76 to 100 of 112 Senior Security Architect Jobs in the UK

Lenovo is seeking an Advisory Engineer, AI Security to lead the security architecture and assurance of AI models, AI-enabled products and development platforms in the Chief AI Office. You will define secure-by-design patterns, perform reviews, and enable adoption across global initiatives. The role requires translating … risk findings into prioritized technical requirements and delivering measurable outcomes with strong collaboration across engineering teams and security partners. #J-18808-Ljbffr ...

Atos Group is seeking a Senior Infrastructure Architect to define, govern, and evolve enterprise infrastructure architecture across cloud platforms, hosting services, networking, security, workplace technologies and platform services. The role operates in a highly regulated Financial Services context, guiding transformation initiatives and ensuring resilience, security ...

Cyber security is critical to every organisation. We are shaping strategies and transforming the management of cyber risk, and we need you to join us. You’ll build strong relationships as one of the areas of our cyber practice with over 450 extremely talented individuals in the UK alone … part of a Technology and Transformation practice of 7500 people. Cyber security is a business problem, not just a technical problem, and we need people with a diverse array of backgrounds and skills sets to help our clients solve it. Join us and you will help our clients solve ...

Nothing, a London-based technology company, is seeking an experienced application security leader to own the security lifecycle for our backend services and cloud platforms. You will define secure development standards and guide teams to build defensible architectures without slowing delivery. Lead threat modelling across authentication, data protection ...

seeking a Senior Messaging Lead in Leatherhead, United Kingdom, to own the operation, security and continuous improvement of the enterprise messaging environment. You will provide technical leadership for Exchange Online and hybrid components and work with Cybersecurity, Privacy and Compliance teams. The role includes line management … messaging administrator, responsibility for mail flow, security controls and integrations with Microsoft 365 and Entra ID. #J-18808-Ljbffr ...

Westcoast in Theale (Reading area) seeks a Principal Information Security Officer to lead architecture, governance, IAM and GRC activities within the Westcoast Security Model. You will partner with stakeholders, tech teams and third parties to drive secure development lifecycle processes and regulatory compliance. As an experienced security lead you will set goals & metrics, deputize for the Director of Cyber Security, and drive assurance across contracts, controls, resilience, and testing. #J-18808-Ljbffr ...

Westcoast in Theale (Reading area) seeks a Principal Information Security Officer to lead architecture, governance, IAM and GRC activities within the Westcoast Security Model. You will partner with stakeholders, tech teams and third parties to drive secure development lifecycle processes and regulatory compliance. As an experienced security lead you will set goals & metrics, deputize for the Director of Cyber Security, and drive assurance across contracts, controls, resilience, and testing. #J-18808-Ljbffr ...

Westcoast in Theale (Reading area) seeks a Principal Information Security Officer to lead architecture, governance, IAM and GRC activities within the Westcoast Security Model. You will partner with stakeholders, tech teams and third parties to drive secure development lifecycle processes and regulatory compliance. As an experienced security lead you will set goals & metrics, deputize for the Director of Cyber Security, and drive assurance across contracts, controls, resilience, and testing. #J-18808-Ljbffr ...

seeking a Senior Network Architect to shape, design, and lead complex network and security solutions for diverse enterprise customers. You will translate business needs into high-level architectures and drive solution strategy across multi-vendor environments, from discovery through proposal and handover to delivery. ...

Salt Digital Recruitment seeks an experienced Infrastructure Security Solution Architect for a daily rate contract within a regulated environment. The role covers design, governance, and hands-on architectural leadership across security and infrastructure domains. You will collaborate with enterprise and security leaders, translate requirements into robust ...

Waterstons Limited is seeking a Principal Information Security Consultant specialising in operational technology to lead OT cyber security engagements for energy-sector clients. You will provide strategic direction, technical leadership, and help grow Waterstons’ OT security capability. The role requires 8+ years in OT cybersecurity with ...

