• Network Security

    Robert Half Technology (Toledo, OH)
    Description We are looking for a skilled Network Security Administrator to oversee and enhance IT infrastructure and cybersecurity initiatives at our Toledo, ... with a focus on IT infrastructure and cybersecurity. * Proven expertise in cybersecurity, network security , and managing Cisco products. * Strong knowledge of … more
    Robert Half Technology (10/24/25)
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  • Sr. Systems Network Administrator

    Robert Half Technology (Richfield, OH)
    Description We are looking for an experienced Sr. Systems Network Administrator & Security expert to join our team in Richfield, Ohio. This contract to ... requires a highly skilled individual to design, maintain, and troubleshoot complex network and server infrastructures while ensuring robust security across… more
    Robert Half Technology (10/13/25)
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  • Projects Engineer (Back To Business IT)

    The Greentree Group (Beavercreek, OH)
    …+ Cisco Certified Network Associate + Fortinet Certified Associate + SonicWall Network Security Administrator We believe in fostering a positive, ... Solutions + MFA Services + Certifications preferred: + CompTIA: Server+, Network +, or Security + + Microsoft: Windows Server Hybrid Administrator + Microsoft… more
    The Greentree Group (08/13/25)
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  • Cybersecurity Network Defense…

    GovCIO (Columbus, OH)
    …(https://careers-govcio.icims.com/jobs/6786/cybersecurity- network -defense- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** ... VA and will be a remote position. **Responsibilities** The Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior) will be… more
    GovCIO (09/25/25)
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  • Sr. Network Administrator

    Intrepid Solutions and Services (Dayton, OH)
    …and advancement. To continue to excel this program, Intrepid is seeking a **Sr.** ** Network Administrator ** to provide support for all NASIC and mission partner ... as well as various networks and data circuits. + Ability to provide network security administration for all NASIC networks that have security appliances… more
    Intrepid Solutions and Services (10/22/25)
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  • Network Administrator

    GovCIO (Columbus, OH)
    …will be a remote position. **Responsibilities** This position is for a Senior Network Administrator in a mixed and growing environment currently supporting ... network performance, ongoing operation of the network , hardening of the network and reporting of the overall security and operational status. The position… more
    GovCIO (09/26/25)
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  • Senior Network /Systems…

    GovCIO (Columbus, OH)
    **Overview** GovCIO is currently hiring for a Senior Network /Systems Administrator with an active Secret clearance. This position will be located in Sterling, VA ... software, applications software, and all configurations. + Plan, coordinate, and implement network /system security measures in order to protect data, software,… more
    GovCIO (10/08/25)
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  • Network Administrator

    Robert Half Technology (Cleveland, OH)
    …problems across LAN and WAN environments using various diagnostic tools + Protect network assets by implementing access controls and security policies + ... + Establish, record, and uphold system protocols to maintain a stable network infrastructure + Deploy innovative technologies and enhance the robustness of existing… more
    Robert Half Technology (10/07/25)
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  • System Administrator - Infrastructure

    AMP Public Power Partners (Columbus, OH)
    …data networks, telecommunications, hardware, applications, data center components, and information security systems. The System Administrator ensures the secure ... will report out of Columbus, OH. Position Title: System Administrator - Infrastructure Reports To: Manager of IT FLSA...Active Directory, Microsoft Security Solutions and General Security Concepts, and core network services (DHCP/DNS),… more
    AMP Public Power Partners (10/08/25)
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  • Sr. Systems Administrator

    Arena Technical Resources, LLC (Dayton, OH)
    Sr. Systems Administrator Location: Dayton, OH, US Job ID: ATR 17602 Job Description Job Title: Sr. Systems Administrator Location: Dayton, OH Eligibility: ... clearance Job Description: Our client is seeking an experienced Senior Systems Administrator to support a large-scale digital transformation initiative with our AFRL… more
    Arena Technical Resources, LLC (08/07/25)
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