21 of 21 Infrastructure Architect Jobs in the South East

Infrastructure Architect - Data Centre applicants must hold an active SC clearance Start: ASAP Location: onsite in central London 2-3 days per week We are seeking an experienced Infrastructure Architect to lead the technical design and delivery of a major on-premise data centre migration for a UK government client. This is a contract role requiring … deep infrastructure expertise and strong stakeholder engagement, with a focus on robust, secure, and disruption-free migration. Key Responsibilities - Lead the end-to-end infrastructure architecture for the target data centre - Conduct assessments of existing environments, dependencies, and workloads - Design migration strategies covering tooling, sequencing, rollback, and DR - Produce HLDs/LLDs across compute, storage, networking, and security … domains - Ensure alignment with enterprise architecture and compliance standards - Collaborate with project managers, technical teams, and vendors - Maintain comprehensive design documentation and architectural records - Architect solutions for high availability, resilience, and scalability - Support engineering teams during implementation and act as a technical escalation point Essential Skills: - Proven experience in data centre migrations as an Infrastructure Architect or More ❯

Sanderson are seeking a seasoned Infrastructure Architect to lead a complex and high-impact on-premise to cloud migration for a major financial services organisation. With the end of a strategic data centre hosting contract approaching in Summer 2027, our client is accelerating plans to modernise their estate - migrating a large, mixed portfolio of applications to cloud or … replatforming, rewriting, SaaS replacement, or mainframe lift-and-shift. Analyse technical stacks and integrations (CICS COBOL, IMS, VSAM, QSAM, relational databases, flat file systems). Collaborate with application and infrastructure SMEs to define optimal target platforms and integration strategies. Provide architectural guidance on cloud-native solutions, including AWS Lambda, ECS/EKS, RDS, S3, EFS, and containerised/serverless … high-level and detailed migration approaches, including cost estimation, sizing, and performance projections. Ensure alignment with cloud best practices and enterprise standards. Ideal Candidate Profile Proven experience as an Infrastructure Architect delivering on-prem to cloud and SaaS migrations in complex enterprise environments. Deep understanding of mainframe architectures, particularly CICS, COBOL, IMS, batch/online hybrid systems. Hands More ❯

Wintel Infrastructure Architect Milton Keynes – Hybrid (2-3 days in the office) Up to £70,000 plus 10% bonus and excellent benefits. Are you a seasoned infrastructure expert ready to architect and deliver solutions across physical, virtual, and cloud environments? Join a globally recognised, award-winning IT Managed Services Provider delivering innovative infrastructure and cloud … solutions across five continents. We’re looking for a Wintel Infrastructure Architect to play a strategic and hands-on role in shaping high-performance, secure, and scalable IT environments for enterprise clients. What You’ll Do Act as senior technical lead for Wintel infrastructure and escalations Design and implement secure, scalable solutions across physical, virtual, and Azure … environments Lead or contribute to infrastructure projects: migrations, upgrades, and deployments Optimise performance, reliability, and capacity across client estates Manage major incidents and root cause analysis Conduct estate reviews and proactively address risks Maintain technical documentation (HLDs, LLDs, SOPs) Use service tools to manage tasks and meet SLAs Support onboarding and service transitions Collaborate with internal teams, vendors, and More ❯

Wintel Infrastructure Architect Milton Keynes - Hybrid (2-3 days in the office) Up to £70,000 plus 10% bonus and excellent benefits. Are you a seasoned infrastructure expert ready to architect and deliver solutions across physical, virtual, and cloud environments? Join a globally recognised, award-winning IT Managed Services Provider delivering innovative infrastructure and cloud … solutions across five continents. We're looking for a Wintel Infrastructure Architect to play a strategic and hands-on role in shaping high-performance, secure, and scalable IT environments for enterprise clients. What You'll Do Act as senior technical lead for Wintel infrastructure and escalations Design and implement secure, scalable solutions across physical, virtual, and Azure … environments Lead or contribute to infrastructure projects: migrations, upgrades, and deployments Optimise performance, reliability, and capacity across client estates Manage major incidents and root cause analysis Conduct estate reviews and proactively address risks Maintain technical documentation (HLDs, LLDs, SOPs) Use service tools to manage tasks and meet SLAs Support onboarding and service transitions Collaborate with internal teams, vendors, and More ❯

