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18 firewall specialist jobs at 16 companies in Texas

2mo
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Network Specialist
Montreal or Nicosia or Austin
HybridFull Time
Aylo
Aylo: Operates global adult entertainment and online gaming streaming platforms.
4+ YOESenior Network Specialist with 4+ years in networking, BGP expertise, Juniper Junos, EVPN, VPNs, multi-tenant environments, network automation, and firewall experience.
BGP, Junos OS, EVPN, EVPN-MPLS, EVPN-VXLAN, IPSec, GRE, Linux, BASH, Python, Ansible, Segment Routing, SR-MPLS, TE, Next-Gen firewalls, Radius, Git, AWS Direct Connect, GCP Interconnect
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1mo
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Field Support Specialist
Wichita Falls, Texas, United States
OnsiteFull Time
Investar Bank
Investar BankNASDAQ: ISTR: Providing commercial and personal banking, lending, and treasury services.
3+ YOE3+ years IT experience with networking and PC maintenance; bachelor's preferred; knowledge of Active Directory, Group Policy, Windows domain controllers, firewalls, and MS Office; strong communication and troubleshooting skills.
Microsoft Office, Active Directory, Group Policy, Windows Domain Controllers, Firewalls, LAN/WAN, Command Line Interfaces, remote control tools
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1mo
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IT Specialist
Baton Rouge or Livingston or San Marcos or Duluth
OnsiteFull Time
Epic Piping
Epic Piping: Provider of turn-key industrial pipe fabrication and distribution services.
5+ YOE5+ years IT experience; Windows Server and Active Directory administration; Office/Microsoft 365 and Azure administration; network, firewall, and wireless experience (Aruba, Cisco Meraki, Fortinet); Citrix; cybersecurity knowledge; enterprise support and cloud migration experience.
Microsoft Windows Server, Microsoft Active Directory, DNS, DHCP, Group Policy, Microsoft Azure Active Directory (Entra ID), Microsoft Azure, Microsoft Office 365, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint Online, Microsoft OneDrive, Microsoft Intune, Citrix, Aruba Wireless Networks, Cisco Meraki, Fortinet
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Cyber Security Specialist
Harlingen, Texas, United States
$75k/yr OnsiteFull Time
Harlingen Consolidated Independent School District
Harlingen Consolidated Independent School District: Provides public K-12 education and student development services.
5+ YOEBachelor's in IT or equivalent, 5+ years supporting enterprise network/cybersecurity/server operations, leadership and incident response experience, strong LAN/WAN/firewall and cybersecurity operations knowledge.
Microsoft, VMware, DNS, DHCP, MFA
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Senior IT Infrastructure and Support Specialist
Dallas, Texas, United States
OnsiteFull Time
Texas Connect, Inc.
Texas Connect, Inc.: Provides management and administrative services to healthcare provider organizations.
7+ YOEBachelor's or 10 years' equivalent experience; 7+ years as Desktop/Network/Systems Engineer; experience with routing, switching, firewalls, TCP/IP, BGP/OSPF/EIGRP/MPLS, VPNs, IDS/IPS, AWS/Azure/Google Cloud, VMware/Citrix, SolarWinds; on-call rotation.
TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP, MPLS, routers, switches, firewalls, load balancers, proxy servers, IDS/IPS, VPN, AWS, Azure, Google Cloud, VMware vSphere, Citrix, SolarWinds, Cisco
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4d
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IT Specialist (Network)
Austin, Texas, United States
$109k-$142k/yr OnsiteFull Time
Department of Veterans Affairs
Department of Veterans Affairs: Provides healthcare and benefits to United States military veterans.
1+ YOEOne year of specialized network experience comparable to GS-12, configuring enterprise data-center infrastructure with switches, routers, firewalls, load balancing, and LAN; U.S. citizenship and background investigation required.
SolarWinds, Orion, Cisco NXOS, LAN, NIST SP 800-181r1
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1w
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Edge Connectivity Specialist 2
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or Saint Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
3+ YOEBachelor's degree or equivalent experience, 3+ years in network engineering or enterprise infrastructure support, and experience with LAN/WAN, wireless, routing, switching, VPNs, VLANs, and firewalls.
Azure, AWS, SD-WAN, VLANs, VPN, LAN/WAN, Fortinet, Palo Alto, Aruba
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Edge Connectivity Specialist 2
Omaha or Phoenix or Saint Paul or Austin or Kansas City or Columbia or Denver or Vienna or Saint Louis Park or Folsom or Portland or Pennington or Woodcliff Lake or Orlando or Harrisburg or Salem or Fort Worth or Pittsburgh or San Antonio or Dallas or Albuquerque or Olympia or Englewood
OnsiteFull Time
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
3+ YOEBachelor’s degree or equivalent experience, 3+ years in network engineering or enterprise infrastructure support, and expertise in LAN/WAN, routing, switching, VLANs, VPNs, wireless, firewalls, and network troubleshooting.
LAN/WAN, VPN, SD-WAN, VLAN, Microsoft Azure, AWS, Fortinet, Palo Alto, Aruba, CCNA, CCNP
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IT Specialist (Systems Administration/ Network Operations)
Kelly Air Force Base, Texas, United States
$33-$38/hr OnsiteFull Time
United States Air Force
United States Air Force: The branch of the U.S. Armed Forces providing air and space defense.
Experience configuring firewalls and network operating systems; supporting WAN, LAN, and storage networks; using SQL or DML; troubleshooting network performance; training technicians; and recommending hardware upgrades.
