80 dns jobs at 57 companies in Liberty, TX
1w
Save
Mark Applied
Hide
Senior Network / Firewall Engineer - Houston, TX
Houston, Texas, United States
$110k-$135k/yr OnsiteFull Time
5+ YOE5+ years network/firewall engineering experience with Azure networking, IPsec/SSL VPNs, BGP, DNS/DHCP security, Sophos or equivalent firewall platforms, PKI/certificate management, and large-scale Cradlepoint device support.
Azure VPN Gateway, Azure Networking, Sophos, Cradlepoint, F5 BIG-IP, Azure WAF, Azure Application Gateway, Azure Front Door, PKI, BGP, DNS, DHCP, Azure Monitor, Microsoft Sentinel, Defender for Cloud, Intune
2mo
Save
Mark Applied
Hide
IT Infrastructure Supervisor
Houston, Texas, United States
OnsiteFull Time
15+ YOE15+ years IT experience with 5+ years in Azure/Microsoft 365 systems administration and 5+ years in network administration; experience with Active Directory, DNS, SSL, Cisco Meraki, PowerShell, Windows Server; team and project management skills.
Microsoft Azure, Microsoft 365 (M365), Cisco Meraki, Active Directory, DNS, SSL, PowerShell, Windows 10, Windows Server 2019, Microsoft Teams, Group Policy, VPN
1mo
Save
Mark Applied
Hide
Tier 1, IT Help Desk Support
Austin or Dallas or Houston
HybridFull Time
2+ YOE2+ years IT experience; knowledge of Windows 7/8/10, Microsoft Office, Windows administration (AD, DHCP, DNS, Group Policy), basic networking, virtualization, desktop imaging; CompTIA A+/MCSA preferred; high school required.
Windows 7, Windows 8, Windows 10, Microsoft Office, Active Directory Users and Computers, DHCP, DNS, Group Policy, Sites and Services, Desktop Deployment / Imaging, Windows Server 2008, Windows Server 2012, Windows Server 2016, Microsoft Office 365 Admin portal
1mo
Save
Mark Applied
Hide
26-030.P - Network Admin
Houston, Texas, United States
OnsiteFull Time
2+ YOEKnowledge of TCP/IP, VLANs, IP addressing, switch and firewall configuration; experience with Fortinet and Cisco; able to support DNS/DHCP, VPN, SDWAN, IDS/IPS; travel up to 25%; 2+ years network/IT experience or equivalent.
TCP/IP, VLAN, DNS, DHCP, VPN, SDWAN, Fortinet, Cisco, IDS/IPS, SCADA
2mo
Save
Mark Applied
Hide
Sr. Server Operations Administrator in Houston, Texas
Houston, Texas, United States
OnsiteFull Time
Bachelor's in IT or equivalent experience; significant enterprise Windows/Linux server administration; VMware, Citrix, SAN, backup (Veeam/ExaGrid) and Cisco UCS experience; scripting (PowerShell, Bash, Python); AD/DNS/DHCP/Group Policy; willingness to be on-call.
VMware vSphere, VMware Operations Manager, Citrix, SolarWinds, Microsoft System Center, PowerShell, Bash, Python, Microsoft Active Directory, DNS, DHCP, Group Policy, SAN, Veeam, ExaGrid, Cisco UCS
2w
Save
Mark Applied
Hide
IT Field Services Tech (82183)
Houston, Texas, United States
FieldFull Time
2+ YOE2+ years IT field or desktop support; Windows 11 and Microsoft 365 administration; AD/Entra ID and Intune experience; networking (TCP/IP,DNS,DHCP,VLANs,VPNs); valid driver's license and ability to participate in on-call rotation.