Wintel Infrastructure Architect Milton Keynes - Hybrid (2-3 days in the office) Up to 70,000 plus 10% bonus and excellent benefits. Are you a seasoned infrastructure expert ready to architect and deliver solutions across physical, virtual, and cloud environments? Join a globally recognised, award-winning IT Managed Services Provider delivering innovative infrastructure and cloud … solutions across five continents. We're looking for a Wintel Infrastructure Architect to play a strategic and hands-on role in shaping high-performance, secure, and scalable IT environments for enterprise clients. What You'll Do Act as senior technical lead for Wintel infrastructure and escalations Design and implement secure, scalable solutions across physical, virtual, and Azure … environments Lead or contribute to infrastructure projects: migrations, upgrades, and deployments Optimise performance, reliability, and capacity across client estates Manage major incidents and root cause analysis Conduct estate reviews and proactively address risks Maintain technical documentation (HLDs, LLDs, SOPs) Use service tools to manage tasks and meet SLAs Support onboarding and service transitions Collaborate with internal teams, vendors, and More ❯

delivery of new IT services to support new applications and services is a key part of Three's overall business strategy and underpins the success of the business. IT Infrastructure Services support the implementation of new IT systems through the design and build of new IT platforms to host business applications. IT Infrastructure Services are responsible for delivering … IT infrastructure within Three, supporting over 200 significant new Infrastructure requests per year. Scope: Responsible for Infrastructure Architecture Roadmaps and design governance for multiple Infrastructure disciplines. Including Azure, VMware, Citrix and Active Directory The role will be required to work closely with the Infrastructure Delivery team, outsourced delivery functions, and other areas within Three's … business to ensure the successful delivery of new Infrastructure services. Responsibilities: Be responsible for all aspects of Infrastructure Architecture, Design and Delivery. Provides Consulting to teams within Three's business and outsourced delivery partners. Work with key technology vendors to understand industry trends and to define future state architectures. Initiation and governance of Infrastructure projects. Creation of More ❯

Infrastructure Architect - VMware Specialist - Must have an active DV Clearance Are you an experienced Infrastructure Architect with a strong focus on VMware virtualisation ? Do you have a proven track record in designing and delivering complex infrastructure solutions? If so, we want to hear from you! Your Role As an Infrastructure Architect , you will … Performance & Troubleshooting - Identify and resolve ESX performance issues to maintain system efficiency. Storage & Backup Solutions - Work with Veeam, NetApp, iSCSI, FC, NFS , and preferably Eternus storage solutions . Microsoft Infrastructure Integration - Ensure seamless integration with Windows Server 2019 , including troubleshooting and optimisation. Required Skills & Technologies Valid DV Clearance Extensive VMware experience , including vSphere 6.7/7 and VCP-DCV … best practices for optimising VMware environments. Experience with ESX performance analysis and fault resolution . Storage solutions , including Veeam, NetApp, and various protocols (iSCSI, FC, NFS) . Strong Microsoft infrastructure experience , including Windows Server 2019 troubleshooting . ISODE messaging products , including MBOX, MSWITCH, MVAULT, and HARRIER Web Client . SQL database management and optimisation . Network Data Diode solutions More ❯

Infrastructure Architect - VMware Specialist - Must have an active DV Clearance Are you an experienced Infrastructure Architect with a strong focus on VMware virtualisation ? Do you have a proven track record in designing and delivering complex infrastructure solutions? If so, we want to hear from you! Your Role As an Infrastructure Architect , you will … Performance & Troubleshooting - Identify and resolve ESX performance issues to maintain system efficiency. Storage & Backup Solutions - Work with Veeam, NetApp, iSCSI, FC, NFS , and preferably Eternus storage solutions . Microsoft Infrastructure Integration - Ensure seamless integration with Windows Server 2019 , including troubleshooting and optimisation. Required Skills & Technologies Valid DV Clearance Extensive VMware experience , including vSphere 6.7/7 and VCP-DCV … best practices for optimising VMware environments. Experience with ESX performance analysis and fault resolution . Storage solutions , including Veeam, NetApp, and various protocols (iSCSI, FC, NFS) . Strong Microsoft infrastructure experience , including Windows Server 2019 troubleshooting . ISODE messaging products , including MBOX, MSWITCH, MVAULT, and HARRIER Web Client . SQL database management and optimisation . Network Data Diode solutions More ❯

