Senior Security Architect

A leading technology and consulting organisation is seeking an experienced Senior Technical Security Consultant to provide technical leadership across complex cybersecurity programmes within UK Healthcare, Defence, Central Government and the wider public sector.This is an opportunity for a senior security professional to operate as a Security Architect and technical authority, shaping secure technology solutions across cloud, network, infrastructure and application environments.The successful candidate will work with architects, engineers, security specialists and senior stakeholders to assess complex technical solutions, identify security risks and ensure security is embedded throughout the design and delivery lifecycle.Combining deep technical expertise with strong consulting and stakeholder management skills, the role will involve leading security architecture reviews, advising on security controls, supporting technical assurance and helping delivery teams implement robust, secure-by-design solutions.Key ResponsibilitiesAs a Senior Technical Security Consultant, the successful candidate will:Act as a senior Security Architect and technical authority across a portfolio of projects and services.Lead security architecture reviews and provide expert guidance on secure design principles.Assess cloud, network, infrastructure and application security controls.Review complex technical solutions to ensure alignment with security, regulatory and business requirements.Conduct and support threat modelling, cyber risk assessments and vulnerability assessments.Provide technical oversight and recommendations for security testing and penetration testing activities.Support vulnerability management, helping teams prioritise and remediate security risks effectively.Collaborate with architects, engineers, testers and assurance teams to deliver secure technology solutions.Act as an escalation point for complex technical security challenges.Coach and mentor security practitioners, improving the quality and consistency of technical security deliverables.Promote cybersecurity best practice and contribute to the development of technical standards.Engage with senior stakeholders and technical delivery teams to communicate security risks, findings and recommendations clearly.Essential Skills & ExperienceThe ideal candidate will bring significant experience in one or more technical cybersecurity disciplines, including:Security ArchitectureSecurity EngineeringCloud SecurityNetwork SecurityApplication SecurityPenetration TestingCandidates should also demonstrate:A strong understanding of modern cyber threats, attack techniques and security risks.Experience applying secure-by-design principles across enterprise environments.Strong knowledge of cloud security, infrastructure security and enterprise security technologies.The ability to translate complex technical security concepts into clear, business-focused recommendations.Excellent stakeholder management, communication and influencing skills.Experience reviewing security architectures, technical designs, risk assessments and security testing outputs.The ability to provide technical guidance and influence security decisions across complex programmes.Desirable Skills & ExperienceExperience in the following areas would be advantageous:Red teaming and adversary simulation.DevSecOps and integrating security into CI/CD pipelines.Secure software development and secure coding practices.Advanced penetration testing and technical security assessments.Working within large, complex enterprise environments.Providing technical leadership across multidisciplinary security and technology teams.Preferred CertificationsOne or more recognised industry certifications would be beneficial, including:CISSP – Certified Information Systems Security ProfessionalCCSP – Certified Cloud Security ProfessionalSABSATOGAFOSCP / OSWPCRTO / CRTEGXPNCREST CRT / CCTMicrosoft Certified: Azure Cybersecurity Architect ExpertAWS Certified Security – SpecialtyOther recognised cybersecurity, security architecture or technical security certifications