• Lead Information Security

    Lumen (Herndon, VA)
    …customers on worldwide DDoS threats and issue posture and assessment reports This Lead Information Security Engineer position operates in a supportive role ... event management functions - monitoring, detection, triage of security events and alerts in associated monitoring systems...requests for the Lumen managed DDoS product. The Lead Information Security Engineer is expected… more
    Lumen (12/10/25)
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  • Staff Information Security

    Zscaler (Mclean, VA)
    …speed and agility with a cloud-first strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management ... adhering to one-way diode transfer protocols.** Reporting to the Senior Manager of Information Security Engineering, you will be responsible for: + Designing and… more
    Zscaler (10/11/25)
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  • Senior Information System

    General Dynamics Information Technology (Reston, VA)
    …solutions for enterprise information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor ... flows for a wide range of devices. HOW AN INFORMATION SYSTEM SECURITY ENGINEER... system test plans (STP) to assess the security posture of the information systems more
    General Dynamics Information Technology (11/21/25)
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  • Information Systems Security

    SAIC (Chantilly, VA)
    …accreditation of all System Program Office sponsored systems . + Provide the Information System Security Engineer (ISSE) support for IA systems ... **Description** SAIC is seeking an experienced Information Systems Security Engineer (ISSE) for...security policy implementation. + Provide status to Directorate Information System Security Manager (ISSM)… more
    SAIC (11/06/25)
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  • Information System Security

    Assertive Professionals (Chantilly, VA)
    Information System Security Engineer (ISSE) About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman ... TS/SCI with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking anInformation System Security Engineer (ISSE) with Poygraph supporting… more
    Assertive Professionals (10/09/25)
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  • Information Security Systems

    BAE Systems (Herndon, VA)
    …government. ABC \#LI-DDUNN **Required Education, Experience, & Skills** We are actively seeking an Information Systems Security Engineer (ISSE) with a ... in one or more software products associated with cyber system engineering for data analytics including SQL security...be available based on position level and/or job specifics. ** Information Security Systems Engineer more
    BAE Systems (12/10/25)
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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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  • Information Systems Security

    BAE Systems (Sterling, VA)
    …Other incentives may be available based on position level and/or job specifics. ** Information Systems Security Engineer (Senior)- ISSE** **115935BR** ... Education, Experience, & Skills** We are actively seeking Cyber Security Systems Engineers with a minimum of...Plans (SSP)/CONOPS in the Xacta application. + Gather the information by working with various team members in order… more
    BAE Systems (11/21/25)
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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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  • Cyber Security Project Engineer

    The Metamorphosis Group (Mclean, VA)
    …Certified Information Systems Security Professional (CISSP), Certified Information System Security Engineer Professional (ISSEP), Certified ... operational systems . 6. Demonstrated experience developing and updating system security documents. 7. Demonstrated experience managing and controlling… more
    The Metamorphosis Group (12/10/25)
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  • Cybersecurity Engineer 6

    M. C. Dean (Chantilly, VA)
    … for federal, local and commercial customers across high-growth markets. Responsibilities ** Information System Security Engineer Position Summary** ... will work on developmental and operational teams responsible for system security engineering services of developmental and operational systems for our… more
    M. C. Dean (11/28/25)
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  • Senior Cyber Risk Manager (Splunk Engineer

    The MITRE Corporation (Mclean, VA)
    …within the Global Security Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on ... MITRE - and make a difference with us. The Information System Security Department (R311)...systems are configured and operated in compliance with Security Technical Implementation Guides (STIG) requirements. The candidate will… more
    The MITRE Corporation (11/08/25)
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  • National Security Sector Referrals

    Leidos (Reston, VA)
    Engineer /Embedded Engineer + Systems Administration - Linux + Information Security Systems Engineer /Officer (ISSE/ISSO) + Data Scientist + ... **Leidos** has new and exciting opportunities in our **National Security Sector's** **(NSS) Cyber & Analytics Business Area (CABA)**... Systems Engineer + TechSIGINT Analyst + Oracle Database Administration (DBA)… more
    Leidos (10/18/25)
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  • Network Security Firewall Engineer

    ThermoFisher Scientific (Frederick, MD)
    …experience in cybersecurity + Certifications are not required but encouraged: Certified Information Systems Security Professional, CompTIA Network+, ... Location/Division Specific Information Discover Impactful Work: The Network Security Engineer has global responsibility for supporting solutions crafted… more
    ThermoFisher Scientific (12/04/25)
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  • Authorization and Accreditation Lead

    AeroVironment (Herndon, VA)
    …incident response. + Demonstrated six (6) years experience in a role such as Information Systems Security Engineer (ISSE), accrediting Sponsor programs ... technology. + Certification in Security +. Certified Information System Security Professional (CISSP)....systems . Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading… more
    AeroVironment (12/20/25)
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  • ISSE

    System One (Reston, VA)
    …VA or Riverdale, MD - 100% ONSITE Compensation: $200,000/year Join our dynamic team as an Information System Security Engineer (ISSE) and make a direct ... accreditation status, and reporting. * Documentation: Prepare and maintain comprehensive security documentation, including System Security Plans (SSP),… more
    System One (12/18/25)
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  • Lead System Security Engineer

    Guidehouse (Bethesda, MD)
    …**4. Process Maturity** + Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per NIST SP 800-37. + ... develop a matrix of cybersecurity responsibilities for each FISMA system . **6. Review** + Conduct security control...functional tests. + 3+ years of experience as IT system administrator or engineer . Experience can include:… more
    Guidehouse (11/19/25)
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  • Cybersecurity Systems Engineer

    BAE Systems (Rockville, MD)
    …to support our work as a prime contractor on a high-profile US Navy weapon system . As a Cybersecurity Systems Engineer , you will influence a ... multi-disciplinary team responsible for System Security Engineering (SSE) risk management of...mitigation strategies while maintaining the strict confidentiality of sensitive information . The Cybersecurity Systems Engineer more
    BAE Systems (10/29/25)
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  • System Security Engineer

    Guidehouse (Bethesda, MD)
    …**4. Process Maturity** + Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per NIST SP 800-37. + ... develop a matrix of cybersecurity responsibilities for each FISMA system . **6. Review** + Conduct security control... Center). + 1+ years of experience as IT system administrator or engineer . Experience can include:… more
    Guidehouse (11/19/25)
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