• Optiv Security, Inc. (Herndon, VA)
    A Senior Engineer is an individual who operates independently without direct supervision who is responsible for leading the delivery of an engagement with the sole ... customers. To be successful in this role, a Senior Engineer will be expected to not only maintain a...lead a team of Associate, Level I, and Level II Engineers in their day-to-day operations and career development.… more
    Upward (07/09/25)
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  • Cybersecurity Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Chantilly, VA)
    Cybersecurity Engineer , Senior The Opportunity: Are you...degree + Ability to obtain a DoD IAT Level II Certification within 6 months of hire date Nice If ... in network and system security to safeguard our nation? As a cybersecurity engineer , you can identify, implement, and operate the systems, tools, and approaches… more
    BOOZ, ALLEN & HAMILTON, INC. (07/25/25)
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  • Cybersecurity Malware Reverse…

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Cybersecurity Malware Reverse Engineer ** to join our team in the **DC, Maryland, and Virginia (DMV) ... + 1+ years of experience in reverse engineering, malware analysis, and cybersecurity . + 8570 Certification- Level II **Preferred Qualifications:** + Previous… more
    ManTech (06/12/25)
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  • Cybersecurity Support Services…

    General Dynamics Information Technology (Chantilly, VA)
    …Citizenship Required:** Yes **Job Description:** We are seeking an experienced ** Cybersecurity Support Services Engineer ** to perform ongoing cybersecurity ... **Public Trust/Other Required:** None **Job Family:** Information Security **Skills:** Cybersecurity ,Incident Response,Vulnerability Remediation **Experience:** 3 + years of related… more
    General Dynamics Information Technology (06/03/25)
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  • Modeling & Simulation Engineer (Senior…

    KBR (Reston, VA)
    Title: Modeling & Simulation Engineer (Senior II ) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... and shape the future of space defense. KBR is seeking a Modeling & Simulation Engineer (Senior II ) with AFSIM experience to join a team of quantitative analysts… more
    KBR (07/25/25)
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  • Modeling & Simulation Engineer (Senior…

    KBR (Reston, VA)
    Title: Modeling & Simulation Engineer (Senior II ) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... future of space defense. Key Responsibilities: KBR is seeking a Modeling & Simulation Engineer (Senior II ) to join a team of quantitative analysts and modelers… more
    KBR (07/23/25)
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  • Security Engineer

    ManTech (Herndon, VA)
    ManTech seeks a motivated, career and customer-oriented **Security Engineer ** to join our team in **Herndon, VA.** We are searching for a highly skilled **Security ... Engineer ** to design, implement, and maintain secure environments that...requires an individual with a strong technical foundation in cybersecurity , a deep understanding of federal security frameworks, and… more
    ManTech (05/07/25)
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  • Security Engineer

    ManTech (Herndon, VA)
    ManTech seeks a motivated, career and customer-oriented **Security Engineer ** to join our team in **Herndon, VA.** The **Security Engineer ** will design, ... This role requires an individual with a strong technical foundation in cybersecurity , a deep understanding of federal security frameworks, and a proactive approach… more
    ManTech (05/07/25)
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  • Systems Engineer

    Shuvel Digital (Dulles, VA)
    Job Title: Systems Engineer Location: Dulles, VA - Hybrid Duration: Contract Clearance: Active Secret. Must be able to obtain DHS Suitability. Must be able to obtain ... with new cyber capabilities to address emerging threats. Seeking a Systems Engineer to collaborate with the Customer's SE&I team to assess architectures and… more
    Shuvel Digital (06/26/25)
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  • Security Engineer

