2:1 or above in Computer Science or relevant field Nice-to-Haves: Experience working in a consultancy or client-facing environment Familiarity with infrastructure as code (IaC) and More ❯

Infrastructure Engineer – Central London £50,000 - £60,000 pa + Benefits Hybrid: 3 days in the office per week with 2 days from home. 12 month FTC JNC are working with a leading law firm in Central London that are looking to bring on a Infrastructure Engineer to support its internal users remotely and face to More ❯

Windows Engineer - Hedge Fund - up to £80,000 + Bonus Take the next step in your buy-side technology career, with plenty of automation, security and learning to be done. You don't need to be the finished article. If you're keen to learn and have a hunger and desire to get stuck into new, complex problems - this More ❯

Software Engineer – Infrastructure/Observability Focus (Inside IR35, up to £750/day) Are you a software engineer who enjoys solving infrastructure problems - someone who sits comfortably between development and platform engineering? Join a small, high-performing engineering team on a project at a top-tier quant fund, helping to build out observability capabilities. This is … not an SRE or sysadmin role – it would suit a software engineer who cares about clean, testable code and good software practices, but prefers working in the infra/tooling space. What you’ll be doing: Writing Prometheus exporters and integrations for infrastructure systems Building out dashboards and monitoring pipelines in Grafana and Prometheus Developing infrastructure-as … software engineering skills (Go or Python preferred) Experience working in or alongside platform engineering teams Familiarity with modern observability tools (Grafana, Prometheus, etc.) Comfort working across both code and infrastructure – but this is not a pure ops/SRE role If you've worked in finance that would be great but not mandatory The role offers an initial More ❯

Linux Infrastructure Engineer (UKIC DV Clearance) Remote £75,000 - £90,000 + Training + Progression + Company Benefits Are you a Linux Infrastructure Engineer with developed vetting looking to join on of the worlds most renowned multinational technology businesses where you will be working on some of the world's most TOP SECRET software and defence … organisation where you are in control of how quickly you progress with access to constant personal and professional development opportunities? On offer is the exciting opportunity for a Linux Infrastructure Engineer who currently has developed vetting to join one of the world's most well known, multinational, technology business who have consistently been in the spot light regarding … be playing a critical role within this global tech giant as well as a vital role within the UK and Global Defence industry. In this role, the successful Linux Infrastructure Engineer will be responsible for both continuous improvement and continuous deployment across many different projects and teams. The ideal Linux Infrastructure Engineer would have developed vetting More ❯

at global scale. Their platforms help partners solve real-world problems—from forecasting supply chain disruptions to accelerating medical breakthroughs. The Role A team focused on mission-critical production infrastructure—spanning hundreds of Kubernetes clusters across on-premise environments, from large data centers to edge devices—is seeking a Senior Infrastructure Engineer with deep expertise in Ceph … . This individual will enhance the scale, reliability, and performance of ruggedized Kubernetes offerings operating under complex and novel constraints.Kubernetes offerings operati Ideal candidates are passionate about infrastructure at scale, adept in Ceph, and eager to contribute to the broader open-source ecosystem. Key Responsibilities Manage Ceph at Scale : Design, deploy, and maintain Ceph storage solutions across a variety … Ceph and CNCF ecosystems, and contribute upstream to relevant open-source projects. Community Engagement : Actively participate in the Ceph developer and CNCF communities through collaboration, contribution, and knowledge sharing. Infrastructure Evolution : Partner with peers to architect and build scalable, secure, and resilient infrastructure for next-generation deployments. Preferred Qualifications Ceph & Rook Mastery : Proven experience managing Ceph clusters in More ❯

Infrastructure Software Engineer – LLM Evaluations 📍 London · 🕐 Full-time · 🏢 On-site We're looking for an experienced Infrastructure Software Engineer to help build and maintain the systems that support cutting-edge evaluations of large language models (LLMs). You’ll lead decisions on infrastructure design, scale our evaluation tools, and work closely with researchers to support … future needs. Responsibilities: Build and manage scalable infrastructure for LLM evaluations (IaC, AWS, Kubernetes) Develop internal tools for orchestration, access, storage, and debugging Lead on cloud security and infrastructure best practices Collaborate across engineering and research to support experimental deployments You should have: Strong engineering skills (preferably in Python) Hands-on experience with AWS, Kubernetes, and Terraform A More ❯

Python Infrastructure Engineer | Remote Contract - (Inside IR35) £250-300 p/d Exciting new project for a multinational consultancy for the Public Sector. Candidates must SC Cleared or Eligible. Duration: 3 Months + Extensions Type: Remote Rate: £250-300 p/d (Inside IR35) Responsibilities • Understand/maintenance of Python Code • Create Terraform scripts for the infrastructure provisioning • Set up infrastructure security • Implementation of IAM policy and permissions for applications and GitHub • Changes of environment variables for applications and Airflow DAGS If you are interested please hit apply with your updated CV and we will arrange a call to further your application. More ❯

