Mission Protection Systems Engineer (OSS-INT)

Mission Protection Systems Engineer (OSS-INT) Job Locations US-VA-Chantilly ID 2026-1925 Category Systems Engineer Required Security Clearance TS/SCI w/CI Poly (SSBI/ISA) Type Full-Time Overview Stellar Solutions, a nationally recognized "Great Place To Work", has exciting opportunities providing Engineering solutions for innovative new-entrant space companies, as well as established space systems manufacturers, commercial space system operators and service providers, and other industry stakeholders including investors. At Stellar Solutions, we offer talented, energetic, and immediately productive resources to satisfy our customers' critical needs in systems engineering and integration, mission operations, program management and strategic planning. We are a leading service and expertise provider for high-tech commercial ventures, spanning communications, earth observation and remote sensing systems and data products, to the infrastructures that support earth orbiting and beyond earth orbit businesses. Role/Responsibilities/Qualifications Stellar Solutions has an opportunity for a Systems Engineer located in Northern Virginia to provide Systems Engineering and Technical Advisory (SETA) services focused on protection of mission systems. This position supports the customer by understanding the current and emerging threats; develops threat mitigation tactics, techniques and procedures; facilitates training and exercises and provides on-site mission protection support The successful candidate will: Work as ops planning and protection SME; synchronizing priorities and activities through frequent interactions with the GPOC, the command and control and mission protection teams and key operations teams across the Enterprise Lead integration into Joint Planning Process ( JP 5-0, Joint Planning ) Forums/Working Groups to ensure Enterprise operations/support divisions/mission protection capabilities are represented in planning Plan and organize involvement in internal and external exercises, and when necessary, wargames Capture lessons learned to improve space operations and protection efforts Collaborate with internal and external partners to equip operators and leaders to make decisions on protection related actions Collaborate with external SMEs to understand current and emerging threat environment Identify and capture risks, issues and opportunities for the customer and provide analysis and recommendations Produce and review and comment on documents related to new capabilities, concepts and integration efforts Required Qualifications: Must be a US Citizen Active TS/SCI clearance with CI polygraph, and DOD SAP eligibility Bachelor's degree and nine (9) years or more relevant experience Experience using JP 5-0, Joint Planning , principles and/or products at the tactical and/or operational levels Knowledge of satellite constellations, spacecraft orbit, and ground station characteristics Understands satellite operations and satellite components (bus and payload), RF Fundamentals and associated ground systems and approaches to assessing vulnerabilities Self-starter, reputation for successfully anticipating and proactively addressing customer requirements with minimal supervision; ability to manage multiple tasks and deliverables Effective communicator (written/verbal) with sound interpersonal skills and judgment; master at collaboration and coordination with multiple stakeholders Ability to work independently and with a team of contractors, SETA, FFRDC, and Government Support meetings during non-standard duty hours as required Desired Qualifications: Bachelor's degree in science, technology, engineering, or mathematics (STEM) or relevant field and nine (9) years or more relevant experience; Master in STEM or relevant field and seven (7) years of more relevant experience USAF Weapons School Graduate (or similar experience using JP 5-0 Joint Planning concepts ISO operations) USAF Space Test School Graduate (or similar experience planning and assessing tactics, techniques and procedures (TTPs) against threat representative systems Experience as a spacecraft or ground systems operator Experience planning and operating against threats to spacecraft and/or other mission systems in real-world and/or mod/sim software Experience assessing counterspace threats (on-orbit, ground, cyber) Experience applying orbital mechanics to a dynamic orbital scenario Familiarity with various Systems Engineering and Program Management principles and constructs (Digital Engineering, Model-based Systems Engineering (MBSE), AGILE Development, etc) Experience with Jira and Confluence Deliverable(s) Deliverables will be in the format of reports, briefings, spreadsheets, or other documents as directed by the Government. The nature of the work will, at times, require a quick response to stringent deadlines and always in a high quality, professional manner.