{"schemaVersion":"jobsearcher.job.v1","id":"d501d07c27021bdf34c3e76d","url":"https://jobsearcher.com/jobs/d501d07c27021bdf34c3e76d","canonicalUrl":"https://jobsearcher.com/jobs/d501d07c27021bdf34c3e76d","title":"Senior Information System Security Engineer","description":"Open Systems Technologies Corporation is seeking a Senior Information System Security Engineer to provide support for the FBI. Information System Security Engineer (ISSE) activities shall include at a minimum:Identify information protection needs for an IS and Network EnvironmentDefine IS and Network Environment security requirements in accordance with applicable cybersecurity requirementsDesign security architectures for use within the IS and Network EnvironmentDesign and develop cybersecurity-enabled products for use within an IS and Network EnvironmentIntegrate and/or implement security with Cross Domain Solutions (CDS) for use within an IS and Network EnvironmentDevelop and implement security designs for new or existing network system(s). Ensure that the design of hardware, operating systems, and software applications adequately address cybersecurity requirements for the IS and Network EnvironmentDesign, develop, and implement network security measures that provide confidentiality, integrity, availability, authentication, and non-repudiationDesign, develop, and implement specific cybersecurity countermeasures for the IS and Network EnvironmentDevelop interface specifications for the IS and Network EnvironmentDevelop approaches to mitigate IS and Network Environment vulnerabilities and recommend changes to network or network system components as neededEnsure that network system(s) designs support the incorporation of FBI directed cybersecurity vulnerability solutions Qualifications:CLEARANCE: Top Secret required; SCI eligibility preferredFamiliarity with the use and operation of security tools including Tenable Nessus and/or Security Center, IBM Guardium, HP WeblInspect, Network Mapper (NMAP), and/or similar applications.Hold at least one of the following certifications: One of the following certifications is required to meet the category/level ISSE-2 (DOD 8570) requirement for this position: CASP+ CE, CISSP (or Associate), CSSLP, CISSP-ISSAP, CISSP-ISSEP, or CCSPBachelor’s and advanced degree in Computer Science, Cybersecurity, or other cyber discipline is preferred; plus minimum 8 years’ experience, or equivalent education/experience; Doctorate plus 6 years; Master’s plus 6 years; Associates plus 10 years; or H.S./GED plus 14 years.BenefitsOur company OST has been operating since 1996 and have various contracts with Government agencies. We offer a comprehensive benefit package that includes 3 weeks paid time off, 2 weeks Holiday pay, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end of year profit sharing paid out in 401k.","company":"Open Systems Technologies","rawCompany":"open systems technologies","city":"Washington","state":"DC","isRemote":false,"isActive":false,"createdAt":"2026-09-10T09:05:03.571Z","occupations":[{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1212.00","title":"Information Security Analysts","slug":"information-security-analysts"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"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":"561621","title":"Security Systems Services (except Locksmiths)","slug":"security-systems-services-except-locksmiths"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Information System Security Engineer","description":"Open Systems Technologies Corporation is seeking a Senior Information System Security Engineer to provide support for the FBI. Information System Security Engineer (ISSE) activities shall include at a minimum:Identify information protection needs for an IS and Network EnvironmentDefine IS and Network Environment security requirements in accordance with applicable cybersecurity requirementsDesign security architectures for use within the IS and Network EnvironmentDesign and develop cybersecurity-enabled products for use within an IS and Network EnvironmentIntegrate and/or implement security with Cross Domain Solutions (CDS) for use within an IS and Network EnvironmentDevelop and implement security designs for new or existing network system(s). Ensure that the design of hardware, operating systems, and software applications adequately address cybersecurity requirements for the IS and Network EnvironmentDesign, develop, and implement network security measures that provide confidentiality, integrity, availability, authentication, and non-repudiationDesign, develop, and implement specific cybersecurity countermeasures for the IS and Network EnvironmentDevelop interface specifications for the IS and Network EnvironmentDevelop approaches to mitigate IS and Network Environment vulnerabilities and recommend changes to network or network system components as neededEnsure that network system(s) designs support the incorporation of FBI directed cybersecurity vulnerability solutions Qualifications:CLEARANCE: Top Secret required; SCI eligibility preferredFamiliarity with the use and operation of security tools including Tenable Nessus and/or Security Center, IBM Guardium, HP WeblInspect, Network Mapper (NMAP), and/or similar applications.Hold at least one of the following certifications: One of the following certifications is required to meet the category/level ISSE-2 (DOD 8570) requirement for this position: CASP+ CE, CISSP (or Associate), CSSLP, CISSP-ISSAP, CISSP-ISSEP, or CCSPBachelor’s and advanced degree in Computer Science, Cybersecurity, or other cyber discipline is preferred; plus minimum 8 years’ experience, or equivalent education/experience; Doctorate plus 6 years; Master’s plus 6 years; Associates plus 10 years; or H.S./GED plus 14 years.BenefitsOur company OST has been operating since 1996 and have various contracts with Government agencies. We offer a comprehensive benefit package that includes 3 weeks paid time off, 2 weeks Holiday pay, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end of year profit sharing paid out in 401k.","datePosted":"2026-09-10T09:05:03.571Z","dateModified":"2026-09-10T09:05:03.571Z","hiringOrganization":{"@type":"Organization","name":"Open Systems Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Washington","addressRegion":"DC","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d501d07c27021bdf34c3e76d"},"url":"https://jobsearcher.com/jobs/d501d07c27021bdf34c3e76d"}}