{"schemaVersion":"jobsearcher.job.v1","id":"744c6f3d7c7fbcbce5d5bab7","url":"https://jobsearcher.com/jobs/744c6f3d7c7fbcbce5d5bab7","canonicalUrl":"https://jobsearcher.com/jobs/744c6f3d7c7fbcbce5d5bab7","title":"Security Engineer (Infrastructure)","description":"gTANGIBLE Corporation (gTC), www.gtangible.com, is a C corporation and a registered Government contractor that provides services and solutions in:\nNational Security Programs\nProfessional, Administrative, and Management Support\nMission and Warfighter Support\n\nWe are a Service-Disabled Veteran-Owned Small Business (SDVOSB) and the founder has years of successful experience in the Government contracting arena. Our leadership team is an exceptional group of Government contracting professionals. gTANGIBLE is in the process of identifying candidates for the following position.\nRequisition Type: Full Time\nPosition Status: Contingent\nPosition Title: Security Engineer (Infrastructure)\nLocation: Arlington, VA\nSecurity Clearance: Secret\n\nDuties and Responsibilities\nThe Security Engineer (Infrastructure) supports this Transportation Security Administration Information Technology (TSA IT) Task Order (TO) by conducting Infrastructure Security Testing to include Operating System (OS), database, Network Fabric assets and Wireless Communications. Duties include the following:\nTests for continuous monitoring, continuous diagnostic & mitigation, Incidents of Compromise, and automated unendorsed scanning.\nMaintains and stays current with in-depth technical knowledge of operating system security testing tools in use by the Information Assurance & Cybersecurity Division (IAD), and testing techniques in general, to perform automated security testing, manual validation of automated results, and manual configuration validation of items not covered by automated testing, of operating systems on servers, workstations, appliances, and other similar assets.\nAssists with endpoint software, hardware, and operating system image security evaluations.\nBecomes familiar with TSA and DHS security policies and Technical Standards (TS) relating to the configuration and operation of operating system to facilitate effective security assessments.\nMakes recommendations for updates, additions, and modifications to TSA security policy as they are identified.\nEngages with stakeholders to gather all required information to create detailed test plans.\nConducts security infrastructure testing using manual and automated tools. Reviews and validates findings during security testing engagements.\nParticipates with stakeholders regarding findings meetings and responses.\nProvides Subject Matter Expertise on emerging web and mobile technologies, languages, and frameworks.\nProvides expertise and support on DHS Cyber Hygiene and external security audits conducted of the TSA.\nKnowledge and Qualifications\nAt least ten (10) years of technical IT security experience.\nAt least five (5) years of experience performing security assessments.\nAt least three (3) years of experience performing security assessments of Windows and Linux operating systems, databases, network devices, and wireless components.\nAt least one (1) year of experience performing security assessments for Federal IT systems.\nAbility to work independently/minimal oversight.\nExperience using automated tools: SuperScan, NMAP, Nessus, Tenable.sc, NIPPER, RedSeal, AppDetective, Aquafold Studio, Wireshark, Fluke Devices, NetStubler, Nikto.\nStrong understanding of NIST SP 800-53, NIST 800-97, and DISA STIGS.\nRequired Certifications: CISSP, CEH or other relevant certifications.\nExperience with Cisco switches, routers, firewalls, VPN, ISE; Palo Alto firewalls; Juniper firewalls, VPN; F5 BIG-IP GTM, LTM, HEM; DELL switches, and McAfee WebGateway.\nExperience with Microsoft SQL, Oracle, MySQL, DB2, Informix, Splunk, Elasticsearch, as well as Cloud-based databases such as Amazon DynamoDB and Azure SQL.\nExperience with Windows Server and Windows Desktop platforms, Unix, Linux, AIX, Solaris, MacOS and iOS.\nStrong organizational, analytical, and technical writing skills to be able to document findings in reports.\nExperience with Wi-Fi, Bluetooth, Near Field Communication (NFC), RFI, Infrared and other non-wired technologies.\nExperience with identifying and mitigating common security vulnerabilities such as OWASP Mobile Top 10 and SANS Top 25.\nExperience with scripting languages such as but not limited to Python, BASH, or PowerShell.