38 infrastructure architect jobs found in London

Infrastructure Architect - London Outside IR35 - Rates up to £675 London based 2-3 days per week As an Infrastructure Architect, you will join a growing Strategy & Architecture team, leading the design, governance, and evolution of enterprise infrastructure architecture. The role focuses on migrating legacy data centre environments to Microsoft Azure and building secure, scalable, and separation-ready cloud platforms. You will play a key role in major transformation programmes, including cloud migration and IT separation initiatives, working closely with business and IT stakeholders, infrastructure teams, and system integrators to deliver secure, resilient, and cost-effective solutions aligned with the organisation 's target operating model. Key skills and responsibilities, * Solid experience working as an Infrastructure Architect in large, complex global organisations * Hands-on experience delivering major infrastructure transformation...

Infrastructure Architect - London Outside IR35 - Rates up to £675 London based 2-3 days per week As an Infrastructure Architect, you will join a growing Strategy & Architecture team, leading the design, governance, and evolution of enterprise infrastructure architecture. The role focuses on migrating legacy data centre environments to Microsoft Azure and building secure, scalable, and separation-ready cloud platforms. You will play a key role in major transformation programmes, including cloud migration and IT separation initiatives, working closely with business and IT stakeholders, infrastructure teams, and system integrators to deliver secure, resilient, and cost-effective solutions aligned with the organisation's target operating model. Key skills and responsibilities, * Solid experience working as an Infrastructure Architect in large, complex global organisations * Hands-on experience delivering major infrastructure transformation projects, including data...

Infrastructure Architect - London Outside IR35 - Rates up to £675 London based 2-3 days per week As an Infrastructure Architect, you will join a growing Strategy & Architecture team, leading the design, governance, and evolution of enterprise infrastructure architecture. The role focuses on migrating Legacy data centre environments to Microsoft Azure and building secure, scalable, and separation-ready cloud platforms. You will play a key role in major transformation programmes, including cloud migration and IT separation initiatives, working closely with business and IT stakeholders, infrastructure teams, and system integrators to deliver secure, resilient, and cost-effective solutions aligned with the organisation's target operating model. Key skills and responsibilities, * Solid experience working as an Infrastructure Architect in large, complex global organisations * Hands-on experience delivering major infrastructure transformation projects, including data...

Infrastructure Architect – London Outside IR35 – Rates up to £675 London based 2-3 days per week As an Infrastructure Architect, you will join a growing Strategy & Architecture team, leading the design, governance, and evolution of enterprise infrastructure architecture. The role focuses on migrating legacy data centre environments to Microsoft Azure and building secure, scalable, and separation-ready cloud platforms. You will play a key role in major transformation programmes, including cloud migration and IT separation initiatives, working closely with business and IT stakeholders, infrastructure teams, and system integrators to deliver secure, resilient, and cost-effective solutions aligned with the organisation’s target operating model. Key skills and responsibilities, • Solid experience working as an Infrastructure Architect in large, complex global organisations • Hands-on experience delivering major infrastructure transformation projects,...

Security Architect - Defence / Secure Infrastructure + Long term contract + Outside IR35 + DV Cleared + Hampshire based + Rate on application We are seeking an experienced Security Architect to support the design, assurance and accreditation of highly secure infrastructure and network environments within a classified defence programme. Working within a multi-disciplinary engineering team, you will define security architectures, conduct threat modelling and risk assessments, and ensure compliance with stringent security and accreditation requirements across complex IT and networked systems. Key Skills & Experience Proven Security Architecture experience within Defence, MOD, National Security or other highly regulated environments. Strong understanding of secure infrastructure, network and platform architectures. Experience with: Network segmentation and zoning Firewalls, IDS/IPS and boundary security controls PKI, encryption and key management Identity &...

Security Architect - Defence/Secure Infrastructure + Long term contract + Outside IR35 + DV Cleared + Hampshire based + Rate on application We are seeking an experienced Security Architect to support the design, assurance and accreditation of highly secure infrastructure and network environments within a classified defence programme. Working within a multi-disciplinary engineering team, you will define security architectures, conduct threat modelling and risk assessments, and ensure compliance with stringent security and accreditation requirements across complex IT and networked systems. Key Skills & Experience Proven Security Architecture experience within Defence, MOD, National Security or other highly regulated environments. Strong understanding of secure infrastructure, network and platform architectures. Experience with: Network segmentation and zoning Firewalls, IDS/IPS and boundary security controls PKI, encryption and key management Identity &...

Job title: Security Lead - DV Cleared-(Contract Outside IR35) Location: UK only. Hybrid with attendance at client locations across the UK. Some client secure-area work required Employment type: Contract Outside IR35 Experience: 5+ years Security Clearance: DV (Developed Vetting) and UK Nationality - MANDATORY. Pre-cleared candidates strongly preferred 1. Role purpose The Security Lead is our accountable security owner for the managed service. The role leads on, and has day-to-day operational responsibility for, service security - working in collaboration with the client's Information & Security function, the client Security Operations Centre (SOC), the internal delivery team, and the third-party software vendor. 2. Context The service processes HR, Finance and Project data including OFFICIAL-SENSITIVE personal and financial data. The contractual security regime spans UK Government security policy, NCSC HMG IAS5, GDPR/DPA 2018, PCI-DSS where applicable,...

