The Company Superb opportunity to join a leading financial services client with offices in Edinburgh, Sheffield and Birmingham. This is an initial 9-month contract inside IR35. There will be a requirement to be in one of the offices up to 3-days per week. The Role We are looking for a Security Design Engineer to lead secure software and application design across a critical in-house platform. You will own end-to-end solution design, produce high-quality architecture artefacts, and provide technical leadership across delivery and transformation programmes. The role You will support and evolve an internally developed portal - a web application with an Azure-hosted data lake Back End used for Firewall rule recertification (Check Point, Illumio, Fortinet). The role includes designing new features to support WAF, network segmentation, and Proxy capabilities, as well as contributing to the re-platforming of the service onto new infrastructure. Key responsibilities Own and deliver secure solution designs aligned to architecture standards and reference models Define architecture patterns, design decisions, risks, and deviations Collaborate with enterprise and solution architects to ensure strategic alignment Provide technical assurance and consultancy to engineering teams Present designs and recommendations to design authorities and senior stakeholders Ensure compliance with security controls and manage risk remediation Promote strong documentation, governance, and peer review ..... full job details .....