51 to 75 of 114 Senior Infrastructure Engineer Jobs

We're working with a leading client in the defence sector seeking an experienced Senior Infrastructure Engineer to join their team in Reading on a 4-month contract. Candidates must hold active SC Clearance Required Location: Reading/Hybrid Contract: 4 Months (Inside IR35) The Role As a Senior Infrastructure Engineer, you'll act … DNS, DHCP, firewalls) Automation & Scripting (PowerShell, Bash, Python, Ansible, Terraform) Knowledge of cyber security controls and accreditation frameworks Experience across the systems engineering lifecycle Desirable: Cloud expertise (AWS, Azure) & Infrastructure as Code (Terraform, CloudFormation) Experience with enterprise integrations (Active Directory, PKI, SIEM, monitoring) Familiarity with DevSecOps tools and CI/CD pipelines Relevant industry certifications (VMware, AWS, Microsoft, Kubernetes More ❯

Senior Infrastructure Engineer - Central Bristol Package: £60,000 - £70,000 + up to 15% bonus + profit share scheme Are you an experienced Infrastructure Engineer looking for your next challenge? This is an opportunity to join a 7-person team managing network, virtual, and cloud infrastructure. The role combines BAU 3rd-line support with project … hybrid working (3 days a week in the office, 2 days from home) Key Responsibilities include: Support the Team Manager with technical team leadership. Azure migrations and ongoing cloud infrastructure management. Supports Microsoft 365, Azure IaaS/PaaS, Teams, Exchange Online, and integrated SaaS systems. Manages some on-premises VMware infrastructure alongside Azure environments. Handles networking, firewalls, routing More ❯

At Neptune, our technology underpins everything we do - from seamless operations in our warehouses to delivering exceptional digital experiences for our customers. We're looking for a Senior Infrastructure Engineer to play a key role in keeping that technology running smoothly, securely, and efficiently. As deputy to the Cloud and Infrastructure Manager, you'll provide senior-level technical expertise across cloud, infrastructure, networking, and security, ensuring Neptune's IT estate is robust, scalable, and fit for the future. You'll also act as the primary escalation point for technical issues, supporting both the Infrastructure and Service Desk teams. In this role, you'll blend hands-on technical expertise while contributing to strategic infrastructure planning - helping Neptune evolve its infrastructure platforms while keeping everyday operations running seamlessly. Day to day, you provide technical oversight of the Neptune infrastructure, acting as a senior escalation point for complex issues and delivering 3rd line support. You will also mentor team members to develop their technical capabilities Your key responsibilities Supporting the design, implementation More ❯

Senior IT Infrastructure Engineer - Onsite, SN13 £45,000 - £65,000 25 Days annual leave Buy or sell up to 5 days' annual leave Annual wellbeing allowance Two pension schemes to choose from Private medical insurance + Discounts for additional family members Private Dental Life assurance scheme up to 4x salary Share save scheme Electric/Hybrid car … leasing scheme Cycle to work scheme Retail discounts Were looking for a dependable and hands-on Senior IT Infrastructure Engineerto help maintain and enhance our secure on-premise environment. From complex third-line issue resolution to the delivery of infrastructure improvements, this is a varied and rewarding role with a strong focus on storage, backup, and virtualisationtechnologies. … If youre methodical in your work, calm under pressure, and take pride in running reliable systems, this could be your next move. This is a position for a seasoned infrastructure engineer whos confident managing enterprise-grade systems in a secure or air-gapped environment. Youll take ownership of critical infrastructure components, support major upgrades, and play an More ❯

Senior Infrastructure Engineer | Azure, Entra ID, PowerShell/Terraform | £60,000 | Remote (UK) We’re working with one of the UK’s most respected managed service providers — a business known for its technical depth, collaborative culture, and commitment to cloud innovation. They’re looking for a hands-on Senior Microsoft Engineer to own and evolve More ❯

to embrace a new challenge? Can you effectively support large scale IT services? The DVLA and Inspire People are partnering together to bring you an exciting opportunity for a Senior Infrastructure Engineer (Wintel) to help manage and maintain the core infrastructure that underpins DVLA's production services. £44,445 plus up to £14,756 Government Digital … healthy work-life balance on how and where you work. Job description In this role, you'll be responsible for managing, supporting, designing and building some of the core infrastructure services that power both internal operations and public-facing services and play a key role in developing and maintaining robust infrastructure solutions. Responsibilities To support, maintain, administer and … build Windows/VMware infrastructure to ensure services are integrated, delivered and operated as required To work with and support colleagues, taking ownership for complex infrastructure issues, engaging and co-ordinating across multiple infrastructure and application areas until resolution is achieved. For further information about the role please see the attached role profile. Person specification About You More ❯