My client is seeking an experienced Contract Site Reliability Engineer Team Lead to join their team. This is a hands-on leadership role requiring a strong technical background alongside the ability to lead, mentor, and develop a high-performing SRE function. There will be occasional travel to the client's offices in Central London. This role is paying £475 Per day and is Outside IR35. Responsibilities Provide technical leadership for the Site Reliability Engineering function, driving reliability, scalability, and performance improvements across critical production systems. Lead, mentor, and coach a team of SREs and engineers, fostering a culture of operational excellence, collaboration, and continuous improvement. Remain hands-on with the design, implementation, and support of cloud infrastructure, automation, observability, and platform reliability initiatives. Define, implement, and govern SLOs, SLIs, and error budgets, ensuring alignment between engineering...

Job Specification: Lead Enterprise Architect Contract Type: Contract (Outside IR35) Duration: Initial 12 months with potential extension Location: Hybrid/Remote (with occasional travel to offices and client sites as required) Start Date: 01/June/2026 Salary/Rate: Competitive, depending on experience Role Overview We are seeking a Lead Enterprise Architect to provide strategic leadership across enterprise-wide technology and business architecture for public sector and regulated clients. The role will define and govern the enterprise architecture vision, ensuring alignment between business strategy, policy objectives, regulatory obligations, and technology delivery. The Lead Enterprise Architect will act as a trusted advisor to Lead stakeholders, shaping investment decisions, guiding complex transformation programmes, and ensuring architectural coherence across business, data, application, integration, infrastructure, and security domains. Key...

Senior AWS Engineer - Up to £500 per day 6 month initial contract Fully Remote - UK Based Outside IR35 Role Overview We are seeking an experienced Senior AWS Engineer to join our Professional Services delivery team on a fixed term basis to support the delivery of a major AWS migration and separation programme for an enterprise customer. This role will form part of a multi-disciplinary delivery team working alongside Solution Architects, Project Managers, and customer technical stakeholders to build, migrate, and deploy AWS infrastructure and application services as part of a structured separation of an existing hybrid estate into a new AWS Organisation. The successful candidate will play a hands-on role in delivering landing zone implementation, networking build activities, server migration, and application platform deployment using Infrastructure as Code (IaC) approaches. This is a customer-facing delivery role within a professional services consultancy...

Network Systems Engineer – Contract Opportunity Location: Basildon Duration: 6 Months Rate: Up to £74 p/h (Outside IR35) About the Rol eWe are seeking a highly skilled Network Systems Enginee r to support a leading engineering team on a critical programme. This role involves hands-on configuration, lab support, and contributing to the development of robust network architectures. You’ll work closely with the Lead Systems Engineer and wider technical teams to ensure systems are delivered to exacting standards . Key Responsibiliti esSystems Configurati on — Configure systems in line with Lead Systems Engineer specification s.Trials Suppo rt — Provide technical assistance during trials and test activitie s.Network Architecture Developme nt — Support the creation of network architectures for lab environment s.Lab Infrastructure Maintenan ce — Assist in maintaining and developing lab infrastructure and associated environment s. Required Experie...

Solution Architect - Farnborough (Hybrid) - £600 - £650 Outside IR35 We are seeking an experienced Solution Architect to help shape and deliver secure, mission-critical digital solutions within Defence and National Security environments. This is an opportunity to work on complex technical challenges where security, reliability, and operational effectiveness are paramount. You'll collaborate with multidisciplinary teams to design innovative solutions that support critical decision-making and mission success. The Role As a Solution Architect, you will play a key role in the design, development, and delivery of secure technology solutions operating in highly regulated and secure environments. Working closely with engineers, developers, architects, and stakeholders, you'll translate operational requirements into robust technical architectures and guide delivery from concept through to implementation. Key Responsibilities Design and architect secure digital solutions for...

Solution Architect - Farnborough (Hybrid) - £600 - £650 Outside IR35 We are seeking an experienced Solution Architect to help shape and deliver secure, mission-critical digital solutions within Defence and National Security environments. This is an opportunity to work on complex technical challenges where security, reliability, and operational effectiveness are paramount. You'll collaborate with multidisciplinary teams to design innovative solutions that support critical decision-making and mission success. The Role As a Solution Architect, you will play a key role in the design, development, and delivery of secure technology solutions operating in highly regulated and secure environments. Working closely with engineers, developers, architects, and stakeholders, you'll translate operational requirements into robust technical architectures and guide delivery from concept through to implementation. Key Responsibilities Design and architect secure digital solutions for...

