• 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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  • 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)
    …RQ209576 **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 (10/29/25)
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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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  • Calling all Mid-Career TS Cleared SW…

    Northrop Grumman (Dulles, VA)
    …development, C++, Bash Scripting experience + _U.S. Citizenship with a current or active Top - Secret clearance at the time of application_ _Principal ... application development, C++, Bash Scripting experience + _U.S. Citizenship with a current or active Top - Secret clearance at the time of application_ This… more
    Northrop Grumman (10/23/25)
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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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  • Teleconferencing Engineer

    SAIC (Chantilly, VA)
    …associated with IT infrastructure provisioning. US Citizenship required. Active Top Secret /Sensitive Compartmented Information ( TS /SCI) clearance with ... (3) years or more relevant experience. + Must possess and maintain a Top Secret /Sensitive Compartmented Information ( TS /SCI) clearance with current Poly.… more
    SAIC (10/01/25)
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  • Requirements Engineer

    General Dynamics Information Technology (Springfield, VA)
    …RQ209188 **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 a TS /SCI cleared Requirements Engineer joining our team...& A/V Support + Exceptional interpersonal, client-facing skills + Active TS /SCI clearance and eligibility to obtain… more
    General Dynamics Information Technology (10/26/25)
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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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  • 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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  • Lead Information Security Engineer

    Lumen (Herndon, VA)
    …Skills: + Required (education/experience/skills/competencies): + Candidate must be a US Citizen with an active TOP SECRET clearance Preferred: + 5-7 years in ... committed to teamwork, trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to thrive and deliver… more
    Lumen (11/01/25)
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  • ADC Windows Client Engineer , Region…

    Amazon (Herndon, VA)
    …requires that the candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires ... Infrastructure (RSCI) is looking for an experienced Windows Systems Engineer with a deep knowledge of Windows Active...Active Directory and component systems (DNS, DHCP, NPS, Exchange ) - Security compliance to include hardening the OS… more
    Amazon (10/22/25)
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  • ADC Windows Client Engineer , Region…

    Amazon (Herndon, VA)
    …candidate selected must be a US Citizen and currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires the ... Infrastructure (RSCI) is looking for an experienced Windows Systems Engineer with a deep knowledge of Windows Active...Active Directory and component systems (DNS, DHCP, NPS, Exchange ) - Security compliance to include hardening the OS… more
    Amazon (09/09/25)
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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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  • 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 (11/01/25)
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  • Sr Engineer - Federal

    Lumen (Herndon, VA)
    …and wavelength division multiplexing + **Candidate must be a US Citizen with an active TOP SECRET /SCI Level clearance** Preferred Qualifications + Bachelor's ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...world and shape the future. **The Role** The Senior Engineer will participate in multiple team environments and provide… more
    Lumen (10/28/25)
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