• Senior Principal Information Systems Security…

    Concurrent Technologies Corporation (Columbia, MD)
    …8 years of directly related experience. + Fourteen (14) years' experience as an ISSE on programs and contracts of similar scope, type, and complexity within the ... Federal Government is required + The Information Systems Security Engineer shall perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA)… more
    Concurrent Technologies Corporation (01/08/26)
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  • Information System Security Engineer

    Leidos (Orlando, FL)
    …next career challenge?** Leidos is seeking an Information System Security Engineer ( ISSE ) to collaborate with the Information System Security Manager (ISSM) serving ... as a subject matter expert in advanced technical principles, theories, and concepts in Security Engineering, including operations, engineering, technical and program management support services, and RMF/ATO compliance to support cyber-related operations.… more
    Leidos (01/08/26)
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  • Full Spectrum Cyber Solutions SME

    General Dynamics Information Technology (Herndon, VA)
    …specifically NIST, 5+ years and at least two granted ATOs where ISSE functions were performed. + Solution and architecture development concepts and processes, ... 5+ years. Includes leading technical volumes. + Functional understanding of USG authorities and how they collaborate to achieve mission outcomes. + Proven ability to lead development of technical data packages such as a system description, Interface Control… more
    General Dynamics Information Technology (01/06/26)
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  • Security Control Assessor

    BOOZ, ALLEN & HAMILTON, INC. (San Antonio, TX)
    …direction. Mentor and supervise team members. Basic Qualifications: + Experience in an ISSE , ISSO, or IT role + Experience with HBSS or Trellix, Active Directory, ... and Group Policy + Experience with Security Technical Implementation Guide ( STIG ) + Experience with vulnerability management, including ACAS, Nessus, NexPose, or OpenVAS + Experience administering, maintaining, and implementing upgrades and ensuring the… more
    BOOZ, ALLEN & HAMILTON, INC. (01/05/26)
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  • Senior Principal Cyber Systems Engineer

    Serco (Orlando, FL)
    …Guidance (JSIG) + Prior experience as an Information Systems Security Engineer ( ISSE ) + Possess cloud certifications such as AWS Security Specialty, Azure Security ... Engineer, or CCSP + Experience engineering security solutions using Artificial Intelligence (AI) + Possess an active DoD Top Secret security clearance If you are interested in supporting and working with a passionate Serco team- then submit your application… more
    Serco (01/03/26)
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  • Information System Security Specialist II

    TekSynap (Virginia Beach, VA)
    …(RMF) Step 5 authorizations as an Information System Security Engineer ( ISSE ). + Provide security risk mitigation recommendations and guidance to stakeholders. ... + Ensure compliance with DoD 8570.01-M IAM Level II certification requirements and other relevant regulations. **REQUIRED QUALIFICATIONS** + Active Secret security clearance + Bachelor's degree in Information Systems, Information Technology, Computer Science,… more
    TekSynap (12/30/25)
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  • Data Team Lead - TS/SCI w/Poly

    Parsons Corporation (Annapolis Junction, MD)
    …our Information System Security Officer (ISSO) and Information System Security Engineer ( ISSE ) functions, manage the overall cloud data architecture, and lead a team ... of system engineers focused on acquiring sensitive cyber data feeds. This role is crucial in ensuring the secure and efficient ingestion of hundreds of data feeds across multiple data fabrics to support our project objectives. The ideal candidate will have a… more
    Parsons Corporation (12/30/25)
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  • System Administrator

    CACI International (Chantilly, VA)
    …diagrams, standard operating procedures, and system documentation. + Coordination with customer ISSE to ensure security accreditation of all project IT systems. This ... includes writing documentation and plans to successfully navigate ICD 503 and customer's unique security requirements. + Troubleshoots and resolves hardware, software, and communications problems. Required qualifications: + **TS/SCI with Polygraph** +… more
    CACI International (12/29/25)
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  • Scientist, Information Security Systems Engineer…

    L3Harris (Palm Bay, FL)
    …Qualifications: + Bachelor's Degree and a minimum of 12 years of prior relevant ISSE experience. Graduate Degree and a minimum of 10 years of prior related ... experience. In lieu of a degree, minimum of 16 years of prior related experience. + Minimum of Collateral Secret security clearance required + Professional experience with RMF (Risk Management Framework) required + Must be able to obtain and maintain a DOD… more
    L3Harris (12/27/25)
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  • Cyber Systems Engineer / Principal Cyber Systems…

    Northrop Grumman (Melbourne, FL)
    …based on the audience. * Serve as a Cyber Security engineer ( ISSE ) supporting high-level technical and practical expertise. * This position requires practical ... experience in developing and implementing a security baseline and must be able to communicate their significance and relevancy in a clear, detailed manner. Basic Qualifications: * **Cyber Systems Engineer** : Bachelor of Science degree in a STEM (Science,… more
    Northrop Grumman (12/23/25)
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