\ngTANGIBLE Corporation is an equal opportunity employer and does not discriminate against any employee or applicant because of race, age, sex, color, physical or mental disability, religion, sexual orientation, marital status, national origin, or political affiliation.","company":"Gtangible","rawCompany":"gtangible","city":"Arlington","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-07-16T13:59:21.835Z","occupations":[{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541690","title":"Other Scientific and Technical Consulting Services","slug":"other-scientific-and-technical-consulting-services"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Security Engineer (Infrastructure)","description":"gTANGIBLE Corporation (gTC), www.gtangible.com, is a C corporation and a registered Government contractor that provides services and solutions in:\nNational Security Programs\nProfessional, Administrative, and Management Support\nMission and Warfighter Support\n\nWe are a Service-Disabled Veteran-Owned Small Business (SDVOSB) and the founder has years of successful experience in the Government contracting arena. Our leadership team is an exceptional group of Government contracting professionals. gTANGIBLE is in the process of identifying candidates for the following position.\nRequisition Type: Full Time\nPosition Status: Contingent\nPosition Title: Security Engineer (Infrastructure)\nLocation: Arlington, VA\nSecurity Clearance: Secret\n\nDuties and Responsibilities\nThe Security Engineer (Infrastructure) supports this Transportation Security Administration Information Technology (TSA IT) Task Order (TO) by conducting Infrastructure Security Testing to include Operating System (OS), database, Network Fabric assets and Wireless Communications. Duties include the following:\nTests for continuous monitoring, continuous diagnostic & mitigation, Incidents of Compromise, and automated unendorsed scanning.\nMaintains and stays current with in-depth technical knowledge of operating system security testing tools in use by the Information Assurance & Cybersecurity Division (IAD), and testing techniques in general, to perform automated security testing, manual validation of automated results, and manual configuration validation of items not covered by automated testing, of operating systems on servers, workstations, appliances, and other similar assets.\nAssists with endpoint software, hardware, and operating system image security evaluations.\nBecomes familiar with TSA and DHS security policies and Technical Standards (TS) relating to the configuration and operation of operating system to facilitate effective security assessments.\nMakes recommendations for updates, additions, and modifications to TSA security policy as they are identified.\nEngages with stakeholders to gather all required information to create detailed test plans.\nConducts security infrastructure testing using manual and automated tools. Reviews and validates findings during security testing engagements.\nParticipates with stakeholders regarding findings meetings and responses.\nProvides Subject Matter Expertise on emerging web and mobile technologies, languages, and frameworks.\nProvides expertise and support on DHS Cyber Hygiene and external security audits conducted of the TSA.\nKnowledge and Qualifications\nAt least ten (10) years of technical IT security experience.\nAt least five (5) years of experience performing security assessments.\nAt least three (3) years of experience performing security assessments of Windows and Linux operating systems, databases, network devices, and wireless components.\nAt least one (1) year of experience performing security assessments for Federal IT systems.\nAbility to work independently/minimal oversight.\nExperience using automated tools: SuperScan, NMAP, Nessus, Tenable.sc, NIPPER, RedSeal, AppDetective, Aquafold Studio, Wireshark, Fluke Devices, NetStubler, Nikto.\nStrong understanding of NIST SP 800-53, NIST 800-97, and DISA STIGS.\nRequired Certifications: CISSP, CEH or other relevant certifications.\nExperience with Cisco switches, routers, firewalls, VPN, ISE; Palo Alto firewalls; Juniper firewalls, VPN; F5 BIG-IP GTM, LTM, HEM; DELL switches, and McAfee WebGateway.\nExperience with Microsoft SQL, Oracle, MySQL, DB2, Informix, Splunk, Elasticsearch, as well as Cloud-based databases such as Amazon DynamoDB and Azure SQL.\nExperience with Windows Server and Windows Desktop platforms, Unix, Linux, AIX, Solaris, MacOS and iOS.\nStrong organizational, analytical, and technical writing skills to be able to document findings in reports.\nExperience with Wi-Fi, Bluetooth, Near Field Communication (NFC), RFI, Infrared and other non-wired technologies.\nExperience with identifying and mitigating common security vulnerabilities such as OWASP Mobile Top 10 and SANS Top 25.\nExperience with scripting languages such as but not limited to Python, BASH, or PowerShell.\ngTANGIBLE Corporation is an equal opportunity employer and does not discriminate against any employee or applicant because of race, age, sex, color, physical or mental disability, religion, sexual orientation, marital status, national origin, or political affiliation.","datePosted":"2026-07-16T13:59:21.835Z","dateModified":"2026-07-16T13:59:21.835Z","hiringOrganization":{"@type":"Organization","name":"Gtangible","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Arlington","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"744c6f3d7c7fbcbce5d5bab7"},"url":"https://jobsearcher.com/jobs/744c6f3d7c7fbcbce5d5bab7"}}