• Security Engineer

    CACI International (College Park, MD)
    …in Python development, including hands-on coding projects 2. Proficiency in Linux operating system, network security, including firewalls, VPNs, IDS/IPS, and ... tools (Nessus, OpenVAS, Qualys) and penetration testing tools (Kali Linux , Metasploit). 6. Understanding of encryption technologies, identity management, and… more
    CACI International (11/08/25)
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  • Software Test Engineer (TS/SCI w/Poly)

    CACI International (Columbia, MD)
    …testing products written in Java or GoLang (U) * 1- 5 years' experience testing in Linux , Unix, Windows, or Cisco OS operating system * Experience in one (1) or more ... Java EE, Secure web (SSL) and file encryption, LDAP (RedHat directory) Java, Linux (CentOS), Modern IDEs (IntelliJ, Eclipse, etc.), Agile Scrum process Desired * Use… more
    CACI International (11/07/25)
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  • Cloud System Architect

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    …to no prescriptive guidance + One (1) year development experience with both Linux and Windows workloads using cloud technologies + One (1) year demonstrated ... no prescriptive guidance + Two (2) years of development experience with both Linux and Windows workloads using cloud technologies + One (1) year demonstrated… more
    Athenix Solutions Group, LLC (11/07/25)
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  • DevOps Engineer (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …development team. The ideal candidate will have strong working knowledge in Linux systems administration, and a background in Big Data solutions, configuration ... equivalent and 9 years relevant experience. + Strong knowledge of Linux , including system administration and troubleshooting + Proficient in configuration management… more
    Huntington Ingalls Industries (11/06/25)
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  • Sr. Cyber Defense Architect

    DarkStar Intelligence LLC (Fort Meade, MD)
    …management, syscalls, interrupts, drivers, services, and authentication flows. + Diagnose Linux and Windows artifacts that signal compromise or misconfiguration. VM, ... TS/SCI with CI Polygraph Required Technical Expertise + Deep understanding of Linux and Windows internals, including kernel functions, process behavior, memory, and… more
    DarkStar Intelligence LLC (11/06/25)
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  • Mid-Level DevOps Engineer

    GliaCell Technologies (Columbia, MD)
    …skills. Key Skills: + Must be fluent with Git + Strong knowledge of Linux and Linux environments (RHEL 617/8, RHCSNRHCE CentOS) + Experience with Windows ... system administration, system monitoring, instrumentation, resiliency and performance. + Experience integrating Jenkins/Bamboo Docker, and Kubernetes for automated deployment preferred + Experience with caching technologies (Memcache, Active MQ, Redis, APC,… more
    GliaCell Technologies (11/01/25)
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  • Principal / Sr. Principal Systems Engineer

    Northrop Grumman (Patuxent River, MD)
    …obtain within 6 months of hire date + Must have experience with Windows and Linux Operating Systems + Must have ability to work after hours and weekends as needed. ... obtain within 6 months of hire date + Must have experience with Windows and Linux Operating Systems + Must have ability to work after hours and weekends as needed.… more
    Northrop Grumman (10/30/25)
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  • Cloud System Engineer - Level 2

    CACI International (Suitland, MD)
    …best practices and Responsible AI (RAI) policies. * Manage operating systems ( Linux and Windows Server) within the cloud environment. * Collaborate with ... such as subnetting, routing, and firewalls. * Experience managing operating systems like Linux and Windows Server. * Awareness of cloud security best practices and… more
    CACI International (10/29/25)
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  • Network Engineer

    Amentum (Hanover, MD)
    …* Familiarity with the installation, configuration, and maintenance of Windows-based and Linux server infrastructure * A working knowledge of both Linux ... platforms. * A working knowledge of Windows and Windows Servers. * Experience with Cisco hardware and operating systems. * Experience with packet capture and network analysis tools is required. * Experience with monitoring solutions and datacenter operations… more
    Amentum (10/29/25)
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  • Test Engineer 1

    Synergy ECP (Columbia, MD)
    …Java EE, Secure web (SSL), and file encryption. LDAP (RedHat directory), Java Linux (CentOS), Modern IDEs (IntelliJ, Eclispe, etc.) and Agile Scrum process + One ... products written in Java or GoLang + One (1) year experience testing in Linux , Unix, Windows, or Cisco OS operating system CLEARANCE REQUIRED + TS/SCI w/ Polygraph… more
    Synergy ECP (10/28/25)
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