• Red River (Washington, DC)
    Red River Technology is actively seeking a dedicated and highly skilled Senior Network & Systems Engineer with deep expertise in Cisco ACI, virtualization ... 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 ...adhering to one-way diode transfer protocols.** Reporting to the Senior Manager of Information Security Engineering, you will be… 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...platforms and will work under the direction of the Senior Wi-Fi Team Lead to design and support network… more
    DirectEmployers Association (09/25/25)
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  • Senior Software Engineer

    General Dynamics Information Technology (Oakton, VA)
    …of related experience **US Citizenship Required:** Yes **Job Description:** GDIT is seeking a Senior Software Engineer to join our team. US Citizenship ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** Software...onsite. Deliver simple solutions to complex problems as a Senior Software Engineer at GDIT.… more
    General Dynamics Information Technology (09/13/25)
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  • Senior Software Engineer

    Microsoft Corporation (Reston, VA)
    Microsoft has an exciting opportunity for a Senior Software Engineer in the Cloud+AI Azure Data Explorer team. As part of a core product engineering group, ... in highly secured and regulated industries. The systems and software you build will be required to meet the...+ Builds, enhances, reuses, contributes to, and identifies new software developer tools to support other programs and applications… more
    Microsoft Corporation (10/18/25)
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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 ... and self-motivated individual to perform the duties of a Senior Software Engineer to support...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 ... and self-motivated individual to perform the duties of a Senior Software Engineer to support...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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  • Senior Software Engineer

    Cinteot (Fort Belvoir, VA)
    SENIOR SOFTWARE ENGINEER REQUIREMENTS: + Active TOP SECRET /SCI + Bachelor's Degree in Systems Engineering, Software Engineering, or Computer Science ... JAVA, XML, PHP Oracle, MS SQLServer, ColdFusion Server, CFML, CFScript IIS, Sencha Software tool, Python and Windows Server 2016R@ or higher. + Experience in writing… more
    Cinteot (10/17/25)
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  • Senior Software Engineer

    RTX Corporation (Sterling, VA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret ** Senior Software Engineer ** **- Simulation & ... Collins Aerospace is on the lookout for a talented Senior Software Engineer to join...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

    RTX Corporation (Sterling, VA)
    …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 people on the planet is not… more
    RTX Corporation (09/16/25)
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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...Senior *+ years) + Active Security Clearance Required: Secret + Experience with IBM Maximo (custom development and… more
    SMX (10/16/25)
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  • Senior Site Reliability Engineer

    Microsoft Corporation (Reston, VA)
    …no further than the Microsoft Defender engineering team. We are looking for a Senior Site Reliability Engineer who will be building and delivering cloud ... Technology, or related field AND 2+ years technical experience in software engineering, network engineering, or systems administration OR Bachelor's Degree in… more
    Microsoft Corporation (09/05/25)
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  • Senior Mechanical Engineer - Top…

    Jacobs (Reston, VA)
    …high voltage power, mechanical systems, fire protection, construction, etc.) * Professional Engineer (PE) Registration desired * Active Top Secret clearance, ... evolve, grow, and succeed - today and into tomorrow. The Mechanical Engineer will have essential multi-discipline team representation and be self-motivated, well… more
    Jacobs (10/10/25)
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  • Systems Engineer SME - Exchange Messaging…

    General Dynamics Information Technology (Washington, DC)
    …**US Citizenship Required:** Yes **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 seeking a highly skilled… more
    General Dynamics Information Technology (10/06/25)
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  • Principal Systems Engineer - Active Top…

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

    Northrop Grumman (Dulles, VA)
    …making history. Northrop Grumman Space Systems Sector seeks a qualified Principal or Senior Principal Systems Engineer for the role of Ground Segment Systems ... Engineer for a Ground/Mission Software program. This role requires on-site, in-person support in...or related area and 3 years of experience. + ** Senior Principal Engineer Level (T4)** - BS… more
    Northrop Grumman (10/17/25)
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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 ... seeking **Cloud Systems Engineers (Junior/Mid/ Senior /SME)** supporting the design and implementation of secure, scalable multi-cloud infrastructure, applications,… more
    SMX (10/16/25)
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  • System Engineer - Active Secret

    NANA Regional Corporation (Washington, DC)
    ADM is looking for a System Engineer II to work in Washington, DC. To join our team of outstanding professionals, apply today! **Responsibilities** + Serve as a ... Designs, implements, installs, maintains, and administers infrastructures including hardware, software , and various configurations. + Monitors overall performance to… more
    NANA Regional Corporation (09/19/25)
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  • Civil Engineer - Top Secret

    Leidos (Reston, VA)
    **Description** Leidos has several openings for a Civil Engineer in Reston, Virginia. The primary focus of the group is reverse engineering Weapons of Mass ... characterization process to produce accurate intelligence estimates + Brief senior officials regarding capability, trends and analysis **Clearance Requirement:** +… more
    Leidos (10/09/25)
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  • Site Reliability Engineer - CTJ - Top…

    Microsoft Corporation (Reston, VA)
    …and observability, and engage in design/code reviews with guidance from senior engineers. + Incident Response & Postmortems: Troubleshoot issues during on-call, ... + The successful candidate must have an active US Government Top Secret Security Clearance. Ability to meet Microsoft, customer and/or government security screening… more
    Microsoft Corporation (09/12/25)
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