We are seeking an experienced Systems Engineer with IT expertise to support a Government Critical National Infrastructure project. The role involves designing and maintaining complex systems that align with business goals, using established industry frameworks. The candidate should have a blend of technical and strategic understanding to develop systems that meet technical needs while driving broader business goals: • Provide multi-domain expertise across technical solutions and business strategy • Be proficient in industry standard enterprise architecture frameworks • Be at ease operating from technical to the business layers, bridging technical requirements and business objectives • Ensure system solutions are aligned with structured architecture frameworks What will I be doing • Consulting with stakeholders, suppliers, and architects to refine system requirements and ensure business alignment. • Model and advise on system architecture using systems engineering and industry frameworks. • Guide and develop system design and specification development, ensuring compliance with security and safety standards. • Oversee requirement management, technical validation, and compliance assessments. • Facilitate technical reviews, provide strategic consulting to optimize solutions, and manage risks. • Engage with clients and regulatory bodies, offering expert engineering solutions and risk mitigation strategies. • Ensure configuration management and provide technical oversight on project progress and system performance. What Leidos needs from me • Extensive experience in defence, security, or safety-critical systems. • Excellent customer-facing skills and requirement analysis. • Strong collaboration with stakeholders and suppliers. • Skilled in developing text-based and model-based requirements. • Successful track record in mission-critical systems integration. • Proficient in systems modelling using established systems engineering tools and industry standards • Expertise in modelling system behaviours, interfaces, and requirements. • Knowledge of designing systems in public cloud environments. You will be successful if you also have the following: • Positive mindset • Capability to thrive in a multicultural setting • Excellent interpersonal abilities • Meticulous attention to detail • Ability to adhere to deadlines Clearance Requirements: Successful applicants will be required to be hold and maintain UK Security Clearances. We can only consider applicants who have been residing in the UK for at least 5 years to meet the eligibility criteria. What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • Contributory Pension Scheme • Private Medical Insurance • 33 days Annual Leave (including public and privilege holidays) • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme)