26 security architect jobs found in London

SECURITY ARCHITECT - AWS Summer-Browning Associates is supporting our client in the Central Government who is seeking a Security Architect for an initial 6-month assignment, with the possibility of extension. Location: London | Hybrid The ideal candidate will possess an active NPPV3 and SC clearance, along with a strong background in Security Architecture within a high-threat government environment. The following skills and experience are required: A solid understanding of High-Level Infrastructure Architecture (HLD). Experience in implementing and managing security monitoring solutions, as well as developing custom alerts to detect anomalies and potential threats across AWS services. Proficiency in designing and managing security policies to enable conditional access to the AWS environment. Demonstrable experience in designing logging and monitoring solutions using Microsoft Defender for Cloud in conjunction with Microsoft EntraID, facilitating integration between EntraID...

Security Architect Location – Remote Once every 6 months in - London, Manchester, Newcastle, Leeds Clearance – SC Eligible Start: Asap End:1 year Rate - £600 Inside ir35 Core responsibilities - Security design: Create and design security architecture for systems, applications, and networks, including authentication, authorization, and data protection. - Risk assessment: Analyse and assess security risks associated with proposed changes, new technologies, and existing systems, using methods like quantitative risk assessments. - Strategic advice: Provide specialist security advice to teams and stakeholders, influencing the adoption of security principles and strategies across the department. - Security controls: Recommend and implement security controls that align with business objectives and ensure security requirements are considered from the start of projects ("secure by default"). - Stakeholder engagement: Communicate and engage with a wide range of stakeholders, including...

Pega Lead Systems Architect - Pega, Process/Task Mining £550 per day (Outside IR35) Remote / London 6 Months My client is an instantly recognisable consultancy who seek a PEGA Lead Systems Architect (LSA) to take ownership of designing, architecting, and delivering innovative BPM and CRM solutions using the PEGA Platform, for a well-known end client. Key requirements: Extensive experience as a PEGA Lead Systems Architect, with a strong focus on enterprise-level solutions. Prior involvement of at least one implementation with Process/Task Mining PEGA Lead System Architect (PCLSA) certification is essential. In-depth knowledge of PEGA frameworks, including Customer Service, Decisioning, and Smart Disputes. Hands-on expertise in system integrations using SOAP/REST APIs, JMS, MQ, and Kafka. Comprehensive understanding of case management, decisioning capabilities, and the PEGA rules engine. Nice to have: Active Security Clearance (SC) Proven experience working within Agile...

Lead AWS Cloud Architect London / Reading (Hybrid) 6 Month Contract £(Apply online only)/day (Inside IR35) Lead AWS Cloud Architect needed with extensive AWS Cloud and proven Government agencies project experience. 6 Month Contract based in London and Reading (Hybrid). Hybrid Working - 1 day/week working on-site in either London or Reading, and 4 days/week working remotely (WFH). A chance to work with a leading global IT and Digital transformation business specialising in Government projects. Starting 1st week in January 2026, and looking to interview/offer by 19 December. Key skills, experience + tasks will include: Must have extensive AWS Cloud architecture expertise gained within Government regulated sectors, and across all phases from design to implementation. Acting as the Technical Authority and Design Owner for the AWS cloud migration + modernisation programme. Defining the end-to-end AWS cloud strategy, Target Architecture (HLD/LLD), shaping Landing Zone...

Job Title: Remote Access Architect Location: London (Hybrid) Contract: 3 months Role Purpose The Remote Access Architect will provide strategic oversight and governance for the design, standards, and technical components of a unified Remote Access solution across M&S. This role ensures that remote access capabilities align with the company's strategic vision, security and compliance requirements, while delivering a seamless and secure colleague experience. The Architect will act as an independent voice, representing the M&S perspective across multiple teams and technologies, ensuring cohesion and consistency in the end-to-end service. Key Responsibilities Define and govern patterns, standards, and architecture principles for the Remote Access solution. Provide strategic oversight across all technical components, ensuring integration and alignment: Zscaler Private Access (ZPA - Networks team) Zscaler Browser Portal Access (Networks team) Azure Virtual Desktop (AVD...

SAP PEO Solution Architect - Active SC, SAP, PEO £Market Rate (Inside IR35) Remote / London 6 months We are seeking an experienced SAP PEO Solution Architect, with Active Security Clearance (SC) to provide strategic advisory services on leveraging SAP for advanced manufacturing solutions within a complex engineering environment. Key Requirements: Proven experience as a SAP Solution Architect ideally within the Defence sector Active Security Clearance (SC) Deep knowledge of SAP PEO (Production Engineering and Operations module) and its role within manufacturing solutions Strong experience in SAP S/4HANA architecture and PLM integration (Teamcenter / PLMSi). Ability to advise at a strategic level, not just technical delivery. Nice to have: Flexibility to get to office Experience within engineering/manufacturing If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are...

