• 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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  • Zscaler (Mclean, VA)
    …S3, RDS, DynamoDB, and messaging systems like Kafka or SQS + US citizenship with active US Top Secret /SCI security clearance **What Will Make You Stand ... efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and...join our IT Cloud Engineering team. **This role requires Top Secret Security Clearance, which must be… more
    DirectEmployers Association (10/30/25)
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  • 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 (11/12/25)
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  • ManTech (Chantilly, VA)
    …with the ability to travel domestically. Clearance Requirements: Must have a current/ active TS /SCI w/Polygraph. Physical Requirements: Must be able to remain ... MANTECH seeks a motivated, career and customer-oriented IT Systems Engineer to join our team in Chantilly, VA. Responsibilities include but are not limited to:… more
    job goal (12/12/25)
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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 (Washington, DC)
    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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  • 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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  • 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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  • 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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  • Systems Engineer III - Pipeline ( TS

    COMSO, Inc (Fort Meade, MD)
    Systems Engineer III - PIPELINE ( TS /SCI w/...Alaska. We are honored to be recognized as a Top Workplace for seven years running by the Baltimore ... Sun Media Group. **SECURITY CLEARANCE IS REQUIRED: TS /SCI w/ POLYGRAPH BEFORE CONSIDERATION** This position is contingent...years of relevant experience. + Experience as a systems engineer on one or more IT platforms is required.… more
    COMSO, Inc (12/02/25)
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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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  • System Architect IV-Pipeline ( TS /SCI…

    COMSO, Inc (Fort Meade, MD)
    System Architect IV-Pipeline ( TS /SCI w/Polygraph) FORT MEADE, MD (http://maps.google.com/maps?q=FORT+MEADE+MD+USA+20755) Job Type Full-time Description COMSO, Inc. ... Alaska. We are honored to be recognized as a Top Workplace for seven years running by the Baltimore...the Baltimore Sun Media Group. **SECURITY CLEARANCE IS REQUIRED: TS /SCI w/ POLYGRAPH BEFORE CONSIDERATION** This position is contingent… more
    COMSO, Inc (11/27/25)
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  • Information Systems Security Manager (ISSM) 3…

    Amentum (Fort Meade, MD)
    …incident management, and PKI and authorization services. * US Citizen with an active TS /SCI with Poly **Other Requirements:** * Perform requirements gathering ... portfolio * Facilitate issue resolution through integrated product teams and Technical Exchange Meetings (TEM) * Provide support for a program, organization, system,… more
    Amentum (11/12/25)
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  • Information Systems Security Manager (ISSM) 2…

    Amentum (Fort Meade, MD)
    …security incident management, and PKI and authorization services. **Clearance Required:** + Active TS /SCI and a current polygraph **Must be able to:** ... portfolio + Facilitate issue resolution through integrated product teams and Technical Exchange Meetings (TEM) + Provide support for a program, organization, system,… more
    Amentum (09/28/25)
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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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  • SolarWinds Engineer

    System One (Alexandria, VA)
    …This is an on-site position at a federal end-customer location in Alexandria, VA. An active Top Secret clearance is required per federal requirements. An ... Month Contract to Hire On-Site, Alexandria, VA Federal End Client Top Secret Clearance required. An active Secret clearance may be upgraded to TS . W2… more
    System One (11/22/25)
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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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  • Infrastructure Engineer T5

    CACI International (Sterling, VA)
    Active Roles Server, and Privileged Account Management (PAM) **Qualifications:** _Required:_ + Top Secret with SCI eligibility + US citizen + Bachelor's ... Infrastructure Engineer T5 Job Category: Information Technology Time Type:...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (12/11/25)
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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 (11/06/25)
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  • System Engineer - IA Systems

    CACI International (Annapolis Junction, MD)
    …Thin Client, and enhanced VDI (eg, remote GPU and memory scaling). + TS /SCI with Polygraph **System Engineer Level 5** **Responsibilities:** + Identifying and ... System Engineer - IA Systems Job Category: Information Technology...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (11/19/25)
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