• Zscaler (Washington, DC)
    …control processes within the SCIF **Minimum Qualifications** + US citizenship and active US Top Secret ( TS ) clearance (must be maintained) + 5+ years in ... be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by… more
    DirectEmployers Association (11/22/25)
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  • Systems Engineer SME - Exchange

    General Dynamics Information Technology (Washington, DC)
    …**Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** Seize your opportunity to make a ... personal impact as a **Senior** **Principal Systems Engineer for Exchange Messaging** with GDIT. We're...8140/8570 IAT III compliance + **Security Clearance Level** : Active Top Secret + **Required… more
    General Dynamics Information Technology (11/06/25)
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  • Exchange Engineer - Active

    ENS Solutions (Annapolis, MD)
    Our work depends on an Exchange Engineer joining our team to support Government activities in Washington, DC, Sterling, VA, or Annapolis Junction, MD As an ... Exchange Engineer supporting the Government, you will...production networks + Experience with PowerShell + Experience with Active Directory Benefits Essential Network Security (ENS) Solutions, LLC… more
    ENS Solutions (10/16/25)
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  • Principal Systems Engineer - active

    V2X (Suitland, MD)
    …Suitland, MD location. The position is required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to obtain and maintain ... responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS /SCI clearance...and services to include, but not be limited to, Active Directory, Exchange , Internet Information Services (IIS),… more
    V2X (11/15/25)
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  • Senior Principal Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …Citizenship Required:** Yes **Job Description:** **Principal Systems Engineer - Messaging - Active Top Secret Required** Seize your opportunity to make a ... Technical Skills** : DoD 8140/8570 IAT III compliance + **Security Clearance Level** : Active Top Secret + **Required Skills and Abilities** : Strong… more
    General Dynamics Information Technology (12/10/25)
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  • Senior Cybersecurity Engineer

    ManTech (Washington, DC)
    …CCIE Certification **Clearance Requirements:** + Must be a US Citizen and possess an active or current Top Secret clearance. **Physical Requirements:** + ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Cybersecurity Engineer ** to join our team working in the **Washington, DC Navy Yard.** This is a… more
    ManTech (10/30/25)
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  • Splunk Security Engineer

    Leidos (Suitland, MD)
    …(FirePower, ISE, Email Gateways, AMP, switch/routers), Palo Alto Firewalls, Microsoft Active Directory, DNS, Exchange , SharePoint, IIS, SQL, Apache, Tomcat, ... into real-world impact? Join **Leidos** as a **Splunk Security Engineer ** in Suitland, MD and be at the forefront...teams targeted for integration. **What You'll Bring** **Required:** + Active DoD TS /SCI clearance. + Bachelor's degree… more
    Leidos (11/11/25)
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  • Software Engineer API Developer

    SAIC (Washington, DC)
    …and contributing to the strategic vision of the MARS program **Qualifications** + Active TS /SCI with Polygraph + One of the following certifications: Certified ... **Description** SAIC is seeking **Software Engineer API Developers** to join the Machine-assisted Analytic...+ Strong understanding of API gateway technologies and data exchange protocols Target salary range: $80,001 - $120,000. The… more
    SAIC (10/07/25)
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  • Senior Cloud Information System Security Officer

    ManTech (Washington, DC)
    …Science, Cybersecurity, or other cyber discipline **Clearance Requirements:** + Must have a current/ active Top Secret clearance with eligibility to obtain ... Certified Solutions Architect - Associate, AZ-500: Microsoft Certified: Azure Security Engineer Associate, Google - Professional Cloud Security Engineer . Cloud… more
    ManTech (12/04/25)
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  • IT Project Lead

    BAE Systems (Washington, DC)
    …eight years position related experience; OR twelve years position related work experience. + An ACTIVE DoD Top Secret security clearance + An IAT II ... defense, aerospace, and security solutions. As one of the top ten defense contractors, we employ a skilled workforce...100,000 people in more than 40 countries. We develop, engineer , manufacture, and support products and systems to protect… more
    BAE Systems (12/06/25)
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  • Staff Solution Consultant

    Trellix (Annapolis, MD)
    …with cyber threat identification, management, mitigation, and response strategies. + You hold an active TS /SCI clearance with Full Scope polygraph + You hold an ... Data Exchange Layer (DXL). + You have experience with Active Directory, Databases, Virtualization, Cloud Services [i.e., AWS, Azure]) and enterprise networks.… more
    Trellix (11/14/25)
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