1 to 25 of 56 Senior Infrastructure Engineer Jobs in the UK

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 (Hybrid Cloud) Fareham, Hampshire Senior Infrastructure Engineer required by a fast growing and cutting-edge design & technology company based in Fareham, Hampshire. The Senior Infrastructure Engineer will work on exciting projects utilising cutting-edge design and tech, and provide 3rd and 4th line support and engineering across Windows … Server, Azure, O365, VMware and Linux OS/platforms. Benefits Not only will the Senior Infrastructure Engineer join a rapidly growing cutting-edge design & technology company, but they will also benefit from: Starting salary of £70,000 - £90,000 per year 9am - 5pm, 35 hour working week (no weekend work) Monday and Friday WFH/Remote working … hot and cold drinks, Company events & social hours Secure onsite parking Friendly and supportive team that will encourage growth and development A few details about the role As a Senior Infrastructure Engineer for my client, you will have a varied, exciting and challenging role, and your responsibilities will be very much project dependant. However, typical responsibilities are More ❯

Senior Infrastructure Engineer - Infrastructure & Cloud Projects (MSP) * Fantastic opportunity for an experienced Senior Infrastructure Engineer to join a fast-growing and technically driven Managed Service Provider delivering enterprise-grade infrastructure, cloud, and security solutions.* Full-time, permanent role based in London with hybrid working options and a competitive salary (DOE).* Immediate … start available - professionals with strong experience in Microsoft infrastructure, Azure, and networking within an MSP environment are highly encouraged to apply.* To apply, please email . Who is the client? Our client is a well-established Managed Service Provider (MSP) supporting a diverse portfolio of businesses across the creative and professional services industries. With thousands of users under management … quality, secure, and scalable IT solutions. Their success is built on technical excellence, collaboration, and a strong commitment to professional development. What will you be doing? This is a senior, hands-on infrastructure role ideal for someone who enjoys technical leadership, complex problem solving, and delivering high-impact IT solutions. You'll take ownership of infrastructure projects More ❯

Senior Infrastructure Engineer - Network Infrastructure Firewalls DV Clearable On-Site Location: East Birmingham (Full-Time, On-Site) Salary: 47,000 - 55,000 + Benefits Are you an experienced Infrastructure Engineer with strong networking expertise and a background in secure environments? This is a full-time, on-site role based in Marston Green, Birmingham , offering … the opportunity to support mission-critical IT infrastructure within a security-sensitive organisation. As a Senior Infrastructure Engineer , you will be responsible for delivering and managing secure LAN, WAN, and WLAN networks, acting as a key escalation point for troubleshooting, and providing mentoring to junior engineers. Candidates must be eligible for DV (Developed Vetting) clearance - British … LAN, WAN, and WLAN networks for secure enterprise environments Troubleshoot complex Layer 2 and Layer 3 networking issues Document network topologies and configurations Monitor and enhance performance across network infrastructure Install and maintain firewalls - Palo Alto, Cisco ASA (AnyConnect), FortiGate Manage VPNs, IPSEC tunnels, and certificate-based authentication Contribute to AD design and secure environment management Mentor junior staff More ❯

Senior Infrastructure Engineer - Network Infrastructure | Firewalls | DV Clearable | On-Site Location: East Birmingham (Full-Time, On-Site) Salary: £47,000 - £55,000 + Benefits Are you an experienced Infrastructure Engineer with strong networking expertise and a background in secure environments? This is a full-time, on-site role based in Marston Green, Birmingham , offering … the opportunity to support mission-critical IT infrastructure within a security-sensitive organisation. As a Senior Infrastructure Engineer , you will be responsible for delivering and managing secure LAN, WAN, and WLAN networks, acting as a key escalation point for troubleshooting, and providing mentoring to junior engineers. Candidates must be eligible for DV (Developed Vetting) clearance - British … LAN, WAN, and WLAN networks for secure enterprise environments Troubleshoot complex Layer 2 and Layer 3 networking issues Document network topologies and configurations Monitor and enhance performance across network infrastructure Install and maintain firewalls - Palo Alto, Cisco ASA (AnyConnect), FortiGate Manage VPNs, IPSEC tunnels, and certificate-based authentication Contribute to AD design and secure environment management Mentor junior staff More ❯

