{"id":3979705,"url":"https://alion.io/job/sosi-cyber-security-engineer-sme","title":"Cyber Security Engineer SME","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":65,"open_postings":213,"ghost_share":0.582,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":44,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Security","role_family":"Security","seniority":"senior","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":{"min":119803,"max":248822,"currency":"USD","period":"year","gross":null,"usd_annual":248822},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"MITRE ATT&CK","optional":false},{"name":"MITRE D3FEND","optional":false},{"name":"TCP/IP","optional":false}],"status":"live","first_seen_at":"2026-11-09T14:34:32Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-11T17:08:23Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":1},"description":"Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics.\n *** This position is contingent upon contract award ***\nOverview\nSOSI is seeking a Senior Cybersecurity Engineer to serve as a technical subject matter expert supporting an enterprise cyber defense program for a federal customer. This senior, highly visible role sits at the intersection of security engineering, architecture, and operations. It shapes how the customer evaluates, integrates, and matures its defensive capabilities. The ideal candidate combines hands-on engineering depth with the judgment to advise government stakeholders on emerging threats and technologies. This position is located in the Washington, DC metropolitan area and requires the ability to obtain a Secret clearance.\nJob Description\nThe Senior Cybersecurity Engineer serves as a trusted technical advisor across a broad defensive cybersecurity portfolio. In this role, you will assess the customer’s security architecture, identify gaps, and design practical solutions that strengthen detection, response, and protection across on-premises, cloud, and mobile environments. You will lead technical evaluations and proofs of concept for new security technologies and translate findings into clear recommendations for leadership.\nYou will work closely with security operations, engineering, and system owner teams. Together, you will turn operational needs into defined security requirements and controls, help integrate security into development and deployment pipelines. The role also supports the customer’s adoption of emerging technology areas, including AI-enabled capabilities and cryptographic modernization. Success in this position requires technical breadth, sound engineering judgment, and the ability to communicate complex security concepts to both technical and non-technical audiences.\nResponsibilities\nServe as a senior technical advisor on enterprise security architecture, engineering, and defensive operations\nConduct security architecture reviews, identify gaps, and develop risk management recommendations\nTranslate operational and mission requirements into security requirements, control baselines, and concepts of operation\nPlan, integrate, and tune security tooling across monitoring, detection, automation, and threat intelligence platforms\nLead market research, technical evaluations, and proofs of concept for emerging cybersecurity technologies\nSupport the security of cloud environments (IaaS, PaaS, SaaS) and integrate security practices into DevSecOps pipelines\nProvide security engineering support for identity, authentication, and mobile security initiatives\nSupport cryptographic modernization efforts, including discovery, inventory, and planning for next-generation encryption standards\nAdvise on the secure adoption of AI and generative AI technologies\nApply incident response methods and support complex investigations as a technical escalation resource\nDevelop scripts and automation to improve efficiency in security engineering and operations tasks\nProduce clear technical documentation, briefings, and recommendations for government and program leadership\nMentor team members and contribute to continuous improvement of engineering processes\n Experience:\nFive (5) years security-related experience\nRequired:Experience implementing tools and processes to support comprehensive offensive and defensive cybersecurity solutions to identify, detect and mitigate sophisticated cybersecurity threats\nExperience with incident response methodologies, categories and timelines, cyber defense policies and procedures and the ability to perform damage assessments determine remediation paths\nExperience in intrusion and threat detection methodologies for cloud, host, network and mobile environments\nExperience in the use and tuning of security event correlation tools\nUnderstanding of attack classes, attack stages and adversary behaviors\nKnowledge of MITRE ATT&CK and D3FEND frameworks and the ability to map those to enterprise cybersecurity tool implementations and investments\n\nDesired:Experience with digital media analysis and digital forensics\nExperience conducting static and dynamic analysis (sandboxing, reverse engineering) of malicious binaries to understand adversary TTPs, identify C2 infrastructure and extract IOCs\nExperience correlating forensic findings with SOC alerts, threat intelligence, and adversary TTPs\nKnowledge of network security architecture, topology and communication principles\nUnderstanding of network protocols (TCP/IP, DHCP, DNS, directory services)\nUnderstanding of clous service models and their impact on incident response capabilities\nKnowledge of system administration, OS hardening and application security threats\n\nEducation: Bachelor’s Degree\n Certifications: Any 1 of: CISSP (associate), CCSP, SSCP, GMON, GCIH, GCIA, or equivalent GIAC certification, CEH, CASP AND any 1 from the CSSP Analyst, Infrastructure Support, or IR from the DOD 8140 list (or other similar certifications as approved by Government)\n Clearance/Suitability: Secret (active); Top Secret, SCI Clearance (eligible)\n Work 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":5743,"description_truncated":false,"requirements":{"experience_years_min":5,"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","IT Infrastructure & Networking Services","Military Logistics","Information Security"],"lifecycle":[{"event":"open","at":"2026-11-09T19:19:17Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":1,"expected_fill_days":44,"reasons":["conf:2","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-11-11T05:49:22Z"},"pay":{"stated_usd_annual":248822,"is_top_pay":true},"html_url":"https://alion.io/job/sosi-cyber-security-engineer-sme","json_url":"https://alion.io/job/sosi-cyber-security-engineer-sme.json","meta":{"generated_at":"2026-11-11T20:58:43Z","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":40973,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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-cyber-security-engineer-sme"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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-cyber-security-engineer-sme"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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-cyber-security-engineer-sme"},{"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-cyber-security-engineer-sme\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsosi-cyber-security-engineer-sme"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3979705}},{"tool":"search_jobs","arguments":{"company":"sosi.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3979705},"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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