46 firewall jobs at 35 companies in Houston, TX
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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
1mo
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Network Administration Analyst I (Houston, TX, US, 77042)
Houston, Texas, United States
OnsiteFull Time
1+ YOESupport and maintain network systems, monitor network health, troubleshoot routing/switching/firewall issues, work with service providers, and manage network monitoring/configuration tools.
Wireshark, SolarWinds, Panorama, PA NextGen Firewalls, Prisma, Cisco routers, Cisco switches, Cisco firewall, Cisco wireless, SNMP, Netflow, IP SLA
2w
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Senior Infrastructure Lead
Amarillo or Dallas or Houston or Lubbock or Denver or Oklahoma City or Albuquerque
$140k-$160k/yr RemoteFull Time
10+ YOE10+ years infrastructure engineering experience with Dell HCI, networking/Cisco firewalls, Windows/SQL Server, Azure, monitoring ownership, and strong troubleshooting and documentation skills.
Dell HCI, Cisco firewalls, Azure, Azure Monitor, Azure AD, Windows, SQL Server, site 24x7, Lan Sweeper, Manage Engine, Teramind, PagerDuty, Jira, Rapid 7, PowerShell, Python, Wazuh, Microsoft Office
2w
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Senior Network Engineer
Sugar Land, Texas, United States
OnsiteFull Time
7+ YOEBachelor's in CS or related, 7+ years in network design/implementation/troubleshooting, Cisco routers/switches/firewalls experience, LAN/VOIP knowledge, strong communication, authorized to work in the US (no visa sponsorship).
Cisco Routers, Cisco Switches, Cisco Firewalls, VOIP, LAN, Microsoft Suite
2w
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Network Engineer - Shipping
Houston, Texas, United States
OnsiteFull Time
Bachelor's or equivalent experience in a technical field; experience designing/supporting enterprise, industrial or maritime networks; working knowledge of switches, routers, firewalls, wireless, routing and monitoring; strong communication and coordination skills.
switches, routers, firewalls, wireless, remote access, IP addressing, routing, monitoring, Cisco, Fortinet, Palo Alto Networks, Check Point, Microsoft Azure
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Network and Computer Systems Engineer
Houston, Texas, United States
$70k-$143k/yr OnsiteFull Time
5+ YOEBachelor's degree in a computing discipline, 5+ years Linux system administration/networking/cybersecurity experience, proficiency with RHEL/Ubuntu, firewalls, VPNs, switches, NIST SP 800-53 compliance, and collaboration tools like Jira/ServiceNow.
Linux, Red Hat, Ubuntu, firewalls, VPN, DNS, DHCP, Cisco, Jira, ServiceNow, Git, GitLab, GitHub, Jenkins, Docker, Podman, Confluence, Microsoft Active Directory, Microsoft Group Policy, Puppet, Ansible, PowerShell, Tenable SecurityCenter, HCL BigFix, Splunk, GitLab Continuous Integration, Apache, Nginx, Elasticsearch, PostgreSQL, Bash, Python
2mo
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Security Operations Engineer
Houston, Texas, United States
HybridFull Time
3+ YOE3+ years in network operations, security operations, and WAN tech; strong Palo Alto, Zscaler, and firewall experience; leadership and communication skills.
Palo Alto NGFW, Panorama, Zscaler, ZIA, ZPA, Ansible, Python, Terraform, BGP, Cisco Routing, ISE, NSGs, Virtual WAN, SASE
2w
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Dispatchable Support Engineer - Tier 3
Houston, Texas, United States
HybridFull Time
3+ YOE3+ years service-desk/MSP experience; strong Windows, server, networking, VPN, firewall, and cloud skills; excellent communication and documentation; bachelor’s preferred.
Microsoft 365, Exchange Online, Teams, SharePoint, Exchange 2013, Exchange 2016, SonicWall, Fortinet, Palo Alto, Unifi, Ubiquiti, Cisco, Meraki, Dell, HP, AnyConnect, L2TP, DMVPN, EIGRP, OSPF, MPLS, STP, VTP, NTP, DHCP, DNS, SMTP, SNMP, Microsoft Azure, AWS, VMware, Hyper-V, Allworx, Windows 10, Windows 11, Windows Server, macOS, Active Directory, packet captures
1mo
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Network Security Engineer
Spring, Texas, United States
OnsiteFull Time
3+ YOE3+ years network security experience; expertise with firewalls and network security platforms; Bachelor’s degree in CS/CE/IT; familiarity with automation and cloud network security.
Cisco ASA (CSM), FTD (FMC), FortiGate (FortiManager), Juniper SRX (Junos Space), GitHub, Terraform, Ansible, Python, REST API, Jenkins, Jinja2, YAML, AWS, Azure
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Technical Specialist III, Network & Systems Administrator
Houston, Texas, United States
$87k-$104k/yr OnsiteFull Time
5+ YOEProvide primary LAN/WAN, server/storage, firewall and virtualization support; mentor junior staff; procure and deploy network/server hardware; support AWS/M365/Azure environments.
