685 network security jobs at 404 companies in Texas

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Network Security Engineer
Spring, Texas, United States
OnsiteFull Time
ExxonMobil
ExxonMobilNYSE: XOM: Produces and distributes oil, natural gas, and petrochemical products.
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
2w
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Senior Network Security Architect
Quincy or Princeton or Clifton or Austin
$120k-$203k/yr HybridFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
14+ YOEDesign and govern enterprise network security across on‑premises, cloud, hybrid and third‑party environments; deep network security, cloud networking, and architecture review experience required.
AWS, Azure, Google Cloud Platform, TCP/IP, VPN, IDS/IPS, ZTNA, SASE
2w
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Network Security Engineer
Plano, Texas, United States
$120k-$135k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOE10+ years network security engineering experience with Infoblox, Zscaler (ZIA/ZPA), F5 BIG-IP, Palo Alto firewalls, networking fundamentals, Python/Ansible automation, and bachelor's degree or equivalent.
Infoblox, Zscaler ZIA, Zscaler ZPA, PAC files, DLP, F5 BIG-IP LTM, F5 GTM, iRules, Palo Alto Networks, TCP/IP, BGP, OSPF, VLANs, DNS, Python, Ansible, Wireshark
2w
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Network Security Engineer
Irving, Texas, United States
OnsiteFull Time
Liquid Environmental Solutions
Liquid Environmental Solutions: Collects and treats non-hazardous liquid waste for commercial clients.
10+ YOE10+ years IT experience with network and cloud security, Azure security (AAD/Entra ID, Conditional Access, MFA), firewall management, vulnerability remediation, Nutanix/Cohesity backups, and incident response.
Microsoft Azure, Azure Active Directory (Entra ID), Conditional Access, Multi-Factor Authentication (MFA), Microsoft Defender for Cloud, Microsoft Sentinel, Cisco Meraki, Fortigate, Nutanix AHV, Cohesity, Microsoft Intune, WSUS, Citrix XenApp, Windows Server, DNS, DHCP, TCP/IP
5d
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Network & Security Engineer
Dallas, Texas, United States
FieldFull Time
Citadel Aviation
Citadel Aviation: Provides aircraft interior completions and maintenance services.
5+ YOE5+ years enterprise network and security experience; hands-on with next-gen firewalls, switching, wireless, endpoint and identity security; experience with SOC/MDR and vulnerability management; bachelor\u0002s degree or equivalent.
Palo Alto, Cisco, Meraki, Microsoft 365, Entra ID, Microsoft Defender for Endpoint, Intune, Tenable Nessus, Tenable, KnowBe4, SD-WAN
2w
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Sr. Network Security Engineer
Bastrop or Hawthorne
OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
5+ YOE5+ years network security experience with enterprise remote VPNs (Tailscale/WireGuard/IPsec), Linux, Python, and network routing; bachelor’s in STEM preferred (or 8+ years experience); 3+ years securing networks/infrastructure.
Tailscale, WireGuard, IPsec, SSL, Linux, Python, Go, eBGP, iBGP, OSPF, SD-WAN, SIEM
1w
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Staff Network Security Engineer, Google Enterprise Network
Austin or Sunnyvale
$176k-$257k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
10+ YOEBachelor's degree or equivalent and 10+ years experience in network routing, design, troubleshooting and network security; experience with security architecture, threat modeling, and automation.
TPU, Vertex AI, Google Cloud
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Network Security Engineer
Austin or New York City or San Francisco or Seattle
$242k-$284k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experience securing production networks at scale, packet analysis, IT/OT segmentation, deploying NDR/flow detection, infrastructure-as-code for firewall rules, and familiarity with OT/ICS, BGP, Zeek or Suricata.
Zeek, Suricata, BGP, NDR
1mo
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Senior Network Security Specialist
Tonawanda or The Woodlands
$77k-$112k/yr OnsiteFull Time
Linde
LindeNYSE: LIN: Supplies industrial gases and develops gas processing technologies.
5+ YOE5+ years IT/network security experience, Bachelor's degree required, proficiency with Palo Alto NGFW and Zscaler (ZIA/ZPA), experience implementing and operating network security, ability to review rulesets and mentor teams; must be authorized to work in the US.
Zscaler Internet Security (ZIA), Zscaler Private Access (ZPA), Palo Alto Firewalls (NGFW)
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Network Security Analyst
Richardson, Texas, United States
$99k-$130k/yr OnsiteFull Time
Lennox International
Lennox InternationalNYSE: LII: Manufacturer of heating, ventilation, and air conditioning equipment.
5+ YOE5+ years relevant experience, 2-3 years configuring Palo Alto firewalls, associates degree or equivalent, preferred security certifications, Windows/Linux familiarity, strong network troubleshooting and IDS/IPS skills.
Palo Alto, Putty, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows 11, Linux, ssh
1mo
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Senior Network Security Engineer
Dallas, Texas, United States
OnsiteFull Time
NorthMark Strategies
NorthMark Strategies: Investment firm providing asset management and high-performance computing infrastructure.
