• Systems Administrator - Senior

    CACI International (O'Fallon, IL)
    Systems Administrator - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... maintain comprehensive system documentation and standard operating procedures + Mentor junior and intermediate team members, fostering their professional growth +… more
    CACI International (11/08/25)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Hartford, CT)
    …UNIX hardware and operating system environments including Red Hat Enterprise Linux (RHEL), HP-UX, and Solaris. Optimizes backup processes; optimizes disk space ... and user guides. + Acts as a mentor to junior team members by providing guidance and expertise on...administration experience on UNIX operating systems Red Hat Enterprise Linux (RHEL), Solaris, or HP-UX. + Five (5) years'… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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  • System Administrator Multi-Disciplined

    RTX Corporation (El Segundo, CA)
    …IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. + Working as a team member in a fast-paced technological ... + Provide mentorship and guide prioritization of tasks to junior admins. + Experience in cross-team collaboration, and lead...of VDI. + Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server… more
    RTX Corporation (09/24/25)
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  • Junior Cloud Engineer

    SMX (Huntsville, AL)
    Junior Cloud Engineer (4818)at SMX(View all jobs) (https://www.smxtech.com/careers/) Huntsville, AL SMX is actively searching for a dynamic and adept Junior ... and Security as well as hands on core system administration skills in Linux or Windows + Problem determination skills from design issues through detail level… more
    SMX (11/22/25)
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  • Lead Application Reliability Engineer

    Citigroup (Irving, TX)
    …support and maintenance of a robust technology stack including middleware, databases, Linux , and AWS EKS, all within a strictly regulated and change-controlled ... stakeholders, the team, and other technical teams. + Mentor and train junior team members, fostering a culture of knowledge sharing and continuous improvement.… more
    Citigroup (11/14/25)
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  • Software, CNO, Systems Administration…

    Belay Technologies (Annapolis Junction, MD)
    …languages (Java, Python, C++), software development lifecycle, debugging, testing. Experience Level: Junior to Senior System Administrator (Levels 1 to 3) ... engineering projects. We are hiring for a wide range of positions, from junior -level to senior roles, offering ample opportunities for growth and advancement. All… more
    Belay Technologies (11/13/25)
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  • Platform Engineer - Operationalizing AI

    Precise Systems, Inc. (San Diego, CA)
    …support system operations and compliance. + Provide technical guidance and mentorship to junior engineers and team members. Required Experience: + At least 10 years' ... experience working as a cloud engineer, cloud administrator , cloud architecture, DevOps engineer, IT Specialist, platform engineer, site reliability engineer,… more
    Precise Systems, Inc. (10/26/25)
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  • Endpoint Security Lead - CrowdStrike

    AIG (Reston, VA)
    …functions: + Platform Ownership & Administration + + Serve as the primary administrator and SME for the CrowdStrike Falcon platform. + Manage endpoint agent ... + Team Leadership & Collaboration + + Provide technical directions to junior security analysts and engineers. + Work closely with IT, Infrastructure, and… more
    AIG (12/07/25)
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  • Project Engineer - Internal IT

    Proven IT (Tinley Park, IL)
    …system integration projects. + Configure, deploy, and maintain Windows and Linux servers, virtualization platforms (VMware, Hyper-V, Proxmox), and hybrid cloud ... in the knowledgebase. + Serve as an escalation point for junior engineers during deployment and post-implementation phases. Requirements Required Qualifications +… more
    Proven IT (11/07/25)
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  • Senior Software/System Architect

    TISTA Science and Technology (Austin, TX)
    …implementing, and managing automation solutions using Ansible. + Hands-on knowledge of Linux administration in cloud environments. + Strong scripting skills in Bash, ... Must be able to function as aA Senior Cloud Administrator with deep hands-on experience in AWS and Azure...+ Self-starter with ability to work independently and mentor junior team members. + Collaborative mindset and ability to… more
    TISTA Science and Technology (11/21/25)
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