• Data Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    … investigation and may need to meet eligibility requirements for access to classified information ; Top Secret clearance is required. Compensation At Booz ... infrastructure + Experience documenting and diagraming technical architectures + Top Secret clearance + HS diploma or...processes for enterprise systems + TS / SCI clearance + Bachelor's degree in IT Security more
    BOOZ, ALLEN & HAMILTON, INC. (12/03/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA** . Senior Cyber Security ... (eg, STIGs, CIS Benchmarks) **Clearance Requirements:** + Must have a current/active TS / SCI with Polygraph **Physical Requirements:** + The person in this… more
    ManTech (12/11/25)
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  • Information Systems Security

    Koniag Government Services (Washington, DC)
    …a Koniag Government Services company, is seeking an Information Systems Security Engineer (ISSE) with Top Secret security clearance to support ... Information Technology (IT) **Clearance Requirement:** + Requires Top Secret Security Clearance with...Security Clearance with ability to obtain and maintain SCI access. **Our Equal Employment Opportunity Policy** The company… more
    Koniag Government Services (12/10/25)
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  • Cyber Security Engineer III

    Virtual Service Operations (Arlington, VA)
    Cyber Security Engineer III * Arlington, VA...lieu of degree Requirements + Must possess an active TS / SCI security clearance + Must ... the next steps in your career as a Cyber Security Engineer III? Let's chat and see...is actively seeking a talented individual with an active TS / SCI clearance to design and implement cybersecurity… more
    Virtual Service Operations (12/11/25)
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  • Information System Security

    ManTech (Chantilly, VA)
    … Clearance Requirements:** + Must have a current/active Top Secret security clearance with eligibility to obtain SCI prior to starting this position. + ... **MANTECH** seeks a motivated, career and customer-oriented ** Information System Security Engineer (ISSE)** to join our team in **Chantilly, VA.**… more
    ManTech (11/29/25)
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  • Senior Information System Security

    ManTech (Huntsville, AL)
    …Requirements:** + Must be a US citizen and have a current/active Top Secret security clearance with SCI eligibility. + Applicant may also undergo ... **MANTECH** seek a motivated, career and customer-oriented **Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico,… more
    ManTech (11/06/25)
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  • Sr. Specialist, Information Systems…

    L3Harris (Greenville, TX)
    …domains in the interest of national security . Job Title: Sr. Specialist, Information Systems Security Engineer Job Code: 30837 Job Location: Greenville, ... May have broad knowledge of project management. + Active Secret security clearance required with the ability...required with the ability to obtain and maintain a TS / SCI level . + Current DOD 8570/8140… more
    L3Harris (12/11/25)
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  • Information Systems Security

    BOOZ, ALLEN & HAMILTON, INC. (Warner Robins, GA)
    Information Systems Security Engineer ...need to meet eligibility requirements for access to classified information ; TS / SCI clearance is ... You will coordinate changes or modifications with the appropriate Information System Security Manager ( ISSM )...Knowledge of DoD communication, cybersecurity, and IT systems + TS / SCI clearance + Asso cia… more
    BOOZ, ALLEN & HAMILTON, INC. (11/29/25)
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  • Cyber Security Engineer NSS Tools

    CACI International (St. Louis, MO)
    Cyber Security Engineer NSS Tools Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular ... NGA networks and cybersecurity posture in support of national security . Joining the TCS Team means working with truly...the time CONUS, maybe occasional OCONUS **Qualifications:** Required: + TS / SCI (current) and ability to successfully pass… more
    CACI International (11/14/25)
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  • Network Security Engineer

    ManTech (Honolulu, HI)
    **MANTECH** seeks a motivated, career and customer-oriented **Network Security Engineer ** with strengths in Information Systems Security to join our team ... policies, directives, and best practices. + Establishes and satisfies complex system-wide information security requirements based upon the analysis of user,… more
    ManTech (11/26/25)
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