Senior Infrastructure Engineer (Contract) ?? Location: Southwest England (Hybrid) ?? Day Rate: £450-£500 per day (Inside IR35) ? Length: 3-Month initial contract (likely extension) ?? Industry: Financial Services About the Role Were seeking an experienced Senior Infrastructure Engineer to join a leading Financial Services organisation on an initial 3-month contract. Youll be part of a … highly skilled Infrastructure team responsible for ensuring that enterprise environments remain secure, available, and reliable for all end users. This role will primarily support a key project focused on Microsoft capabilities, providing technical expertise in M365 configuration, controls, and Azure infrastructure to deliver detailed analysis and cost assessments for implementing Microsoft Copilot (or alternative Microsoft AI capabilities). … enhance Azure workloads and services across enterprise environments. Support the delivery of M365 technical configuration and security controls. Contribute to the assessment and potential implementation of Microsoft Copilot. Ensure infrastructure reliability, security, and compliance with internal standards. Work collaboratively with project and operations teams to meet agreed deliverables. Maintain and support single sign-on identity providers (SAML2/OAuth2 More ❯

Senior Network Infrastructure Engineer - Newcastle (Hybrid) Over the last 5 years, MFK Recruitment has placed 45 IT professionals with this company, and 32 are still thriving there today ! The Senior Network Infrastructure Engineer Role : We’re looking for a Senior Network Infrastructure Engineer to join a dynamic MSP team in Newcastle. … supporting a mix of on-prem, hybrid, and cloud environments, helping clients solve complex network challenges, and mentoring junior engineers along the way. What You’ll Do: As the Senior Network Infrastructure Engineer, you’ll serve as the go-to escalation point for complex network & infrastructure issues. Maintain LAN/WAN, VPN, Wi-Fi, firewall, and … on experience with hybrid networks (on-prem, virtualised, Azure). Strong technical knowledge of TCP/IP, DNS, DHCP, VLANs, routing, firewalls, and VPNs. Hands-on experience with network infrastructure (Cisco, Fortinet, HP, Ubiquiti, or Aruba). Familiarity with legacy infrastructure (AD, RDS, VMware/Hyper-V environments). Knowledge of monitoring and management tools (PRTG, SolarWinds, Zabbix More ❯

Senior Network Infrastructure Engineer ABOUT THE ROLE This is your chance to join a truly iconic Midlands retail group. Due to ongoing company expansion, we now have an opportunity for a Senior Network Infrastructure Engineer to join my clients team. We are looking for a motivated and ambitious individual who is able to prioritise … multiple tasks and deadlines. Reporting into Senior IT Management, you will help support the administration of a large hybrid infrastructure and network estate. As part of the IT Infrastructure Operations team, you will play a lead role in the administration and support of my clients extensive network and server estate, ensuring the reliability, security and performance of … mission-critical enterprise IT systems. This role places a particular emphasis on networking and connectivity, where your expertise will help optimise and evolve the LAN, WLAN and WAN infrastructure across the organisation. CANDIDATE PROFILE/ESSENTIAL SKILLS REQUIRED We want an experienced and technically skilled Senior Network Infrastructure Engineerwith a strong track record of supporting large-scale More ❯

Senior Infrastructure Engineer Abingdon 40k- 45k plus benefits Our client is a dynamic engineering consultancy with a great opportunity for a senior infrastructure engineer in their Abingdon office. They offer a comprehensive range of services from pre-planning to site completion. Specializing in civil and structural engineering, as well as utilities, they bring extensive … to diverse and exciting civil engineering projects. Their team works closely with a variety of clients, delivering high-quality solutions across multiple sectors. They are currently seeking a driven senior civil engineer with extensive experience to take a lead role within the drainage team where you will manage and coordinate large projects. The successful senior engineer More ❯

Senior Infrastructure Engineer Duration: 12-month fixed-term staff contract (not contract), with a strong potential for conversion to a permanent role. Location: This role is based in our office located in Hammersmith, London + 1 day remote work per week. Willing and able to travel occasionally overseas to other company sites We are looking for a … highly motivated and experienced Senior Infrastructure Engineer to join the global IT team. The successful candidate will play a key role in designing, implementing, maintaining, and supporting the entire IT infrastructure, which supports the business operations across multiple international locations. This is a practical role requiring a combination of deep technical expertise in Microsoft, VMware, and … The ideal candidate will be a proactive problem-solver, a mentor to junior team members, and a driving force in the ongoing improvement of our IT services. Key Responsibilities Infrastructure Management & Support: Design, build, and maintain the company's global IT infrastructure, including on-premises HPE/Dell server and storage hardware, co-located data centres, and cloud More ❯

