• Senior Systems Administrator

    CareFirst (Baltimore, MD)
    **Resp & Qualifications** **PURPOSE:** The Senior Systems Administrator is responsible for assisting with the development and maintenance of unique software ... leveraging the system 's platform. Additionally, the Sr. Systems Administrator is responsible for data reporting,...role. **Knowledge, Skills and Abilities (KSAs)** + Knowledge of system security and data backup/recovery. + Excellent… more
    CareFirst (11/19/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    Security , & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... new and existing systems including the transition and migration of corporate systems * Monitor and report on system health using various dashboarding tools… more
    Amentum (11/20/25)
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  • Senior Administrator

    Intercontinental Exchange (ICE) (Atlanta, GA)
    Overview **Job Purpose** The Senior Systems Administrator is responsible for maintaining the availability, security , and performance of Windows and Linux ... resolving system performance and availability issues. The Senior Systems Administrator also assists...systems comply with IT policies and adhere to security standards. **Knowledge and Experience** + Proficiency in managing… more
    Intercontinental Exchange (ICE) (12/23/25)
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  • Senior Systems Administrator

    TekSynap (Dahlgren, VA)
    …is seeking a **S** **enior S** **ystem** ** Administrator (Unix/Linux).** The Senior Systems Administrator (Unix/Linux) serves as Key Personnel under ... in Unix and/or Linux system administration of networks and software systems , including system backup and recovery; security management and library… more
    TekSynap (10/31/25)
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  • Senior Linux System

    Parsons Corporation (Aberdeen, MD)
    …**Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be Doing:_** + ... _Support the system administration for ARL high performance computers_ + _Support..._Support design of Army Research Laboratory A2I2 building for systems being delivered in 2024 and future platforms_ +… more
    Parsons Corporation (11/15/25)
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  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/Linux Dual-Stack Specialist** to join our team in **Boulder, ... Active Directory environments. + Senior -level experience with Linux system administration, networking, security hardening, and scripting/automation tools. +… more
    ManTech (11/05/25)
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  • Senior Information Systems

    Concurrent Technologies Corporation (Huntsville, AL)
    Senior Information Systems Administrator Concurrent Technologies Corporation Huntsville, AL Minimum Clearance Required: Top Secret Clearance Clearance Level ... with up-to-the-minute, customized, and powerful solutions. CTC is looking for talented Senior Information System Administrator with experience accrediting,… more
    Concurrent Technologies Corporation (10/19/25)
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  • Senior Systems Administrator

    Amentum (Waimea, HI)
    Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy ... environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration, and...Certifications required + Linux + Linux+ Red Hat Certified System Administrator (RHCSA) ** Security Clearance**… more
    Amentum (12/24/25)
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  • Senior Windows Systems

    Adapt Forward (North Charleston, SC)
    Systems Administrator IV, Senior Windows Systems Administrator North Charleston, SC Secret Clearance with upgrade to Top Secret As a Windows ... System Administrator , you will play an integral...System Administrator , you will play an integral role on the...user desktop machines and servers. You will focus on systems and application stability, security , performance, and… more
    Adapt Forward (12/17/25)
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  • Senior SIGINT Systems

    CACI International (Beale AFB, CA)
    Senior SIGINT Systems Administrator ... administration for assigned infrastructure and establish and maintain system security . You will also apply ... * * The Opportunity: CACI is seeking a SIGINT Systems Administrator and Sensor Resource Manager Subject...security patches and operating system upgrades to ensure the security and… more
    CACI International (12/12/25)
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