17 of 17 Senior Infrastructure Engineer Jobs in the City of London

Senior Infrastructure Engineer – Azure, AWS, Active Directory, Exchange, Group Policy, Meraki, Fortinet, SD-WAN, PowerShell, ITIL, Change Management, Hybrid (4 days p/w in London), Site Travel Up to £80,000 Basic + Benefits + Travel Expenses This is a fantastic Senior Infrastructure Engineer opportunity to work with a leading infrastructure services … organisation, driving design and implementation of enterprise infrastructure across the business. The Senior Infrastructure Engineer is Hybrid, initially 4 days a week in London, able to travel to other sites, where required. As a Senior Infrastructure Engineer, you will play a crucial role in architecting and deploying infrastructure solutions across on-prem … and cloud environments, ensuring reliability, scalability, and security. The Senior Infrastructure Engineer will have strong experience with Azure and AWS cloud services, as well as sound knowledge of Active Directory, Exchange, and Group Policy. As Senior Infrastructure Engineer, excellent capabilities across networking is essential, including hands-on experience with Fortinet Firewalls and Cisco Meraki. More ❯

Senior Infrastructure Engineer – Azure, AWS, Active Directory, Exchange, Group Policy, Meraki, Fortinet, SD-WAN, PowerShell, ITIL, Change Management, Hybrid (4 days p/w in London), Site Travel Up to £80,000 Basic + Benefits + Travel Expenses This is a fantastic Senior Infrastructure Engineer opportunity to work with a leading infrastructure services … organisation, driving design and implementation of enterprise infrastructure across the business. The Senior Infrastructure Engineer is Hybrid, initially 4 days a week in London, able to travel to other sites, where required. As a Senior Infrastructure Engineer, you will play a crucial role in architecting and deploying infrastructure solutions across on-prem … and cloud environments, ensuring reliability, scalability, and security. The Senior Infrastructure Engineer will have strong experience with Azure and AWS cloud services, as well as sound knowledge of Active Directory, Exchange, and Group Policy. As Senior Infrastructure Engineer, excellent capabilities across networking is essential, including hands-on experience with Fortinet Firewalls and Cisco Meraki. More ❯

Senior Infrastructure Engineer | AWS, Windows, Terraform | Media & TV Salary - £60,000 Holborn/TCR office 3 days a week My client is a world-leading independent production and distribution group that produces some of the most popular TV programmes in the world. They're looking for a Senior Infrastructure Engineer who will support circa … the Holborn/Tottenham Court Road location. The role is on a hybrid model with non-negotiable in-office requirements, currently every Tuesday. You will work alongside 3 other senior engineers, and 2 project-based engineers reporting to the IT Manager. A bit of a unique opportunity here as you will be a ‘modern Windows engineer’ as our … client is hosting 60% of their infrastructure in AWS and 40% Windows on-prem. It’s a unique setup being a Windows/Microsoft environment inside the AWS ecosystem. Everything is glued together using Terraform so there’s great tooling at work here. Our client is using Okta & Okta Workflows heavily, you will get great exposure to this! Non More ❯

Senior Infrastructure Engineer | AWS, Windows, Terraform | Media & TV Salary - £60,000 Holborn/TCR office 3 days a week My client is a world-leading independent production and distribution group that produces some of the most popular TV programmes in the world. They're looking for a Senior Infrastructure Engineer who will support circa … the Holborn/Tottenham Court Road location. The role is on a hybrid model with non-negotiable in-office requirements, currently every Tuesday. You will work alongside 3 other senior engineers, and 2 project-based engineers reporting to the IT Manager. A bit of a unique opportunity here as you will be a ‘modern Windows engineer’ as our … client is hosting 60% of their infrastructure in AWS and 40% Windows on-prem. It’s a unique setup being a Windows/Microsoft environment inside the AWS ecosystem. Everything is glued together using Terraform so there’s great tooling at work here. Our client is using Okta & Okta Workflows heavily, you will get great exposure to this! Non More ❯

Senior Infrastructure Engineer Central London Up to £80k Well-established, highly profitable construction engineering business is seeking an experienced Senior Infrastructure Engineer to join them on a permanent basis. You'll be joining at a critical time as the organisation expands its technical capability, with ambitious growth plans and multiple acquisitions planned every year … for the next 5 years (8 in the past 12 months). Reporting into the IT Operations Manager, you will oversee core infrastructure and networking. You'll work closely with managed service providers to ensure seamless operations and business continuity whilst taking a lead on regular site set-ups. Key Responsibilities: * Lead and manage office and site networks, aligning … an escalation point for the Service Desk Team * Set up and configure Local Area Networks (LANs), including hardware deployment and support * Coordinate with third-party MSPs for network and infrastructure management * Manage firewall operations and connectivity with ISPs * Oversee network IP addressing and VPN setups * Support business continuity through proactive incident management * Rapid deployment of site connectivity solutions, including More ❯

