• ACAS Engineer - Active Top Secret…

    ENS Solutions (College Park, MD)
    …to enable secure and reliable operations of enterprise computer systems. Engineer , design, develop, and implement enterprise network cyber defense capabilities to ... of cyber defense capabilities, including web content filters, email security capabilities, Intrusion Detection System, Intrusion Prevention System, Host Based… more
    ENS Solutions (12/27/25)
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  • Senior Cybersecurity Network Defense Administrator…

    CGI Technologies and Solutions, Inc. (Radford, VA)
    **Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior)** **Category:** Cyber Security **Main location:** United States, ... Federal is looking for a Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior) to help support a program we are working on for… more
    CGI Technologies and Solutions, Inc. (01/07/26)
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  • Security Engineer (RMF)

    CACI International (Frederick, MD)
    Security Engineer (RMF) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... * * **The Opportunity:** We are seeking a skilled Security Engineer (RMF) to support the Defense...or intelligence environments. + Technical Expertise with TCP/IP, Windows/Linux security , Solarwinds, Splunk, STIG Viewer, ACAS , Nessus… more
    CACI International (12/09/25)
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  • Information System Security Engineer

    Applied Research Solutions (Dayton, OH)
    **Description** ARS is currently looking for an Information System Security Engineer (ISSE). Our desire is to build a team of highly qualified professionals that ... , Azure Automation, STIG/SCAP, and other enterprise capabilities. The Information Systems Security Engineer (ISSE) shall perform, or review, technical … more
    Applied Research Solutions (12/04/25)
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  • Cyber Security Engineer

    Leidos (Bethesda, MD)
    …your career path. Leidos has an exciting opening for you, our next Cyber Security Engineer , to assist with the release of a state-of-the-art technology stack ... adaptive team that values innovation, collaboration, and professional development. As a Cyber Security Engineer , your job is to provide technical security more
    Leidos (01/07/26)
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  • Information Systems Security

    Huntington Ingalls Industries (Honolulu, HI)
    …Who We Are HII-Mission Technologies is seeking a Information Systems Security Engineer at our Honolulu, Hawaii location. The Information ... to support integrated ISR operations and accelerated decision-making. With data fusion and mission management capabilities for the Department...Systems Security Engineer (ISSE) is responsible for the… more
    Huntington Ingalls Industries (11/18/25)
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  • Network Defense and Firewall Security

    Systems Technology Forum (San Diego, CA)
    …(DoD), and other federal agencies. Job Summary The Network Defense and Firewall Security Engineer is responsible for safeguarding enterprise and mission networks ... Cisco ASA, Palo Alto, Fortinet, Snort, Suricata). * Perform vulnerability scanning, security -event correlation, and analysis using ACAS , HBSS, and SIEM tools.… more
    Systems Technology Forum (11/21/25)
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  • Information System Security Engineer

    Leidos (Orlando, FL)
    …ready for your next career challenge?** Leidos is seeking an Information System Security Engineer (ISSE) to collaborate with the Information System Security ... best practices. + Administer, configure, and maintain the Tenable Security Center. + Review ACAS results and...abilities, as well as internal equity, alignment with market data , applicable bargaining agreement (if any), or other law.… more
    Leidos (01/08/26)
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  • Senior Specialist, Info Security Systems…

    L3Harris (Broomfield, CO)
    …the interest of national security . Job Title: Senior Specialist, Information Security Systems Engineer Job Code: 31061 Job Location: Boulder/North Denver, CO ... Experience in the implementation and use of cybersecurity tools ( ACAS , SCAP, etc.). + Support security engineering...test, configuration management and maintenance of information systems and data . + Assist program security in the… more
    L3Harris (11/12/25)
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  • Information System Security Engineer

    CAE USA INC (Arlington, TX)
    …sanitization plan. + Facilitate Software/Hardware Approvals. + Assist in Technical Security Management: Firewalls, Data Protection Controls, + Patching, ... Encryption, Certificates, vulnerability scanning ( ACAS /SCAP/E-STIG). + Continuous Monitoring . Patch/STIG . Annual ATO... SECURITY RESPONSIBILITIES: Must comply with all company security and data protection / usage policies… more
    CAE USA INC (12/17/25)
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