• Zscaler (Mclean, VA)
    …services within classified environments **What We're Looking for (Minimum Qualifications)** + ** Active Secret Security Clearance required and must be maintained ... levels and monthly + Information Assurance Technician Level 2 certification and Top Secret security clearance \#LI-Onsite \#LI-YC2 Zscaler's salary ranges are… more
    DirectEmployers Association (10/03/25)
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  • 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 ... resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange platform, which is found in our SASE and...strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management … more
    DirectEmployers Association (10/11/25)
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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 (10/06/25)
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  • Exchange Engineer - Active

    ENS Solutions (Sterling, VA)
    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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  • Exchange Engineer - TS /SCI

    General Dynamics Information Technology (Sterling, VA)
    …RQ206873 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... and tomorrow is smarter. Our work depends on an Exchange Engineer joining our team to support...Systems Engineering area of responsibility **WHAT YOU'LL NEED:** + Active TS /SCI clearance and ability to obtain… more
    General Dynamics Information Technology (10/15/25)
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  • Exchange Engineer - TS /SCI

    General Dynamics Information Technology (Sterling, VA)
    …RQ208844 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... and tomorrow is smarter. Our work depends on an Exchange Engineer joining our team to support...user problems (ServiceNow) as needed **What you'll need:** + Active TS /SCI clearance and ability to obtain… more
    General Dynamics Information Technology (10/15/25)
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  • Microsoft Exchange & Messaging…

    General Dynamics Information Technology (Chantilly, VA)
    …RQ205153 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Experience with Windows DNS and DHCP + Experience integrating Exchange with Active Directory, Azure AD, and...DoD 8570/8140 certification + BA/BS (or equivalent experience) + TS /SCI with Polygraph + Location: On Customer Site +… more
    General Dynamics Information Technology (08/12/25)
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  • IT Engineer - Microsoft Enterprise Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …RQ203477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... of experience** in systems administration, with demonstrated Tier 2 support capabilities. + ** Active TS /SCI with Polygraph clearance.** + **Current DoD 8570 IAT… more
    General Dynamics Information Technology (10/14/25)
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  • Linux Engineer - TS /SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …RQ207328 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Training within six (6) months of Hire Date. + Security Clearance Level: TS /SCI with Polygraph is required. Successful candidates are expected to have related… more
    General Dynamics Information Technology (09/16/25)
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  • Principal Exchange Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Principal Exchange Engineer ** to join our team in **Chantilly, VA.** The position is **onsite.** ... customer service experience strongly desired **Clearance Requirements:** + US Citizenship required and active TS clearance adjudicated within the last 6 years. +… more
    ManTech (09/12/25)
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  • Secured Conferencing Engineer SETA

    SAIC (Chantilly, VA)
    …associated with IT infrastructure provisioning. US Citizenship required. Active Top Secret /Sensitive Compartmented Information ( TS /SCI) clearance with ... SAIC has an opening for an experienced Secured Conferencing Engineer (SETA) in Chantilly, VA to assist a government...more relevant experience. + Must possess and maintain a Top Secret /Sensitive Compartmented Information ( TS /SCI)… more
    SAIC (10/01/25)
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  • Software Engineer /Systems Administrator

    Cinteot (Springfield, VA)
    …Linux Administration experience Education: Bachelor (or 4 years additional experience) Security Clearance: Top Secret with SCI and Full Scope Poly Benefits: + ... Software Engineer / Systems Administrator (location: Springfield, VA) The...install, configure, troubleshoot, diagnose, and resolve problems with Microsoft Exchange , Microsoft Windows 2012 Server, and Active more
    Cinteot (08/07/25)
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  • Senior Systems Engineer

    Leidos (Reston, VA)
    …integration, verification and validation, and deployment of operational systems **Basic Qualifications** + Active and current Top Secret . + BS degree and ... currently has an opening for a cleared **Senior Systems Engineer ** . This is an exciting opportunity to use...with computer networking. + Expertise with Cloud Architecture. + Active and current TS /SCI clearance. + Experience… more
    Leidos (10/18/25)
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  • Sr. Principal Cyber Software Engineer (AHT)

    Northrop Grumman (Washington, DC)
    …Information Assurance Vulnerability Alert (IAVA) policy + Security+ certification + Must have an active Top Secret /SCI clearance with Polygraph + Able to ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: No **Description** At Northrop Grumman, our employees have… more
    Northrop Grumman (10/04/25)
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  • Machine Learning Engineer

    William C Brown Inc (Springfield, VA)
    …Required Location Springfield Full-Time/Part-Time Full-Time Exempt/Non-Exempt Exempt Security Clearance Requirements Active TS / SCI Clearance. This position is ... safe and tomorrow is smarter. Our work depends on TS /SCI cleared Machine Learning Engineer joining our team to support our intelligence customer inSpringfield,… more
    William C Brown Inc (09/16/25)
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  • Principal Satellite Communications Engineer

    ManTech (Reston, VA)
    …**Preferred Qualifications:** + N/A **Clearance Requirements:** + Must have an active /current Top Secret security clearance. **Physical Requirements:** ... **ManTech** seeks a motivated, career and customer-oriented **Principal Satellite Communications Engineer ** to join our team in the **Reston, VA** location. This is… more
    ManTech (09/18/25)
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  • Field Engineer

    ManTech (Reston, VA)
    …complex systems deployed worldwide **Clearance Requirements:** + Must possess an active /current ** Top Secret ** security clearance. **Physical Requirements:** ... **ManTech** seeks a motivated, career and customer-oriented **Field Engineer ** to join our team in the **Reston,...time + Must be able to communicate, converse, and exchange information with peers and senior personnel + Constantly… more
    ManTech (09/01/25)
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  • Software Engineer II - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …to the following specialized security screenings: + The successful candidate must have an active US Government Top Secret Clearance with access to Sensitive ... with some of Microsoft's most critical customers? We're looking for a Software Engineer II with the right mix of software development, on-line services experience… more
    Microsoft Corporation (10/14/25)
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  • Software Engineer II - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …to the following specialized security screenings: + The successful candidate must have an active US Government Top Secret Clearance with access to Sensitive ... some of Microsoft's most critical customers? We're looking for a **Software Engineer II** with the right mix of software development, on-line services experience… more
    Microsoft Corporation (10/08/25)
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  • Solution Train Engineer

    SAIC (Chantilly, VA)
    …years or more experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret /SCI clearance with Polygraph. + Proven experience with ... **Description** SAIC is seeking a **Solution Train Engineer ** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program,… more
    SAIC (08/07/25)
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