Principal Security EngineerThe Role:Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients.We re looking for a technically strong, client-focused Principal Security Engineer to support the development, implementation, and assurance of secure system architectures and solutions. This role sits within our Secure by Design capability and supports both internal development projects and external client engagements. Working alongside the existing team, contributing to security requirements definition, risk assessments, technical security design, and security documentation for both internal platforms and client systems.Dynamic Working: A blend of home and office-based working is encouragedKey Responsibilities: Lead and Deliver Cyber Security work packages to clients, this includes applying Systems Engineering methodologies into Cyber solutions. Risk identification and managementRequirements CaptureValidationVerification Be responsible for the technical content of client deliverables, for example. Security Management PlansSecurity Case Report following Secure by Design through life principalsVerification PlansValidation Test Schedules and ReportingPenetration Test Remedial Action Plans Managing Risk Appetite and Risk Analysis AssessmentsSupport the Sales and Business Development team in winning work through the generation of proposals and support to client mee