51 to 75 of 136 Infrastructure Engineer Jobs in London

AWS Infrastructure Engineer This leading consultancy with clients in the public sector is looking for an Infrastructure Engineer with strong AWS and Cloudflare experience to spearhead their technical advancements and ensure the security and performance of their systems to their clients. This role requires a deep … services, including serverless environments and containerisation Proficiency in Cloudflare for web application firewall, DNS, CDN Networking, security protocols, and encryption techniques Experience with cloud infrastructure, DevOps practices, and security principles Excellent problem-solving, analytical, and communication skills Ability to work independently and collaboratively within a team An active UK More ❯

Network Infrastructure Engineer Location : Central London or Hampshire Hybrid : 2 days per week on-site Salary : Up to £75,000 We are seeking a Network Infrastructure Engineer to join our client who will manage and optimise both traditional and cloud-based network infrastructures. This role focuses … 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 … Meraki, Palo Alto Firewalls, and cloud platforms Experience configuring and supporting WAN technologies including BGP, OSPF, VPNs and IPSEC Strong skills in Azure, and Infrastructure as Code (IaC) tools like Terraform Automation experience with Cloudflare or similar tools Solid understanding of WAN technologies, DHCP/DNS, SAN/NAS More ❯

Network Infrastructure Engineer Location : Central London or Hampshire Hybrid : 2 days per week on-site Salary : Up to £75,000 We are seeking a Network Infrastructure Engineer to join our client who will manage and optimise both traditional and cloud-based network infrastructures. This role focuses … 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 … Meraki, Palo Alto Firewalls, and cloud platforms Experience configuring and supporting WAN technologies including BGP, OSPF, VPNs and IPSEC Strong skills in Azure, and Infrastructure as Code (IaC) tools like Terraform Automation experience with Cloudflare or similar tools Solid understanding of WAN technologies, DHCP/DNS, SAN/NAS More ❯

Senior/Principal Civil Infrastructure Engineer Access Talent Group are currently recruiting for a Small Multidisciplinary design consultancy in Central London. They are searching for an independent Engineer or Senior to support the Principal Engineer. This consultancy is looking for an experienced Engineer or Senior to … take their career forward and help deliver and lead a range of Infrastructure projects. Their projects vary from small to large scale residential developments, some utilizing traditional drainage solutions and others the opportunity to make a difference to the environment with the use of Sustainable Urban Drainage systems (SUDs … Use your creativity to resolve complexities between constrained sites and the appropriate regulations. Our working environment offers the growth opportunity to become a rounded infrastructure engineer with a good understanding of the commercial and health and safety related aspects to your work. The role The role encompasses the More ❯

Job Description Infrastructure Engineer – Azure | £75k | Hybrid (Central London) We’re working with a fast-moving financial firm that’s scaling its in-house infrastructure capability. They’ve got a strong foundation in place and a tonne of cloud transformation work ahead and they’re looking for … an Infrastructure Engineer who can get stuck into both support and strategic project work. Salary: £75,000 Location: Central London (Hybrid – 2–3 days a week in-office) Tech Stack: Azure, Terraform, VMware, Windows Server, PowerShell The Role You'll be joining a small, hands-on team alongside … the Head of Infrastructure and CTO. Expect to roll up your sleeves and take ownership across a mix of project work (cloud migration, infra redesign) and business-critical support. This includes: Rebuilding a rushed Azure environment using Terraform and infra-as-code best practices Helping consolidate two data centres More ❯

Infrastructure Support Engineer Quant Trading Firm Contract £700 per day 6 Months Outside IR35 5 days in the office Quant Capital is urgently looking for an Infrastructure Engineer to join our high profile client. Our client is a $500 million strong systematic quant commodity trading fund … desktops, servers, and virtualised environments. Liaise with external IT service partners and vendors. Ensure best practices are enforced across the estate, reengineering where necessary. Infrastructure Engineers MUST have: Core Infrastructure Focus: 7+ years' experience in IT support or infrastructure, ideally in professional services or finance. M365 Administration More ❯

Job Description Job Title: Cloud Infrastructure Engineer (Contract – Inside IR35) Client: Leading Insurance Company Contract Duration: 6 Months (Until Dec 2025) Rate: Please discuss (Inside IR35) Location: Remote (UK-based only) IR35 Status: Inside IR35 (via umbrella company engagement) Overview: We are hiring an experienced Cloud Infrastructure Engineer to join a major infrastructure programme for a leading insurance client. You'll play a key role in delivering secure, automated cloud environments that support business-critical applications. This is a hands-on, delivery-oriented role requiring deep expertise in AWS, infrastructure automation, and enterprise … support. You will be stepping in to support continuity during a period of contractor transition. Key Responsibilities: Translate high-level architecture into working AWS infrastructure environments Build environments based on HLDs, aligning with architectural standards and patterns Use Terraform and Ansible to implement infrastructure-as-code and automate More ❯

