• Network Architect

    SAIC (Springfield, VA)
    …+ Provides client consulting and training on the design and use of the network systems and architectures. + Plans, researches, evaluates and recommends new ... with senior customer leadership. This program provides transparent, interconnected systems and security supporting the DoS in successfully carrying out its US… more
    SAIC (08/07/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator** to join a dynamic team based in **Tysons Corner, VA** . This ... team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within...of the Enterprise Linux infrastructure + Provide support in information security system requirements and design applicable… more
    Leidos (07/29/25)
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  • Senior Systems Engineer, TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …role in ensuring that today is safe, and tomorrow is smarter. **HOW A SR. SYSTEMS ENGINEER WILL MAKE AN IMPACT** + System Design and Architecture: Design and ... define system architecture for new or existing computer systems , ensuring that the infrastructure evolves to meet mission requirements effectively. +… more
    General Dynamics Information Technology (07/18/25)
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  • Network Engineer Tier 2

    CACI International (Springfield, VA)
    Network Engineer Tier 2 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... network performance, consult on improvements, and make technology recommendations to senior management. Experience with large-scale enterprise networks in a… more
    CACI International (07/26/25)
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  • Senior Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    …Ft. Belvoir, VA Join our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior System Administratorwill provide primary ... Senior Systems Administrator...information assurance support. Duties and Responsibilities: + Provide systems administration support for the Windows operating system more
    Chenega Corporation (06/02/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior ** **IT Systems Administrator** to join our team in **Chantilly, VA.** **Responsibilities ... + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad...through its online applicant system , please email us at ###@mantech.com and provide your name and contact information more
    ManTech (07/22/25)
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  • Network Engineer Tier 3

    CACI International (Chantilly, VA)
    …are needed on an ongoing basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support an Intelligence Community customer's diverse ... Network Engineer Tier 3 Job Category: Information...performance, consult on improvements, and make technology recommendations to senior management. Experience with large-scale enterprise networks more
    CACI International (07/26/25)
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  • Core/WAN Network Designer- Tier 3

    CACI International (Sterling, VA)
    …This position encompasses the design, implementation, and maintenance of complex, global enterprise networks . The Senior Network Engineer will act as a ... CORE/WAN Network Designer- Tier 3 Job Category: Information...and configure WAN hardware, including voice, video, and data systems . + Support the development of system more
    CACI International (07/26/25)
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  • Senior Systems Development Engineer,…

    Amazon (Arlington, VA)
    …infrastructure to identify and reduce risks to Amazon. We are looking for a Senior Systems Development Engineer who is excited about designing and building ... Computer Science or relevant degree/experience. Preferred Qualifications - Experience with distributed systems at scale - Strong knowledge of system architecture… more
    Amazon (07/18/25)
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  • Software Engineer ( Senior ISSE)

    BAE Systems (Sterling, VA)
    …levels from developer to senior staff + Knowledge of the complex network environments involving shared networks and multiple security enclaves + Possess the ... **Job Description** BAE Systems , a top-ten prime contractor to the US...Plans (SSP)/CONOPS in the Greenlight application. + Gather the information by working with various team members in order… more
    BAE Systems (05/21/25)
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