Proofpoint seeks a Senior Sales Engineer to lead the pre-sales effort, working closely with the UK and Ireland Enterprise sales team. You will articulate complex security solutions, demonstrate Proofpoint capabilities, and drive technical validation with customers and prospects. The role requires enterprise security expertise, hands ...

Mimecast Services Ltd in London seeks a Senior Solutions Architect for Email & Collaboration Security to shape architectural direction across ECS and the Mimecast platform. You will own problem framing, integration contracts, and architectural governance to enable scalable, secure delivery. You will collaborate with product, engineering, and leadership ...

Search AI Company in the United Kingdom seeks a Senior Information Security Infrastructure Engineer to join the InfoSec - Security Architecture team. You will own end-to-end telemetry ingestion pipelines and protect our data and systems. Responsibilities include managing Elasticsearch-backed clusters on Kubernetes, implementing CI/… pipelines with Terraform and Helm, and driving AI-powered automation to streamline operations and improve security posture. #J-18808-Ljbffr ...

M.C. Dean is seeking a Senior Systems Technical Specialist to support federal missions. You will define, design, and integrate complex cyber-physical systems, working across engineering, acquisition, and program management. This role requires translating stakeholder needs into architectures and roadmaps. You will lead system integration, testing, and deployment, manage ...

About the job. As part of the development of our Digital Services function, we are recruiting to strengthen internal digital capability within Cyber Security, Digital Operational Services, and Digital Corporate and Shared Services. These roles are central to building sustainable in-house expertise that supports the management, development ...

About the job. As part of the development of our Digital Services function, we are recruiting to strengthen internal digital capability within Cyber Security, Digital Operational Services, and Digital Corporate and Shared Services. These roles are central to building sustainable in-house expertise that supports the management, development ...

leading technology company is seeking a Principal Senior Technical Architect to shape and develop mission-critical capabilities for National Security clients. Based in Malvern, this full-time role requires significant experience in Defence and Cyber missions, with responsibilities including leading technical bids and managing multi-disciplinary teams. ...

Mimecast Limited is seeking a Senior Solutions Architect for Email & Collaboration Security. This role will lead architectural design within a high-trust team and engage seriously with AI tools in daily operations. The successful candidate will own integration contracts and facilitate workshops to define real problems while ensuring ...

JPMorgan Chase in London is seeking a Senior Lead Cybersecurity Architect to join the Global Architecture and Engineering team. You will shape secure software and platform solutions, applying deep technical expertise to address complex cybersecurity challenges across multiple technology domains. You will lead threat modelling, risk assessments … design reviews; develop a reference security architecture; and mentor teams on secure SDLC, cloud security, IAM, and network controls. #J-18808-Ljbffr ...

Aioi Nissay Dowa Europe Limited is seeking a senior IT Infrastructure Lead in Oxford to shape and secure the company’s global IT environment. You will design, implement and govern a heterogeneous infrastructure across Windows, MacOS and Linux, ensuring resilience, availability and strong security aligned with business objectives. ...

experienced Infrastructure Specialist to lead IT operations across London and Europe, with a hybrid work model based in London. The role covers network engineering, security, SAP prerequisites, 3PL coordination, and enterprise infrastructure alignment. You will work with Entra ID/Azure AD, Intune/MDM, ServiceNow, and ERP connectivity ...

A leading technology service provider in the UK seeks a strategic Azure Lead to manage large-scale deployments. Responsibilities include designing Azure landing zones and enforcing governance policies, while mentoring engineers and collaborating with stakeholders. ...

Azure and AWS, with emphasis on network segmentation and Zero Trust. You will evangelise automation using Ansible, Python, APIs and Terraform, while collaborating with security, cloud and service management teams to deliver end-to-end solutions. #J-18808-Ljbffr ...

Mimecast in London is seeking a Senior Solutions Architect for Email & Collaboration Security. You will shape technical direction across product management, engineering and the Architecture Leadership Team, translating customer problems into durable architectural outcomes for ECS. You will own integration contracts, ADRs, and data contracts, ensuring scalable, cost ...