• Linux System Administrator

    ManTech (Fort Meade, MD)
    …area. **Responsibilities include, but are not limited to:** + Design, engineer , and implement automated hardening scripts for internal servers adding scalability ... human error and manual process + Analyze system and security logs while responding to discovered real time events...discovered real time events providing SOC status updates. + Engineer ansible script automating creation of user accounts in… more
    ManTech (12/02/25)
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  • Security Engineer

    Leidos (Lorton, VA)
    …to deliver cybersecurity and information assurance services. **Primary Responsibilities** The Security Engineer - Linux / Tenable Compliance is ... Sector at Leidos currently has an opening for a Security Engineer to work in our Lorton,...management, patch cycles, and deployment pipelines. + Participate in security incident response activities related to Linux more
    Leidos (12/11/25)
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  • Senior Defensive Security Engineer

    Silvus Technologies (Los Angeles, CA)
    …the US Department of Defense. THE OPPORTUNITY Silvus is seeking a **_Senior Defensive Security Engineer - Embedded Systems_** who will report to the Director of ... systems, focusing on secure boot, and kernel hardening. + Develop and enforce Linux security features, including iptables, netfilter, and auditd for intrusion… more
    Silvus Technologies (01/05/26)
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  • Application Engineer - Information

    CACI International (Fort Meade, MD)
    Application Engineer - Information Security Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with ... role in supporting Active Network Defense (AND), Computer Network Defense (CND), and Information Security Continuous Monitoring (ISCM). You will be at the… more
    CACI International (12/20/25)
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  • Senior Information System Security

    General Dynamics Information Technology (Reston, VA)
    …related solutions for enterprise information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor ... joining our team to protect data flows for a wide range of devices. HOW AN INFORMATION SYSTEM SECURITY ENGINEER WILL MAKE AN IMPACT + Provides technical… more
    General Dynamics Information Technology (11/21/25)
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  • FAA Security Engineer

    Noblis (Atlantic City, NJ)
    …vendor systems, using common standards, certifications and methods. The Security Engineer will also utilize system hardening knowledge, Linux skills to ... are currently in use throughout the NAS. The FAA Security Engineer will provide hands-on cybersecurity support...must possess a Bachelor of Science in Computer Science, Information System Security , Cybersecurity or similar discipline,… more
    Noblis (12/02/25)
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  • Security Software Engineer - Red…

    Imagine One Technology & Management (Dahlgren, VA)
    …**for this role.** Imagine One Technology & Management, Ltd. is seeking one (1) Security Software Engineer . This position is contingent upon award of the ... work and will be performed in Dahlgren, Virginia. The Security Software Engineer will be expected to:... will be expected to: + Debug and reverse engineer software. + Analyze Windows Events and Linux more
    Imagine One Technology & Management (12/24/25)
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  • IT Infrastructure and Security Response…

    CUNY (Brooklyn, NY)
    IT Infrastructure and Security Response Engineer - Office of Computing Information Services **GENERAL DUTIES** This position encompasses professional and ... for **IT Infrastructure Engineer .** **CONTRACT TITLE** IT Infrastructure Engineer **FLSA** Non-exempt **CAMPUS SPECIFIC INFORMATION ** New York City… more
    CUNY (10/22/25)
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  • Information System Security

    Amentum (Warrenton, VA)
    Security , & Intel space? If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate ... for transformative change. **Responsibilities:** The duties and responsibilities of the Senior Information System Security Engineer (ISSE) include, but are… more
    Amentum (12/05/25)
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  • Information Security Engineer

    TE Connectivity (PA)
    Information Security Engineer Posting Start Date: 11/13/25 **At TE, you will unleash your potential working with people from diverse backgrounds and ... a safer, sustainable and more connected world.** ​ Job Description: **Job Overview** The Information Security Engineer is a critical member of our team,… more
    TE Connectivity (01/13/26)
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