2,229 network system administrator jobs at 1,334 companies in United States
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System Network Administrator
Alamogordo, New Mexico, United States
OnsiteFull Time
Requires DoD 8140/8570.01 certification, active Secret clearance with ability to upgrade to Top Secret, system or network administration experience, and experience maintaining IT/OT networks, security tools, servers, and workstations.
Active Directory, Microsoft Windows, LAN, WAN, Checkpoint, firewalls, intrusion detection systems, anti-virus software
1mo
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System & Network Administrator
Savannah, Georgia, United States
OnsiteFull Time
3+ YOE3+ years systems/network administration in multi-site environments, bachelor’s or equivalent, experience with hybrid on‑prem/cloud infrastructure, Microsoft 365 administration, PowerShell scripting, Fortinet/CrowdStrike familiarity, and security-first practices.
Microsoft 365, Entra ID, Intune, Teams, Teams Voice, SharePoint, OneDrive, Exchange Online, Microsoft 365 Copilot, FortiClient, Okta, ManageEngine OpManager, iGlass, FortiAnalyzer, FortiManager, PowerShell, Halo ITSM, Fortinet, CrowdStrike
2w
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System/ Network Administrator
Sacramento, California, United States
$86k-$138k/yr OnsiteFull Time
5+ YOEBachelor’s degree and 5 years of network and systems administration experience, including 2 years in public safety, government, or critical infrastructure. Requires CCNA, U.S. citizenship, Cisco networking, ITSM, Windows Server, Linux, and on-call availability.
SolarWinds, PRTG, Nagios, Microsoft Windows Server, Linux, ServiceNow, Remedy, Cisco IOS, Cisco IOS-XE, Cisco ASA, Cisco FTD, Palo Alto, Fortinet, Cisco Viptela, VMware VeloCloud, OSPF, BGP, EIGRP, STP, VLANs, IPAM, SD-WAN, VPN, IDS/IPS, DNS, DHCP, QoS
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System Network Administrator
Alamogordo, New Mexico, United States
OnsiteFull Time
Active Secret clearance, DOD 8140/8570.01 (e.g., CompTIA Security+), system/network administration experience, knowledge of Active Directory, firewalls, routing/switching, servers, OT/IT networks, and security best practices; ability to work varying shifts.
Active Directory, Microsoft Windows, Checkpoint
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System Network Administrator
Alamogordo, New Mexico, United States
OnsiteFull Time
System/network administration experience with Active Directory, routing/switching, servers, security tools, and OT/IT operations; DOD 8140/8570.01 or CompTIA Security+ and active Secret clearance required.
Active Directory, Microsoft Windows, routers, switches, firewalls, Checkpoint, intrusion detection systems, anti-virus software
1mo
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Network System Administrator
Berwick, Pennsylvania, United States
$95k-$115k/yr OnsiteFull Time
3+ YOE3+ years systems/network administration experience; hands-on with Palo Alto, Cisco switching/wireless, VMware, Veeam, Azure and Microsoft 365; strong TCP/IP, IDMZ and IT/OT security knowledge.
Palo Alto, Panorama, Cisco Catalyst, Cisco WLC, Catalyst Center, DNA Center, VMware vCenter, ESXi, vSphere, vMotion, DRS, HA, Veeam Backup & Replication, Microsoft Azure, Azure AD, Entra ID, Microsoft 365, Exchange Online, Teams, SharePoint, Intune, ServiceNow, Jira, PowerShell, Python
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Network System Administrator
Verona, Wisconsin, United States
OnsiteFull Time
5+ YOEBachelor's degree or equivalent in a computing field and 5+ years in IT, including end-user support, network administration, cybersecurity, and ERP support; Microsoft server and Cisco networking knowledge required.
Microsoft Server, Cisco, Windows Server, Linux, Microsoft Windows, Active Directory, Group Policy, DNS, DHCP, LAN/WAN, routers, switches, firewalls, wireless access points, CMMC, NIST 800-171, ERP
3mo
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Senior Network System Administrator`
Agoura Hills, California, United States
$98k-$115k/yr HybridFull Time
5+ YOESenior IT role requiring 5+ years in network/system administration, Azure AD/Entra, Fortinet, Intune, 3+ IT certifications.
Microsoft Entra ID (Azure AD), Fortinet FortiGate/EMS/FortiClient, Microsoft Intune, Microsoft 365, PowerShell, APIs, Azure, SAML, SSO, SSL
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System/ Network Administrator
Sacramento, California, United States
$86k-$138k/yr OnsiteFull Time
5+ YOEBachelor's degree in a related technology field and 5 years of experience, including 2 years in public safety, government, or critical infrastructure. Requires US citizenship, CCNA, network administration, ITSM, and on-call availability.
Cisco IOS, Cisco IOS-XE, OSPF, BGP, EIGRP, STP, VLANs, Cisco ASA/FTD, Palo Alto, Fortinet, TCP/IP, DNS, DHCP, QoS, ServiceNow, Remedy, Windows Server, Linux, SolarWinds, PRTG, Nagios, IPAM, VPN, IDS/IPS, Cisco Viptela, VMware VeloCloud
3mo
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System Administrator/Network Engineer
Philadelphia or Philadelphia or Philadelphia
$58k-$72k/yr HybridFull Time
4+ YOEMid to senior Systems Administrator and Network Engineer with 4–8+ years experience; hybrid role; Windows/VMware/AD; networking devices; backups; scripting.