to embrace a new challenge? Can you effectively support large scale IT services? The DVLA and Inspire People are partnering together to bring you an exciting opportunity for a Senior Infrastructure Engineer (Wintel) to help manage and maintain the core infrastructure that underpins DVLA's production services. £44,445 plus up to £14,756 Government Digital … healthy work-life balance on how and where you work. Job description In this role, you'll be responsible for managing, supporting, designing and building some of the core infrastructure services that power both internal operations and public-facing services and play a key role in developing and maintaining robust infrastructure solutions. Responsibilities To support, maintain, administer and … build Windows/VMware infrastructure to ensure services are integrated, delivered and operated as required To work with and support colleagues, taking ownership for complex infrastructure issues, engaging and co-ordinating across multiple infrastructure and application areas until resolution is achieved. For further information about the role please see the attached role profile. Person specification About You More ❯

Senior Infrastructure Engineer x3 months+ +SC cleared role +Inside IR35 + 550 - 625 a day % on site in Reading Skills: +SC clearance +Vmware +Automation +Networking +MOD experience We're looking for a Senior Infrastructure Engineer to take a leading role in the design, implementation, and support of secure, high-performance platforms across on-premise … hybrid, and cloud environments. Acting as a technical authority in one or more key domains, you'll help shape the delivery of critical infrastructure solutions that underpin complex, mission-focused systems. What You'll Do Act as the technical authority for one or more platform engineering domains (cloud, virtualisation, automation, networking, or cyber tooling). Design and implement secure … excellence. Contribute to technology strategy, feasibility studies, and innovation initiatives. Engage confidently with stakeholders, presenting technical solutions and influencing decisions. What You'll Bring Proven technical expertise across multiple infrastructure domains, with a track record of delivering secure solutions. Strong balance between hands-on engineering and technical leadership. A problem-solving mindset and the ability to innovate under pressure. 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 More ❯

Our client, a growing enterprise seeking to enhance its IT operations, is looking for an experienced Senior Infrastructure & Security Engineer to take ownership of 3rd-line infrastructure and cybersecurity support. This hands-on role requires deep technical competency, project experience, and a proactive attitude, ensuring stability, security, and efficiency in the company’s IT environment. As … company is shifting toward a more mature enterprise IT framework, leveraging Microsoft 365 and Azure (with AWS experience as a nice-to-have). Key Responsibilities Provide 3rd-line infrastructure and security support, ensuring system reliability and cybersecurity best practices. Design and implement cloud-based and on-premise IT solutions, supporting Azure and Microsoft 365 environments. Collaborate with 1st … level setting. Oversee Active Directory (AD) conversion, ensuring seamless integration into the IT environment. Work within a customer-facing role, ensuring IT systems align with business needs. Participate in infrastructure transformation initiatives, aligning with enterprise-level standards. Ensure compliance with cybersecurity and regulatory frameworks while implementing risk mitigation strategies. Key Requirements Proven experience in senior infrastructure and More ❯

Network Infrastructure Engineer -Fully Remote -6 months initial contract -Outside IR35 -ASAP Start Currently recruiting for a seasoned Network Infrastructure Engineer, working with our leading Edinburgh-based client, specialising in digital transformation. The Network Infrastructure Engineer will be tasked with working on a large programme of projects and upgrades to the Cisco-based network … to lead projects and people successfully and will have experience implementing processes and improved ways of working. This alongside a blend of tech skills across Cisco networking, some general infrastructure and familiarity with DevOps processes, will be required to be effective in the role. Role/Responsibilities Breadth of Cisco Networking expertise Ability to lead and mentor individuals from … a technology perspective and to alleviate operational bottlenecks, Recent on-premise experience to advise the team and oversee their working methods, suggesting improvements. Provide infrastructure management support and redefine ways of working for the team to reduce backlog, increasing efficiency. Implement DevOps with more structure, prioritisation and visibility. Ideally CCNA+ qualified, to assist with switch work. Someone highly personable More ❯

Network Infrastructure Engineer -Fully Remote -6 months initial contract -Outside IR35 -ASAP Start Currently recruiting for a seasoned Network Infrastructure Engineer, working with our leading Edinburgh-based client, specialising in digital transformation. The Network Infrastructure Engineer will be tasked with working on a large programme of projects and upgrades to the Cisco-based network More ❯

