• 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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  • 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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  • 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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  • 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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  • Lead Security Engineer

    Foxhole Technology, Inc (Leesburg, VA)
    …mission-focused Lead Security Engineer to support a Department of Defense (DoD) cybersecurity program. In this role, you will lead a team of penetration testers ... **Overview** **Job Title: Lead Security Engineer ** **Clearance: Secret** **Location: Leesburg, VA -Hybrid (Onsite...(Onsite 3 days per week)** Foxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and… more
    Foxhole Technology, Inc (12/19/25)
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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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  • 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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  • Full Stack Infrastructure and Monitoring…

    Nightwing (Sterling, VA)
    …and Defense Experts (CODEX) is 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
    Nightwing (01/07/26)
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  • ForeScout Engineer - Active TS/SCI with CI…

    ENS Solutions (Reston, VA)
    …to solve complex security challenges. You will lead a team as they engineer solutions to complex challenges for customers using knowledge network engineering, Active ... of audiences, including senior management. + Manage infrastructure and cybersecurity controls, including enhanced detection and vulnerability capabilities and… more
    ENS Solutions (12/06/25)
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  • Field Utility Engineer

    Nightwing (Sterling, VA)
    …civil, and commercial markets. Nightwing is seeking an experienced and cleared Field Utility Engineer in support of the US Government in the Warrenton, VA area. The ... Education:** + Bachelor's Degree and a minimum of six ( 6 ) years of experience + Eight (8) years of...on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing… more
    Nightwing (01/01/26)
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  • Network Engineer (Intelligence Center)

    The MITRE Corporation (Chantilly, VA)
    …the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference ... Space Intelligence Systems is looking for a Principal Network Engineer role that will be supporting multiple classified infrastructures...years of related experience with a bachelor's degree; or 6 years and a master's degree; or a PhD… more
    The MITRE Corporation (12/20/25)
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  • Illumio Zero Trust Segmentation Platform…

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Illumio Zero Trust Segmentation Platform Engineer Key Role: Lead the design, deployment, configuration, and optimization of Illumio Core and Illumio Edge across ... security playbooks. Basic Qualifications: + 5+ years of experience in cybersecurity , cloud security, or infrastructure engineering + 3+ years of experience… more
    BOOZ, ALLEN & HAMILTON, INC. (12/30/25)
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  • Lead Network Engineer

    Nightwing (Sterling, VA)
    …defense, civil, and commercial markets. **Nightwing is seeking a Lead Network Engineer to support onsite in McLean, VA.** **Responsibilities:** **Assist the Systems ... assigned by the Lead System Administrator.** **Assist the Lead, Network Engineer in developing and implementing IT/network plans.** **Manages network operations… more
    Nightwing (10/23/25)
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  • Prin. Software Engineer (Elastic)

    Nightwing (Sterling, VA)
    …customers in the intelligence community, defense, civil, and commercial markets. The Elastic Engineer will be a part of a team of Data Analytic Engineers enhancing, ... to obtain a TS/SCI clearance + Must be able to obtain DHS Suitability + 6 + years of directly relevant software development experience required. + At least 2 years of… more
    Nightwing (11/26/25)
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  • Cloud Engineer

    Nightwing (Sterling, VA)
    …clearance, TS/SCI clearance is preferred. - Must be able to obtain DHS Suitability. - 6 + years of experience as a Cloud Engineer , Linux Systems Engineer , ... restoration of services. Nightwing is seeking an experienced Cloud Engineer with strong Red Hat Enterprise Linux (RHEL) experience...on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing… more
    Nightwing (11/26/25)
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  • Senior System / Network Engineer

    Intrepid Solutions and Services (Ashburn, VA)
    **Overview** We are seeking a Project Lead SeniorSystem / Network Engineer to support the development of the Marine Air Defense Integrated System (MADIS) counter-UAS ... hands-on environment. **Responsibilities** The Project Lead Senior System / Network Engineer position supports a mission to develop, prototype, fabricate, integrate,… more
    Intrepid Solutions and Services (12/17/25)
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