Technical Lead: Infrastructure projects team Location: London - must be inside 1.5 hour commute to central London Contract: Full-time, 35 hours per week Type: Contract role – Inside IR35 Duration: initial 6months with possible extension up to18 months Notice Period: 2 weeks Site Requirement – 1 day per week minimum *Tuesday* 4C are recruiting on behalf of our client for an experienced Technical Lead, to lead and manage our Infrastructure projects team, focusing on specific security remediation workstreams across our enterprise systems and shared infrastructure services. You will act as the primary technical lead and solutions architect for these workstreams ensuring scalable, secure and resilient solutions that align with organisational objectives. This role will be within the infrastructure projects team and act as the technical lead for all security / vulnerability remediation activities of the current Windows endpoint and server estate, with an initial focus of Cyber...

Oracle Architect 6 months London, Manchester or Newcastle - remote Inside IR35 - Umbrella only Active SC security cleared or eligible candidates will be considered Role description: Architect to be part of a small team to do a Discovery exercise to consider options for in particular financial processing as the DWP moves beyond use of PRaP (Provider Referrals and Payments) towards the use of Synergy. The person will need to have ERM experience such as Oracle eBusiness Suite or Oracle Fusion or another general ERM solution and will help considering suitable software products / solutions. Skills to include financial and commercial systems experience. Essential skills and experience: The person will need to have ERM experience such as Oracle eBusiness Suite or Oracle Fusion or another general ERM solution and will help considering suitable software products / solutions. Skills to include financial and commercial systems experience All profiles will be reviewed against the...

£(Apply online only) per day Contract Platform Solution Architect AWS Focus SC or DV Cleared London Hybrid Outside IR35 Ncounter are supporting a major Defence initiative, and we are looking for a Platform Solution Architect with strong AWS expertise and a track record delivering complex cloud platforms in secure environments. This is a hands-on architecture role suited to someone who can shape technical strategy, guide Agile teams and work confidently with senior customer architects across demanding Defence programmes. You will help design and lead the delivery of modern cloud platforms that are scalable, resilient and aligned to strict nonfunctional requirements. You will influence key architectural decisions, collaborate closely with engineering and security teams and ensure delivery teams are working with clear direction. This role suits someone who enjoys solving real world problems, shaping cloud strategy and supporting teams through the entire delivery lifecycle. You...

Diamond Blaque is seeking a highly skilled Contract Data Architect - Interims for a prominent public sector company based in Greys, Essex. This key role involves designing, developing, and implementing comprehensive data architecture solutions to support the organisation’s strategic objectives. The successful candidate will play a crucial part in enhancing data integration, governance, and security frameworks across the enterprise. The position requires proven experience in data architecture, with a strong ability to analyse complex data requirements and translate them into scalable solutions. Working in a dynamic environment, the interim Data Architect will collaborate closely with cross-functional teams to ensure the company's data infrastructure aligns with industry standards and compliance regulations. Proven experience as a Data Architect or interims in data architecture roles. Strong knowledge of data modelling, data warehousing, and ETL processes. Experience in...

We’re seeking a skilled Data Architect to design, manage, and optimise our data architecture, turning complex data into actionable insights. You’ll work across the organisation to support service improvement, policy development, and strategic decisions while promoting a strong data-driven culture. Key Responsibilities: * Analyse and synthesise data from multiple sources to inform decisions and strategy. * Collaborate with data professionals, stakeholders, and domain experts to deliver clear, actionable findings. * Maintain and enhance data models, business intelligence architecture, and data quality standards. * Implement and monitor data governance, ensuring compliance with privacy and security standards. * Visualise data effectively, presenting insights to both technical and non-technical audiences. * Use tools such as SQL, Python, R, Tableau, Qlik, MS Excel, and GIS software. * Solve complex data problems with...

About the role Essex County Council is ambitious and by 2030 it will be one of the most forward looking, effective and financially sustainable Councils in the country. ECC will be a leading-edge digital council that drives excellent customer service with transformation at the heart of service excellence. The Product and Delivery team will provide product leadership and direction. They will develop a bold product vision, translating this into a roadmap of prioritised deliverables, planning and managing the different phases of the product delivery lifecycle, iterating a product over time to meet user needs, and ensuring products are built effectively, on time and to budget, setting high standards to ensure products meet user needs. The team will also be responsible for artificial intelligence (AI) and robotic process automation capabilities. This role will lead, monitor, optimise and continuously improve the delivery of software components so that the Council can provide simple...

Infrastructure Architect Must have an Active DV Clearance Join a high performing Defence and National Security team as an Infrastructure Architect, where you will lead the design and delivery of secure, large scale infrastructure solutions across mission critical environments. This is a hands-on architectural role supporting a multi skilled agile team and engaging directly with senior stakeholders. About the Role - Infrastructure Architect As an Infrastructure Architect, you will own the delivery of technical proposals and ensure all solutions remain aligned to the customer's strategic vision. You will work across security, service, and management functions, supporting collaboration and ensuring architectural integrity throughout the delivery lifecycle. The role involves managing third parties, overseeing change requests, and ensuring that all design decisions support a consistent and compliant solution. You will engage with senior customer stakeholders and work across...