Job Title : Linux Infrastructure Engineer Location: Central London (Onsite) Would you like to be part of a fintech organisation poised to disrupt the fintech space? If you are passionate about technology and eager to collaborate with industry experts, this is the role for you! Job Description: As a … Linux Infrastructure Engineer, you will report directly to the Head of Infrastructure and play a pivotal role in building out their state-of-the-art infrastructure. Your primary responsibilities will include: Monitoring and supporting the exchange infrastructure to ensure optimal performance and reliability. Leading new projects More ❯

Job Title : Linux Infrastructure Engineer Location: Central London (Onsite) Would you like to be part of a fintech organisation poised to disrupt the fintech space? If you are passionate about technology and eager to collaborate with industry experts, this is the role for you! Job Description: As a … Linux Infrastructure Engineer, you will report directly to the Head of Infrastructure and play a pivotal role in building out their state-of-the-art infrastructure. Your primary responsibilities will include: Monitoring and supporting the exchange infrastructure to ensure optimal performance and reliability. Leading new projects More ❯

Microsoft Infrastructure Security Engineer Location: London (1 day per week on-site) Contract Length: 6 months (extension possible) Day Rate: Up to £850 (inside IR35) Clearance Required: SC clearance (must be active) Key Skills Required: Entra ID & Privileged Identity Management (PIM) About the Role Our client, a key … delivery partner in UK government cyber security programmes, is seeking an experienced Microsoft Security Engineer to lead a critical technical delivery workstream. You will play a pivotal role in implementing a secure and scalable separation of high-privilege user accounts across a hybrid Active Directory and Microsoft Entra (Azure … security teams to ensure successful deployment. Support incident response planning and execute break-glass scenarios as required. Qualifications and Skills Proven experience as a Infrastructure Engineer or Security Engineer within secure or government settings. Deep expertise in Active Directory (OU design, GPOs, Tier-0 security models). More ❯

Microsoft Infrastructure Security Engineer Location: London (1 day per week on-site) Contract Length: 6 months (extension possible) Day Rate: Up to £850 (inside IR35) Clearance Required: SC clearance (must be active) Key Skills Required: Entra ID & Privileged Identity Management (PIM) About the Role Our client, a key … delivery partner in UK government cyber security programmes, is seeking an experienced Microsoft Security Engineer to lead a critical technical delivery workstream. You will play a pivotal role in implementing a secure and scalable separation of high-privilege user accounts across a hybrid Active Directory and Microsoft Entra (Azure … security teams to ensure successful deployment. Support incident response planning and execute break-glass scenarios as required. Qualifications and Skills Proven experience as a Infrastructure Engineer or Security Engineer within secure or government settings. Deep expertise in Active Directory (OU design, GPOs, Tier-0 security models). More ❯

Azure Infrastructure Engineer (12 Month FTC) Hybrid Working: 3 days per week required in the office. DGH Recruitment are recruiting on behalf of an industry leading client in the Sports industry who are looking for an Azure Infrastructure Engineer to join the team on an initial More ❯

Infrastructure Engineer - Big-Data Fintech Firm - London Do you want to join a world-leading big-data fintech firm with clients exclusively in the buy-side financial services space? You'll be joining the Corporate Infrastructure team, working closely with the Head of IT. Your role will … be split between BAU infrastructure support and exciting projects focused on automation, migrations, and modernizing their technical landscape. From a technology perspective, they operate in a hybrid environment, with infrastructure both on-premises and cloud-hosted in Azure. You'll need proficiency across O365, including Intune, Autopilot, Exchange … tools like PowerShell, Ansible, and Terraform will help you hit the ground running. If you have five years of experience in a systems and infrastructure engineering role, this position offers a great next step in your career. This is a hybrid role, four days on-site and one day More ❯

Infrastructure Engineer - Big-Data Fintech Firm - London Do you want to join a world-leading big-data fintech firm with clients exclusively in the buy-side financial services space? You'll be joining the Corporate Infrastructure team, working closely with the Head of IT. Your role will … be split between BAU infrastructure support and exciting projects focused on automation, migrations, and modernizing their technical landscape. From a technology perspective, they operate in a hybrid environment, with infrastructure both on-premises and cloud-hosted in Azure. You'll need proficiency across O365, including Intune, Autopilot, Exchange … tools like PowerShell, Ansible, and Terraform will help you hit the ground running. If you have five years of experience in a systems and infrastructure engineering role, this position offers a great next step in your career. This is a hybrid role, four days on-site and one day More ❯

