• Senior Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Cyber Security Engineer ** to join our team in **Chantilly, VA** . Senior Cyber ... of cybersecurity frameworks and best practices + Familiarity with cloud security and virtualized infrastructure technologies + Ability to troubleshoot… more
    ManTech (12/11/25)
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  • Senior Information System Security

    General Dynamics Information Technology (Reston, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior ** **Information System Security ** ** Engineer ** Deliver ... for enterprise information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor cutting-edge solutions to… more
    General Dynamics Information Technology (11/21/25)
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  • Senior Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Security Engineer Job Description...trends and identify security incidents + Use security tools to audit infrastructure , detect issues and ... As the security section grows, so will the tools and the ** Senior Security Engineer ** will be the person charged with implementing them. The successful… more
    CoStar Realty Information, Inc. (10/24/25)
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  • Senior Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports a ... for professionals with strong technical expertise and a desire to shape the security infrastructure of the future. **Responsibilities include but are not limited… more
    ManTech (12/13/25)
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  • Senior Software Engineer

    Walmart (Herndon, VA)
    …first line of defense for our global digital footprint. We are looking for a Senior Software Engineer to architect and deliver the next generation of security ... across infrastructure , automation, and AI/ML integration. The Edge Ingress Security team protects Walmart's global internet presence - securing our eCommerce… more
    Walmart (01/16/26)
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  • Senior Information Systems Security

    Amentum (Warrenton, VA)
    …for transformative change. **Responsibilities:** The duties and responsibilities of the ** Senior Information System Security Engineer (ISSE)** include, ... voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. The Lone Wolf program boasts a professional… more
    Amentum (01/09/26)
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  • Senior Principal Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role ... **Responsibilities include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to… more
    ManTech (12/13/25)
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  • CEI Senior Project Engineer

    Parsons Corporation (Centreville, VA)
    …and quality focus on Critical Infrastructure projects. We are hiring a Sr . Project Engineer to lead and direct our Construction Engineering and Inspection ... Unleash your talent and redefine what's possible. **Job Description:** **CEI Senior Project Engineer (Construction)** Parsons' Road/Highway and Bridge teams… more
    Parsons Corporation (12/04/25)
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  • Power Systems Research Engineer - Energy…

    Pacific Northwest National Laboratory (Richmond, VA)
    …and dedicated budget. Our Science & Technology directorates include National Security , Earth and Biological Sciences, Physical and Computational Sciences, and Energy ... maintain a reliable, affordable, secure, and resilient electricity delivery infrastructure ; research, development, validation, and effective utilization of renewable… more
    Pacific Northwest National Laboratory (01/13/26)
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  • Senior Desktop Engineer SCCM

    SAIC (Quantico, VA)
    …Combatant Commands Business Group of SAIC is seeking a Senior Desktop Engineer (SCCM) to support a transformational infrastructure program for DCSA. SAIC is ... **Description** **SAIC is seeking a Sr . Desktop Engineer (SCCM) for a...applicable. **Qualifications** **Required Qualifications** It is required that the Senior Desktop Engineer have the following qualifications:… more
    SAIC (12/03/25)
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