Job Description Are you ready to work on cutting-edge aerospace systems that define the future of air defence? Join ALTEN as a Model-Based Systems Engineer, where you'll play a key role in the development and integration of advanced avionics for next-generation aircraft. Be part of a high-impact team delivering complex system architectures using MBSE methodologies to enhance operational capability. Location: Manchester (Remote/Hybrid working available) Clearance Requirement: Sole UK National, SC Clearable Key Responsibilities: Develop and manage system requirements using Model-Based Systems Engineering (MBSE) principles. Design, model, and analyse system architectures using tools such as Enterprise Architect or Capella. Collaborate with multidisciplinary engineering teams to ensure seamless system integration in an aerospace environment. Support system verification and validation, ensuring compliance with airworthiness and defence standards. Contribute to system design reviews, providing expertise on MBSE best practices and technical documentation. Ensure traceability between requirements, models, and system verification to support project lifecycle management.