Principal Software Engineer

Company: Ultra Intelligence & Communications Cyber (UK) Business Powering Decision Join the team redefining defense technology. From engineering systems that save lives to leading programs that change the battlefield—find your place in the future of defense. Cyber Business Our Cyber business unit is at the forefront of pioneering advanced cryptographic and key management solutions, facilitating the confidential exchange of vital information for customers operating at both tactical and strategic echelons. Join our team and participate in the innovation that ensures the highest security and trust worldwide. Job Description The Ultra Engineering function manages a portfolio of specialist capabilities, generating highly differentiated solutions and products by applying electronic, mechanical, and software technologies in demanding and critical environments to meet customer needs. The Software Engineering function in Ultra supports the software development lifecycle consisting of requirements analysis, design, implementation, test and verification in order to deliver software components into projects and products and supports the deployment and maintenance of software components. A professional at this grade applies technical / professional knowledge, making independent judgements based on practice and significant previous experience to support decision making. Often seen as a referral point or more senior team member to escalate more complex problems. Roles will act independently with minimal guidance, and may act as project managers/formal mentors for junior staff. Scope Provide technical leadership and define, architect, design, develop, document and test embedded and/or application software as part of a software engineering team of 5-20 engineers, within the Cyber UK Business Unit, delivering multiple concurrent research, development and production programmes ranging from tens of £k to several £m. Line management of up to 5 software engineers. Responsible for / Key responsibilities Architect, specify requirements, design, implement and test embedded and/or application software in accordance with the project software development process to ensure high quality and timely software deliverables. Apply object-oriented design techniques to enable code re-use and integration with testing frameworks Review and understand system design artefacts to enable the derivation of software requirements and architecture that meet the high-level system requirements. Design, document, review and maintain the software design using modelling tools such as RSA and EA, ensuring model can be used for accurate code generation as required. Develop and maintain knowledge of best practice development processes, language standards and tools, e.g. TDD/BDD, Continuous Integration, DevSecOps, static and run-time analysis tools, C++ standards and secure software development. Estimate time and effort required for software activities and deliver to these…