Senior Infrastructure Engineer Hybrid, travel to the central London office Outside IR35 contract Our client are looking for a Senior Infrastructure Engineer with experience in Server Migration and a strong background in server administration, security best practices, and hybrid cloud environments to join them on a contract basis. This role combines hands-on technical More ❯

Senior Infrastructure Engineer Hybrid, travel to the central London office Outside IR35 contract Our client are looking for a Senior Infrastructure Engineer with experience in Server Migration and a strong background in server administration, security best practices, and hybrid cloud environments to join them on a contract basis. This role combines hands-on technical More ❯

Senior Wintel Engineer/Windows Infrastructure Engineer - Hedge Fund, London Multi-strategy hedge fund in Central London seeks a Senior Wintel Engineer/Windows Infrastructure Engineer, to join an expanding team and work on advanced infrastructure challenges. This is a hands-on engineering role within a highly technical and collaborative environment … where you’ll help shape and support the systems for global trading and research. Role Design, build, and integrate core infrastructure systems across Windows platforms. Support and enhance the firm’s operating systems, authentication, virtualization, messaging, and network. Develop automation tools and infrastructure software to drive reliability, scalability, and performance. Diagnose and resolve complex, high-impact infrastructure and performance issues. Collaborate with world-class technologists across teams to deliver secure, scalable, and efficient infrastructure solutions. Required Experience Deep technical expertise across Microsoft infrastructure technologies Strong scripting and automation skills using PowerShell. Passionate about performance, reliability, and clean engineering design. A proactive problem solver with excellent troubleshooting skills and high attention to detail. Exceptional communication More ❯

Senior Wintel Engineer/Windows Infrastructure Engineer - Hedge Fund, London Multi-strategy hedge fund in Central London seeks a Senior Wintel Engineer/Windows Infrastructure Engineer, to join an expanding team and work on advanced infrastructure challenges. This is a hands-on engineering role within a highly technical and collaborative environment … where you’ll help shape and support the systems for global trading and research. Role Design, build, and integrate core infrastructure systems across Windows platforms. Support and enhance the firm’s operating systems, authentication, virtualization, messaging, and network. Develop automation tools and infrastructure software to drive reliability, scalability, and performance. Diagnose and resolve complex, high-impact infrastructure and performance issues. Collaborate with world-class technologists across teams to deliver secure, scalable, and efficient infrastructure solutions. Required Experience Deep technical expertise across Microsoft infrastructure technologies Strong scripting and automation skills using PowerShell. Passionate about performance, reliability, and clean engineering design. A proactive problem solver with excellent troubleshooting skills and high attention to detail. Exceptional communication More ❯

Senior Cyber Security & Infrastructure Engineer - Azure - FinTech A FinTech is seeking a skilled Senior Cyber & Infrastructure Engineer to drive the next phase of its Microsoft cloud environment and cyber security strategy. This role offers an opportunity to join a forward-thinking IT function and be a key player in building secure, scalable systems and … ensuring the organisation stays ahead of evolving cyber threats. The successful candidate will take ownership of security architecture in a Microsoft cloud infrastructure environment to deliver resilient, and future proof solutions. Key Responsibilities: Implement and enhance secure, Microsoft Azure and Microsoft 365 platforms. Strengthen and manage the organisation’s security posture using Microsoft Defender for Endpoint, Sentinel, Intune, and … XDR, and CrowdStrike (or similar platforms) to improve threat detection and response capabilities. Maintain effective access controls, including RBAC and Conditional Access Collaborate with Risk & Compliance teams to align infrastructure with ISO 27001, NIST, and CIS frameworks. Act as the technical SME for security infrastructure and collaborate with other Cloud, Compliance and Development teams Skills & Experience: Strong track More ❯

Senior Cyber Security & Infrastructure Engineer - Azure - FinTech A FinTech is seeking a skilled Senior Cyber & Infrastructure Engineer to drive the next phase of its Microsoft cloud environment and cyber security strategy. This role offers an opportunity to join a forward-thinking IT function and be a key player in building secure, scalable systems and … ensuring the organisation stays ahead of evolving cyber threats. The successful candidate will take ownership of security architecture in a Microsoft cloud infrastructure environment to deliver resilient, and future proof solutions. Key Responsibilities: Implement and enhance secure, Microsoft Azure and Microsoft 365 platforms. Strengthen and manage the organisation’s security posture using Microsoft Defender for Endpoint, Sentinel, Intune, and … XDR, and CrowdStrike (or similar platforms) to improve threat detection and response capabilities. Maintain effective access controls, including RBAC and Conditional Access Collaborate with Risk & Compliance teams to align infrastructure with ISO 27001, NIST, and CIS frameworks. Act as the technical SME for security infrastructure and collaborate with other Cloud, Compliance and Development teams Skills & Experience: Strong track More ❯