7+ YOE7+ years network security engineering experience securing on-premises and cloud (AWS/Azure/GCP) environments; strong network protocol knowledge, SIEM/IDS/IPS experience, familiarity with NIST/CIS/ISO frameworks, and ability to mentor junior engineers.
AWS, Microsoft Azure, GCP, firewalls, IDS/IPS, VPNs, SIEM, VxLAN EVPN, MSSP, NIST, CIS Benchmarks, ISO 27001
3d
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Network Security Consultant
Raleigh or Richardson or Tempe
OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Experience with FortiGate firewalls, cloud WAFs (AWS/Azure), network security monitoring, troubleshooting, and infrastructure assessments; bachelor\u0002s degree or equivalent experience; ability to relocate/travel; U.S. work authorization without employer sponsorship required.
FortiGate, IPS, IDS, VPN, proxy, AWS WAF, Azure WAF, Azure monitor, key vaults, Sentinel, Endpoints, Defender for cloud, AWS Networking Services
3mo
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Sr Network Security Engineer
Flower Mound, Texas, United States
$76k-$101k/yr OnsiteFull Time
WORLDPAC
WORLDPAC: Wholesale distributor of automotive parts and supplies.
10+ YOE10-12 years in enterprise network security with Palo Alto expertise; Bachelor’s in CS or related field; PCNSE cert; cloud and Zero Trust experience.
Palo Alto Networks, Panorama, Strata Cloud Manager, NGFW, Azure, Cloudflare, Cisco Umbrella, Public PKI, SolarWinds Network Performance Monitor, NetFlow Traffic Analyzer, NPM, NTA, Terraform, Ansible, Python
1mo
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Network Security Engineer - Central Health
Austin or Nashville or Brentwood
$120k-$140k/yr HybridFull Time
Fortified Health Security
Fortified Health Security: Healthcare-focused provider of managed cybersecurity and risk services.
3+ YOEBachelor's in IT or related field required, 3+ years supporting enterprise networking and security, firewall and VPN experience (Palo Alto, Cisco, Fortinet), cloud networking (Azure/AWS) preferred, security certifications preferred.
Palo Alto Networks, Cisco Systems, Fortinet, NAC, ZTNA, VPN, SIEM, IDS/IPS, WAF, Microsoft Azure, AWS
3mo
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Sr Network Security Engineer
Flower Mound, Texas, United States
$76k-$101k/yr OnsiteFull Time
Worldpac
Worldpac: Wholesale distributor of original equipment and aftermarket automotive parts.
10+ YOE10-12 years enterprise network security engineering; Bachelor's degree; Palo Alto Networks expertise; Azure NGFW; Zero Trust; Cloud security; NPM/NetFlow; PCNSE certification; after-hours availability.
Palo Alto Networks, Panorama, Strata, DLP, GlobalProtect, Azure, NGFW, Cloudflare, Cisco Umbrella, Public PKI, NPM, NetFlow
2mo
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Network Security Manager
Farmers Branch, Texas, United States
OnsiteFull Time
TIB
TIB: Correspondent banking services for community financial institutions.
Experience architecting and managing SIEM, endpoint, email security and vulnerability programs; security certifications (CRISC, CISSP, GSEC) preferred; scripting with PowerShell, Python, YAML; bachelor’s in computer-related field or equivalent.
SIEM, PowerShell, Python, YAML
2w
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Network Security Engineer -Hybrid - Plano, Texas
Plano, Texas, United States
$112k-$149k/yr HybridFull Time
NTT DATA
NTT DATATokyo Stock Exchange: 9613: Global provider of business and technology consulting and IT services.
8+ YOE8+ years in security engineering with experience in firewalls, IDS/IPS, EDR/NDR, SOC operations, incident response, networking and Linux; PaloAlto experience required; security and networking certifications preferred.
PaloAlto, Zscaler, Prisma SASE, Fortinet, Cisco FTD, EDR, NDR, SOAR, HoneyPots, Syslog, Linux
2mo
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Network Security Engineer - United States
Atlanta or Green Bay or Plano or Wichita
OnsiteFull Time
Koch Inc.
Koch Inc.: Operates global manufacturing, refining, and industrial technology businesses.
Extensive enterprise network security experience; Zscaler ZIA/ZPA; Zero Trust; TCP/IP; cloud platforms; SIEM tools.
Zscaler, SIEM
2mo
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Firewall/Network Security Administrator
San Antonio, Texas, United States
OnsiteFull Time
Sumaria Systems
Sumaria Systems: Defense IT and network security services that support DoD operations.
5+ YOE5+ years enterprise network security; DoD boundary protection; firewall/IDS/IPS; DCO; Top Secret/SCI clearance.
Firewalls, IDS/IPS, Load balancers, Web proxies
3d
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Security Engineer, Network Security
Austin or San Diego
OnsiteFull Time
Saronic
Saronic: Building autonomous surface vessels for maritime defense operations.
5+ YOE5+ years enterprise network security experience; firewall, segmentation, VPN, wireless, cloud networking (AWS); strong L3-L7 fundamentals; ability to obtain U.S. security clearance.
Palo Alto, Cisco, Aruba, GlobalProtect, Tailscale, WireGuard, IPsec, AWS, Echelon