• 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)
    …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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  • Messaging Services - Systems Engineer

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ208522 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... **US Citizenship Required:** Yes **Job Description:** Messaging Services - Systems Engineer Deliver simple solutions to complex problems as a Messaging Services… more
    General Dynamics Information Technology (10/09/25)
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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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  • 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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  • Azure Cloud Engineer - Intermediate Cloud…

    CACI International (Annapolis Junction, MD)
    Azure Cloud Engineer - Intermediate Cloud Engineer Job...or GED or 3 Years Experience and Bachelors + Active TS /SCI (no waiver minimum requirement) + ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...Travel: None * * * **The Opportunity:** The Cloud Engineer will maintain an efficient and cost-effective migration of… more
    CACI International (10/16/25)
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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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  • Sr. Software Engineer

    Huntington Ingalls Industries (Annapolis Junction, MD)
    …- TS /SCI clearance with polygraph Clearance: Must possess and maintain an active TS /SCI clearance with Polygraph for consideration Preferred + Experience with ... Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Security Clearance: TS /SCI with Poly Level of Experience: Mid This opportunity resides with Cyber… more
    Huntington Ingalls Industries (08/22/25)
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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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