{"schemaVersion":"jobsearcher.job.v1","id":"688f72f964086df2a4e51b10","url":"https://jobsearcher.com/jobs/688f72f964086df2a4e51b10","canonicalUrl":"https://jobsearcher.com/jobs/688f72f964086df2a4e51b10","title":"Information Systems Security Engineer I","description":"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","company":"Reflexive Concepts","rawCompany":"reflexive concepts","city":"Wilton","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-05-06T08:34:56.657Z","occupations":[{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1212.00","title":"Information Security Analysts","slug":"information-security-analysts"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"},{"code":"541690","title":"Other Scientific and Technical Consulting Services","slug":"other-scientific-and-technical-consulting-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Information Systems Security Engineer I","description":"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","datePosted":"2026-05-06T08:34:56.657Z","dateModified":"2026-05-06T08:34:56.657Z","hiringOrganization":{"@type":"Organization","name":"Reflexive Concepts","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Wilton","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"688f72f964086df2a4e51b10"},"url":"https://jobsearcher.com/jobs/688f72f964086df2a4e51b10"}}