TS/SCI ISSO

JOB DESCRIPTION
An employer is looking for a TSSCI ISSO to sit in Arlington, VA. The Information System Security Officer (ISSO) is responsible for establishing and enforcing security procedures in alignment with customer objectives and DoD regulations. This role manages Assessment & Authorization (A&A) activities, including development and maintenance of Body of Evidence documentation, System Security Plans (SSPs), and eMASS submissions to support system authorizations and continuous monitoring. The ISSO conducts security audits, ACAS scan and STIG (CKL) reviews, and ongoing security assessments to validate controls, identify vulnerabilities, and implement corrective actions across the system lifecycle. Serving as an IA/Cybersecurity Subject Matter Expert, the ISSO supports SDLC activities, provides security engineering reviews for system changes, coordinates ATO/reauthorization efforts, and develops project management plans to achieve ATO. The role also includes maintaining ISSO team processes, supporting team efficiency efforts, and collaborating closely with internal stakeholders, customers, and the ISSM to ensure systems are operated, maintained, and disposed of in compliance with established policies.

REQUIRED SKILLS AND EXPERIENCE
Active TSSCI and ability to obtain CI Poly
DoD 8570 IAT Level II Certification
BS degree and 4+ years of prior relevant experience to operate within the scope of responsibilities. Additional experience may be considered in lieu of degree
2+ years of experience working with eMASS, RMF, and STIG
Experience with the following systems/platforms/tools: eMASS