• 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 (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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  • Exchange Engineer - TS /SCI

    General Dynamics Information Technology (Annapolis Junction, MD)
    …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 (09/09/25)
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  • Exchange Engineer - TS /SCI

    General Dynamics Information Technology (Annapolis Junction, MD)
    …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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  • Systems Engineer IV - Pipeline ( TS

    COMSO, Inc (Fort Meade, MD)
    Systems Engineer IV - 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 (09/02/25)
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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 (08/29/25)
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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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  • Staff Information Security Engineer

    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
    Zscaler (10/11/25)
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  • Systems Engineer - Senior

    Amentum (Fort Meade, MD)
    …and as part of a team in a dynamic environment. **Clearance Required:** * Must have active Top Secret clearance with SCI **Minimum Education:** * High School ... look no further. Amentum is seeking a **Senior Systems Engineer ** to join our team of passionate individuals in...Experience with Windows Server2022, 2025, Citrix XenDesktop, VMware ESXi, Active Directory, SAN, VCP 7.X. & 8.X, Nutanix AHV… more
    Amentum (10/31/25)
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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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  • Senior Information System Security Engineer

    ManTech (Washington, DC)
    …other cyber discipline. **Clearance Requirements:** + Must be a US Citizen with a current/ active Top Secret security clearance with SCI eligibility. + ... seek a motivated, career and customer-oriented **Senior Information System Security Engineer ** to join our team **Washington, DC.** **Responsibilities include, but… more
    ManTech (11/15/25)
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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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  • 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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  • ADC Windows Client Engineer , Region…

    Amazon (Jessup, MD)
    …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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  • Senior Systems Engineer

    CACI International (Annapolis Junction, MD)
    Senior Systems Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... of technology. We are seeking an experienced Senior Systems Engineer to join our dynamic team. The ideal candidate...Red Hat OS. + Experience with technologies such as Active Directory, Identity Management, SCCM, DNS, Group Policy, … more
    CACI International (10/28/25)
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  • System Engineer - IA Systems

    CACI International (Annapolis Junction, MD)
    System Engineer - IA Systems Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... We are looking for a highly skilled Senior Systems Engineer to join our team. The ideal candidate will...Hat OS. + Experience with key technologies such as Active Directory, Identity Management, SCCM, DNS, Group Policy, … more
    CACI International (08/21/25)
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  • Azure Cloud Engineer

    Arena Technical Resources, LLC (Annapolis Junction, MD)
    Engineer Location: Annapolis Junction, MD Eligibility: Candidate must possess an active TS /SCI with Full Scope Polygraph Job Description: Junior Level ... Azure Cloud Engineer Location: Annapolis Junction, MD, US Job ID:...on-premises or legacy systems to the Cloud * Administer Exchange Online, SharePoint, Teams, and OneDrive. - Monitor system… more
    Arena Technical Resources, LLC (11/13/25)
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  • Senior Systems Engineer (Level 5)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    …total of fifteen (15) years of relevant experience if a degree is not held.* Active TS /SCI clearance with polygraph is required. Salary Range: A variety of ... Kaizen Approach is currently seeking a Senior Systems Engineer to participate in Information Assurance (IA) system,...OS; if assigned to Directory Services TTOs, experience with Active Directory, Identity Management, SCCM, DNS, Group Policy, … more
    Kaizen Approach, Inc (11/11/25)
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