{"id":1118127,"url":"https://alion.io/job/peraton-sr-information-systems-security-engineer-isse-advisor-tssci-wpoly","title":"Sr Information Systems Security Engineer (ISSE), Advisor - TS/SCI w/poly","company":{"id":722,"name":"Peraton","domain":"peraton.com","url":"https://alion.io/company/peraton","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":20,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":12,"computed_at":"2026-11-01T06:10:25Z"}},"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":["Quantico, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":146000,"max":234000,"currency":"USD","period":"year","gross":null,"usd_annual":234000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-22T17:37:05Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-11-01T07:23:57Z","board_verified":true,"closed_at":null,"days_open":39,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":39},"description":"Responsibilities\nPeraton is seeking an Information Systems Security Engineer - to support its Federal Strategic Cyber programs.\nLocation: Quantico, VA\nIn this role, you will:\nLead, mentor, and supervise a team of contractor security professionals responsible for the end-to-end implementation of the RMF lifecycle for IT systems. \nOversee and coordinate activities within the Prepare step, ensuring roles, responsibilities, and risk management strategies are clearly defined and maintained. \nGuide system categorization efforts to ensure all information systems are appropriately classified based on mission/business impact and regulatory requirements. \nAdvise on the selection, tailoring, and documentation of security controls aligned with system categorizations, risk appetite, and compliance requirements. \nOversee the implementation of technical, operational, and management controls throughout system and application lifecycles, with a particular focus on quality and completeness of all deliverables. \nEnsure comprehensive security control assessments are planned, executed, and documented to validate the effectiveness of implemented safeguards. \nPrepare risk management documentation for system authorization and executive decision-making. \nDirect ongoing monitoring and continuous assessment activities, collecting metrics to adjust security strategies and ensure sustained compliance. \nServe as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts. \nFoster a culture of security awareness, providing technical guidance and training to both team members and stakeholders. \nTrack, report, and communicate status, risks, and improvement opportunities related to security engineering activities to leadership and stakeholders. \nMaintain up-to-date knowledge of RMF, NIST guidance, and industry best practices in support of continuous process improvement.\nQualifications\nRequired Qualifications:\nBachelor’s degree and 8 years of experience in secure design, analysis, and test of information security systems and products.\n8 years of experience applying methods, standards and approaches for ensuring baseline security safeguards are appropriately implemented and documented\n8 years of experience creating and updating security test plans for detecting and mitigating risk to information systems\nMust meet DoD 8140.03 Advanced proficiency aligned to Security Architect (Work Role 652) or Security Control Assessor (Work Role 612).\nMust have a CISSP or CEH and 1 of the following certifications:CCNP Enterprise, CISM, CISSP-ISSAP, CISSP-ISSEP, GCIA, GDSA, GICSP OR\nAdvanced degree from the list below:Doctorate - Computer Science\nDoctorate - Cybersecurity\nDoctorate - Data Science\nDoctorate - Information Systems\nDoctorate - Information Technology\nDoctorate - Software Engineering\nMaster of Science - Strategic Information and Cyberspace Studies (NDU CIC)\nMasters - Computer Science\nMasters - Cybersecurity\nMasters - Data Science\nMasters - Information Systems\nMasters - Information Technology\nMasters - Software Engineering\n\nActive TS/SCI security clearance is required with the ability to obtain a polygraph.\nPreferred:\nCloud certification\nPeraton Overview\nPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.\nTarget Salary Range\n$146,000 - $234,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.EEO\nEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.","description_format":"text","description_chars":4730,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Penetration Testing","National Security","Homeland Security"],"lifecycle":[{"event":"open","at":"2026-09-22T17:37:05Z"}],"visa":[],"liveness":{"score":21,"band":"cold","label":"Long shot","p_open":1,"p_active":0.601,"p_room":0.35,"age_days":39,"expected_fill_days":12,"reasons":["conf:2","velocity","win:tail","comp:brand"],"computed_at":"2026-11-01T06:10:25Z"},"pay":{"stated_usd_annual":234000,"is_top_pay":true},"html_url":"https://alion.io/job/peraton-sr-information-systems-security-engineer-isse-advisor-tssci-wpoly","json_url":"https://alion.io/job/peraton-sr-information-systems-security-engineer-isse-advisor-tssci-wpoly.json","meta":{"generated_at":"2026-11-01T09:45:40Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":15077,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":722},"rest":"https://alion.io/mcp/rest/get_company?id=722"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fperaton-sr-information-systems-security-engineer-isse-advisor-tssci-wpoly"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fperaton-sr-information-systems-security-engineer-isse-advisor-tssci-wpoly"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fperaton-sr-information-systems-security-engineer-isse-advisor-tssci-wpoly"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/peraton-sr-information-systems-security-engineer-isse-advisor-tssci-wpoly\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fperaton-sr-information-systems-security-engineer-isse-advisor-tssci-wpoly"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1118127}},{"tool":"search_jobs","arguments":{"company":"peraton.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1118127},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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