Windows 11, Microsoft 365, Exchange Online, Teams, SharePoint Online, OneDrive, Active Directory, Microsoft Entra ID (Azure AD), Microsoft Intune, VMware, Linux, TCP/IP, DNS, DHCP, VLANs, VPNs, Fortinet, Ubiquiti UniFi, Cisco, Meraki, PowerShell, Hyper-V, ServiceDesk
3w
Save
Mark Applied
Hide
IT Administrator
Houston, Texas, United States
HybridFull Time
Bachelor's in computer-related field required; industry certifications preferred (A+, Network+, Linux+/LPIC, CCNA/CCNP, MCSA/MCSE); knowledge of server hardware, virtualization, networking, VMware, Windows/Linux, Active Directory, DNS, SQL; strong communication skills.
VMware, Windows, Linux, Active Directory, DNS, SQL
3w
Save
Mark Applied
Hide
Systems Engineer
Houston, Texas, United States
RemoteFull Time
3+ YOE3+ years systems engineering experience; Windows Server and Linux administration; cloud (AWS, Microsoft Azure, Google Cloud Platform); virtualization (VMware, Hyper-V); networking (TCP/IP, DNS, DHCP, VPN); scripting with PowerShell/Python/Bash; cybersecurity knowledge.
Windows Server, Linux, AWS, Microsoft Azure, Google Cloud Platform, VMware, Hyper-V, Active Directory, DNS, DHCP, VPN, TCP/IP, PowerShell, Python, Bash
2w
Save
Mark Applied
Hide
Sr. Patching and Vulnerability Management Analyst (Hybrid)
Houston, Texas, United States
HybridFull Time
3+ YOE3+ years SCCM/MECM experience, enterprise Windows patching, PowerShell automation, vulnerability remediation (CVE/CVSS), AD/DNS/DHCP and networking knowledge; bachelor\u0002s or equivalent.
SCCM/MECM, PowerShell, Microsoft Intune / Endpoint Manager, Microsoft Azure, VMware, Hyper-V, Citrix
3w
Save
Mark Applied
Hide
Network Administrator
Houston, Texas, United States
OnsiteFull Time
3+ YOE3+ years network administration experience; administer switches, routers, firewalls, VPNs, wireless; strong TCP/IP/DNS/DHCP and troubleshooting skills; centralized config, monitoring, and documentation experience.
AWS, Azure, GCP
2w
Save
Mark Applied
Hide
Sr. Patching and Vulnerability Management Analyst (Hybrid)
Houston or Colorado Springs
HybridFull Time
3+ YOE3+ years supporting SCCM/MECM, enterprise Windows patching, zero-day/out-of-band patching, PowerShell automation, AD/DNS/DHCP, vulnerability remediation and risk-based prioritization.
Microsoft Endpoint Configuration Manager (SCCM/MECM), PowerShell, Microsoft Intune / Endpoint Manager, Microsoft Azure, VMware, Hyper-V, Citrix, Windows Server, Windows 10/11, Active Directory
2w
Save
Mark Applied
Hide
IT Operations & Security Lead
Tomball, Texas, United States
$65k-$80k/yr OnsiteFull Time
5+ YOE5+ years IT operations experience, bachelor’s in CS/IT or related, strong Windows/macOS support, Google Workspace administration, networking (TCP/IP,DNS,DHCP,VPN), endpoint security, account/access management, and ticketing experience.
Google Workspace, Shopify, ERP, CRM, WMS
3mo
Save
Mark Applied
Hide
NOC Analyst I
Houston or Dallas or Atlanta
RemoteFull Time
0+ YOEHigh school diploma required, 0-2 years network monitoring/IT experience, basic networking knowledge (TCP/IP, DNS, DHCP), familiarity with routers/switches/firewalls, proficiency with Microsoft Office, ability to work shifts and on-call.
SolarWinds, Nagios, PRTG, MikroTik, Ruckus, Microsoft Office, Linux, Windows, ping, traceroute
3w
Save
Mark Applied
Hide
IT Support Analyst
Houston, Texas, United States
OnsiteFull Time
3+ YOE3+ years IT/desktop support experience; strong Microsoft 365, Entra ID/Active Directory, Intune, networking (TCP/IP,DNS,DHCP,VPN,Wi-Fi), and customer service skills; onsite Houston office presence required.