Overview As Senior Infrastructure Engineer you will manage and participate in the delivery and support of IT infrastructure and IT infrastructure security for new and existing systems and solutions. You will support team members in the provision of 2nd and 3rd line technical IM&T support … Desktop, Software, Infrastructure and Telephony) maintaining and delivering a high degree of customer service for all Information Management and Technology (IM&T) support queries. Responsibilities Proactively respond to security vulnerabilities identified by monitoring tools, performing remediation tasks Responsible for monitoring and reporting for on-premise and cloud infrastructure systems, for the early identification of issues Ensure RSSB infrastructure is secure and adheres to Cyber Security standards Act as the escalation point for technical issues Responsible for the administration and operation of the RSSB cloud and onsite physical infrastructure environments Management and oversight of the network More ❯

Senior Infrastructure Engineer – Quantitative Hedge Fund 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 … 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 … 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 More ❯

Senior Infrastructure Engineer – Quantitative Hedge Fund 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 … 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 … 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 More ❯

Job Title: ML Infrastructure Senior Engineer Location: Abu Dhabi, United Arab Emirates [Full relocation package provided] Job Overview We are seeking a skilled ML Infrastructure Engineer to join our growing AI/ML platform team. This role is ideal for someone passionate about large-scale machine …/SLMs using advanced inference engines like vLLM. You will play a critical role in designing, deploying, optimizing, and managing ML models and the infrastructure around them—both for inference, fine-tuning and continued pre-training. Key Responsibilities · Deploy large-scale or small language models (LLMs/SLMs) using … configurations (GPU, CPU, RAM) based on model size and workload patterns. · Build, test, and optimize LLMs Inference for consistent model deployment. · Implement and maintain infrastructure-as-code to manage scalable, secure, and elastic cloud-based ML environments. · Ensure seamless orchestration of the MLOps lifecycle, including experiment tracking, model registry More ❯

Job Title: ML Infrastructure Senior Engineer Location: Abu Dhabi, United Arab Emirates [Full relocation package provided] Job Overview We are seeking a skilled ML Infrastructure Engineer to join our growing AI/ML platform team. This role is ideal for someone passionate about large-scale machine …/SLMs using advanced inference engines like vLLM. You will play a critical role in designing, deploying, optimizing, and managing ML models and the infrastructure around them—both for inference, fine-tuning and continued pre-training. Key Responsibilities · Deploy large-scale or small language models (LLMs/SLMs) using … configurations (GPU, CPU, RAM) based on model size and workload patterns. · Build, test, and optimize LLMs Inference for consistent model deployment. · Implement and maintain infrastructure-as-code to manage scalable, secure, and elastic cloud-based ML environments. · Ensure seamless orchestration of the MLOps lifecycle, including experiment tracking, model registry 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 … 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 … 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 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 … 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 … 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 More ❯

IT Infrastructure Engineer Our client is a global organization with offices in the City of London. They are seeking to recruit an IT Infrastructure Support and Maintenance Engineer with at least 5 years of experience in 1st to 3rd line support. The successful candidate will work … with users in Japanese and English, collaborating closely with relevant parties to ensure coordinated IT infrastructure support and project execution. Responsibilities Manage IT infrastructure projects Communicate and coordinate with project managers at HQ in Japanese Coordinate with users across different offices in English Provide support during system deployment … and migration, including user manuals and training Global user support, acting as 2nd/3rd line support for infrastructure-related issues Escalate incidents to vendors as necessary Manage incidents using ticketing systems such as ServiceNow Skills/Knowledge Technical Skills Proven experience in IT service management operations Basic knowledge More ❯

Are you an experienced and collaborative Infrastructure Engineer? In this role you would join a growing organisation supporting a wide range of sites across London. This is a hands-on technical role where you will be instrumental in maintaining and enhancing a secure, flexible, and reliable IT infrastructure environment. If you enjoy learning and developing your technical skills, if you love to work on broad ranging crucial infrastructure projects and if you like to work in a friendly supportive environment this could be for you. You will work closely with the IT Infrastructure Manager and … the wider IT Team to deliver robust infrastructure solutions, support a multitude of project initiatives (there s lots!), and drive continuous improvement through innovation and automation. Your day-to-day will include: Designing, delivering, and maintaining resilient network and server infrastructure. Managing a virtualised environment (VMware) and implementing robust More ❯

Are you an experienced and collaborative Infrastructure Engineer? In this role you would join a growing organisation supporting a wide range of sites across London. This is a hands-on technical role where you will be instrumental in maintaining and enhancing a secure, flexible, and reliable IT infrastructure environment. If you enjoy learning and developing your technical skills, if you love to work on broad ranging crucial infrastructure projects and if you like to work in a friendly supportive environment this could be for you. You will work closely with the IT Infrastructure Manager and … the wider IT Team to deliver robust infrastructure solutions, support a multitude of project initiatives (there’s lots!), and drive continuous improvement through innovation and automation. Your day-to-day will include: Designing, delivering, and maintaining resilient network and server infrastructure. Managing a virtualised environment (VMware) and implementing robust More ❯

Senior Infrastructure Engineer – Quantitative Hedge Fund Full-Time, Office-Based – City of London £100-120k + bonus 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 … 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 … 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 More ❯