Kubernetes Lead Engineer – HPC Infrastructure Contract | London | Hedge Fund I'm currently partnering with a leading hedge fund based in London to find a Kubernetes Lead Engineer with strong experience in High-Performance Computing (HPC) Infrastructure . Role Overview As the Kubernetes Team Lead , you will be responsible for designing, building, and managing a robust container … engineers, define best practices, and ensure observability, scalability, and performance across the platform. Key Responsibilities Lead the design and operation of Kubernetes platforms (on-prem & cloud-native) Manage HPC infrastructure to support trading workloads and scientific compute Guide a team of engineers across distributed environments Define and enforce best practices for infrastructure scalability, performance, and monitoring Implement observability … tooling and ensure high platform availability Collaborate with other engineering teams to drive automation and operational efficiency Requirements 8+ years in infrastructure/platform engineering roles Deep expertise in Kubernetes (both on-premises and cloud-native) Strong Linux (preferably RHEL) systems administration skills Proven experience with HPC workloads or scientific computing clusters Hands-on experience with observability tools : Prometheus More ❯

I'm currently partnering with a cutting-edge client in the Machine Learning/AI sector, and they’re looking for a skilled Infrastructure Engineer to support and scale their rapidly evolving platform. This is a fantastic opportunity for someone who thrives in technically ambitious environments and knows what it takes to keep complex systems running seamlessly. The … role is outside IR35 and fully remote. Key Tech Stack & Requirements: VMware – virtual infrastructure management Solid background in network engineering (Layer 2 & 3) Strong Linux systems administration experience Nice to have: Proficient with Kubernetes and container orchestration Hands-on with Dell switches Familiarity with GPU hardware used in high-performance computing setups More ❯

Title : Infrastructure Engineer/Wintel Engineer - Entra ID & Identity Day Rate : £450 - £600pd (Inside IR35) Duration : 6 Months Based : Hybrid/London - 2 days per week Required Experience: Enhance access control by implementing and refining RBAC in Microsoft Intune Lead SSO integrations using protocols such as SAML, OIDC, and OAuth Configure and manage Privileged Identity Management (PIM More ❯

Cyber Security Engineer - 6-Month Contract - 500/day (Outside IR35) - Hybrid (1 Day On-Site) Are you a skilled Cyber Security Engineer looking for your next challenge? Join our team for a 6-month contract , offering 500 per day outside IR35 , with a hybrid work model requiring just one day a week on-site (London) Key Responsibilities … solutions Conduct threat hunting to proactively detect and mitigate security risks Develop and enforce security policies to protect critical systems Required Skills & Experience: Proven experience as a Cyber Security Engineer Strong expertise in Microsoft 365, Intune, Azure, and Meraki Hands-on experience with AKS Right Power, Defender, and threat hunting Knowledge of security frameworks and best practices Please click More ❯

Infrastructure Engineer - Private Equity - Up to £80,000 Base + Benefits Hybrid/London We are currently working with a boutique Private Equity company who are seeking an Infrastructure Engineer to join their Technology and Data function on a permanent basis. This role involves identifying new technologies, driving implementation projects and integrating new technologies into the … visible position; working closely with a variety of departments to enhance technology capabilities and providing C-Suite stakeholders with regular project updates. Key Requirements: Relevant experience leading Engineering and Infrastructure projects. Proficient with infrastructure technologies including the full Microsoft technology stack. Ability to identify risks and implement mitigation strategies. Previous experience facing off to C-Suite stakeholders. Alternative More ❯

fast-growing specialist bank with bold plans for growth, and cyber security is at the heart of it. We’re building an in-house capability to get ahead of infrastructure-level threats and reduce our dependency on third-party providers. This is a brand-new role , and you'll be our first dedicated Infrastructure Cyber Security Engineer … Tech you’ll use SD-WAN (Velocloud) Web Application Firewall (F5 Silverline) Core networking tools and visibility platforms (we’re building this with you) 🧠 What you’ll bring Strong infrastructure and network security experience Hands-on troubleshooting, root cause analysis and remediation A proactive mindset — you won’t wait for alerts Knowledge of perimeter security, visibility tooling, and SD … WAN/WAFs Comfortable working cross-functionally in a regulated, agile environment 👥 Who you’ll work with You’ll report to our Head of Corporate Infrastructure , work daily with our Cyber Programme Lead , and partner closely with our Cloud and Desk-side engineers. You’ll also be supported by our CISO and work alongside leading external vendors. 🌍 Why join More ❯