Jira Service Management, Microsoft 365, Outlook, Teams, SharePoint, Active Directory, Microsoft Entra ID, Microsoft Intune, UniFi Network, PowerShell
2mo
Save
Mark Applied
Hide
IT Network Administrator - IB4
Houston, Texas, United States
OnsiteFull Time
Bachelor's in computer science; experience maintaining large-scale computer networks; familiarity with DHCP, DNS, routing, ISO layers, network sniffers (Wireshark/tcpdump); Fortigate and Cisco device administration; monitoring systems (Nagios, nginx); documentation and ISP ticket workflows.
Nagios, nginx, Wireshark, tcpdump, Fortigate, Cisco IOS, Tclsh
2w
Save
Mark Applied
Hide
Identity & Access Management Engineer - Microsoft Entra ID
Houston, Texas, United States
$79k-$93k/yr HybridFull Time
2+ YOEAdminister and support IAM services, user lifecycle, DNS/DHCP/IPAM, SSL certificates and F5 proxies. Bachelor's degree or 4 years relevant experience; minimum 2 years relevant experience. Microsoft Entra ID, scripting and troubleshooting skills preferred. Must be authorized to work in the U.S.
Microsoft Entra ID, F5
22h
Save
Mark Applied
Hide
Sr Network IT Administrator MGT
Houston, Texas, United States
OnsiteFull Time
7+ YOERequires 7+ years designing and operating critical network infrastructure, advanced network protocol expertise, strong communication skills, and problem-solving ability. Bachelor's degree and professional certifications preferred.
AWS, Azure, GCP, BGP, OSPF, EIGRP, ECMP, PBR, AAA, IPAM, DHCP, DNS, Cisco Meraki, IOS, IOS-XE, NX-OS, ASA, FTD, AnyConnect, Palo Alto Firewalls, GlobalProtect, Fortinet, SolarWinds, SNMP, Syslog, APIs
1w
Save
Mark Applied
Hide
Network Installer - Central
Dallas-Fort Worth or Houston or Kansas City or Elgin or Cleveland or Indianapolis or Minneapolis or Memphis
$104k-$166k/yr FieldFull Time
8+ YOERequires U.S. citizenship, ability to obtain Public Trust clearance, degree or equivalent experience, enterprise networking expertise, fiber testing, network protocols, SD-WAN, and leadership skills.
TCP/IP, DNS, DHCP, VPN, BGP, OSPF, EIGRP, Cisco, Juniper, TDM, SD-WAN, SolarWinds, Nagios, OTDR, Microsoft Windows
1w
Save
Mark Applied
Hide
Network Installer - Central
Dallas-Fort Worth or Houston or Kansas City or Elgin or Cleveland or Indianapolis or Minneapolis or Memphis
$104k-$166k/yr FieldFull Time
8+ YOEBachelor's degree with 8+ years' experience or equivalent education and experience; enterprise networking, TCP/IP, routing, SD-WAN, fiber optics, wireless, firewalls, monitoring, and troubleshooting expertise required.
TCP/IP, DNS, DHCP, VPN, BGP, OSPF, EIGRP, Cisco, Juniper, SD-WAN, SolarWinds, Nagios, OTDR, TDM-to-IP, FAA NextGen, CCNA, CCNP, CompTIA Network+, Juniper JNCIA, Juniper JNCIS, BICSI
2mo
Save
Mark Applied
Hide
Sr. Server Operations Administrator
Houston, Texas, United States
OnsiteFull Time
Bachelor's in IT/CS or equivalent; significant enterprise Windows/Linux server administration; VMware, Active Directory, SAN, backup (Veeam/ExaGrid), Cisco UCS; scripting with PowerShell/Bash/Python; on-call participation.
Windows, Linux, VMware vSphere, VMware Operations Manager, Citrix, SolarWinds, Microsoft System Center, PowerShell, Bash, Python, Active Directory, DNS, DHCP, Group Policy, SAN, Veeam, ExaGrid, Cisco UCS