Job Description: We are seeking an experienced Software Systems Engineer with a strong background in software design and development and a working knowledge of systems engineering processes, methodologies, and tools. This individual will play a key role in defining, developing, integrating, and validating complex software systems while ensuring alignment with system-level requirements, architecture, and program objectives. The ideal candidate combines deep technical software expertise with an understanding of systems engineering principles, including requirements management, model-based systems engineering (MBSE), verification and validation, configuration management, customer communications and cross-functional technical leadership.