Infrastructure Architect (Hardware & Cloud) - Contract - Remote Method is looking for an experienced Solution Architecture Consultant to support the design and delivery of secure, scalable, and cost-effective infrastructure and cloud solutions on a services-based engagement. This is a 9-month contract operating outside IR35, focused on Azure Local deployments and associated infrastructure. This will be a … remote first role with occasional (once a month) site travel. 9-months Remote Outside IR35 £500 per day About the Role The consultant will be responsible for: Designing infrastructure and cloud architecture solutions (primarily Azure Local). Leading client workshops and producing clear, structured HLDs, LLDs, and implementation guides. Supporting standard infrastructure sizing and validation (HPE/Dell … environment validation. Producing documentation to support delivery and service transition. Coordinating site surveys and installations with third-party suppliers. Advising on compliance, risk, and technical strategy for cloud and infrastructure transformation. Key Skills & Experience 8-10+ years in infrastructure and cloud architecture roles. Deep expertise in Microsoft Azure, including EntraID (Azure AD), Azure Lighthouse, compute, and networking. More ❯

Infrastructure Architects (DV Clearance active) Job Type: Contract Location: Basingstoke Daily Rate: £600pd inside IR35 Mandatory: DV CLEARANCE active - sole British nationality We are seeking an experienced Infrastructure Architect to join our dynamic team in Defence. This role involves creating high-level and low-level designs, bills of materials, and support documentation. The ideal candidate will have More ❯

Infrastructure Architect VMWare - Must have an active DV Clearance We are seeking a highly capable and motivated Subject Matter Expert (SME) to support a dynamic delivery team working on complex systems design and implementation. This is a fantastic opportunity for an experienced solutions designer to join a collaborative, fast-paced technical environment where your knowledge, ideas, and leadership More ❯

Infrastructure Architect VMWare - Must have an active DV Clearance We are seeking a highly capable and motivated Subject Matter Expert (SME) to support a dynamic delivery team working on complex systems design and implementation. This is a fantastic opportunity for an experienced solutions designer to join a collaborative, fast-paced technical environment where your knowledge, ideas, and leadership More ❯

Job title: Infrastructure Architect Location: Basingstoke Salary: £75 - £80k plus 10% bonus, 10% DV allowance and £6k car allowance Total package: up to £102K Candidates must be willing and eligible to go through SC and DV security clearance for this role Your role We are looking for a infrastructure architect for a client of mine who … a multi skilled agile team, where teamwork is paramount. The role will be challenging and varied, where cross training is expected, and challenges shared. Reporting into the CTO Lead Architect for the customer, the post holder will own all aspects of the delivery of technical proposals, ensuring they are aligned to the client's vision. The role will require … and thoughts to senior executives Extensive knowledge of the design and implementation of secure, highly resilient, large-scale infrastructures Experience of working directly with customers to define and elaborate infrastructure requirements. Experience of deploying production implementations with successful project completion and service transition Experience of designing Infrastructure solutions to be compliant with security standards Experience in the development More ❯

Infrastructure Architect - DV Cleared Location: Basingstoke (5 days per week, office-based) Security Clearance: Must hold current, active UK Developed Vetting (DV) clearance or be willing to go through DV Clearance process. Salary: £75,000 - £80,000 per annum Package: + Bonus + 10% DV Allowance + £6,000 Car Allowance + Comprehensive Benefits Overview: Are you a … highly experienced, DV-cleared Infrastructure Architect seeking a challenging role where you can make a significant impact? Do you thrive in collaborative, agile environments and possess exceptional client-facing skills? We are representing a major global technology services provider seeking a talented Infrastructure Architect to join their dedicated team based full-time at their client site … in Basingstoke. This is a crucial role where you will take ownership of technical proposals and infrastructure design, working closely with senior stakeholders and ensuring alignment with the customer's vision. The Role: Reporting to a CTO Lead Architect, you will be a pivotal figure within a multi-skilled agile team. You will be responsible for defining and More ❯

