• 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 ... at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver… more
    M. C. Dean (11/28/25)
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  • Cybersecurity SIEM Systems Engineer

    BAE Systems (Sterling, VA)
    …we're passionate about protecting people and organizations from cyber threats. As a Cybersecurity SIEM Systems Engineer , you'll play a critical role in ... contribute to the development of cutting-edge technologies. As a Cybersecurity SIEM Systems Engineer , you will be...\#Castle-Net **Required Education, Experience, & Skills** + **Experience:** + 6 years of experience with a bachelor s degree… more
    BAE Systems (10/30/25)
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  • Cybersecurity Systems Engineer

    BAE Systems (Sterling, VA)
    …we're passionate about protecting people and organizations from cyber threats. As a Cybersecurity Systems Engineer , you'll play a critical role in supporting all ... of cybersecurity systems. **Job Description:** As a Cybersecurity Systems Engineer , you will be responsible...Systems, Computer Science, or related field. + **Experience:** + 6 years of experience with a Bachelor's degree in… more
    BAE Systems (10/30/25)
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  • Cybersecurity Automation Engineer

    General Dynamics Information Technology (Falls Church, VA)
    …Description:** Seize your opportunity to make a personal impact as a ** Cybersecurity Automation Engineer ** supporting the United States Postal Service. GDIT ... career. At GDIT, people are our differentiators. As a ** Cybersecurity Automation Engineer ** , you will help...left the US (including US Territories) for longer than 6 months consecutively in the last 3 years (unless… more
    General Dynamics Information Technology (11/05/25)
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  • Lead Cybersecurity Engineer /Task…

    The MITRE Corporation (Arlington, VA)
    …its critical systems for the future. Roles & Responsibilities: The Lead Cybersecurity Engineer /Task Lead will oversee and drive critical MITRE cryptographic ... the Department of War (DoW) Chief Information Officer (DCIO) Cybersecurity Task. This Lead Cyber Security Engineer /DoW...cybersecurity , computer science, mathematics, or related fields; or 6 years and a Master's degree; or a PhD… more
    The MITRE Corporation (01/06/26)
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  • Cybersecurity Architect / Engineer

    Leidos (Mclean, VA)
    …AI/ML modeling. To promote these efforts, Leidos is looking for a ** Cybersecurity Architect / Engineer ** - Connected Intelligent Transportation Systems (C-ITS) ... * Expert Role: Be recognized as a subject matter expert in ** Cybersecurity and Security Engineering.** * Innovative Work: Influence the development of cutting-edge… more
    Leidos (12/19/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful candidate will be expected to ... Operating Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have an active **TS/SCI...must be maintained. + 8 Years with Bachelors Degree; 6 Years with Masters; 4 Year with PhD; 12… more
    Northrop Grumman (01/01/26)
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  • Security Engineer - Continuous Diagnostics…

    Insight Global (Mclean, VA)
    …real-time risk awareness across on-premises and cloud environments. The Security Engineer works closely with cybersecurity operations, system owners, and ... Job Description The Security Engineer - Continuous Diagnostics and Mitigation (CDM) is...Engineering, Information Systems, Mathematics, Technology, or related IT field 6 + years of experience in cybersecurity engineering,… more
    Insight Global (01/06/26)
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  • Cyber Security Implementation Engineer

    CACI International (Springfield, VA)
    …infrastructure and applications running on Windows and Linux operating systems + Engineer and implement cybersecurity solutions leveraging cloud services such as ... Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time...to work independently with little direction and guidance + 6 + years related technical experience in network/ cybersecurity more
    CACI International (11/14/25)
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  • Senior Sales Engineer - SLED, Mid Market…

    Proofpoint (Reston, VA)
    About Us: We are the leader in human-centric cybersecurity . Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their ... of a global team that breaks barriers to redefine cybersecurity , guided by our BRAVE core values: Bold in...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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  • Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    **Description** As a Security Engineer on our team, you will operate and maintain network security infrastructure utilized by a team of cybersecurity analysts in ... team members to deploy and manage policies, rules, and signature sets on cybersecurity capabilities + Manage high-priority tasks and outages + Maintain, develop, and… more
    Leidos (11/15/25)
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  • Cyber Systems Engineer - level 3 or 4

    Northrop Grumman (Dulles, VA)
    …systems/networks to use, or scanning, remediating, mitigating, and reporting cybersecurity vulnerabilities discovered through use of audit reduction tools and/or ... to architect, implement, and satisfy Risk Management Framework (RMF) CyberSecurity , CyberResilience, and/or CyberSurvivability requirements of satellite systems, communications… more
    Northrop Grumman (12/02/25)
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  • Channel Systems Engineer 2

    Palo Alto Networks (Reston, VA)
    …At Palo Alto Networks(R) everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a ... who are as committed to shaping the future of cybersecurity as we are. **Who We Are** This role...work truly matters. **Your Career** As a Channel Systems Engineer covering some of our leading US channel partners… more
    Palo Alto Networks (12/11/25)
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  • Senior Information System Security Engineer

    ManTech (Chantilly, VA)
    …seek a motivated, career and customer-oriented **Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico, Chantilly, Huntsville, ... IS and Network Environment security requirements in accordance with applicable cybersecurity requirements. + Design security architectures for use within the IS… more
    ManTech (01/01/26)
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  • Tealeaf Security Engineer

    General Dynamics Information Technology (Falls Church, VA)
    …Seize your opportunity to make a personal impact as a **Tealeaf Security Engineer ** supporting the United States Postal Service. GDIT is your place to make ... a rewarding career. At GDIT, people are our differentiators. As a **Tealeaf Security Engineer ** , you will help ensure today is safe and tomorrow is smarter. Our… more
    General Dynamics Information Technology (12/17/25)
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  • Lead Security Engineer

    Leidos (Reston, VA)
    …automate workloads, and pursue next-generation innovation. We are seeking a Security Engineer to serve as a technical leader for our critical cloud modernization ... phase of the System Development Life Cycle (SDLC). As the **Senior Security Engineer ** , you will define the security posture, lead implementation, and oversee the… more
    Leidos (12/20/25)
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  • Information System Security Engineer (ISSE)

    GCyber (Alexandria, VA)
    …Experience: + Active DoD Secret Clearance + Bachelor's with 8+ years of cybersecurity experience (or commensurate experience) + 6 + years of experience supporting ... GCyber is seeking an Information System Security Engineer , to support a government customer. The ISSO...requirements to serve as a liaison between engineering teams, cybersecurity staff, and program leadership. + Develop, review, and… more
    GCyber (11/04/25)
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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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  • AWS Full Stack Infrastructure Engineer

    BCMC (Dulles, VA)
    …address emerging threats. We are seeking a skilled Full Stack Infrastructure Engineer with expertise in AWS Cloud production and development environments. This role ... involves contributing to the design, development, and deployment of advanced cybersecurity capabilities to support CISA's mission today and into the future.… more
    BCMC (01/06/26)
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  • Systems Engineer , MAJESTIC

    Huntington Ingalls Industries (Springfield, VA)
    …experience with Masters in related field; or High School Diploma or equivalent and 6 years relevant experience. + Systems Engineer 3: 5+ years relevant ... supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity , physical facilities, and personnel operations. The selected candidate… more
    Huntington Ingalls Industries (12/20/25)
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