{"id":4283107,"url":"https://alion.io/job/pgtek-security-engineer-vulnerability-management-acastenable-sc-secret-clearance","title":"Security Engineer, Vulnerability Management (ACAS/Tenable.sc) - Secret clearance","company":{"id":686033,"name":"PGTEK","domain":"pgtek.com","url":"https://alion.io/company/pgtek","size_band":"51-200","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":89,"open_postings":7,"ghost_share":0,"stale_share":0.429,"repost_share":0,"time_to_fill_p50_days":24,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Security","role_family":"Security","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Montgomery, United States","Ogden, United States","Oklahoma City, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":130000,"max":160000,"currency":"USD","period":"year","gross":null,"usd_annual":160000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"Nessus","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-11-13T20:58:56Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-13T20:58:56Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Security Engineer, Vulnerability Management (ACAS/Tenable.sc)\nAbout the Role\nPGTEK is seeking a Security Engineer, Vulnerability Management with a Secret clearance (or higher) to administer and optimize our Tenable.sc/ACAS environment, drive vulnerability remediation across enterprise systems, and support compliance with DoD STIG and RMF requirements.\nThis is a hands-on role that combines deep Tenable platform expertise with Windows/Linux administration, vulnerability analysis, system hardening, and cross-team collaboration. The ideal candidate will have experience working in a DoD or federal environment and be comfortable managing vulnerability scanning and remediation across complex enterprise environments.\nKey Responsibilities\nTenable Security Center / ACAS\nAdminister and optimize Tenable.sc and Nessus, including scan policies, scan zones, repositories, credentials, and audit files.\nPerform credentialed vulnerability scans, STIG compliance scans, discovery scans, and port scans.\nAnalyze and interpret STIGs, CKLs, ACAS/Tenable findings, and vulnerability results to support compliance and risk reduction.\nLeverage Windows and Linux administration skills to support and troubleshoot authenticated vulnerability scanning.\nConduct false-positive analysis and validation to ensure accurate vulnerability reporting.\nCollaborate with Cloud, Network, Platform, Security, and Engineering teams to drive vulnerability remediation and system hardening.\nVulnerability Coverage & Asset Discovery\nIdentify and close gaps in vulnerability scan coverage to ensure comprehensive visibility across the environment.\nPerform asset discovery and maintain accurate inventories to ensure all in-scope systems are included in scanning cycles.\nAnalyze scan results to identify coverage gaps, unscanned assets, and compliance blind spots.\nRecommend corrective actions to improve vulnerability visibility, scanning effectiveness, and overall security posture\nRequirements\n5+ years of experience in vulnerability management, information assurance, or systems security, preferably within a DoD or federal environment.\nHands-on experience administering Tenable.sc, Nessus, and ACAS in a DoD or federal environment.\nWorking knowledge of DoD STIGs, CKLs, and RMF processes.\nStrong Windows and Linux administration experience.\nActive DoD Secret clearance required; clearance must be current and verifiable.\nDoD 8570/8140 IAT Level II baseline certification required, such as:\nCompTIA Security+ CE\nCySA+\nGSEC\nSSCP\nCCNA-Security\nStrong written and verbal communication skills with the ability to collaborate effectively across technical teams.\nWork Location & Travel\nThis is a hybrid position. Candidates must live within approximately 90 minutes of one of the following locations:\nMechanicsburg, PA\nOgden, UT\nOklahoma City, OK\nMontgomery, AL\nFort Meade, MD\nApproximately 25% travel may be required to DISA locations.\nCompensation & Benefits\nSalary Range: $130,000-$160,000\nPGTEK offers the opportunity to work on long-term federal technology programs while supporting mission-critical cybersecurity and infrastructure initiatives.\nContract Length: 10 years\nStart Date: ASAP\nBenefits\nOur comprehensive benefits package for full-time salaried employees is effective immediately upon the start date. Benefits include comprehensive PPO medical coverage with access to a Health Savings Account (HSA) option, a vision plan, and dental insurance with the base dental plan option paid for by PGTEK. Life Insurance, Short and Long-Term disability, and Critical Illness insurance have premiums covered. Additionally, PGTEK offers a matching 401(k) plan and a discount on pet insurance through ASPCA Pet Insurance. An Employee Assistance Program is available at no cost to all employees. PGTEK offers a generous amount of PTO and Holidays, and an Education Assistance Program is available after 12 months of employment.\nABOUT PGTEK\nPGTEK is a true consulting organization dedicated to helping clients achieve their business and technology objectives utilizing our decades of experience and business relationships. PGTEK invests in the educational advancements of our staff by providing the necessary resources to complete Professional and Business Certifications. Our company is our people, and we treat them like family.\nEOE, including disability/veterans","description_format":"text","description_chars":4330,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":["Dental insurance","Education assistance","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"},{"name":"Utah","iso":null,"kind":"city"},{"name":"Pennsylvania","iso":null,"kind":"city"},{"name":"Maryland","iso":null,"kind":"city"},{"name":"Oklahoma","iso":null,"kind":"city"},{"name":"Alabama","iso":null,"kind":"city"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Endpoint Security","Information Security","Vulnerability Management","Systems Integrators"],"lifecycle":[{"event":"open","at":"2026-11-13T20:58:56Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":24,"reasons":["conf:3","win:early"],"computed_at":"2026-11-14T00:11:38Z"},"pay":{"stated_usd_annual":160000,"is_top_pay":false},"html_url":"https://alion.io/job/pgtek-security-engineer-vulnerability-management-acastenable-sc-secret-clearance","json_url":"https://alion.io/job/pgtek-security-engineer-vulnerability-management-acastenable-sc-secret-clearance.json","meta":{"generated_at":"2026-11-14T00:11:38Z","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":418,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-15T00:00:00Z"}},"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":686033},"rest":"https://alion.io/mcp/rest/get_company?id=686033"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpgtek-security-engineer-vulnerability-management-acastenable-sc-secret-clearance"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Fpgtek-security-engineer-vulnerability-management-acastenable-sc-secret-clearance"},{"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%2Fpgtek-security-engineer-vulnerability-management-acastenable-sc-secret-clearance"},{"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/pgtek-security-engineer-vulnerability-management-acastenable-sc-secret-clearance\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpgtek-security-engineer-vulnerability-management-acastenable-sc-secret-clearance"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4283107}},{"tool":"search_jobs","arguments":{"company":"pgtek.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4283107},"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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