Senior Activity Security Specialist III (TS/SCI, SAP/SCI)

System High Corporation; San Antonio (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

System High Corporation is seeking an Activity Security Representative III in the United States with TS/SCI clearance and 2+ years in Special Access Program environments. You will manage day-to-day support for Collateral, SCI, and SAP activities, maintain security records, and assist with program access and training under strict SOPs.

The role emphasizes security compliance, data entry, and coordination with government personnel, including visits, badge processing, and file maintenance.

Qualifications

• 5-7 years related experience.
• SFPC counts towards 3 years of experience.
• SPSC counts towards 5 years of experience.
• SPED Certifications may count up to 5 years total.
• Counterintelligence polygraph willingness is required.

Responsibilities

• Classification reviews of inbound and outbound correspondence.
• Maintain security documentation and logs; process classified mail.
• Support SAP/SCI security activities and access control for the program.

Skills

Security clearances

Documentation control

Facility access control

Data entry

Team leadership

Education

Bachelor's degree

Tools

SFPC

SPSC

DCII/ JPAS

AFADS

Job description

System High Corporation is seeking an Activity Security Representative III in the United States with TS/SCI clearance and 2+ years in Special Access Program environments. You will manage day-to-day support for Collateral, SCI, and SAP activities, maintain security records, and assist with program access and training under strict SOPs.

The role emphasizes security compliance, data entry, and coordination with government personnel, including visits, badge processing, and file maintenance.