• Information System Security

    SAIC (Mclean, VA)
    **Description** SAIC is seeking an ** Information System Security Engineer (ISSE)** to provide information security support. This position is in ... drive influence operations. If you have specialized skills in information security and tech ops, this is...systems and applications. + Coordinate A&A actions and system testing with appropriate security personnel. +… more
    SAIC (01/14/26)
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  • Information Systems Security

    TekSynap (Chantilly, VA)
    Security Engineerto join our team supporting the Space Development Agency. The Information Systems Security Engineer will act as liaison to ... in conjunction of auditors, cyber security & Information System Security Engineers. +...place and are security compliant. Work with Information Systems Security Officer (ISSO)… more
    TekSynap (12/06/25)
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  • Senior Information Systems

    Amentum (Warrenton, VA)
    …for transformative change. **Responsibilities:** The duties and responsibilities of the **Senior Information System Security Engineer (ISSE)** include, ... using intimate knowledge of security design best practices for information systems . throughout the system development life cycle to support the… more
    Amentum (01/09/26)
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  • Information System Security

    ManTech (Virginia Beach, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Information System Security Engineer (ISSE)** to join our team in **Virginia Beach** ... Qualifications** : + Bachelor's Degree + One of the following certifications: Certified Information Systems Security Professional (CISSP), CompTIA Advanced … more
    ManTech (01/09/26)
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  • Information Systems Security

    Nightwing (Sterling, VA)
    …defense, civil, and commercial markets. Nightwing is seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our ... efficiency of mission-critical applications. Key Responsibilities: + Design, develop, and implement security architectures for information systems . + Conduct… more
    Nightwing (12/30/25)
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  • Information Systems Security

    Watershed Security (Norfolk, VA)
    …years' Cybersecurity and Government Contracting experiencing. Watershed is looking for a Journeyman Information Systems Security Engineer (ISSE) to ... internal and external threats. + Support continuous monitoring of information systems and provide regular status reports on security compliance. + Maintain… more
    Watershed Security (01/01/26)
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  • Information Systems Security

    Nightwing (Sterling, VA)
    …work schedules, a peer recognition and reward system , and performance-based bonuses ** Information Systems Security Engineer (ISSE) (Open)** Nightwing ... with computer forensic tools and investigation methodologies + Experience with various information system security assessment/hardening tools - SCAP… more
    Nightwing (11/25/25)
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  • Lead, Information Security

    L3Harris (Ashburn, VA)
    …and cyber domains in the interest of national security . Job Title: Anti-Tamper System Security Engineer (Secret Security Clearance) Job Code: 30715 ... 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance...testing, configuration management, and maintenance of information systems and data. + Assist program security more
    L3Harris (11/01/25)
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  • Information Systems Security

    General Dynamics Information Technology (Chantilly, VA)
    …+ Identify requirements for documentation associated with system categorization, the System Security Plan, and systems risk assessment as required ... RESPONSIBILITIES** + This position ensures that security is engineered into an information system from design through deployment and operation + Configure … more
    General Dynamics Information Technology (01/02/26)
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  • Staff Cybersecurity Analyst / Information

    Northrop Grumman (Fairfax, VA)
    …team of engineers, system administrators, and operators as a Principal Cyber Systems Engineer professional in Chantilly, VA. The successful candidate will be ... Certification and Accreditation activities and technical or coordination activity and prepare the system Security Plans and update the Plan of Actions and… more
    Northrop Grumman (01/10/26)
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