• Systems Engineer ( Engineer

    HII (Suffolk, VA)
    …Mission Technologies, a division of Huntington Ingalls Industries, is seeking a Systems Engineer to support the Joint Training Synthetic Environment (JTSE) ... its fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures… more
    HII (01/16/26)
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  • Radar Systems Engineer

    Integration Innovation, Inc. (i3) (Arlington, VA)
    Overview i3 is seeking an experienced Radar Systems Engineer to design, develop, and optimize advanced radar systems for defense applications. The successful ... cutting-edge radar technologies, from initial concept through deployment, ensuring systems meet stringent performance, reliability, and performance requirements. Pay… more
    Integration Innovation, Inc. (i3) (11/11/25)
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  • Senior Sales Engineer - SLED, Mid Market…

    Proofpoint (Alexandria, VA)
    …Job Requirements + 6+ years of hands on technical experience, either as a Sales/ Systems Engineer , Technical Account Manager, Security Engineer or senior ... About Us: We are the leader in human-centric cybersecurity . Half a million customers, including 87 of...sales process every single day. As a Senior Sales Engineer working with accounts in the SLED space, you… more
    Proofpoint (12/25/25)
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  • Test Engineer III

    Mercury Systems (Chantilly, VA)
    Req. Number 25-553 Job Description Job Summary: Mercury Systems is seeking a Test Engineer III to lead test efforts in developing and executing server systems ... military standards (eg, MIL-STD-810, DO-461, DO-167, DO-178C, DO-254) and cybersecurity requirements. + Oversee and conduct functional, environmental, stress, and… more
    Mercury Systems (12/03/25)
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  • Systems Engineer Manager

    General Dynamics Information Technology (Virginia Beach, VA)
    …Family:** IT Infrastructure and Operations **Skills:** Planning Ability,Project Management, Systems Engineering **Certifications:** CCNP - Cisco - Cisco ... related experience **US Citizenship Required:** Yes **Job Description:** The Chief Engineer leads research, analysis, design, and development activities that will… more
    General Dynamics Information Technology (01/03/26)
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  • Mid-Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator/Network Engineer to join our mission-driven team. This position offers a ... expertise, initiative, and experience supporting a mix of network and systems engineering and administration tasks. Key Responsibilities: Network Design &… more
    Infinity Systems Engineering (01/03/26)
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  • Engineer , Senior-CRIBL

    Cayuse Holdings (Rosslyn, VA)
    …+ Other duties as assigned. **Qualifications** + Minimum 8+ years in IT systems , cybersecurity , or observability engineering; 3+ years directly managing CRIBL ... **Overview** The Engineer , Senior-CRIBL will serve as the technical lead...analytics platforms, enforcing Zero Trust data principles and federal cybersecurity mandates. This position performs all duties and responsibilities… more
    Cayuse Holdings (10/25/25)
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  • Information System Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Langley, VA)
    Information System Security Engineer The Opportunity: As a cyber professional, you know that understanding adversary tactics, techniques, and procedures is vital to ... clients with in-depth expert analysis and response to ensure and enhance the cybersecurity posture and most far-reaching cybersecurity decisions. In the cyber… more
    BOOZ, ALLEN & HAMILTON, INC. (01/16/26)
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  • Adversary Emulation Engineer

    The MITRE Corporation (Mclean, VA)
    …the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference ... that differentiates the department's work from traditional information technology cybersecurity . L541 also brings this specialized knowledge to other domains… more
    The MITRE Corporation (01/13/26)
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  • Multi Cloud Engineer Architect SME

    Leidos (Fort Belvoir, VA)
    …Zero Trust-aligned, IL4/IL5-accredited solutions integrating Azure, AWS, and on-premises systems in accordance with DoD cybersecurity requirements. **Primary ... **Description** Leidos Digital Modernization is seeking an experienced **_Multi Cloud Engineer Architect SME_** to support large-scale migration and operations on a… more
    Leidos (11/15/25)
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