{"id":71166,"url":"https://alion.io/job/sosi-cybersecurity-security-engineer-iii","title":"Cybersecurity Security Engineer III","company":{"id":5998,"name":"SOSi","domain":"sosi.com","url":"https://alion.io/company/sosi","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"C","score":58,"open_postings":219,"ghost_share":0.703,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":31,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Security","role_family":"Security","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Washington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":80000,"max_usd":153000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":502},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-06-04T17:10:56Z","employer_posted_date":"2026-06-04","last_verified_at":"2026-11-01T02:54:54Z","board_verified":true,"closed_at":null,"days_open":149,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":148},"description":"Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.\n *** This position is contingent upon contract award ***\nOverview\nSOSi is seeking a Cybersecurity Security Engineer III to support cybersecurity engineering activities in alignment with our customer. This role is responsible for supporting security architecture, engineering, technology integration, and modernization initiatives across enterprise cyber defense environments, including Zero Trust, cloud security, DevSecOps, and emerging technologies.\nResponsibilities\n· Support cybersecurity engineering and security architecture activities across enterprise environments\n· Support design and integration of Zero Trust Architecture (ZTA) capabilities and security controls\n· Develop and support technology roadmaps, engineering recommendations, market research, and proofs of concept\n· Support engineering and integration of cloud security, secure authentication, and single sign-on (SSO) capabilities\n· Support DevSecOps practices and secure technology integration activities\n· Support security engineering activities involving vulnerability scanning tools, cyber defense technologies, and enterprise security platforms\n· Support engineering and integration of AI/GenAI-related security capabilities\n· Support post-quantum cryptography concepts, cryptographic inventory activities, and PQC-enabled protocols\n· Support development and implementation of security CONOPS and engineering documentation\n· Use scripting and automation to support engineering, integration, and security operations activities\n· Experience:\nTen (10) or more years of cybersecurity engineering and/or project management experience\nTwo (2) or more years of leadership experience\nExperience supporting cybersecurity design and integration\nExperience supporting Zero Trust Architecture (ZTA)\nExperience developing technology roadmaps, conducting market research, and supporting proofs of concept\nExperience supporting security architecture and CONOPS\nExperience supporting cloud security\nExperience supporting AI/GenAI security integration\nExperience supporting DevSecOps\nExperience supporting vulnerability scanning tools\nExperience supporting secure authentication and SSO\nExperience supporting post-quantum cryptography concepts and PQC-enabled protocols\nExperience with scripting and automation\n· Education:\nBachelor’s Degree in engineering, information systems, cybersecurity, or equivalent experience as defined by role requirements\n· Certifications:\nAt least one of:\nSecurity+ \nCCNA \nSSCP \nAnd one of:\nCISSP \nCISSP-ISSAP \nCISSP-ISSEP \nCCSP\nGCIA\nGDSA\nGCCC\nGCPN\nGCIH\n Clearance/Suitability: Secret (eligible)\nWork Environment\nNormal office conditions with potential to perform duties in deployed locations.\nCore hours of operation are Monday through Friday, 0600 - 1700.\nMay be requested to work evenings and weekends to meet program and contract needs.\nWorking at SOSi\nAll interested individuals will receive consideration and will not be discriminated against for any reason.","description_format":"text","description_chars":3223,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Information Security","IT Infrastructure & Networking Services","Military Logistics"],"lifecycle":[{"event":"open","at":"2026-06-04T17:10:56Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.191,"p_room":0.28,"age_days":149,"expected_fill_days":31,"reasons":["conf:3","stale_co","velocity","ghost","win:tail","crowd:brand"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/sosi-cybersecurity-security-engineer-iii","json_url":"https://alion.io/job/sosi-cybersecurity-security-engineer-iii.json","meta":{"generated_at":"2026-11-01T06:19:23Z","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":9816,"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":5998},"rest":"https://alion.io/mcp/rest/get_company?id=5998"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsosi-cybersecurity-security-engineer-iii"},{"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%2Fsosi-cybersecurity-security-engineer-iii"},{"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%2Fsosi-cybersecurity-security-engineer-iii"},{"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/sosi-cybersecurity-security-engineer-iii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsosi-cybersecurity-security-engineer-iii"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":71166}},{"tool":"search_jobs","arguments":{"company":"sosi.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":71166},"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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