{"id":665436,"url":"https://alion.io/job/cti-md-information-systems-security-engineer-isse-fully-cleared-with-polygraph-required","title":"Information Systems Security Engineer (ISSE) - FULLY CLEARED with POLYGRAPH REQUIRED","company":{"id":673039,"name":"Cyber, Data Analytics & Engineering Services","domain":"cti-md.com","url":"https://alion.io/company/cti-md","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":89,"open_postings":27,"ghost_share":0,"stale_share":0.259,"repost_share":0,"time_to_fill_p50_days":99,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Annapolis Junction, United 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polygraph are required for the position.\nRequired:\nMust be a US Citizen\nMust have TS/SCI clearance w/ active polygraph\nBachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline.\nMust have twelve (12) years of experience working as an ISSE on a large technical program.\nMust have a solid understanding of security practices and policies and hands-on vulnerability testing experience using Customer tools.\nMust have experience applying Risk Management Framework.\nMust have experience formulating and assessing IT security policy.\nMust have demonstrated knowledge of and experience with common security tools, such as Nessus, NMAP and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services.\nMust have experience with secure configurations of commonly used desktop and server operating systems.\nMust be comfortable working on multiple systems and 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