Senior Infrastructure Engineer Location: Ilford, Essex Hybrid Working | £40,000 - £53,000 Basic Salary Are you a seasoned Infrastructure Engineer looking to make a meaningful impact in a dynamic enterprise environment? We are seeking a highly skilled professional to join our team and play a pivotal role in supporting and evolving our cloud-first infrastructure landscape. Key Responsibilities As a Senior Infrastructure Engineer, you will: Provide expert 3rd line technical support across a large enterprise environment. Lead on Azure networking and Microsoft technology implementations. Drive the adoption and integration of key technologies, including 3rd party SaaS products, with a strong emphasis on security and Single Sign-On (SSO). Core Technical … Capabilities Microsoft Azure Administration – Manage and secure our cloud estate. ARM/Bicep – Deliver infrastructure-as-code for consistent and automated deployments. Azure DevOps & CI/CD Pipelines – Enable agile delivery and automation. Microsoft 365 Suite – Support collaboration tools including SharePoint, Exchange, and Teams. End User Computing (EUC) Expertise Microsoft Intune – Manage devices securely across corporate and BYOD environments. More ❯

Senior Infrastructure Engineer Location: Solihull/Hybrid - 3 days per week on site We are working with a well-established financial services organisation to recruit a Senior Infrastructure Engineer. This is an exciting opportunity to join a fast-growing business where you will play a key role in designing, configuring, and supporting critical infrastructure, ensuring secure and reliable systems that enable business growth. The Role As a Senior Infrastructure Engineer, you will: Provide design, configuration, and technical support for the Group's infrastructure. Monitor and maintain systems to ensure reliable, effective, and secure operations. Support projects by offering technical guidance and delivering solutions aligned with best practices and regulatory requirements. … Exchange 2016/2019 Citrix XenApp 6.5 & 7.6, Intune Firewalls: Checkpoint, Sonicwall, Meraki MX Networking (LAN, WAN, SD-WAN, MPLS, Cisco, Meraki) Azure (Entra ID, Conditional Access, Identity Governance, Infrastructure deployment & management) Storage management (IBM Flashsystem preferred) Backup technologies (Veeam B&R, Veeam365, IBM tape) PowerShell Scripting Desirable Qualifications ITIL 4 Foundation Cisco, VMware, or Microsoft certifications What's More ❯

Senior Infrastructure Engineer Leicester | Hybrid | UP to 55k + Benefits We're looking for a Senior Infrastructure Engineer to join a large enterprise IT team in Leicester. This is a hands-on, high-impact role where you'll take ownership of complex network and infrastructure projects while mentoring and guiding other engineers. Why … is Exciting You'll work in a 7,000+ user, multi-site environment with hundreds of servers and over a thousand networking devices, giving you exposure to enterprise-scale infrastructure and the opportunity to influence infrastructure strategy and modernisation projects. What You'll Do Lead Cisco LAN/WAN/WLAN design, optimisation, and security initiatives Implement and … platforms (Azure/AWS) Oversee VMware/Hyper-V clusters, upgrades, and maintenance Drive automation using PowerShell, Ansible, or Terraform Shape disaster recovery and business continuity plans Mentor other Infrastructure Engineers and share best practice What We're Looking For Strong experience in enterprise networking (LAN/WAN/WLAN) CCNA or CCNP certified (or equivalent experience) Proven track More ❯

