• Senior Mainframe Systems Programmer…

    Ensono (Richmond, VA)
    Systems Programmer ensures the stability, integrity, and efficient operation of information systems that support core organizational functions and clients. ... Senior Mainframe Systems Programmer - zVMRemote...+ Capacity and performance + Storage + Directory and security + Working in a collaborative multi-client Environment.Knowledge preferred… more
    Ensono (10/07/25)
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  • Senior Systems Analyst

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Systems Analyst** to join our team in **Chantilly, VA** . The position is **onsite** . ... Services, DHCP, DNS, Active Directory, Group Policies and Microsoft Windows Operating Systems + ​Diagnosing and resolving the performance, security , and/or… more
    ManTech (10/29/25)
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  • Senior Enterprise-level Systems

    KBR (Chantilly, VA)
    Title: Senior Enterprise-level Systems Engineering and Technical Analyst (SETA) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team ... and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on… more
    KBR (10/28/25)
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  • Senior Intelligence and Security

    Koniag Government Services (Falls Church, VA)
    Koniag IT Systems , LLC, a Koniag Government Services company, is seeking a Senior Intelligence and Security Advisor with a TS/SCI security clearance to ... AI, data, analytics, and digital services at scale. The Senior Intelligence & Security position is a...as counterintelligence and program protection functions to safeguard CDAO information , technology and assets + Provide direct support to… more
    Koniag Government Services (11/08/25)
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  • Senior Systems Engineer, AWS Managed…

    Amazon (Herndon, VA)
    …and efficiency to operate AWS Regions. Amazon is looking for highly motivated Senior Systems Engineers who can balance the day-to-day operations of AWS' ... PowerShell or similar languages Preferred Qualifications - Bachelor's Degree in Computer Information Systems , Computer Engineering or a related discipline - 6+… more
    Amazon (09/09/25)
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  • Senior Specialist, Systems

    L3Harris (Springfield, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Specialist, Systems Engineering - Joint Exercise ... that stress capabilities and improve the resilience of national space systems . This position requires expertise in exercise planning, operational integration, and… more
    L3Harris (10/16/25)
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  • System Engineer - GEOINT

    KBR (Springfield, VA)
    …sensing, image science, information sciences, geographic information systems , geomatics, or related fields. Security Clearance Requirements: Active ... engineering, physics, mathematics, operations research, engineering management, Computer Science, Information Technology, Management Information Systems , or… more
    KBR (09/10/25)
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  • Senior CrowdStrike Falcon Endpoint…

    AIG (Reston, VA)
    …Falcon Endpoint Security Engineer will be part of AIG's Enterprise Information Security Organization, responsible for Engineering and Operational support of ... help customers to manage risk. Join us as a Senior CrowdStrike Falcon Endpoint Security Engineer to...security goals + Drive the day-to-day administration of security systems , performing advanced threat hunting, and… more
    AIG (10/24/25)
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  • Senior Satellite Systems Engineer…

    RTX Corporation (Dulles, VA)
    …problems that create a safer, more secure world. Raytheon is seeking a Senior Satellite Systems Engineer, providing mission-specific systems engineering and ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (11/13/25)
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  • Systems Engineer, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Systems Engineer, Senior The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in ... national security ? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs… more
    BOOZ, ALLEN & HAMILTON, INC. (11/17/25)
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