4 of 4 Remote Lead Security Architect Jobs in the UK

Join the Home Office as a Lead Security Architect and steer the secure by design delivery of critical systems that protect citizens and national interests. Working with the Principal Security Architect, you will own security architecture for a major portfolio, translate business goals and threat intelligence into practical controls, and mentor SEO level architects … influential communication and enjoy turning complex risks into elegant proportionate solutions, this role offers the chance to make a tangible impact on services millions rely on every day. As Lead Security Architect you will direct secure architecture across a portfolio worth hundreds of millions of pounds. Working with product owners, delivery managers and enterprise architects, you will … and NCSC standards while enabling rapid, user centred delivery. You will analyse emerging threats, advise on proportional mitigations, and produce or tailor reference patterns covering identity, network segmentation, container security, data protection, and monitoring. By modelling risks with frameworks such as ISO 27005, NIST, or STRIDE, you will justify design choices to technical and non technical audiences and document More ❯

Social network you want to login/join with: Lead Security Architect - Defence & Aviation, London col-narrow-left Client: NTT DATA Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 8083e6eff3cc Job Views: 19 Posted: 22.06.2025 Expiry Date: 06.08.2025 col-wide Job Description: Job Description What you'll … be doing: Lead Security Architect Consultant- Defence & Aviation NTT DATA is seeking a highly skilled and independent Senior Security Consultant (Architecture) to provide expert guidance and actively design and implement secure solutions within the Defence & Aviation sectors. This role requires a consultant with a proven ability to translate complex security requirements into robust architectural designs … influencing stakeholders and driving security best practices. This position involves working on high-impact projects that support national security and aviation operations. Key Responsibilities: Security Architecture Design and Implementation: Design and implement security architectures that align with industry standards, regulations (JSPs, DEFSTAN), and client requirements. Conduct security architecture reviews, perform hands-on security assessments More ❯

Splunk Engineer/Security Architect Location: Hybrid - Remote with up to 2 days/week in Contract Duration: 9 months (192 working days) Active SC clearance required Role Overview We are seeking an experienced Splunk Engineer/Security Architect to lead strategic and tactical improvements to the SIEM and associated components across a large-scale … hybrid security environment. You'll play a pivotal role in enhancing monitoring capabilities, driving SIEM convergence, and supporting the maturity of security operations. This role is aligned to a national programme improving the government's ability to detect and respond to cyber threats across multiple portfolios. You'll work alongside the SIEM Product Owner and CSOC teams to … define and deliver architectural and engineering enhancements using Splunk SaaS and related technologies. Key Responsibilities Produce and maintain architecture diagrams, high- and low-level design documentation Lead configuration of Splunk and associated infrastructure (AWS EC2, S3, SQS, etc.) Drive use case development aligned with CSOC and MITRE ATT&CK framework Attend and represent the project at key technical forums More ❯

Lead Security Architect Flexible location - Glasgow, Ipswich, London, Northampton or Selby Hybrid working Permanent, full-time Career level 3 Closing date: Monday 7th July 2025 Who we are We're committed to making a difference by generating dispatchable, renewable power and creating stable energy in an uncertain world. Building on our heritage, we aim to become the … future thinkers, and business champions. We're enabling a zero-carbon, lower-cost energy future and working to decarbonise the planet for generations to come. About the role As Lead Security Architect, you will define, develop, and implement the enterprise security architecture strategy and technology roadmaps aligned with the business's strategic requirements. This role involves … overseeing and leading Security Architecture services for change initiatives, coordinating with Digital Security and architecture governance functions to deliver a comprehensive enterprise (IT) and operational technology (OT) security architecture, ensuring resilience against threats in the long term. You will be responsible for creating architectural work products and directing the Security Architecture practice, including designs, blueprints, standards More ❯