MOD DV Cleared Senior Security Architect Location: Basingstoke, Hampshire (Full-Time Onsite) Contract: 12-Month Rolling Contract Rate: £700-£750 per day (Outside IR35) Clearance: Active UK MOD DV Clearance Required The Opportunity We are currently seeking an experienced Senior Security Architect to join a high-profile government programme delivering secure, resilient, and mission-critical capabilities within a highly regulated defence environment. This role offers the opportunity to shape security strategy and architecture across complex enterprise platforms, ensuring security is Embedded throughout the full solution life cycle. Working closely with technical, delivery, and stakeholder teams, you will be responsible for developing security architectures, producing high-level designs, driving assurance activities, and providing expert guidance on secure-by-design principles. This position is ideally suited to an architect with experience operating within MOD, Defence,...

MOD DV Cleared Network Security Architect Location: Basingstoke, Hampshire (Full-time onsite) Contract: 12-Month Rolling Contract Rate: £700-£800 per day (Outside IR35) Clearance: Active UK MOD DV Clearance Required The Opportunity We are seeking an experienced MOD DV Cleared Network Security Architect to support a high-profile government programme delivering secure and resilient enterprise capabilities within a highly regulated environment. This is an excellent opportunity for an architect with a strong background across both network and infrastructure security domains , capable of translating security requirements into robust technical designs. The successful candidate will play a pivotal role in developing security architectures, producing High-Level Designs (HLDs), conducting control mapping activities, and ensuring solutions align with MOD and government security standards. Due to the nature of the programme, this role requires full-time onsite presence in...

Network Architect +18 months + +DV cleared +On site in Hampshire +Outside IR35 +£550-£650 a day We are seeking an experienced Network Architect to join a high-profile MOD programme delivering secure, mission-critical network capabilities. This is a hands-on architecture role requiring deep technical expertise across modern data centre and wide area networking technologies. Working within a highly secure environment, you will be responsible for designing, assuring and evolving complex network architectures that support large-scale digital transformation and operational requirements. Key Responsibilities Design and develop secure network architectures for enterprise and defence environments. Produce high and low-level network designs, technical documentation and implementation plans. Lead network architecture decisions across data centre, campus and WAN environments. Provide technical assurance and governance throughout the project lifecycle. Collaborate with...

Network Architect +18 months + +DV cleared +On site in Hampshire +Outside IR35 +£550-£650 a day We are seeking an experienced Network Architect to join a high-profile MOD programme delivering secure, mission-critical network capabilities. This is a hands-on architecture role requiring deep technical expertise across modern data centre and wide area networking technologies. Working within a highly secure environment, you will be responsible for designing, assuring and evolving complex network architectures that support large-scale digital transformation and operational requirements. Key Responsibilities Design and develop secure network architectures for enterprise and defence environments. Produce high and low-level network designs, technical documentation and implementation plans. Lead network architecture decisions across data centre, campus and WAN environments. Provide technical assurance and governance throughout the project life cycle. Collaborate with...

MOD DV Cleared Network Security Architect Location: Basingstoke, Hampshire (Full-time onsite) Contract: 12-Month Rolling Contract Rate: £600-£700 per day (Outside IR35) Clearance: Active UK MOD DV Clearance Required The Opportunity We are seeking an experienced MOD DV Cleared Network Security Architect to support a high-profile government programme delivering secure and resilient enterprise capabilities within a highly regulated environment. This is an excellent opportunity for an architect with a strong background across both network and infrastructure security domains , capable of translating security requirements into robust technical designs. The successful candidate will play a pivotal role in developing security architectures, producing High-Level Designs (HLDs), conducting control mapping activities, and ensuring solutions align with MOD and government security standards. Due to the nature of the programme, this role requires full-time onsite presence in...

DV Cleared Security Architect £650-£700 per day | Outside IR35 Basingstoke | 5 Days On Site Active DV Clearance Required We're supporting a major Defence programme and are looking to engage an experienced DV Cleared Security Architect to join a high-assurance environment delivering critical capabilities. This is an opportunity to work on complex, security-sensitive systems within a programme operating at the forefront of UK Defence. Key Requirements: Active UK DV Clearance Sole UK National (UKEO requirements apply) Proven Security Architecture experience within MOD or wider Defence environments Strong understanding of Secure by Design principles and risk-based security approaches Experience producing and maintaining security architecture artefacts and documentation Ability to engage confidently with technical teams, programme stakeholders and senior leadership Familiarity with secure systems engineering, accreditation processes and operating within highly...

DV Cleared Security Architect £650-£700 per day | Outside IR35 Basingstoke | 5 Days On Site Active DV Clearance Required We're supporting a major Defence programme and are looking to engage an experienced DV Cleared Security Architect to join a high-assurance environment delivering critical capabilities. This is an opportunity to work on complex, security-sensitive systems within a programme operating at the forefront of UK Defence. Key Requirements Active UK DV Clearance Sole UK National (UKEO requirements apply) Proven Security Architecture experience within MOD or wider Defence environments Strong understanding of Secure by Design principles and risk-based security approaches Experience producing and maintaining security architecture artefacts and documentation Ability to engage confidently with technical teams, programme stakeholders and senior leadership Familiarity with secure systems engineering, accreditation processes and operating within highly...