We are seeking a Senior Mission Systems Architect to support programs focused on space-based remote sensing. The ideal candidate will translate requirements into CONOPS and system architectures that enable operational success. The role requires a strong understanding of space-based sensor phenomenology and experience contributing to system integration, verification and validation, and agile development efforts. Responsibilities: Provide senior-level subject matter expertise to guide the architecture, design, and implementation of OPIR-focused software systems and analytical applications. Evaluate system design documents, user interface prototypes, and software artifacts to ensure technical soundness and operational suitability for OPIR missions. Participate in sprint reviews, technical interchange meetings (TIMs), and formal design reviews with a focus on OPIR system integration, data processing, and analytic performance. Support government stakeholders by reviewing and validating contractor performance against OPIR-specific technical, analytical, and operational objectives. Ensure that new and evolving software capabilities align with OPIR mission requirements, operational workflows, and emerging needs of the OPIR analysis and research communities.