IsI Enterprises is searching for a PCL Specialist that will be responsible for processing Tier 1 personnel security clearance investigations, including pre-screening, case initiation, and case management. This role ensures timely, accurate, and compliant processing of security packages in alignment with U.S. Government (USG) regulations and requirements. The ideal candidate will have direct experience with federal personnel security programs, strong attention to detail, and proficiency in USG security systems of record.