Job title: Infrastructure Architect Location: Basingstoke Salary: £75 - £80k plus 10% bonus, 10% DV allowance and £6k car allowance Total package: up to £102K Note: Candidates must be willing and eligible to go through SC and DV security clearance for this role. Your role The successful candidate will work as part of a multi-skilled agile team, where … teamwork is paramount. The role will be challenging and varied, where cross-training is expected, and challenges shared. Reporting into the CTO Lead Architect for the customer, the post holder will own all aspects of the delivery of technical proposals, ensuring they are aligned to the client's vision. The role will require the ability to interact and work … and thoughts to senior executives. Extensive knowledge of the design and implementation of secure, highly resilient, large-scale infrastructures. Experience of working directly with customers to define and elaborate infrastructure requirements. Experience of deploying production implementations with successful project completion and service transition. Experience of designing infrastructure solutions to be compliant with security standards. Experience in the development More ❯

Infrastructure Architect Basingstoke. Occasional travel may be required. No remote working possible. Our purpose is to make the world more sustainable by building trust in society through innovation. As an Infrastructure Architect you will contribute to this by utilising energy efficient hardware and designing solutions that reduce energy use such as the use of virtualisation and … several quality gates. The ability to produce, support and maintain work packages throughout the Customer Solution Lifecycle. Experience in requirements management and associated tooling. Experience of working on secure infrastructure solutions Including demonstrable experience of the design and implementation of security policies following the appropriate guidelines, experience in Secure by Design (SbD) advantageous. Experience creating and executing PowerShell scripts … and Infrastructure as Code (IaC). Demonstrable experience of the migration from ESXi to Hyper-V is advantageous. Experience of Terraform and/or Ansible and advanced knowledge of Microsoft Windows Server, Active Directory, Group Policy including Certification Authority role service within an enterprise environment along with experience in designing and deploying HyperV, SCCM, and MECM solutions. Please note More ❯

Infrastructure Architect (SQL Focus) - DV Cleared Location: Basingstoke (5 days per week, office-based) Security Clearance: Must hold current, active UK Developed Vetting (DV) clearance or be willing to go through DV Clearance. Salary: £75,000 - £80,000 per annum Package: + 10% Bonus + 10% DV Allowance + £6,000 Car Allowance + Excellent Benefits Overview: Are … you an experienced Infrastructure Architect with deep SQL Server expertise and current DV security clearance? Ready to make a significant impact within a collaborative, multi-skilled agile team? We are recruiting on behalf of a prestigious global technology services company seeking a talented individual to join their team based full-time at their Basingstoke office. This is a … fantastic opportunity to take ownership of critical infrastructure projects within a challenging and varied environment where teamwork and continuous learning are paramount. The Role: Working as a key member of an agile team, you will be responsible for the end-to-end delivery of infrastructure work packages, with a strong focus on SQL Server environments. You will leverage More ❯

As the post holder you will be responsible for your components of the systems, working closely with the test team and integration team ensure system stability and growth. In addition also act as the 4th line support to the live More ❯

Job title: Infrastructure Architect Location: Basingstoke Salary: £75 - £80k plus 10% bonus, 10% DV allowance and £6k car allowance Total package: up to £102K Candidates must be willing and eligible ot go through SC and DV security clearence for this role Your role We are looking for an infrastructure architect for a client of mine who … a multi skilled agile team, where teamwork is paramount. The role will be challenging and varied, where cross training is expected, and challenges shared. Reporting into the CTO Lead Architect for the customer, the post holder will own all aspects of the delivery of technical proposals, ensuring they are aligned to the client's vision. The role will require … and thoughts to senior executives Extensive knowledge of the design and implementation of secure, highly resilient, large-scale infrastructures Experience of working directly with customers to define and elaborate infrastructure requirements. Experience of deploying production implementations with successful project completion and service transition Experience of designing Infrastructure solutions to be compliant with security standards Experience in the development More ❯

Infrastructure Architect - VMware Specialist - Must have an active DV Clearance Are you an experienced Infrastructure Architect with a strong focus on VMware virtualisation ? Do you have a proven track record in designing and delivering complex infrastructure solutions? If so, we want to hear from you! Your Role As an Infrastructure Architect , you will More ❯

Infrastructure Architect VMWare - Must have an active DV Clearance We are seeking a highly capable and motivated Subject Matter Expert (SME) to support a dynamic delivery team working on complex systems design and implementation. This is a fantastic opportunity for an experienced solutions designer to join a collaborative, fast-paced technical environment where your knowledge, ideas, and leadership More ❯