• Senior Systems Engineer

    M. C. Dean (Vienna, VA)
    …other components of our cybersecurity infrastructure. As part of the team, the ** Senior Systems Engineer ** 's responsibilities will include (but will not ... be limited to) the following: + Analysis of cybersecurity framework (NIST, ISO, CMMC), and development of **detailed architecture and design** of system and security… more
    M. C. Dean (11/26/25)
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  • Cybersecurity Engineer 6

    M. C. Dean (Chantilly, VA)
    …outcomes, improving lives, and changing the world for the better. We are seeking a ** Cybersecurity Engineer 6** to join our **Security and Electronic Systems ... integrated systems + Working on government and/commercial projects implementing cybersecurity requirements in a variety of industrial control systems (eg,… more
    M. C. Dean (11/28/25)
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  • Cybersecurity Engineer - Zero Trust

    CACI International (Chantilly, VA)
    Cybersecurity Engineer - Zero Trust Job Category:...* * **The Opportunity:** Join our team as a Senior System Engineer in Data Security, supporting our ... by visiting VORPAL Jobs (https://careers.caci.com/vorpal) . **Responsibilities:** * Design, engineer , and implement complex data protection solutions beyond data… more
    CACI International (12/05/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …including but not limited to Standard Operating Procedures and VISIO diagrams. ** Senior Principal Cyber Systems Engineer Basic Qualifications:** + ... engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful candidate will be… more
    Northrop Grumman (01/01/26)
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  • Cybersecurity Professionals - Ongoing…

    V2X (Reston, VA)
    …Testing Associate Mid-Level (3-7 Years Experience) + Incident Response Analyst + Cybersecurity Engineer + Cloud Security Specialist + Forensics Investigator + ... If you're looking for a mission-driven career protecting critical systems and infrastructure, join our Cybersecurity Talent...Security Operations Center (SOC) Lead Senior -Level (7+ Years Experience) + Information Security Manager +… more
    V2X (11/27/25)
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  • Senior Information Systems Cyber…

    The MITRE Corporation (Mclean, VA)
    …(R311) within the Global Security Services Division (R300) is looking to fill a Senior Information Systems Security Officer position, with a focus on classified ... candidate will support multiple sponsors by providing Information Assurance and Cybersecurity services specifically for classified systems . The ideal candidate… more
    The MITRE Corporation (12/18/25)
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  • Cleared Senior Information Systems

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take ... the next steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and...building a team of highly qualified professionals specializing in Cybersecurity , Cloud, and Systems Engineering to support… more
    Virtual Service Operations (11/09/25)
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  • Senior Sales Engineer - SLED, Mid…

    Proofpoint (Reston, VA)
    …as a Sales/ Systems Engineer , Technical Account Manager, Security Engineer or senior level product support, preferably in the cyber-security industry ... About Us: We are the leader in human-centric cybersecurity . Half a million customers, including 87 of...in our sales process every single day. As a Senior Sales Engineer working with accounts in… more
    Proofpoint (12/25/25)
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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, but are ... responsible for maintaining the test and operational environments to include all cybersecurity tool sets and collaborating with systems and network engineers.… more
    Amentum (01/09/26)
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  • Senior Systems Engineer

    M. C. Dean (Vienna, VA)
    …includes secure cloud-hosted and on-premises environments. As part of the team, the ** Senior Systems Engineer ** 's responsibilities will include (but will ... + **Producing detailed system design** , including network and systems infrastructure, application hosting, cloud services, and related components, integration… more
    M. C. Dean (11/28/25)
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  • Senior SIGINT Systems

    KBR (Chantilly, VA)
    Title: Senior SIGINT Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a...the future of space defense. KBR is seeking a Senior SIGINT Systems Engineer to… more
    KBR (12/16/25)
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  • Systems Engineer - Research…

    KBR (Chantilly, VA)
    …that ensure national security and shape the future of space defense. KBR is seeking a Senior Systems Engineer to support our customers in Chantilly, VA. The ... Title: Systems Engineer - Research and Development - Senior...engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a… more
    KBR (10/29/25)
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  • Senior Systems Engineer

    Jacobs (Chantilly, VA)
    Knack Workes, a Jacobs company, is seeking a highly skilled Senior Systems Engineer / Network Engineer with 10+ years of IT experience and proven ... engineering role responsible for designing, deploying, and supporting enterprise systems , network monitoring platforms, and automation solutions that ensure high… more
    Jacobs (01/09/26)
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  • Senior Computer Network Defense (CND)…

    V2X (Springfield, VA)
    …tools as deployed within hosted Information Systems . Responsibilities + The Senior CND Engineer develops and manages the tools, tactics, and techniques ... challenges with integrity, respect, responsibility, and professionalism. We are hiring for a Senior Computer Network Defense (CND) Engineer with an active TS/SCI… more
    V2X (12/12/25)
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  • Senior Systems Engineer Tier…

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    **Overview** SENIOR SYSTEMS ENGINEER | TIER III (MIELS): Bowhead is seeking Senior Systems Engineers to support a customer in Stafford, VA. Support ... new equipment fielding and training; financial management; information assurance; cybersecurity ; and 24X7 enterprise services operations and sustainment. **Responsibilities**… more
    UIC Government Services and the Bowhead Family of Companies (01/09/26)
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  • Senior Cloud Engineer Architect…

    Leidos (Fort Belvoir, VA)
    …internal and external mission partners operating in CONUS and OCONUS locations. The Senior Cloud Engineer /Architect (Azure) supports design of a new, modernized ... Zero Trust-aligned, IL4/IL5-accredited solutions integrating Azure, AWS, and on-premises systems in accordance with DoD cybersecurity requirements. **Primary… more
    Leidos (11/15/25)
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  • Senior Information System Security…

    ManTech (Chantilly, VA)
    **MANTECH** seek a motivated, career and customer-oriented ** Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico, ... or existing network system(s). Ensure that the design of hardware, operating systems , and software applications adequately address cybersecurity requirements for… more
    ManTech (01/01/26)
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  • Senior SOAR Engineer

    Chenega Corporation (Oakton, VA)
    **Req ID:** 38668 **Summary** ** Senior SOAR Engineer ** **Oakton, VA** Are you ready to enhance your skills and build your career in a rapidly evolving business ... interests of our nation. SecuriGence is seeking a talented Senior Solutions Engineer to help contribute to...related fields. + 8+ years of professional experience in cybersecurity with at least 5+ years dedicated to SOAR… more
    Chenega Corporation (12/23/25)
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  • C2 Systems Engineer VI

    Linchpin Solutions, Inc. (Quantico, VA)
    …with MCEN standards, DoD cybersecurity requirements, and TECOM training objectives. The Senior Systems Engineer manages the engineering team at MISTC HQ ... VA; routine travel to <20%, CONUS/OCONUS Role Overview: The Senior Systems Engineer serves as...a distributed team of Systems Engineers and Systems Administrators + Overseeing configuration management, cybersecurity more
    Linchpin Solutions, Inc. (11/22/25)
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  • Senior Cyber Security Engineer

    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 ... mission-critical cybersecurity initiative and is ideal for professionals with strong...include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment… more
    ManTech (12/13/25)
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