• Linux System Administrator

    CACI International (Sarasota, FL)
    Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... characterize, and predict threats to national and allied space systems . You will participate in system design...least one of the following certifications: + A+ CE, CCNA- Security , CND, Network+ CE, SSCP, CCNA Security ,… more
    CACI International (10/04/25)
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  • Security Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …focal point for all security matters related to specific sets of information systems . + Define an Information Assurance Vulnerability Management (IAVM) ... cybersecurity, intelligence and information technology policy gaps for combat systems . 2. cybersecurity system engineering design, analysis and documentation… more
    Imagine One Technology & Management (12/24/25)
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  • Security Control Assessor Representative…

    Leidos (San Antonio, TX)
    … warfare capabilities. It enables cyber operations, cyber defense, intelligence, and information security to protect Air Force networks and global missions. ... assessment, RMF documentation support, and accreditation readiness for complex Air Force information systems . This role supports the development, review, and… more
    Leidos (11/22/25)
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  • Operations & Security Manager

    NTT DATA North America (Tallahassee, FL)
    …will serve as the Security Leader responsible for maintaining the operational security posture of information systems and programs. This role acts ... inclusive, adaptable, and forward-thinking environment. **Position Overview** The IT Security Director ( System Security Officer)...environments. + * Identify and manage risks associated with information systems . + * Coordinate with the… more
    NTT DATA North America (11/20/25)
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  • Linux System Administrator

    Belay Technologies (Fort Meade, MD)
    …3+ years of System Administrator experience + Bachelor's degree in System Engineering, Computer Science, Information Systems , Engineering Science, ... with a team obtaining and configuring Virtual Machines (VMs), loading Operating systems and software, performing security hardening, patching, and monitoring… more
    Belay Technologies (12/12/25)
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  • Authorization & Accreditation (A&A) Program Lead…

    ICF (San Jose, CA)
    …documentation for accuracy and completeness. + Interface with Authorizing Officials (AOs), Information System Security Managers (ISSMs), and Information ... manage and execute Risk Management Framework (RMF) activities across multiple DHRA information systems , ensuring compliance with DoD and NIST cybersecurity… more
    ICF (10/31/25)
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  • Application Security Analyst/ Senior

    Federal Reserve Bank (Cleveland, OH)
    system security requirements, recommend improvements to system security frameworks, ensure authorized access to systems through monitoring, performing ... complex application software. + Monitor for atypical usage of information system accounts and other abnormalities to...possible breaches. + Assist with FISMA initiatives, eg, updating security plans, to support ISSO responsibilities. +… more
    Federal Reserve Bank (10/23/25)
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  • System Administrator

    Koniag Government Services (Winchester, VA)
    …designing pipelines and deploying builds + Comprehensive knowledge of Information Security concerns - working with ISSO to address ATO requirements ... a Koniag Government Services company **,** is seeking a DevOps/ System Administrator with a Top-Secret Security clearance...off, and more. This position is for an experienced System Administrator to support the FBI's Information more
    Koniag Government Services (12/10/25)
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  • Security Policy Engineer

    SAIC (Springfield, VA)
    …in Springfield, Virginia. Individual will be responsible for providing systems security support for the protection of multi-level information system ... security plans and procedures for all assigned systems in adherence to USG information technology...teams and customer staff. + Experience executing and editing System Security Test Plans (STPs) to accurately… more
    SAIC (12/18/25)
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  • Security Control Assessor

    BOOZ, ALLEN & HAMILTON, INC. (San Antonio, TX)
    …met hodologies, and statutory or regulatory requirements + Experience with Security Information and Event Management ( SIEM ) systems such as Splunk, ... of how system engineers or administrators perform system hardening utilizing STIGs + Knowledge of Information...data broker technologies such as Cribl or Confluent, operating system security events such as Windows or… more
    BOOZ, ALLEN & HAMILTON, INC. (12/06/25)
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