Windows Server, Windows 11, ThinOS, Active Directory, VMware, Azure, Fortigate, Fortinet, LAN, WAN, WLAN, Veeam, PowerShell, Bash, Python, Scribe, Microsoft Visio, Ansible, Terraform
2mo
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AVUM INC - System & Network Administrator
United States
$100k-$130k/yr HybridFull Time
3+ YOE3+ years system/network administration experience, Bachelor's in IT/CS, Linux and Windows server administration, experience with networking, user/account provisioning, security policy implementation, Active Secret clearance and U.S. citizenship required; scripting and cloud experience preferred.
Linux, Windows, Gitea, Redmine, Jamf, AWS, Python, Bash, PowerShell
6d
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System/Network Administrator Level 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
15+ YOERequires 15 years of system/network administration experience, a technical bachelor's degree or 20 years of experience, active Top Secret/SCI with Full Scope Polygraph, and U.S. citizenship.
Linux, UNIX, Windows, CentOS, HP Tools, OneView, Sitescope, Atlassian Suite, JIRA, Confluence, GitHub, ServiceNow
1mo
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Network/System Administrator II
Albuquerque, New Mexico, United States
OnsiteFull Time
3+ YOE3+ years related experience with 2+ years SCI/SAP experience, Top Secret/SCI clearance, DoD 8570 IA Technician Level 2 within 6 months, bachelor's degree or equivalent preferred, Microsoft Windows and Exchange expertise, backup and network administration skills.
Microsoft Windows 2000/2003/2007 Server, Microsoft Exchange Server 2003, Microsoft Windows XP/Vista, Microsoft Office, IP, TCP, HTTP, HTTPS, FTP, SSL, COMSEC, PL1, PL2, PL3, PL4, JAFAN 6/0, DCID/JAFAN 6/3, DCID/JAFAN 6/9, Common Criteria
2mo
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IT System & Network Administrator
Utqiaġvik, Alaska, United States
$75k/yr OnsiteFull Time
2+ YOEAssociate degree in IT, 2+ years Windows Server and network administration experience, Active Directory/DNS/DHCP/VoIP knowledge, familiarity with cloud platforms, ability to pass background check.
Windows Server, Active Directory, DNS, DHCP, TCP/IP, Juniper, Cisco, Microsoft 365, Azure, Google Workspace, VoIP, LMS, SMTP
4d
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Network/System Administrator II
Albuquerque, New Mexico, United States
$51/hr OnsiteFull Time
3+ YOERequires 3–5 years of related experience, SAP experience, and current TS/SCI clearance. Technical competency with supported server, network, security, virtualization, database, and web platforms is required.
Microsoft Windows Server, Red Hat Enterprise Linux, Microsoft Hyper-V, VMware ESX, Xen, BMC Footprints, WSUS, Lumension, BitLocker, Microsoft SQL Server 2012, Tomcat, IIS, Windows Server 2012 R2, Windows Server 2016, Windows 10, Red Hat Enterprise Linux 6.5, Microsoft Office, LogRhythm, ACAS, Nessus, SCAP, SELinux, RHEL, PitBull, AppArmor, Sentris, VOIP, Oracle, Microsoft SQL, Apache
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Network/System Administrator III
Bedford, Massachusetts, United States
$140k-$168k/yr OnsiteFull Time
5+ YOETop-Secret/SCI clearance, 5+ years experience, DoD 8570 IAT III compliance within 6 months, strong Windows/Linux/virtualization and network security experience, ability to lift 50 lbs and work with classified programs.
Microsoft Windows Server, Active Directory, Red Hat Enterprise Linux, MS Hyper-V, VMWare, ESx, Xen, BMC Footprints, WSUS, Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Windows Server 2012r2, Windows Server 2016, Windows 10, Microsoft Office, Logrhythm, ACAS, Nessus, SCAP, Oracle, MS SQL, Apache, Cisco
1mo
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Network-System Administrator II
Albuquerque, New Mexico, United States
OnsiteFull Time
3+ YOE3+ years related experience, bachelor's degree or equivalent, must obtain DoD 8570.01-M IAT Level 2 certification within 6 months, current Top Secret/SCI clearance and CI polygraph required, Microsoft Windows/Exchange and networking expertise.
Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012 R2, Microsoft Exchange Server 2003, Microsoft Exchange Server 2010, Microsoft Windows 7, Microsoft Windows 10, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, IP, TCP, HTTP, HTTPS, FTP, SSL
3mo
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SYSTEM/NETWORK ADMINISTRATOR
Chesapeake, Virginia, United States
OnsiteFull Time
12+ YOE12 years hands-on experience with software maintenance products; 3 of 5 areas: Linux admin, server/network troubleshooting, software maintenance, systems requirements, operational requirements, test & evaluation; IAT Level 2; travel required; DoD/navy experience preferred.
Linux, NTCSS, OneNet, CANES, Server and Network Troubleshooting, System Maintenance
1mo
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Healthcare System & Network Administrator
Jamestown, New York, United States
$70k-$85k/yr OnsiteFull Time
2+ YOE2+ years system and network administration experience; bachelor's in computer science/IT; proficiency with Microsoft Windows Server, Active Directory, virtualization, Cisco, VOIP; strong analytical and communication skills.
Microsoft Windows Server, Active Directory, virtualization platforms, Cisco, VOIP, Microsoft Office 365, Microsoft Exchange
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Network / System Administrator, Senior
Vandenberg Space Force Base, California, United States
$150k-$170k/yr OnsiteFull Time
7+ YOERequires 7+ years managing DoD network and system infrastructure, a master's degree or equivalent experience, Secret clearance with TS/SCI eligibility, and DoD 8140 advanced certification within six months.
Active Directory, DNS, DHCP, Group Policy, Virtual Desktop Infrastructure (VDI), VMware, Hyper-V, OSPF, EIGRP, BGP, LAN, WAN, DISA STIGs, RMF, POA&M, Microsoft Windows
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