York Space Systems is seeking a Senior System Administration Lead whose responsibilities include leading compliance with government requirements pertaining to computer systems processing classified information. The selected candidate will support classified system efforts and will perform tasks that include hardware/software configuration management (to include baseline configuration), risk assessments/vulnerability assessments, testing and documenting security controls, and ensuring overall cybersecurity compliance. The ideal candidate will have advanced system administration experience spanning an array of different platforms/systems and will take initiative in collaboration between cross-functional teams. The candidate must be comfortable collaborating with stakeholders to meet system security requirements.