• Red River (College Park, MD)
    …actively seeking a dedicated and highly skilled Senior Network & Systems Engineer with deep expertise in Cisco ACI, virtualization platforms, and enterprise storage ... visibility and issue resolution. + Collaboration & Documentation + Partner with software , DevOps, and cybersecurity teams to support end-to-end solution delivery. +… more
    DirectEmployers Association (10/16/25)
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  • Zscaler (Washington, DC)
    …countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to ... strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management ...**Minimum Qualifications** + US citizenship and active US Top Secret (TS) clearance (must be maintained) + 5+ years… more
    DirectEmployers Association (10/11/25)
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  • Epsilon, Inc (Washington, DC)
    **Wi-Fi Network Engineer III** **Epsilon is now part of AMERICAN SYSTEMS!** We are pleased to announce Epsilon, Inc. has joined AMERICAN SYSTEMS. Together, we're ... and data networks. **An average day:** As Wi-Fi Network Engineer III, you are expected to be a business...all network devices. + Operate and Maintain a Cisco Software Defined Access Solution. + Analyze network topologies and… more
    DirectEmployers Association (09/25/25)
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  • Zscaler (Mclean, VA)
    …countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to ... with a cloud-first strategy. We're looking for an experienced Staff Site Reliability Engineer (Federal) to join our Government Cloud team. Reporting to the Manager,… more
    DirectEmployers Association (10/03/25)
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  • Software Engineer ( Secret )

    SMX (Washington, DC)
    Software Engineer ( Secret ) (4611)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX is ... seeking ** Software Engineers (Junior/Mid/Senior/SME)** supporting the design and implementation of...and with customer or vendor teams + Define and engineer solution capabilities that satisfy customer business drivers /… more
    SMX (10/16/25)
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  • Mid-Level Software Engineer

    Koniag Government Services (Washington, DC)
    **Kadiak, LLC,** a Koniag Government Services company, is seeking a Mid- Level Software Engineer with a Top- Secret security clearance with SCI eligibility to ... experienced and self-motivated individual to perform the duties of a Mid-Level Software Engineer to support the Administrative Applications Unit (AAU) at… more
    Koniag Government Services (10/17/25)
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  • Senior Software Engineer

    Koniag Government Services (Washington, DC)
    **Kadiak, LLC,** a Koniag Government Services company, is seeking a Senior Software Engineer with a Top- Secret security clearance with SCI eligibility to ... self-motivated individual to perform the duties of a Senior Software Engineer to support the Web Services...of IT infrastructure. This position requires an Active Top Secret with SCI eligibility clearance, supporting a DOJ FBI… more
    Koniag Government Services (10/17/25)
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  • Senior Software Engineer

    Koniag Government Services (Washington, DC)
    **Kadiak, LLC,** a Koniag Government Services company, is seeking a Senior Software Engineer with a Top- Secret security clearance with SCI eligibility to ... self-motivated individual to perform the duties of a Senior Software Engineer to support the Investigative and...and intelligence workforce. This position requires an Active Top Secret with SCI eligibility clearance, supporting a DOJ FBI… more
    Koniag Government Services (08/04/25)
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  • Software Engineer II - Training…

    RTX Corporation (Sterling, VA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Software Engineer II** **- Training System Software ... We are currently searching for a Software Engineer to join our team in Sterling VA within...experience + Active and transferable US government issued security secret clearance is required prior to start date +… more
    RTX Corporation (09/13/25)
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  • Senior Software Engineer

    RTX Corporation (Sterling, VA)
    …citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret **Senior Software Engineer ** **- Simulation & Training ... Aerospace is on the lookout for a talented Senior Software Engineer to join our Sterling, VA...experience + Active and transferable US government issued Top Secret Security Clearance or higher is required prior to… more
    RTX Corporation (09/05/25)
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  • Senior Software Engineer - Training…

    RTX Corporation (Sterling, VA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current **Senior Software Engineer ** **- Training System ... Software (Onsite)** We are currently searching for a Sr. Software Engineer to join our team in Sterling VA. Employing some of the most talented dedicated… more
    RTX Corporation (09/16/25)
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  • COMSEC / 5G cellular / VHF Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Systems Engineer - Active Top Secret Required** Seize your opportunity to make ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Professional Engineering...a personal impact as a Systems Engineer supporting a world class maintenance program servicing a… more
    General Dynamics Information Technology (08/02/25)
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  • Systems Engineer SME - Exchange Messaging…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (10/06/25)
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  • Principal/Sr. Principal Systems Engineer

    Northrop Grumman (Dulles, VA)
    …Principal Systems Engineer for the role of Ground Segment Systems Engineer for a Ground/Mission Software program. This role requires on-site, in-person ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (10/17/25)
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  • Sr Principal Systems Engineer - Active…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** **Sr Principal Systems Engineer - Active Directory - Active Top Secret Required** Seize ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (09/26/25)
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  • Azure DevSecOps Engineer ( Secret )

    SMX (Washington, DC)
    Azure DevSecOps Engineer ( Secret ) (4594)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX ... is seeking an **Azure DevSecOps Engineer ** supporting the design and implementation of secure, scalable multi-cloud infrastructure, applications, and services in… more
    SMX (10/16/25)
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  • Principal Systems Engineer - Active Top…

    General Dynamics Information Technology (Washington, DC)
    …Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and ... related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer ** Seize your opportunity to make a personal impact as a… more
    General Dynamics Information Technology (08/09/25)
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  • Principal/Sr Principal Fault Management and System…

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... making history. Northrop Grumman is hiring a qualified Principal/Sr. Principal Systems Engineer to support a National Security Space (NSS) Program in the Tactical… more
    Northrop Grumman (09/19/25)
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  • Principal Engineer - RF Microwave…

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... history. We have openings for a **RF Microwave Design/FPGA Engineer ** to join our team of qualified, diverse individuals...Develop pseudo-code architectures and write FPGA code to implement Software Defined Radio (SDR) software , and firmware.… more
    Northrop Grumman (07/23/25)
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  • Cloud Systems Engineer ( Secret )

    SMX (Washington, DC)
    Cloud Systems Engineer ( Secret ) (4496)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX is ... investigation and solution of complex and advanced cloud requirements, hardware/ software interfaces, and applications, and solutions. **Essential Duties &… more
    SMX (10/16/25)
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