• System Administrator (CSE III

    Aetos Systems, Inc. (Cocoa Beach, FL)
    …love all in one package? This is your opportunity! Join now! Job Summary The Systems Administrator (CSE III ) is responsible for managing and maintaining our ... Who We Are! Aetos Systems , Inc. was founded in early 2007 to...Certifications, etc.: + Experience with Microsoft Windows OS, and Linux + Experience with SIEM, and flaw remediation tools.… more
    Aetos Systems, Inc. (08/07/25)
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  • Linux Administrator Associate-Entry…

    Lockheed Martin (Cape Canaveral, FL)
    III certification \(i\.e\., Security\+, CASP, CISSP\) * Redhat Linux Administration \( system installation/configuration, Kickstart, KVM Virtualization, ... you\. Lockheed Martin is actively seeking an early career Linux administrator to support our Space business...of multiple business applications that are hosted on the Linux systems \. If you are looking for… more
    Lockheed Martin (08/08/25)
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  • Systems Administrator III

    Sierra Nevada Company, LLC (Shalimar, FL)
    …cyber. **Responsibilities:** + Administer and support daily operations of Windows and Linux servers, and networking devices ensuring system reliability, data ... perfect role for you! As a Product Support Engineer III , you will be using your skills and hands-on...Communication and customer interface skills + Thorough understanding of system level maintenance of networks and communications systems more
    Sierra Nevada Company, LLC (08/13/25)
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  • Senior Systems Administrator

    ManTech (Doral, FL)
    …in lieu of a degree. + 9+ years of experience with 5+ years of relevant Systems Administrator III experience. + Proven expertise in managing and maintaining ... **ManTech** seeks a motivated, career and customer-oriented **Senior Systems Administrator ** to join our team...complex IT infrastructure, including operating systems (Windows Server, Linux ), server hardware, and… more
    ManTech (08/08/25)
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  • IT Systems Administrator - Secret…

    Lockheed Martin (Orlando, FL)
    …on heterogeneous networks including Windows 10/11, Windows Server based domains, and Linux distributions * Manage operating system cyber compliance, upgrades, ... of start date a valid IAT Level II or III DoD Approved 8140 \(DoDD 8570\) certification such as...systems * Experience developing and maintaining Windows or Linux baselines, including security settings and hardening * Intuitive… more
    Lockheed Martin (08/13/25)
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  • Network Security Administrator

    TekSynap (Pensacola, FL)
    …on the specific Operating System or Computing Environment** theymaintain(eg, Windows Server, Linux , Cisco) + IAT LVL III (eg, GIAC, CISSP, CASP, CISM) + ... **Responsibilities & Qualifications** The **Network Security Administrator ** is responsible fornetwork boundary protection, cybersecurity posture, and accreditation… more
    TekSynap (07/09/25)
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  • Full Stack Administrator

    Lockheed Martin (Cape Canaveral, FL)
    …Rancher, Kubernetes, Nomad, AWS ECS, etc\.\) * Red Hat Linux Administration \( system installation/configuration, Kickstart, KVM Virtualization, RHV/ovirt ... Martin is actively seeking a mid\-career level Full Stack Administrator to support our Space business area unclassified &...obtain a current DoD 8570\.01\-M IAT Level II or III certification \(i\.e\., Security\+, CASP, CISSP\), within the first… more
    Lockheed Martin (07/12/25)
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  • Senior Cloud Engineer

    GovCIO (Doral, FL)
    Administrator (CKA) or Certified Kubernetes Application Developer (CKAD). Linux certifications (eg, LPIC, RHCSA), scripting/automation certifications (eg, Python, ... Responsibilities include but are not limited to: + The Cloud Engineer III provides technical expertise by installing, configuring, managing, and upgrading operating … more
    GovCIO (07/23/25)
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