Job Title: Senior Cloud & Infrastructure Engineer Location: Worcestershire (Hybrid) Salary: £65,000 The Company Are you an experienced cloud and infrastructure specialist looking for your next challenge? This is an exciting opportunity to join a fast-growing IT services provider, working on enterprise-scale projects that span Microsoft technologies, virtualisation platforms, and modern data centre solutions. … drive cloud adoption. The role blends hands-on technical delivery with client-facing consultancy, offering variety, responsibility, and the chance to make a visible impact. Roles & Responsibilities As a Senior Cloud & Infrastructure Engineer, you will: Design and implement Microsoft-based infrastructure solutions, including Windows Server, Active Directory, Microsoft 365, and Azure. Deliver consultancy and implementation services … for virtualisation (VMware/Hyper-V), storage, backup, and disaster recovery. Lead migrations and upgrades from legacy platforms to cloud or hybrid environments. Assess client infrastructure, highlight risks, and recommend improvements. Provide technical input into solution design and pre-sales proposals. Collaborate with internal teams to ensure seamless delivery of projects and managed services. Mentor junior engineers and act More ❯

Infrastructure Engineer with network skills Azure cloud, Terraform, Networking, Firewalls, Palo Alto 4 days a week in the office in London We are working with an Investment Manager in London who are seeking an experienced Infrastructure Engineer with solid understanding of Networking. The role will focus on maintaining the firms current hybrid cloud, network, Internet and … server connectivity infrastructure, and the firewall estate for a demanding business environment. The individual will deal with various issues, including On-Prem/Cloud Infrastructure, networking problems, and routine scheduled network infrastructure upgrades. The candidate must be hands-on and have experience working with Azure Cisco/Juniper Firewalls Windows Server IaC concepts Scripting know-how using More ❯

Infrastructure Engineer - Bristol (Hybrid) | £60,000-£70,000 Are you an experienced Infrastructure Engineer looking for your next challenge? This is a fantastic opportunity to join a forward-thinking IT Services team, where you'll play a key role in delivering, supporting, and evolving a global cloud-first infrastructure. This is a permanent role based in … Bristol, with hybrid working. What You'll Do You'll provide expert 3rd line support across infrastructure, platforms, servers, and networks, ensuring the smooth delivery of business-critical services. Your work will cover physical, virtual, and cloud environments - from wired/wireless networking to SaaS, PaaS, and IaaS platforms. Key responsibilities include: Supporting and operating core platforms, hardware, and More ❯

Infrastructure Engineer - Bristol (Hybrid) £60,000-£70,000 Are you an experienced Infrastructure Engineer looking for your next challenge? This is a fantastic opportunity to join a forward-thinking IT Services team, where you'll play a key role in delivering, supporting, and evolving a global cloud-first infrastructure click apply for full job details More ❯

Your new company Working for a renowned metal/commodities exchange group. Your new role Seeking a Senior Infrastructure Engineer to work within the Engineering and Operation Team. You will be responsible for BAU support of all aspects of the company's server and virtual infrastructure with an emphasis on AD, Exchange on prem 2016/… a proven background in advanced trouble shooting and resolution of operational issues and root cause analysis.They will be expected to configure and maintain all supported Wintel technology stacks. Wintel infrastructure responsibilities covers all levels of server O/S, Citrix XenApp/Virtual Apps and Desktop, Netscaler, MS SCCM, Acitve Directory, messaging technologies (including Exchange Online Hybrid 2016/… PKI, VMware ESX 8 and HP hardware support. What you'll need to succeed Proven background in enterprise/professional IT environments as an Infrastructure/Wintel Engineer with deep expertise in Windows platforms and services, including Active Directory (AD), DHCP, DNS, PKI, Group Policy (GPO), and Distributed File System (DFS). Windows Server Expertise: Skilled in building More ❯

Your new company Working for a renowned metal/commodities exchange group. Your new role Seeking a Senior Infrastructure Engineer to work within the Engineering and Operation Team. You will be responsible for BAU support of all aspects of the company's server and virtual infrastructure with an emphasis on AD, Exchange on prem 2016/… proven background in advanced trouble shooting and resolution of operational issues and root cause analysis. They will be expected to configure and maintain all supported Wintel technology stacks. Wintel infrastructure responsibilities covers all levels of server O/S, Citrix XenApp/Virtual Apps and Desktop, Netscaler, MS SCCM, Acitve Directory, messaging technologies (including Exchange Online Hybrid 2016/… PKI, VMware ESX 8 and HP hardware support. What you'll need to succeed Proven background in enterprise/professional IT environments as an Infrastructure/Wintel Engineer with deep expertise in Windows platforms and services, including Active Directory (AD), DHCP, DNS, PKI, Group Policy (GPO), and Distributed File System (DFS). Windows Server Expertise: Skilled in building More ❯

Infrastructure Engineer with network skills Azure cloud, Terraform, Networking, Firewalls, Palo Alto 4 days a week in the office in London We are working with an Investment Manager in London who are seeking an experienced Infrastructure Engineer with solid understanding of Networking click apply for full job details More ❯

