Senior Security Control Assessor

Tharros supports the Department of Homeland Security (DHS) with cybersecurity services across its Intelligence Enterprise. In support of this mission, we have an immediate opportunity for a Senior Security Control Assessor. In this role you will lead the most complex assessments in the portfolio, including Cross Domain Solutions (CDS), Special Access Program (SAP) systems, C-LAN extension sites, and cloud environments. You will guide junior assessors, improve A&A standard operating procedures, and help modernize the authorization process toward ongoing authorization and reciprocity. This position is on-site in a Government SCIF in Washington, DC. Duties include but not limited to: BS degree in Information Technology, Cybersecurity, Information Systems, or Computer Science OR minimum of 10 years' experience in IT or cybersecurity.Minimum of 7 years' experience in RMF security control assessment.Active TS/SCI clearance and U.S. citizenship; willingness to undergo a DHS counterintelligence-scope polygraph.Knowledge of ICD 503, CNSSI 1253, and the Risk Management Framework (RMF).Knowledge of Cross Domain Solution or SAP system assessment requirements.Knowledge of cloud security authorization concepts.Skill in using at least two security tools (e.g., Nessus/ACAS, SCAP, WebInspect, SonarQube, STIG Viewer).Skill in developing and improving assessment procedures and SOPs.Ability to lead complex assessments and mentor junior staff.Proficient in Microsoft Office Suite to include Teams or similar workplace chat and videoconferencing tools.Excellent written and oral communications skills.