• 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 ... requests for the Lumen managed DDoS product. The Lead Information Security Engineer is expected...Candidate must be a US Citizen with an active TOP SECRET clearance Preferred: + 5-7 years… more
    Lumen (01/09/26)
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  • Staff Information Security

    Zscaler (Mclean, VA)
    …Zscaler to help shape the future of cybersecurity. **Role** We are looking for a Staff Information Security Engineer to join our Engineering team. This is a ... Arlington, VA Area, reporting to the Senior Manager of Information Security Engineering. You will operate as...(Minimum Qualifications)** **U.S. citizenship and a current, active US Top Secret ( TS ) clearance and… more
    Zscaler (01/10/26)
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  • Federal Security Platforms Lead (Principal…

    Zscaler (Mclean, VA)
    …of cybersecurity. We are looking for a Federal Security Platforms Lead (Principal Information Security Engineer ) to join our Enterprise Security ... quickly. **What We're Looking for (Minimum Qualifications)** + **US Citizenship and an active US Secret Security Clearance ( Top Secret preferred), with a… more
    Zscaler (01/11/26)
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  • Federal Incident Response Lead (Principal…

    Zscaler (Mclean, VA)
    …the future of cybersecurity. We are looking for a Federal Incident Response Lead (Principal Information Security Engineer ) to join our team. This is a ... team. **What We're Looking for (Minimum Qualifications)** + **US Citizenship and an active US Secret Security Clearance ( Top Secret preferred), with a… more
    Zscaler (01/11/26)
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  • Senior Information System Security

    General Dynamics Information Technology (Reston, VA)
    …related solutions for enterprise information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...flows for a wide range of devices. HOW AN INFORMATION SYSTEM SECURITY ENGINEER WILL… more
    General Dynamics Information Technology (11/21/25)
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  • Information Systems Security

    General Dynamics Information Technology (Reston, VA)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as an ** Information System Security Engineer (ISSE)** with GDIT. A ... RQ211666 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job… more
    General Dynamics Information Technology (01/19/26)
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  • Cleared Senior Information Systems…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer ...professional experience. + Travel: o Up to 10% + Security Clearance: Active Top Secret ... take the next steps in your career as an Information Systems Security Engineer (ISSE)?...travel up to 10% + Must possess an active TS / SCI clearance or above + Please note that… more
    Virtual Service Operations (11/09/25)
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  • Cleared Information Systems Security

    Virtual Service Operations (Lorton, VA)
    Cleared Information Systems Security Engineer ...professional experience. + Travel: o Up to 10% + Security Clearance: Active Top Secret ... take the next steps in your career as an Information Systems Security Engineer (ISSE)?...travel up to 10% + Must possess an active TS / SCI clearance or above + Please note that… more
    Virtual Service Operations (01/02/26)
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  • Information System Security

    Amentum (Warrenton, VA)
    Security , & Intel space? If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate ... operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ...change. **Responsibilities:** The duties and responsibilities of the Senior Information System Security Engineer (ISSE)… more
    Amentum (12/05/25)
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  • Information Systems Security

    CACI International (Chantilly, VA)
    Job Title: Information Systems Security Engineer -...Must be a US Citizen + Top Secret /Sensitive Compartmented Information ( TS /SCI) with ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...* * **The Opportunity:** CACI is searching for an Information Systems Security Engineer (ISSE)… more
    CACI International (01/19/26)
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