    ManTech (Herndon, VA)
    ManTech seeks a motivated, career and customer-oriented **Security Engineer ** to join our team in **Herndon, VA** to design, implement, and maintain secure ... This role requires an individual with a strong technical foundation in cybersecurity , a deep understanding of federal security frameworks, and a proactive approach… more
    ManTech (06/19/25)
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  • Corelight Network Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Mclean, VA)
    Corelight Network Security Engineer Key Role: Serve as a key member in the client's cybersecurity program. Lead the selection, design, and implementation of ... Support critical business initiatives that contribute to enhancing the cybersecurity posture of US civilian agencies. Due to the...GED + Ability to obtain DoD 8570 IAT Level II Certification within 6 months of start date Additional… more
    BOOZ, ALLEN & HAMILTON, INC. (07/12/25)
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  • Principal Systems Engineer

    Shuvel Digital (Dulles, VA)
    Job Title: Principal Systems Engineer Location: Dulles, VA - Hybrid Duration: Contract Clearance: Active Secret. Must be able to obtain DHS Suitability. Must be able ... to address emerging threats. We are seeking a Principal Systems Engineer to assess, design, and develop automated cloud-based requirements and architectures… more
    Shuvel Digital (06/26/25)
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  • Sr. Splunk Engineer - TS/SCI with CI Poly |

    Optiv (Herndon, VA)
    A Senior Engineer is an individual who operates independently without direct supervision who is responsible for leading the delivery of an engagement with the sole ... customers. To be successful in this role, a Senior Engineer will be expected to not only maintain a...lead a team of Associate, Level I, and Level II Engineers in their day-to-day operations and career development.… more
    Optiv (05/08/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    **Mantech** seeks a motivated and customer-focused **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help design, ... implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will...802.1x, and core network security principles . IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security), or ability… more
    ManTech (06/28/25)
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  • Systems Engineer 5

    M. C. Dean (Vienna, VA)
    …to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. We are seeking a **System Engineer 5** to join ... team responsible for design, implementation, operations & maintenance, and cybersecurity for large complex resilient hardware and virtualized infrastructure to… more
    M. C. Dean (07/15/25)
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  • DevOps Engineer 4

    M. C. Dean (Vienna, VA)
    …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 ... lives, and changing the world for the better. We are seeking a **DevOps Engineer ** to join our **Security and Electronic Systems (SES)** business Unit. As part of… more
    M. C. Dean (07/15/25)
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  • Splunk Engineer Jr.

    Leidos (Ashburn, VA)
    **Description** The Splunk Engineer JR. is equivalent to a mid-level engineer at the Department of Homeland Security (DHS). DHS Customs and Border Protection ... violations. Leidos currently has a need for a Splunk Engineer for this highly visible cyber security program supporting...member of the Enterprise Splunk team, which falls under Cybersecurity Engineering, and will be required to interact with… more
    Leidos (07/16/25)
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  • Sr. Network Engineer

    CACI International (Reston, VA)
    …JNCIA/JNCIP, etc.) and security (Security+, CISSP, etc.) for DoD 8570 IAT Level II + Knowledge of cybersecurity hardening practices for major operating system ... Sr. Network Engineer Job Category: Information Technology Time Type: Full...systems modernization projects. Our talented team of Network and Cybersecurity professionals help design, develop, procure, implement, operate/sustain, and… more
    CACI International (07/18/25)
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  • Sr. Splunk Engineer - TS/SCI with FS Poly…

    Optiv (Herndon, VA)
    A Senior Engineer is an individual who can operate independently and will be entrusted with delivering success for Optiv + ClearShark's customers to achieve ... senior leadership. This individual may be the most senior engineer on a project and will be expected to...and will be expected to assist Associate and Level I/ II Engineers with tasking. Excellent communication skills are essential… more
    Optiv (06/14/25)
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  • Software Engineer

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Nightwing is seeking a Software Engineer with Java development experience to support the design, development, and ... deployment of advanced cybersecurity capabilities to include, but not limited to Jira,...level education. **Desired Certifications:** - DoD 8570.1 IAT Level II - Certified Ethical Hacker (CEH), Windows/Linux Admin, Cloud… more
    Nightwing (07/15/25)
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