Senior Infrastructure Engineer Rate: £450 - £500 Inside IR35 Duration: 3 months Location: Remote (occasional onsite meetings may be required - Gloucestershire) Overview We're seeking a Senior Infrastructure Engineer to join a leading enterprise environment apart of the Infrastructure team responsible for ensuring that all environments are secure and reliable, supporting business-critical systems … and M365, to support a project team conducting detailed analysis and cost assessment for implementing and operating Microsoft Copilot (or similar AI-driven capabilities). Key Responsibilities Ensure enterprise infrastructure is available, secure and operating within agreed SLAs. Maintain and improve Azure-based workloads and services, ensuring compliance with organisational policies and standards. Provide technical leadership in the configuration … access solutions, including SSO identity providers (SAML2/OAuth2), especially within Microsoft Entra ID (Azure AD). Collaborate with project teams to design and document technical solutions, contributing to infrastructure roadmaps and cost models. Required Skills & Experience Microsoft Certified: Azure Administrator (AZ-104) or equivalent certification preferred. Minimum 3+ years' hands-on Azure experience, building, managing and maintaining large 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 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 - Azure | Greater Manchester | £50,000 - £61,000 | Hybrid | Castlefield are currently supporting a Growing public Sector organisation in their search for a senior infrastructure Engineer - Azure on a full-time permanent basis. Key Responsibilities: Designed and architected end-to-end cloud solutions on Microsoft Azure to meet business and strategic objectives. … Deployed, configured, and maintained Azure services, including Virtual Machines, App Services, AKS, Azure Functions, Logic Apps, Azure AD, Virtual Networks, and Azure Storage. Implemented and managed Infrastructure as Code (IaC) using ARM templates, Bicep, Terraform, and PowerShell DSC. Monitored, troubleshot, and optimized Azure workloads for high availability, performance, and cost efficiency. Designed and implemented security best practices, including identity … Engaged with stakeholders to translate requirements into technical solutions. Qualifications & Skills: Bachelor’s degree in Computer Science, IT, or related field, or equivalent work experience. 5+ years in IT infrastructure or cloud engineering, including 3+ years hands-on Microsoft Azure experience. Expertise in Azure-native services, cloud networking, security, and automation. Proficiency with PowerShell, Azure CLI, and/or More ❯

Senior Infrastructure Engineer Are you an experienced IT professional with a passion for networks, Servers, and infrastructure We're looking for a Senior Infrastructure & Network Engineer to take ownership of our IT environment and help drive key projects forward. What You'll Do: Lead the support, maintenance, and improvement of ICT infrastructure … Server, Linux, and virtual environments. Configure, install, and manage hardware, peripherals, and cloud environments with a proactive, problem-solving mindset. Collaborate across IT teams to design, document, and implement infrastructure solutions. Work with cutting-edge tools and technologies, including Nutanix virtual datacentres, Azure hybrid infrastructure, Microsoft 365, and automation Scripting (PowerShell, Ansible). Support cybersecurity controls, anti-virus … protection (Veeam). Manage WAN/LAN, SDWAN, WiFi (Aruba), Firewalls (Palo Alto), and remote access solutions (Global Protect). YOU 3+ years' experience in Network & Server support or infrastructure operations. Strong understanding of physical and virtual server environments, operating systems, and networking protocols. Knowledge of industry standards and best practices Ability to work autonomously, troubleshoot complex issues, and More ❯

Senior Infrastructure Engineer Are you an experienced IT professional with a passion for networks, Servers, and infrastructure We're looking for a Senior Infrastructure & Network Engineer to take ownership of our IT environment and help drive key projects forward. What You'll Do: Lead the support, maintenance, and improvement of ICT infrastructure … Server, Linux, and virtual environments. Configure, install, and manage hardware, peripherals, and cloud environments with a proactive, problem-solving mindset. Collaborate across IT teams to design, document, and implement infrastructure solutions. Work with cutting-edge tools and technologies, including Nutanix virtual datacentres, Azure hybrid infrastructure, Microsoft 365, and automation Scripting (PowerShell, Ansible). Support cybersecurity controls, anti-virus … protection (Veeam). Manage WAN/LAN, SDWAN, WiFi (Aruba), Firewalls (Palo Alto), and remote access solutions (Global Protect). YOU 3+ years' experience in Network & Server support or infrastructure operations. Strong understanding of physical and virtual server environments, operating systems, and networking protocols. Knowledge of industry standards and best practices Ability to work autonomously, troubleshoot complex issues, and More ❯

Senior Cloud & Infrastructure Engineer Permanent Location: Remote - UK Salary: £80,000 - £90,000 (+ benefits) Skills: Azure, Terraform, On Prem, SC Clearance We are looking to recruit an SC Cleared Senior Cloud & Infrastructure Engineer for a leading technology consultancy. This is a remote role with infrequent travel to London for team meetings. You will … work across complex cloud and on-premise environments that power critical systems and services. You'll play a key hands-on role supporting, optimising, and evolving infrastructure platforms across Azure and hybrid estates - driving reliability, performance, and automation. Due to the nature of the project work valid SC Clearance is essential. The Role As a Senior Engineer … service handovers. Champion best practice in automation, resilience, and cloud adoption. Key Skills & Experience Microsoft Azure - IaaS, PaaS, and Identity (Entra ID/Azure AD). Strong on-premises infrastructure background (Windows Server 2012-2022, AD, DNS, DHCP, IIS, GPO, RDS). Infrastructure as Code (Terraform) and automation with PowerShell . Experience with virtualisation (VMware/Hyper-V More ❯

