Information Systems Security Engineer I

Reflexive Concepts is seeking a skilled Information Systems Security Engineer (Level 1) to join our growing team!Reflexive Concepts is seeking a skilled Information Systems Security Engineer (ISSE) to engineer and validate security controls on mission-critical HPC environments — driving Assessment and Authorization, STIG implementation, and boundary integrity.Qualifications Seven (7) years of information systems security engineering experienceBachelor's Degree or higher in a related technical fieldAn additional five (5) years of information systems security engineering experience may be substituted for the degree, for a total of Twelve (12) years Required:RMF process and RMF tools: LATTEART, XACTA, BISCOTTI, WATCHCAT, STECompliance and configuration scanning toolsNIST SP 800-53r3 and/or r5; NIST SP 800-37Hands-on experience with Assessment and Authorization, security control traceability, boundary definition, artifacts and body of evidence, STIG implementation, false-positive validation, patch management, and technical validationActive TS/SCI clearance with full-scope polygraph (most recent poly within 7 years)Desired Skills:Continuous monitoring program experienceStrong collaboration habits with system administrators and system owners