My client, a leading hedge fund, is seeking a Senior Infrastructure Engineer to join their in-house engineering team. This individual will be responsible for designing, implementing, securing, and managing modern infrastructure services - partnering closely with Information Security and Support to deliver reliable trading platforms across the enterprise. This is an opportunity to work hands-on … with the latest Microsoft technologies - as well as core network infrastructure spanning LAN/WAN, Wi-Fi, firewalls, and cloud connectivity. You’ll contribute to service design and drive automation. The ideal candidate should bring strong TCP/IP networking fundamentals, proven scripting/automation skills (PowerShell or Python), and experience delivering cloud infrastructure (IaaS) and M365 deployments …/migrations. Proficiency with Conditional Access, CI/CD pipelines, and Infrastructure-as-Code (e.g., Terraform) is essential. Additional exposure to Exchange Online/Server, Teams, SharePoint, OneDrive, desktop build/deploy automation (Windows 365/AVD), and config management tools such as Ansible or Puppet will be highly advantageous. To secure the most relevant hire, my client is More ❯

My client, a leading hedge fund, is seeking a Senior Infrastructure Engineer to join their in-house engineering team. This individual will be responsible for designing, implementing, securing, and managing modern infrastructure services - partnering closely with Information Security and Support to deliver reliable trading platforms across the enterprise. This is an opportunity to work hands-on … with the latest Microsoft technologies - as well as core network infrastructure spanning LAN/WAN, Wi-Fi, firewalls, and cloud connectivity. You’ll contribute to service design and drive automation. The ideal candidate should bring strong TCP/IP networking fundamentals, proven scripting/automation skills (PowerShell or Python), and experience delivering cloud infrastructure (IaaS) and M365 deployments …/migrations. Proficiency with Conditional Access, CI/CD pipelines, and Infrastructure-as-Code (e.g., Terraform) is essential. Additional exposure to Exchange Online/Server, Teams, SharePoint, OneDrive, desktop build/deploy automation (Windows 365/AVD), and config management tools such as Ansible or Puppet will be highly advantageous. To secure the most relevant hire, my client is More ❯

The Client My client is a market leading macro focused hedge fund with offices across EMEA, USA, UAE and APAC. The are looking for a Windows Systems Engineer to join their core Technology Infrastructure team. What You'll Get An opportunity to work in one of the most exciting and successful buy-side businesses in the City. An … annual bonus. Benefits including a non-contributory pension, private healthcare, life assurance and 25 days annual leave. What You'll Do The successful candidate will be a hands-on engineer who thrives in tackling complex technical tasks and is experienced with optimising and supporting a highly available IT infrastructure. This role requires good technical and communications skills and a … passion for the latest technology. The ideal candidate will have 7+ years of applied experience as a Windows Systems Engineer that includes the deployment, monitoring and support of secure Windows Servers running business-critical application platforms. Deploy and support enterprise Windows Server 2012-2022 and Microsoft 365 solutions (Entra ID, Exchange, Endpoint Manager, Teams, Conditional Access) to meet organizational More ❯

The Client My client is a market leading macro focused hedge fund with offices across EMEA, USA, UAE and APAC. The are looking for a Windows Systems Engineer to join their core Technology Infrastructure team. What You'll Get An opportunity to work in one of the most exciting and successful buy-side businesses in the City. An … annual bonus. Benefits including a non-contributory pension, private healthcare, life assurance and 25 days annual leave. What You'll Do The successful candidate will be a hands-on engineer who thrives in tackling complex technical tasks and is experienced with optimising and supporting a highly available IT infrastructure. This role requires good technical and communications skills and a … passion for the latest technology. The ideal candidate will have 7+ years of applied experience as a Windows Systems Engineer that includes the deployment, monitoring and support of secure Windows Servers running business-critical application platforms. Deploy and support enterprise Windows Server 2012-2022 and Microsoft 365 solutions (Entra ID, Exchange, Endpoint Manager, Teams, Conditional Access) to meet organizational More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development … Mentoring junior engineers and raising the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development … Mentoring junior engineers and raising the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments More ❯