Senior Azure/.NET Infrastructure Engineer Drive Performance at Scale | Shape the Future of Cloud Engineering Up to £100,000 + Elite Benefits Package Remote-First | Work from Anywhere in the UK | Flexible Hours Build the Backbone of High-Performance Platforms Are you a cloud infrastructure expert ready to take on a career-defining challenge? Do … fast-paced environments where your decisions directly impact scalability, security, and performance? Join a cutting-edge engineering team that's powering the future of cloud-native platforms. As a Senior Azure/.NET Infrastructure Engineer , you'll be at the heart of a mission-critical transformation-designing, optimizing, and scaling infrastructure that supports millions of users … and drives real business outcomes. This is your opportunity to own infrastructure strategy , influence engineering excellence , and scale a platform that's reshaping an entire industry . What You'll Be Doing Architect and manage Azure-based infrastructure using Infrastructure as Code (IaC) tools like ARM, Bicep, or Terraform. Optimize .NET application stacks for speed, reliability, and More ❯

We're seeking an experienced Senior Infrastructure Engineer to join our client's growing team of specialists in drainage, highways, and development infrastructure. This hybrid role is based in London 3 days per week and offers the opportunity to work on a diverse portfolio of projects for a well-established client base, primarily consisting of major residential … developers. Our client delivers a wide range of infrastructure schemes, from initial feasibility and planning through detailed design to construction. Typical projects vary in scale from 50-unit developments to large sites comprising several thousand dwellings. This is a long-term contract role which falls outside IR35 . About the Role As a Senior Infrastructure Engineer … in leading and managing multiple projects, supporting junior engineers, and maintaining high technical and quality standards across all deliverables. Key Responsibilities Lead the design and project management of multiple infrastructure schemes across various clients. Provide technical guidance and mentorship to junior team members, delegating and reviewing work to ensure deadlines and quality standards are met. Liaise directly with clients More ❯

Senior Azure/.NET Infrastructure Engineer - Drive Performance at Scale Up to £90,000 + Exceptional Benefits Remote-First | Flexible Working Shape the Future of High-Performance Platforms Are you passionate about optimizing, scaling, and securing cloud-native applications This is your chance to join a fast-growing engineering team where your expertise will directly impact customers … engineers, and business success . We're looking for a Senior Infrastructure Engineer with deep experience in Azure and .NET environments , who thrives on solving complex challenges and driving performance improvements in a dynamic, Agile setting. What You'll Do Design, manage, and scale Azure-based infrastructure using Infrastructure as Code? Optimize and maintain a … best practices and troubleshoot production issues? Plan for growth, automation, and continuous improvement across the platform What You Bring 5+ years of Azure experience Strong background in .NET application infrastructure Expertise in Azure DevOps Build & Release Pipelines Skilled in profiling, benchmarking, and performance tuning Familiarity with APM tools (e.g., New Relic) Bonus Points For: Infrastructure as Code (ARM More ❯

Senior Infrastructure Engineer | Greater Manchester | £50,000 - £60,000 | Hybrid | Public Sector Castlefield are currently supporting a Growing public Sector organisation in their search for a senior infrastructure analyst on a full-time permanent basis. Key Responsibilities Maintain core data centre systems and reporting, ensuring uptime SLAs are met. Carry out complex implementation and point … strategy, roadmaps, and future-state architectures. Build strong relationships with internal and external stakeholders, acting as a trusted advisor. Provide direction and guidance on all technical aspects of IT infrastructure, ensuring adherence to policies and standards. Maintain awareness of IT security strategies Produce and maintain build documentation as recognised deliverables. Stay up to date with IT industry developments and … Brocade BCNP, or Juniper JNCIS-ENT. Minimum 5 years’ experience in a similar technical role. In-depth technical knowledge in a specialist field with a broad understanding of all infrastructure technologies. Strong project leadership skills, including managing virtual teams and complex workstreams. Ability to present and advise at all levels, including Director level. Desirable Skills Microsoft MCSE, MCSA, MCITP. More ❯

Senior Cloud & Infrastructure Engineer Permanent Location: Remote - UK Salary: £80,000 - £90,000 (+ benefits) Skills: Azure, Terraform, On Prem, SC Clearance We are looking to recruit an SC Cleared Senior Cloud & Infrastructure Engineer for a leading technology consultancy click apply for full job details More ❯