42 network administrator jobs at 29 companies in Centerville, OH
1mo
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Network Administrator
Dayton, Ohio, United States
OnsiteFull Time
3+ YOEBachelor's in IT/CS (or equivalent experience), Security+ (or obtain within year), 3+ years network administration experience (or 7 years without degree), enterprise routing/switching, firewall and wireless administration, NIST/FedRAMP/CMMC familiarity, valid driver’s license, U.S. person.
FortiGate, FortiSwitch, FortiAP, F5 Big-IP access policy manager, SAML, SSO, SIEM, DHCP, DNS, TCP/IP, VLAN, NIST SP 800-171, FedRAMP, CMMC, FIPS
1d
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Network Administrator
Dayton, Ohio, United States
OnsiteFull Time
5+ YOE5+ years network admin experience, expertise with BGP/EIGRP/TCP-IP, DoD RMF and STIG/SRG controls, experience with CommScope/Forcepoint/Dell/Cisco, DoDM 8140/8570 certifications (or equivalent) and Security+, ability to support multiple classification networks.
CommScope, Forcepoint, Dell, Cisco, BGP, EIGRP, TCP/IP, Radius, SIEM, STIG, SRG, NIST, CNSSI, JSIG
1d
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Network Administrator
Dayton, Ohio, United States
OnsiteFull Time
5+ YOEManage, secure, and troubleshoot on-premise networks; install/configure firewalls, routers, switches; support SIEM, apply STIG/SRG/NIST controls; capture designs and documentation.
CommScope, Forcepoint, Dell, Cisco, SIEM, STIG, SRG, NIST, CNSSI, JSIG, BGP, EIGRP, TCP/IP
1mo
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Network Administrator, Security Operations Support
Cincinnati, Ohio, United States
OnsiteFull Time
2+ YOEAdminister and secure enterprise networks and SIEM telemetry; experience with Cisco Meraki SD-WAN, network segmentation, and log validation. Bachelor's in computer science or 4-5 years relevant experience; minimum 2 years network administration.
Cisco Meraki, Rapid7 SIEM, SD-WAN
1w
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Network Administrator (Korean bilingual) - OH
Jeffersonville or Ohio
$75k-$90k/yr OnsiteFull Time
3+ YOE3+ years network administration experience; hands-on Cisco or Juniper experience; WAN/LAN, routing, switching, firewall, TCP/IP, DNS, DHCP, VPN knowledge; strong troubleshooting and communication skills.
Cisco, Juniper
3w
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Network/System Administrator (Net/Sys Admin) I
Dayton, Ohio, United States
$76k-$102k/yr OnsiteFull Time
1+ YOETS/SCI clearance required, 1+ years experience in network/system administration, Microsoft Windows Server, Exchange, RHEL, CISCO networking and virtualization knowledge; IAT Level I certification within 6 months.
Microsoft Windows Server, Microsoft Exchange Server, RHEL, Red Hat Enterprise Linux, CISCO, MS Hyper-V, VMWare, ESx, Xen, BMC Footprints, WSUS, Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Win 10, Red Hat 6.5, Microsoft Office Toolkits, SIEMs, Logrhythm, ACAS, Nessus, SCAP, SE Linux, PitBull, AppArmor, Sentris, VOIP, Oracle, MS SQL, Apache
3w
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Network/System Administrator (Net/Sys Admin) I
Dayton, Ohio, United States
$76k-$102k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
1+ YOETop Secret/SCI clearance required, 1+ years related experience, working knowledge of Microsoft Windows Server, CISCO networking, RHEL, virtualization, RMF and PL2 environments; IAT Level I certification within 6 months.
Microsoft Windows Server, Microsoft Exchange Server, RHEL, Red Hat 6.5, MS Hyper-V, VMWare, ESx, Xen, CISCO, Group Policy, BMC Footprints, WSUS, Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Windows Server 2012r2/2016, Win 10, Microsoft Office Toolkits, SEIMs, Logrhythm, ACAS/Nessus/SCAP, SE Linux, PitBull, AppArmor, Sentris, VOIP, Oracle, MS SQL, Apache
2mo
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IT System Administrator/
Wright Patterson AFB, Ohio, United States
OnsiteFull Time
5+ YOEBachelor's degree plus 5+ years IT/system administration experience; Windows/Linux server administration, Active Directory, patching, virtualization, networking, STIG implementation, vulnerability remediation, and enterprise user support.
Windows, Linux, Active Directory, STIG
6h
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Senior System Administrator
Cincinnati or New York City
$105k-$160k/yr HybridFull Time
5+ YOEBachelor's or equivalent,5+ years systems administration,expertise with Windows/Mac,virtualization,cloud,AWS/Azure,PowerShell/Bash/Python,Active Directory,network fundamentals and vendor/project coordination.
PowerShell, Bash, Python, Active Directory, VMware, Hyper-V, AWS, Microsoft Azure, Microsoft Entra ID, Okta, Rippling, Snowflake
2w
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Network and Systems Engineer
Springfield or Columbus or Dayton
$75k-$115k/yr FieldFull Time
5+ YOE5+ years IT engineering/administration and project management experience; expertise in networking, server deployment/troubleshooting, Microsoft cloud environments; strong communication and troubleshooting skills.
