{"schemaVersion":"jobsearcher.job.v1","id":"9bf714eae3b64bb93da888ee","url":"https://jobsearcher.com/jobs/9bf714eae3b64bb93da888ee","canonicalUrl":"https://jobsearcher.com/jobs/9bf714eae3b64bb93da888ee","title":"Information Systems Security Engineer (ISSE)","description":"PLEX Solutions, LLC is seeking a Sr. Information Systems Security Engineer (ISSE) who will perform and/or review technical assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations, and recommend mitigation strategies. Key responsibilities include:\n\n-Validate and verify systems security requirements definitions and analysis and establishes system security designs.\n\n-Design, develop, implement and/or integrate IA and security systems and system components including those with multiple enclaves and differing data protection/classification requirements.\n\n-Build IA into systems deployed to operational environments.\n\n-Assess and mitigate systems security threats/risks throughout the program life cycle.\n\n-Contribute to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations.\n\n-Review certification and accreditation (C&A) documentation, providing feedback on completeness and compliance of its content.\n\n*Qualifications*\n* Vulnerability management\n* Security analysis\n* Vulnerability assessment\n\n*Qualifications*\n* IAT Level III (ISSEP)\n* Minimum of 20 or more years of experience as an ISSE on programs and contracts of a similar type, scope and complexity is required.\n* Bachelors degree in Computer Science, Information Assurance, Information Security or Systems Engineering or related discipline from an accredited college or university is required\n* An active TS/SCI with Polygraph is a must.\n\nPay range is $200K - 260K.\n\nJob Type: Full-time\n\nPay: $200,000.00 - $260,000.00 per year\n\nBenefits:\n* 401(k)\n* 401(k) matching\n* Dental insurance\n* Flexible schedule\n* Flexible spending account\n* Health insurance\n* Life insurance\n* Paid time off\n* Professional development assistance\n* Referral program\n* Retirement plan\n* Tuition reimbursement\nCompensation Package:\n* Bonus opportunities\n* Yearly pay\nSchedule:\n* 8 hour shift\n* Monday to Friday\n\nWork Location: In person","company":"Plexsolutionsllc","rawCompany":"plexsolutionsllc","city":"Annapolis Junction","state":"MD","isRemote":false,"isActive":false,"createdAt":"2026-08-22T13:04:24.839Z","occupations":[{"code":"15-1212.00","title":"Information Security Analysts","slug":"information-security-analysts"},{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"13-1199.07","title":"Security Management Specialists","slug":"security-management-specialists"}],"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":"Information Systems Security Engineer (ISSE)","description":"PLEX Solutions, LLC is seeking a Sr. Information Systems Security Engineer (ISSE) who will perform and/or review technical assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations, and recommend mitigation strategies. Key responsibilities include:\n\n-Validate and verify systems security requirements definitions and analysis and establishes system security designs.\n\n-Design, develop, implement and/or integrate IA and security systems and system components including those with multiple enclaves and differing data protection/classification requirements.\n\n-Build IA into systems deployed to operational environments.\n\n-Assess and mitigate systems security threats/risks throughout the program life cycle.\n\n-Contribute to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations.\n\n-Review certification and accreditation (C&A) documentation, providing feedback on completeness and compliance of its content.\n\n*Qualifications*\n* Vulnerability management\n* Security analysis\n* Vulnerability assessment\n\n*Qualifications*\n* IAT Level III (ISSEP)\n* Minimum of 20 or more years of experience as an ISSE on programs and contracts of a similar type, scope and complexity is required.\n* Bachelors degree in Computer Science, Information Assurance, Information Security or Systems Engineering or related discipline from an accredited college or university is required\n* An active TS/SCI with Polygraph is a must.\n\nPay range is $200K - 260K.\n\nJob Type: Full-time\n\nPay: $200,000.00 - $260,000.00 per year\n\nBenefits:\n* 401(k)\n* 401(k) matching\n* Dental insurance\n* Flexible schedule\n* Flexible spending account\n* Health insurance\n* Life insurance\n* Paid time off\n* Professional development assistance\n* Referral program\n* Retirement plan\n* Tuition reimbursement\nCompensation Package:\n* Bonus opportunities\n* Yearly pay\nSchedule:\n* 8 hour shift\n* Monday to Friday\n\nWork Location: In person","datePosted":"2026-08-22T13:04:24.839Z","dateModified":"2026-08-22T13:04:24.839Z","hiringOrganization":{"@type":"Organization","name":"Plexsolutionsllc","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Annapolis Junction","addressRegion":"MD","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"9bf714eae3b64bb93da888ee"},"url":"https://jobsearcher.com/jobs/9bf714eae3b64bb93da888ee"}}