The System Design Authority (SDA) is responsible for the coherence and assurance of the design activity for the entirety of the OpNet Platform. This role reports directly to the SDA Lead. The primary focus of this role is to advise and assure the OpNet design is conformant with vendor best practice, security enforcement, and the Defence Digital architectural patterns and guidance.Responsibilities: Supporto Act as the point of contact for platform architecture and threat mitigation on behalf of the SDA Lead.o Interact with programme, project and engineering team leads to ensure cross team, cross technology coherence to satisfy the platform requirements of the OpNet system.o Support design vision creation, design decisions and design review as part of the end to end assurance process.o Support to Programme and Project Stakeholder engagement and RADIOo Liaise with external (to NSoIT(D)) stakeholders to ensure end-to-end designs are being delivered across the wider Defence landscape.o Liaise with team leads across the NSoIT(D) Programme and wider defence digital organisations to ensure a robust solution is delivered within Time, Cost and Performance. Designo Identify and communicate solution intent across programme teams and the SDA and support the review of all high, intermediate and low-level designs for coherence, technical content and quality.o Align standards, frameworks and security with overall business and technology strategy.o Support to the design of platform architecture elements to enable the system to function as part of the wider defence estate, during inception, transition and operations. Assureo Ensuring that standards, frameworks and security postures align with overall business and technology strategies and policies e.g. Defence as a Platform, Federated Mission Networking and JSPs.o Identify capability gaps in existing architectures and recommend changes or enhancements in line with Agile and continuous improvement methods. Position Requirements: A minimum of 10 years demonstrable experience in the following:Architecture and development of secure Hardware and Software solutions with successful delivery on complex, large scale programmes utilising emerging technologies where possible.Strong Platform Engineering background with experience working with an Engineering team to ensure compliance.