Cisco, Juniper, McAfee, Windows Server, VMware, Unix, z/OS, Structured Query Language (SQL), Data Manipulation Language (DML), WAN, LAN, Cat5, Cat6, virtualization, cloud computing
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3d
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IT Specialist (Systems Administration/ Network Operations)
Kelly Air Force Base, Texas, United States
$33-$38/hr OnsiteFull Time
Air Force Services Center
Air Force Services Center: Provides community and personnel services for Airmen and families.
Experience administering firewalls, network operating systems, SAN/LAN/WAN networks, database query languages, network testing, customer support, technical communication, training, and troubleshooting. No education substitution.
Cisco, Juniper, McAfee, Windows Server, VMware, Unix, z/OS, Structured Query Language (SQL), Data Manipulation Language (DML), WAN, LAN, SAN, Cat5, Cat6, virtualization, cloud computing
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1d
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IT Cybersecurity Specialist (Information Security)
Oakland or Washington or Hines or Eatontown or Albany or Philadelphia or Austin or Salt Lake City or Martinsburg or Shepherdstown
$91k-$118k/yr HybridFull Time
Department of Veterans Affairs
Department of Veterans Affairs: Provides healthcare and benefits to United States military veterans.
1+ YOEOne year of GS-12-equivalent specialized experience in network security, vulnerability patching, security reviews, risk management, cyber defense applications, routing, load balancing, firewalls, IDS/IPS, or packet brokers.
NIST RMF, intrusion detection/protection systems, antivirus, content blacklists, IDS/IPS, packet brokers, USA Hire, USAJOBS
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2mo
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IT/AV Support Specialist (Full-Time)
Del Valle, Texas, United States
OnsiteFull Time
Circuit of The Americas
Circuit of The Americas: Operates a motorsports racetrack and multi-purpose entertainment venue.
2+ YOETwo years IT support; OS, network maintenance, security, and system performance; Cisco equipment; 802.11 RF; basic firewall; A/V/IT integration; strong communication and confidentiality.
Cisco IOS, Cisco Nexus, Cisco WLC, Meraki, FortiGate, pfSense, Dante, Cobranet, Video switchers, Tricaster, DiGiCo, Yamaha mixers, Microsoft Windows, Mac OS X, Adobe, Google Workspace
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2mo
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Dispatchable Live Desk Specialist - Tier 2
Houston or Dallas
HybridFull Time
ERGOS Technology Partners
ERGOS Technology Partners: Provider of managed IT and cybersecurity services for businesses.
3+ YOETier 2 Live Desk technician with 3+ years service desk/MSP experience; strong Windows, Server, macOS, Active Directory, networking, firewall, VPN, cloud/virtualization, security, and client-facing skills.
Microsoft 365, Exchange Online, Teams, SharePoint, Exchange 2013, Exchange 2016, SonicWall, Fortinet, Palo Alto, Unifi, Ubiquiti, Cisco, Meraki, Dell, HP, AnyConnect, L2TP, DMVPN, ASA, C2960, C3750, 2800 series, 2900 series, EIGRP, OSPF, MPLS, STP, VTP, VLAN, NTP, DHCP, DNS, SMTP, SNMP, Allworx, Microsoft Azure, AWS, VMware, Hyper-V, Windows 10, Windows 11, Windows Server, macOS, Active Directory
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3mo
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IOC Network Specialist
Dallas, Texas, United States
OnsiteFull Time
IREN
IRENNASDAQ: IREN: Operates renewable-powered data centers for AI and Bitcoin mining
2+ YOE2-5 years in data centers or similar ops; CCNA; CompTIA A+; Fortinet FortiGate/FortiSwitch experience; on-site work; travel willingness; strong troubleshooting and communication skills.
Fortinet FortiGate, FortiSwitch, Cisco Nexus, Cisco Firepower, CCNA, CompTIA A+, fiber optic, network switches, PDU, routing, switching, firewall
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2d
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Network Security IT Specialist
La Marque, Texas, United States
$48k/yr OnsiteFull Time
City of La Marque
City of La Marque: Provides municipal government services and public safety to citizens.
2+ YOEAssociate’s or bachelor’s degree in IT, cybersecurity, or related field or equivalent experience; 2+ years of IT experience; valid driver’s license; networking, security, troubleshooting, and documentation skills.
Microsoft Active Directory, Microsoft Entra ID, Microsoft 365, Microsoft Defender, MFA, VPN, Virtual Desktop Infrastructure (VDI), firewalls, switches, routers, wireless networks, Microsoft Windows
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1mo
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Bldg Automation Sys Specialist
Dallas, Texas, United States
OnsiteFull Time
Dallas Fort Worth International Airport
Dallas Fort Worth International Airport: Operates and maintains the Dallas Fort Worth International Airport.
4+ YOEAssociate degree in engineering/energy/computer science or equivalent, 4 years BAS/DCS or industrial controls experience, formal BAS/DCS and computer training, valid Class C driver license, ability to pass medical and drug screen, SIDA badge and airport credentials required.
BACnet, Windows, LAN, VLAN, Firewall, HMI
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Technical Specialist III, Network & Systems Administrator
Houston, Texas, United States
$87k-$104k/yr OnsiteFull Time
Region 4 Education Service Center
Region 4 Education Service Center: Provides specialized support services to Texas school districts.
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
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3d
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Network Engineer - Senior Specialist E4 - CAN/LAN Architect
San Antonio or Lackland AFB
$140k-$165k/yr OnsiteFull Time
Radix Metasystems
Radix Metasystems: Develops software and network solutions for the intelligence community.
15+ YOEU.S. citizenship, active TS/SCI clearance, full-scope or counterintelligence polygraph, 15 years of network design/engineering experience, STEM bachelor's degree or equivalent, and DoD 8570 IAT Level 2 certification.
Cisco, Brocade, Juniper, Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), Virtual Local Area Networks (VLANs), 802.1q, MPLS, firewalls
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