• Senior Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA** . Senior Cyber ... Security Engineers are responsible for the quality of cyber security -related solution delivery, development, testing, and deployment in support of cyber more
    ManTech (12/11/25)
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  • Cyber Security Engineer (SME)

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for Cyber Security Engineer SME in our **National Security Sector's (NSS) Cyber & ... protecting the customer's information systems and networks from potential cyber -attacks. The Cyber Security Engineer must display an excellent… more
    Leidos (11/28/25)
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  • Cyber Security Engineer

    Insight Global (Dallas, TX)
    Job Description We are currently seeking an experienced Senior Cyber Security Engineer to join our Information Security team. The ideal candidate will ... have 3-5 years of experience in cyber security , specializing in Microsoft 365 (M365),...cross-functional teams, including IT, engineering, and compliance, to integrate security into all aspects of our systems more
    Insight Global (12/09/25)
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  • Cyber Security Engineer Staff…

    Lockheed Martin (Grand Prairie, TX)
    **Description:** You will be a Cyber Security Engineer in the Program Protection Organization\. Our organization oversees all aspects of Anti\-Tamper and ... of Business\. **What You Will Be Doing** As the Cyber Security Engineer You will...\(DoD\) Weapon Systems * Assessing and mitigating System Security threats/risks throughout the embedded Weapon… more
    Lockheed Martin (12/10/25)
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  • Cyber Security Engineer

    KBR (El Segundo, CA)
    …protecting our national security . KBR is seeking a Cyber Security Engineer to join our Evolved Strategic Systems (ESS) program in El Segundo, CA. Due ... Title: Cyber Security Engineer Belong....Title: Cyber Security Engineer Belong. Connect. Grow. with...office + Understanding of the discipline and practice of Systems Engineering throughout the system lifecycle phases… more
    KBR (11/25/25)
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  • Cyber Security Engineer

    CACI International (High Point, NC)
    Cyber Security Engineer Job...visit in-briefs and out-briefs and discusses results with the system owner + Communicates and presents security ... and infrastructure capabilities for the US Army. As a Cyber Engineer , you'll play a hands-on role...NSA cybersecurity and RMF compliance standards + Analyzes complex security issues and develops effective solutions and incident response… more
    CACI International (12/19/25)
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  • Principal Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports ... across classified and unclassified environments. You will work alongside cyber experts to develop solutions that enhance network compliance... systems + Knowledge of Windows and Linux systems , general operating system security more
    ManTech (12/13/25)
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  • Cyber Security Engineer

    SAIC (El Segundo, CA)
    **Description** **Job Description:** SAIC is seeking a Cyber Security Engineer to join our MSEIT team in supporting the Evolved Strategic Systems (ESS) ... (A&A) in accordance with DoDI 8510.01. + Perform cryptographic System Security Engineering (SSE) in compliance with...+ 2+ years of work experience in Information Assurance (IA)/ Cyber Security . + Provide cybersecurity inputs to… more
    SAIC (12/12/25)
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  • Cyber Security Engineer

    NANA Regional Corporation (Peterson Air Force Base, CO)
    The Cyber Security Engineer Illumio SME - provides technical implementation, support, and training services for Illumio on NIPR and SIPR networks. Plans and ... implements security measures to protect computer systems , networks,...and documents security risks, breaches, and other cyber security incidents and the damage they… more
    NANA Regional Corporation (12/25/25)
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  • Senior Splunk Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career, and customer-oriented **Senior Splunk Cyber Security Engineer ** to join our team in **Chantilly, VA.** In this role, ... is ideal for professionals with strong hands-on experience in system integration, data management, and cyber defense...play a key role in maintaining and tuning Splunk systems , while collaborating with technical teams and cyber more
    ManTech (12/30/25)
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