• Senior Systems Engineer (Hybrid)

    CareFirst (Reston, VA)
    …processes and working parameters for hardware/software compatibility. We are looking for a Systems Engineer to manage and support enterprise endpoints and drive ... monitoring, supporting and optimizing all networked software and associated operating systems . Assesses architecture and current system limitations, defines and… more
    CareFirst (01/09/26)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    …, and virtualized systems . + Strong understanding of Windows and Linux systems , operating system security principles, TCP/IP networking, 802.1x, and core ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports a… more
    ManTech (12/13/25)
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  • OPIR Systems Engineer

    KBR (Chantilly, VA)
    Title: OPIR Systems Engineer Belong. Connect. Grow. with KBR! KBR is seeking a highly qualified OPIR Systems Engineer to provide Systems Engineer ... to IC and DoD users. As a Senior OPIR Systems Engineer , you will be responsible for...contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape… more
    KBR (12/29/25)
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  • Principal /Sr. Principal Cyber Systems

    Northrop Grumman (Fairfax, VA)
    …Cyber Systems Engineer level. **Basic Qualifications for a Principal Cyber Systems Engineer :** + A security clearance is not required at the ... + Experience working in a chemistry lab environment performing product/ system analysis, development, and testing. + Intermediate to strong...and groups. **Basic Qualifications for a Senior Principal Cyber Systems Engineer :** + A security more
    Northrop Grumman (11/21/25)
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  • Tealeaf Security Engineer

    General Dynamics Information Technology (Falls Church, VA)
    …Description:** Seize your opportunity to make a personal impact as a **Tealeaf Security Engineer ** supporting the United States Postal Service. GDIT is your ... At GDIT, people are our differentiators. As a **Tealeaf Security Engineer ** , you will help ensure...and optimizing sessions capture fidelity, replay accuracy, and overall system stability. + This role sits at the intersection… more
    General Dynamics Information Technology (12/17/25)
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  • Business Information Security Officer…

    Huntington Ingalls Industries (Fairfax, VA)
    …Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $116,978.00 - $167,000.00 Security Clearance: Ability to Obtain Level of Experience: Senior Meet ... defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR,… more
    Huntington Ingalls Industries (01/14/26)
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  • Software Engineer (lead) - level 4

    Northrop Grumman (Fairfax, VA)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... your pioneering spirit to our collaborative teams. This _Software Engineer (lead)_ _- Level 4_ role at our **Fairfax,...network traffic solutions to optimize data flow through the system . The work will include complex algorithm development for… more
    Northrop Grumman (11/19/25)
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  • System Development Engineer , GEMS…

    Amazon (Arlington, VA)
    …for internal and external resources, and develop to meet scaling needs. The Systems Development Engineer will be defining requirements and standards from ... NEC and NFPA. * Support emulation and simulation modeling of material handling systems . * Document control system and equipment configuration changes and keep… more
    Amazon (12/06/25)
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  • Software Developer 4 : Principal Software…

    Oracle (Richmond, VA)
    …Infrastructure Development" Are you interested in building large-scale distributed infrastructure systems for the cloud? The OCI team is building new technologies ... of cloud-based services. We are looking for hands-on, distributed systems engineers and architects with expertise and passion in...early stage, and working on ambitious new initiatives. An engineer at any level can have significant technical and… more
    Oracle (12/18/25)
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  • (USA) Network Engineer III, Information…

    Walmart (Herndon, VA)
    …vulnerability assessment, and security controls to safeguard information systems . Collaborating across teams, the engineer supports issue resolution ... **Position Summary ** The Network Engineer III, Information Security , plays a...principles, vulnerability scanning, and threat modeling to safeguard information systems . + Experience with risk management frameworks and implementation… more
    Walmart (01/15/26)
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