Enterprise Architecture Modelling SME Must have an Active DV Clearance Join a high-performing Defence and National Security programme as an Enterprise Architecture Modelling SME, where you will design and manage enterprise architecture models that guide strategic decision making across complex systems. This is an opportunity to work within a multi skilled agile team, shaping how technology, applications, and business processes align to deliver secure and effective outcomes. About the Role - Enterprise Architecture Modelling SME As an Enterprise Architecture Modelling SME, you will create and manage enterprise architecture models across business, application, and technology layers using the ArchiMate standard. You will develop clear viewpoints, diagrams, and capability maps to communicate architectural direction to stakeholders. The role involves conducting impact and gap analyses, scenario modelling, and supporting decision making on proposed changes. You will work closely...

PKI Architect Must have an Active DV Clearance Join a secure and fast paced environment as a PKI Architect, where you will design and lead enterprise grade cryptographic services that support mission critical Defence and National Security systems. This role offers the chance to work in a multi skilled agile team, delivering secure PKI foundations that underpin identity, authentication, and encryption across complex environments. About the Role - PKI Architect As a PKI Architect, you will design and implement PKI solutions covering internal and external Certificate Authorities, OCSP, CRLs, and HSM integration. You will define policies, standards, and lifecycle processes for certificates, ensuring secure deployment across systems, endpoints, and applications. The role involves implementing and maintaining CAs, RAs, key management infrastructure, and supporting secure architectures across hybrid and cloud platforms. You will collaborate with identity, DevOps, and cloud security...

Lead Technical Architect Must have an Active DV Clearance Join a major Defence and National Security transformation programme as a Lead Technical Architect, guiding the design and delivery of secure, large scale services across IaaS, PaaS, and workplace environments. This is a senior technical leadership role where you will shape strategy, drive architecture direction, and lead multi skilled teams in delivering mission critical capabilities. About the Role - Lead Technical Architect As a Lead Technical Architect, you will own the technical delivery of key service components from design through deployment and into live service. You will work closely with technical leadership to maintain cohesion across multiple technology areas while improving efficiency and delivery quality. You will contribute to strategic roadmaps, ensuring architectures remain aligned to long term business and customer needs. You will act as the technical lead for delivery teams, providing guidance,...

VMware Architect Must have an Active DV Clearance Join a leading Defence and National Security programme as a VMware Architect, where you'll guide the technical strategy and delivery of secure, large-scale infrastructure services. This is a high-impact role for a collaborative leader who thrives on driving innovation and delivering mission-critical solutions in complex, secure environments. About the Role - VMware Architect As a VMware Architect, you'll lead the design and technical delivery of core infrastructure components from conception through to live service. You'll collaborate across architecture, engineering, and service teams to ensure cohesive delivery aligned to strategic goals. Responsibilities include defining and governing solution architectures, maintaining design integrity, and ensuring alignment to customer and security requirements. You'll play a central role in shaping roadmaps and driving efficiency across multiple technical workstreams within an Agile...

Technical Architect £550pd - £650pd DOE (Inside IR35/Umbrella) 6 Month Initial Contract Milton Keynes (3 days in office) SC Clearance ideally Are you a Technial Architect looking for your next long-term contract role? Do you have SC Clearance? My Central Government client is looking for an experienced Technical Architect to join their team to review, analyse and approve project requests to ensure any technology changes or improvements meet the clients' standards. You will be supporting technical teams in the delivery of capabilities, providing 4th level technical oversight to customer issues, liaising with stakeholders/customers and interpreting business requirements into technical ones and leading technical workshops. The successful candidate will carry out impact assessments of functional, capability, and security changes. You will need experience of: * Customers and Stakeholders engagement * Working within an ITIL environment * Working with software vendors and...

Technical Architect / Security Clearance / Milton Keynes / Inside IR35 / £640 / 6 Months   My Public Sector client is looking for a Technical Architect to work with a key customer delivering a key national security product where you will liaise with stakeholders/customers interpreting business requirements into technical ones and leading technical customer workshops.   Experience of: Customers and Stakeholders engagement Working within an ITIL environment Working with software vendors and developers to improve software solutions Working with engineers to deliver customer beneficial outcomes  Technical skills: Microsoft Server technologies Microsoft Active Directory Microsoft SQL Server SQL Server Database Configuration and management Azure Infrastructure Azure Virtual Desktop Azure SQL managed instance Nerdio AVD management Microsoft .Net Microsoft Web server technologies Microsoft Office applications Experience of secure desktop technologies  The successful candidate will...

Technical Project Manager - 6 months - Hybrid (London) - Outside IR35 We are looking for a highly technical Project Manager to deliver a major migration from on-premise Privileged Access Security (PAS) solution to a cloud based solution. This role offers the opportunity to lead a high-profile security transformation within a complex, fast moving environment Key Responsibilities Lead the end-to-end migration from on-premise to cloud Develop and maintain project plans, RAID logs, and migration playbooks Coordinate technical delivery with technical engineers and internal teams Manage risks, dependencies, and stakeholder communication across all phases Oversee testing, validation, and cut-over activities with minimal disruption Ensure compliance with internal security Key Experience and Skills Proven experience managing IDAM and PAM migration projects Experience with Azure Virtual Desktop, CyberArk, Zscaler Background in IAM, privileged access controls, and enterprise security...