We have an exciting opportunity for a Principal Systems Engineer - Technical Subcontracts Manager supporting one of our premier programs in the Space Intelligence, Surveillance, and Reconnaissance (SISR) business unit, where your knowledge and experience working with subcontractors and vendors to manage and report costs, schedules, and technical performance baselines will be put to good use. Experience in systems engineering functions including Concept of Operations (ConOps) development, system and product design, requirements management, technical risk management, and interface definition and control.