{"id":693572,"url":"https://alion.io/job/centuria-information-system-security-engineer-iii","title":"Information System Security Engineer III","company":{"id":673206,"name":"Centuria","domain":"centuria.com","url":"https://alion.io/company/centuria","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":88,"open_postings":16,"ghost_share":0,"stale_share":0.5,"repost_share":0,"time_to_fill_p50_days":28,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Security","role_family":"Security","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Philadelphia, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":76000,"max_usd":144000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":502},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Windows Server","optional":false}],"status":"live","first_seen_at":"2025-10-02T14:59:42Z","employer_posted_date":"2025-10-02","last_verified_at":"2026-10-29T19:40:18Z","board_verified":true,"closed_at":null,"days_open":392,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":391},"description":"Job Title: Information System Security Engineer (ISSE) III\nLocation: Philadelphia, PA\nClearance: Secret\nCompany/ Program Description:\nCenturia, a Service-Disabled Veteran-Owned Small Business (SDVOSB), has been delivering IT, Engineering, and Scientific solutions to the Federal Government since 2002. During our two decades of service, we have earned the trust and respect of our government clients for the simple reason that we have great people who are experts in their fields and take pride and ownership in everything they do.\nJob Responsibilities:\nAssist with the developing, maintaining, and tracking Risk Management Framework (RMF) system security plans, which include System Categorization Forms, Platform Information Technology (PIT) Determina Checklists, Assess Only (AO) Determination Checklists, Implementation Plans, System Level Continuous Monitoring (SLCM) Strategies, System Level Policies, Hardware Lists, Software List, System Diagram Privacy Impact Assessments (PIA), and Plans of Action and Milestones (POA&M).\nExecute the RMF process in support of obtaining and maintaining Interim Authority to Test (IATT), AO approval, Authorization to Operate (ATO), and Denial of Authorization to Operate (DATO). Identify and tailor IT and Cyber Security (CS) control baselines based on RMF guidelines and categorization of the RMF boundary.\nPerform Ports, Protocols, and Services Management (PPSM). Perform IT and CS vulnerability-level risk assessments.\nExecute security control testing as required by a risk assessment or annual security review (ASR). Mitigate and remediate IT and CS system level vulnerabilities for all assets within the boundary per STIG requirements. Develop and maintain Plans of Actions and Milestones (POA&M) in Enterprise Mission Assurance Support Service (eMASS).\nDevelop and maintain system level IT and CS policies and procedures for respective RMF boundaries in accordance with guidance provided by the command ISSMs. Implement and assess STIG and SRGs.\nPerform and develop vulnerability assessments with automated tools such as Assured Compliance Assessment Solution (ACAS), Security Content Automation Protocol (SCAP) Compliance Check (SCC) and Ev STIG.\nDeploy security updates to Information System components.\nPerform routine audits of IT system hardware and software components. Maintain inventory of Information System components.\nParticipate in IT change control and configuration management processes.\nUpload vulnerability data in Vulnerability Remediation Asset Manager (VRAM). Image or re-image assets that are part of the assigned RMF boundary.\nInstall software and troubleshoot software issues as necessary to support compliance of the RMF boundaries’ assets.\nAssist with removal of Solid-State Drive (SSD), Hard Disk Drive (HDD) or other critical components of assets before destruction and removal from the RMF boundary.\nProvide cybersecurity patching of assets in response to DoD and DoN TASKORDs, FRAGORDs, or as required by Command ISSM, ACIO, and/or Code 104 management.\nSupport configuration change documentation and control processes and maintaining DOD STIG Compliance.\nSupport cyber compliance of assets that are part of an enterprise IT network to include Windows server and CISCO networking hardware. This includes assessing vulnerabilities, patching and meeting requirements the STIG for the hardware.\nReport compliance issues of network hardware to management to avoid operational loss of the network.\nJob Requirements:\nEducation: Bachelor’s degree in computer science, information technology, or an equivalent STEM l degree from an accredited college or university.\nExperience: Seven (7) years professional experience capturing and refining information security operational and security requirements and ensuring those requirements are properly addressed through purposeful development, and configuration, and implementing security controls, configuration changes, software/hardware updates/patches, vulnerability scanning, and securing configurations.\nMinimum Certification Requirement: IAT-III (CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH, CCSP)","description_format":"text","description_chars":4135,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Digital Government","Management Consulting"],"lifecycle":[{"event":"open","at":"2026-09-11T01:27:16Z"}],"visa":[],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.16,"p_room":0.28,"age_days":391,"expected_fill_days":28,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:"],"computed_at":"2026-10-29T05:49:05Z"},"pay":null,"html_url":"https://alion.io/job/centuria-information-system-security-engineer-iii","json_url":"https://alion.io/job/centuria-information-system-security-engineer-iii.json","meta":{"generated_at":"2026-10-29T20:15:20Z","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":30156,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":673206},"rest":"https://alion.io/mcp/rest/get_company?id=673206"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcenturia-information-system-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%2Fcenturia-information-system-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%2Fcenturia-information-system-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/centuria-information-system-security-engineer-iii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcenturia-information-system-security-engineer-iii"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":693572}},{"tool":"search_jobs","arguments":{"company":"centuria.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":693572},"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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