• Senior Network Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... community, defense, civil, and commercial markets. We're seeking a skilled ** Senior Network Engineer** to support implementation and sustainment of enterprise… more
    Nightwing (12/16/25)
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  • Senior UNIX System Engineer w/Secret…

    TekSynap (Radford, VA)
    …operating procedures, and policies. + Perform system hardening and report on security and operational status. + Identify system improvements and lead new ... QUALIFICATIONS** **Experience** + Five (5) years as a UNIX Systems Administrator or IT Engineer, including task automation. +...of experience in patch management (YUM, RPM) and applying security updates. + Three (3) years working in complex… more
    TekSynap (10/25/25)
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  • Senior Vetting & Analysis Analyst

    CACI International (Vienna, VA)
    Senior Vetting & Analysis Analyst Job Category: Finance and Accounting Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... * * **The Opportunity:** Step into a pivotal role supporting the Transportation Security Administration's (TSA) Intelligence and Analysis (I&A) office as a Vetting &… more
    CACI International (01/10/26)
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  • Senior Signal Processing Engineer

    Leidos (Arlington, VA)
    …and dissemination systems . Duties may include **designing, developing, and analyzing systems for the extraction of information from signal sensors** . You ... growing enterprise - protecting the warfighter and our national security against ever-adapting threats** . Due to success of...San Diego, CA) currently has an opening for a ** Senior Signal Processing Engineer** . As a LInC EW… more
    Leidos (01/16/26)
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  • Senior Experimental Photonics Scientist

    Leidos (Arlington, VA)
    **Description** We are looking for a Senior Experimental Photonics Scientist to join The Leidos Quantum Incubator. In this role, you'll be responsible for overseeing ... has strong experimental skills. We are looking for a senior scientist who wants to help mature new technologies...and oversee/maintain current lab hardware. + Use photonic probing systems and free space optics to conduct detailed testing… more
    Leidos (01/06/26)
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  • Physicist - Senior

    SOS International LLC (Reston, VA)
    …deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. **Job Description** Overview SOSi is seeking a ... Senior level Physicist (Scientific Support) to provide technical and...leader audiences, formulating presentations for reviews and requests for information . **Qualifications** Minimum Requirements + BA degree in relevant… more
    SOS International LLC (11/21/25)
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  • Senior ServiceNow Developer

    CGI Technologies and Solutions, Inc. (Vienna, VA)
    ** Senior ServiceNow Developer** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Vienna **Position ID:** J1225-0933 ... using cookies -Learn more (xweb.asp?clid=21001&page=cookiespolicy#integrationofyoutube) . **Position Description:** The Senior ServiceNow Developer will play a key role in… more
    CGI Technologies and Solutions, Inc. (12/11/25)
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  • Chemical Weapons Analyst - Senior

    SOS International LLC (Reston, VA)
    …deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. **Job Description** Overview SOSi is seeking a ... Senior level Chemical Weapons Analyst (Joint Intelligence Preparation of...and future Chemical Weapons programs. + Identify technical capabilities, security , and vulnerabilities to Chemical Weapons programs, to include,… more
    SOS International LLC (11/21/25)
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  • Senior Network Engineer

    System One (Mclean, VA)
    Job Title: Senior Network Engineer Location: Arlington, VA Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Active Top Secret Clearance ... and support switches, routers, and data circuits for voice, data, and video systems . + Ensure secure configuration of network infrastructure in compliance with DoD… more
    System One (12/26/25)
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  • Senior Cyber Operations Analyst

    The MITRE Corporation (Mclean, VA)
    …our work program in new ways. MITRE is seeking an experienced Senior Cyber Analyst who will lead high-visibility/high-impact efforts that provide significant ... contributions to the safety and security of the United States. The position will work...work closely with sponsor staff and regularly engage with senior leaders to understand their priorities and shape work,… more
    The MITRE Corporation (01/19/26)
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