Defense Counterintelligence and Security Agency (DCSA) seeks a qualified Counterintelligence Special Agent (CISA) to serve as a subject matter expert for CI collection, reporting, and operations, protecting the cleared Defense Industrial Base. The incumbent advises on risk-based countermeasures and coordinates with DoD and IC partners. The role supports CI awareness, training, and threat reporting; telework is eligible and a Top Secret clearance is required.