Cisco IOS, Palo Alto, SolarWinds, VMware, AWS, Microsoft 365, Azure, Okta, Microsoft Exchange, ADFS, Active Directory
5d
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Senior IT Analyst - Networking
Houston, Texas, United States
OnsiteFull Time
5+ YOERequires 5 years managing Cisco Firepower FTD/FMC, 3+ years with 802.1X NAC and cloud firewalls, network troubleshooting, critical thinking, project management, and strong communication.
Cisco Firepower Threat Defense (FTD), Firepower Management Center (FMC), Cisco Secure Firewall, Microsoft Azure, Security Information and Event Management (SIEM), Microsoft 365, Cisco, 802.1X Network Access Control (NAC), Cisco TrustSec, Cisco Secure Firewall Management Center (cdFMC), Uniform Resource Locator (URL), Domain Name System (DNS), Secure Sockets Layer/Transport Layer Security (SSL/TLS)
3w
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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
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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
3mo
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Network Engineer II
Houston or Dallas or Atlanta
FieldContract
3+ YOEBachelor's degree or equivalent, 3+ years network engineering experience (ISP/service provider preferred), hands-on with switches/routers/firewalls, wireless/RF design, monitoring tools, and ability to travel to local/regional sites.
Wireshark, PRTG, NetBox, Microsoft Office, MikroTik, Cisco, Juniper, Ubiquiti, Ruckus, SNMP
4w
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Network Engineer
Miramar or Atlanta or Austin or Houston or Dallas or Orlando or Tallahassee or West Palm Beach or Fort Lauderdale or Phoenix or Charlotte
HybridFull Time
7+ YOEDesign, implement, operate, and maintain enterprise LAN/WAN/firewall/Wi‑Fi systems; 7+ years routing and switching and multi‑site network administration; 2+ years cloud networking; scripting and automation experience.
OSPF, BGP, BGP-EVPN, VxLAN, Palo Alto, Panorama, Arista, Cisco, 802.1x, RADIUS, Tacacs+, IPsec, ExpressRoute, Microsoft Azure Virtual WAN, AWS Direct Connect, Transit Gateway, NSGs, Azure Firewall, SNMP, NetFlow, syslog, Wireshark, Powershell, Ansible, Python, Bash, Terraform, Azure Resource Manager (ARM), Azure Network Watcher, AWS CloudWatch, VPC Flow Logs
1mo
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Network Engineer 3
Columbus or Birmingham or Tupelo or Atlanta or Detroit or Minnetonka or Houston or Dallas
$70k-$140k/yr OnsiteFull Time
7+ YOE7+ years network/solutions engineering experience; Bachelor’s degree or 4+ years equivalent experience; hands-on Cisco/Arista, routing/switching/firewall experience; automation with Ansible/Python; strong troubleshooting and communication skills.
Cisco, Arista, Ansible, Python
2w
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IT Support Technician
Houston, Texas, United States
OnsiteFull Time
2+ YOE2+ years desktop/service-desk experience, hands-on firewall and switch troubleshooting, Microsoft Azure/Entra ID and AD administration, Windows 10/11 support, valid driver\u0019s license, strong communication skills.
Microsoft Azure, Microsoft Entra ID, Microsoft 365, Microsoft Teams, Microsoft Outlook, Microsoft SharePoint, Microsoft OneDrive, Microsoft Intune, ADManager Plus, AD360, FortiGate, Aruba, Cisco, Zebra, Zebra ZPL, Windows 10, Windows 11, AccuSpeech, Vocollect, ServiceNow, Freshservice, Zoho Service Desk, ManageEngine Mobile Device Manager Plus, SOTI MobiControl
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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
1mo
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Network and Computer Systems Engineer
Houston, Texas, United States
$70k-$143k/yr OnsiteFull Time
5+ YOEBS degree in computer-related field, 5+ years Linux administration and networking experience, cybersecurity compliance (NIST SP 800-53) knowledge, proficiency with Linux (RHEL/Ubuntu), firewalls/VPNs/switches, scripting, and technical documentation.
Red Hat, Ubuntu, Linux, Cisco, Jira, ServiceNow, Git, GitLab, GitHub, Jenkins, Docker, Podman, Confluence, Microsoft Active Directory, Microsoft Group Policy, Puppet, Ansible, PowerShell, Bash, Python, Tenable SecurityCenter, HCL BigFix, Splunk, Apache, Nginx, Elasticsearch, PostgreSQL
3mo
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Senior Security Engineer
Houston, Texas, United States
OnsiteFull Time
3+ YOE3-5 years in information security across endpoint, network, cloud, and identity; hands-on EDR, firewall, ZTNA, CIEM, SIEM; PCI DSS; scripting with Python/PowerShell; preferred CISSP/GPEN/CCSP, hospitality/gaming industry experience.
Endpoint Detection and Response, Next-Generation Firewall, Zero Trust Network Access, Secure Web Gateway, SIEM, Python, PowerShell, MFA, Cloud IAM, Vulnerability Management, BEC protection, Bug bounty
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