The Senior Security Specialist will apply knowledge of, and experience with, strong understanding of Physical Security requirements to include collateral Closed Areas; along with a working knowledge of SF-86, SF-312, DD-254, SF700, SF702, Operations Security (OPSEC) to develop, implement, and maintain the OPSEC Program to protect sensitive unclassified information, activities, equipment, and materials. This role is responsible for implementing and providing guidance to customers and management on security issues such as security education, classified document control, security investigations, classification control and personnel clearances.