Senior Azure/.NET Infrastructure Engineer Shape the Future of Scalable Cloud Platforms Up to £100,000 + Elite Benefits Remote-First | UK-Based | Flexible Hours Build the Backbone of Innovation Are you a cloud infrastructure expert ready to lead transformation at scale? Join a high-performing engineering team driving the evolution of cloud-native platforms … used by millions. This is your chance to architect, optimise, and scale infrastructure that powers real-world impact - from performance-critical applications to enterprise-grade systems. You'll be at the forefront of infrastructure strategy, working with cutting-edge Azure technologies and .NET stacks to deliver speed, reliability, and resilience across the platform. What You'll Be Doing … Architect and manage Azure infrastructure using IaC tools (ARM, Bicep, Terraform) Optimise .NET application stacks for performance and scalability Implement observability and monitoring tools to ensure system health Troubleshoot production environments and drive continuous improvement Lead automation initiatives and contribute to platform growth strategy What You Bring: 5+ years of hands-on Azure infrastructure experience Deep understanding of More ❯

Were looking for a Senior Infrastructure Engineer to join our team and play a key role in designing, configuring, and supporting our Group infrastructure. Youll be instrumental in ensuring our systems are secure, reliable, and scalablesupporting both day-to-day operations and exciting new projects as we continue to grow and diversify. What Youll Be Doing Designing … and implementing robust infrastructure solutions that meet business needs and regulatory standards. Providing hands-on technical support across BAU and project environments. Monitoring and maintaining infrastructure to ensure optimal performance and security. Leading and mentoring junior team members, sharing knowledge and fostering growth. Collaborating with stakeholders to deliver infrastructure change projects on time and within budget. Supporting … and a collaborative mindset. Youll thrive here if you enjoy solving complex problems, sharing your expertise, and working in a fast-paced environment. Essential Skills & Experience Proven experience in infrastructure support and project delivery. Strong knowledge of: ? Windows Server 2016/2019/2022/2025 VMware (5.5 to 7.x) Active Directory & Group Policy Office 365 & Exchange 2016/ More ❯

CALIBRE is an employee-owned mission focused solutions and digital transformation company. We are seeking a Senior Infrastructure Engineer to design, deploy, and secure cloud-native and Kubernetes-based platforms for government clients. This role includes supporting Spectro Cloud Kubernetes installations in classified and air-gapped environments. You will be instrumental in building and automating Linux and … hybrid cloud infrastructure to enable secure and scalable mission outcomes. This position can be based in Melbourne, FL; Huntsville, AL; Denver, CO; or Salt Lake City, UT Key Responsibilities: Architect and deploy secure, scalable Linux and Kubernetes infrastructures for government environments. Guide client teams on cloud adoption, infrastructure modernization, and DevSecOps best practices. Implement automation using Ansible, Terraform … and CI/CD tools to streamline infrastructure operations. Ensure compliance with cybersecurity frameworks such as STIG, RMF, and related DoD requirements. Troubleshoot and optimize performance across complex, distributed systems. Mentor client teams on Kubernetes operations, infrastructure automation, and secure cloud practices. Required Skills Strong experience in Linux infrastructure and cloud-native environments Hands-on Kubernetes administration More ❯

Our client is large organisation with over 5000 staff and are urgently seeking a skilled and motivated Senior Infrastructure Engineer to join our Head Office team in Hertfordshire. This is a fantastic opportunity for an experienced engineer with a strong on-premises infrastructure background who’s also comfortable working across modern cloud technologies. You’ll … real impact. You’ll be supported to develop your technical skills, take ownership of complex challenges, and contribute to continuous improvement across the business. If you’re passionate about infrastructure, enjoy problem-solving, and want to work with a mix of enterprise-grade on-prem systems and modern cloud platforms, we’d love to hear from you. More ❯

Our client is large organisation with over 5000 staff and are urgently seeking a skilled and motivated Senior Infrastructure Engineer to join our Head Office team in Hertfordshire. This is a fantastic opportunity for an experienced engineer with a strong on-premises infrastructure background who’s also comfortable working across modern cloud technologies. You’ll … real impact. You’ll be supported to develop your technical skills, take ownership of complex challenges, and contribute to continuous improvement across the business. If you’re passionate about infrastructure, enjoy problem-solving, and want to work with a mix of enterprise-grade on-prem systems and modern cloud platforms, we’d love to hear from you. InterQuest Group More ❯

Position: Senior Infrastructure Engineer Location: Newport Salary: £500 to £600 p.d inside IR35 Security Clearance: SC Clearance Required About the Role Step into a mission-critical role supporting national defence infrastructure. We're seeking a seasoned engineer with deep expertise in Exchange, Active Directory, and virtualised environments to join a high-trust team delivering secure, scalable More ❯