Microsoft Cloud, ConnectWise Manage, ConnectWise Automate
5d
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System Administrator - Part-time
Dayton, Ohio, United States
OnsitePart Time
U.S. citizen with hands-on Kubernetes and Azure administration, JFrog Artifactory and license manager experience, networking knowledge, and independent problem-solving ability.
Kubernetes, Azure, Azure Kubernetes Service (AKS), Azure Active Directory, JFrog Artifactory, Cameo Systems Modeler, FlexNet Publisher, Terraform, Azure Resource Manager (ARM), PowerShell, Bash, Python, Jenkins, Azure DevOps
2mo
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Systems Administrator, Senior
Dayton, Ohio, United States
$78k-$176k/yr OnsiteFull Time
7+ YOE7+ years Linux administration; automation with Ansible/Terraform; containers (Docker/Kubernetes/Podman); security hardening (IdM/LDAP, FApolicyd, STIG); TS/SCI clearance; BS in CS/Engineering; RHCE/LFCE; experience with network security and CI/CD.
Ansible, Terraform, Docker, Kubernetes, Podman, SELinux, FApolicyd, STIG, IdM/LDAP, RHCE, LFCE, OpenShift, EKS, RKE, Helm, Kustomize, CSI, CNI, GitLab CI, Jenkins, GitHub Actions, IPTables, NFTables, DNS, HAProxy, Nginx, sysctl
1w
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Network and Exploitation Analyst
Dayton or Wright-Patterson AFB
$99k-$225k/yr OnsiteFull Time
1+ YOE1+ years network exploitation/protocol analysis experience, RHEL administration, containerization, Ansible, scripting (Python/C/C++/Bash), TS/SCI clearance required; bachelor\u0002s in related field preferred.
Wireshark, tcpdump, Red Hat Enterprise Linux (RHEL), Docker, Podman, Ansible, Python, C, C++, Bash, Kali Linux, Metasploit, Scapy
2mo
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IT Systems Administrator I
Piqua, Ohio, United States
OnsiteFull Time
5+ YOE5+ years in technical support; IT degree or related field; experience with server OS, virtualization, storage, and networks; AD security; CCNA/Network+ is a plus.
Active Directory, Server OS, Virtualization, Storage, Networking, Firewalls
1w
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IT Administrator
Springfield, Ohio, United States
$60k-$70k/yr OnsiteFull Time
3+ YOE3+ years supporting enterprise IT environments; experience with Microsoft Windows, Microsoft 365, servers, networking, MDM, virtualization, backup, and cybersecurity; Associate's or Bachelor's degree preferred.
Microsoft Windows, Microsoft 365, Active Directory, Mobile Device Management (MDM), VPN
1mo
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IT Administrator
Dayton, Ohio, United States
HybridFull Time
Bachelor's in CS/CE or equivalent, knowledge of server hardware, virtualization, networking; experience with VMware, Windows/Linux, Active Directory, DNS, SQL; strong communication skills; industry certifications preferred.
VMware, Microsoft Windows, Linux, Microsoft Active Directory, DNS, SQL
3w
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Cybersecurity Systems Administrator
Beavercreek, Ohio, United States
OnsiteFull Time
2+ YOEBachelor's in CS/IT or 10 years RHEL experience; 2+ years related experience; Top Secret clearance with ability to obtain SCI; RHEL administration, RMF A&A support, scripting, CompTIA Network+/Security+ or MCSA.
Red Hat Enterprise Linux (RHEL), NIPRNet, SIPRNet, CV2, Blade Risk Manager
2mo
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Sr. Systems Administrator
Pryor or Ft. Wright
$80k-$130k/yr OnsiteFull Time
5+ YOE5+ years in systems administration or infrastructure engineering; experience in manufacturing/OT environments; Windows Server; virtualization (VMware; Nutanix AHV preferred); networking fundamentals; scripting/automation; travel 20-25%; ability to work onsite.
Windows Server, VMware, Nutanix AHV, SCADA, HMI, FactoryTalk, ThinManager, scripting, automation, networking (switching, VLANs, routing, firewalls, ACLs, segmentation), OT/IT integration
2w
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IT Systems Administrator
Hebron, Kentucky, United States
OnsiteFull Time
Associate degree in IT or equivalent, proficiency with Microsoft Active Directory and Hyper-V, firewall/VPN/network security knowledge, strong communication and troubleshooting skills.
Microsoft Active Directory, Microsoft Hyper-V, Epicor, Microsoft 365, Salesforce
1mo
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Systems Administrator I
Dayton, Ohio, United States
OnsiteFull Time
1+ YOECompTIA Security+ required (or within six months), 1+ years supporting Windows Server/Active Directory, Microsoft 365, virtualization; familiarity with VMware/Hyper-V, Microsoft Exchange/Teams/SharePoint, PowerShell, basic networking, and backup/restore.
Microsoft Windows Server, Active Directory, Entra ID, Microsoft 365, Microsoft SharePoint, Microsoft Exchange Online, Microsoft Teams, Linux, VMware, Hyper-V, Aruba Central, PowerShell, TCP/IP, DNS, DHCP, VLANs
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