440 network security engineer jobs at 263 companies in Texas

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Senior Network Security Engineer
Dallas, Texas, United States
OnsiteFull Time
NorthMark Compute & Cloud
NorthMark Compute & Cloud: Private U.S. high-performance computing infrastructure provider serving businesses with HPC, cloud, AI, and simulation capacity.
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
1mo
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Sr. Network Security Engineer
Bastrop or Hawthorne
OnsiteFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
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
1mo
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Network Security Engineer
Spring, Texas, United States
OnsiteFull Time
ExxonMobil
ExxonMobilNYSE: XOM: Global energy and chemical driving energy innovation.
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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Network Security Engineer
Plano, Texas, United States
$120k-$135k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
10+ YOERequires 10 years of network security experience, Infoblox, Zscaler, F5 BIG-IP, Palo Alto Networks, networking fundamentals, scripting, troubleshooting, and a bachelor's degree or equivalent experience.
Infoblox, Zscaler ZIA, Zscaler ZPA, PAC files, DLP, F5 BIG-IP LTM, F5 BIG-IP GTM, iRules, Palo Alto Networks, TCP/IP, BGP, OSPF, VLANs, DNS, Python, Ansible, Wireshark, NAT, SSL
1mo
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Network Security Engineer
Irving, Texas, United States
OnsiteFull Time
Liquid Environmental Solutions
Liquid Environmental Solutions: Non-hazardous liquid-waste operator collecting and treating waste for restaurants, grocery chains, hospitality, education, and environmental-services customers.
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
1mo
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Network & Security Engineer
Dallas, Texas, United States
FieldFull Time
Associated Air Center
Associated Air Center: Associated Air Center is a U.S. aircraft MRO and VIP completion facility serving corporations, individuals, and heads of state.
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
3w
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Senior Network & Security Engineer
Leawood or Dallas
$126k/yr OnsiteFull Time
Potters Industries
Potters Industries: Private global manufacturer of engineered glass beads and microspheres for road safety, infrastructure, industrial, and consumer applications.
5+ YOERequires 5+ years of hands-on network engineering and security operations experience, Fortinet and Cisco expertise, security monitoring, vulnerability management, incident response, and clear technical communication.
Fortinet, FortiGate, FortiManager, FortiAnalyzer, FortiAuthenticator, FortiWeb, FortiClient, FortiClient EMS, VPN, IDS/IPS, Cisco, VLAN, Azure, Entra
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Network Security Engineer
Austin or New York City or San Francisco or Seattle
$242k-$284k/yr OnsiteFull Time
Fluidstack
Fluidstack: Building and operating civilization-scale data center infrastructure for AI.
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
3mo
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Senior Network Security Engineer
Plano, Texas, United States
OnsiteFull Time
NTT DATA
NTT DATATokyo Stock Exchange: 9613: Global digital business and IT services provider.
7+ YOERequires 7+ years of network security engineering experience, Palo Alto NGFW, Panorama, SSL/TLS decryption, Cloudflare, load balancers, troubleshooting, documentation, and communication skills; PCNSE preferred.
Palo Alto Networks, Palo Alto Panorama, Cloudflare, SSL/TLS, Zero Trust
1w
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Network Security Engineer (Network & Cybersecurity)
San Antonio, Texas, United States
OnsiteFull Time
BakerRisk
BakerRisk: Employee-owned risk management consulting firm serving industrial companies and government bodies with hazard mitigation, engineering, testing, and research.
5+ YOEBachelor's degree or equivalent experience and 5+ years of enterprise network engineering experience. Requires Cisco, Azure, Active Directory, Entra ID, Microsoft 365, cybersecurity operations, vulnerability management, and incident response experience.
Cisco, Meraki, Arista, VMware, Microsoft Azure, SD-WAN, VMware NSX, NSX-T, Active Directory, Microsoft Entra ID, Multi-Factor Authentication (MFA), Conditional Access, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, CrowdStrike Falcon, ManageEngine OpManager, Microsoft Defender, SIEM, IDS/IPS, PowerShell, Python, CMMC, NIST 800-171, DFARS
3w
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Senior Network Security Engineer
San Antonio, Texas, United States
OnsiteFull Time
International SOS
International SOS: Global provider of health and security risk services.
10+ YOERequires 10+ years in IT, 5+ years designing and operating networks, 5+ years with Check Point security and Cisco networking, relevant bachelor's degree or equivalent experience, CCNA, and eligibility for Tier 3/Level II clearance.
Microsoft Azure, Cisco, Cisco Nexus, Cisco Catalyst, Check Point, F5 Load Balancer, PowerShell, Python, Bash, VPN, IPS, TCP/IP, DNS, HTTP, TLS, SSH
2w
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Staff Network Security Engineer, Google Enterprise Network
Austin or Sunnyvale
$176k-$256k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
10+ YOEBachelor's degree or equivalent practical experience; 10 years in network routing, design, troubleshooting, and security architecture, including threat modeling and security assessments.
TPUs, Vertex AI, Google Cloud
2w
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Palo Alto Network Security Engineer
Dallas, Texas, United States
OnsiteContract
Delan Associates, Inc
Delan Associates, Inc: Professional services and engineering consulting firm.
10+ YOERequires 10+ years of network security experience and expertise with Palo Alto Networks NGFW, PAN-OS, firewall deployment, security policies, NAT, QoS, routing, VPN, Panorama, monitoring, upgrades, and troubleshooting.
Palo Alto Networks NGFW, PAN-OS, Palo Alto Panorama
4d
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Network Security Engineer - Field & Cloud Infrastructure
Cedar Park, Texas, United States
OnsiteFull Time
NOV
NOVNYSE: NOV: Provider of technology and equipment for the energy industry.
5+ YOEBachelor’s degree or equivalent experience, 5–10 years in cybersecurity or network engineering, strong networking and OT security knowledge, automation experience, and cybersecurity framework expertise.
TCP/IP, DNS, DHCP, NAT, VLANs, SIEM, Python, PowerShell, Bash, Ansible, Terraform, NIST CSF 2.0, CIS Controls, ISO 27001, IEC 62443, Azure, AWS, Google Cloud, Fortinet, Starlink, BeyondTrust, NinjaOne, Zabbix, SentinelOne, Jira
1mo
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Security Engineer, Network Security
Austin or San Diego
OnsiteFull Time
Saronic
Saronic: Developing autonomous surface vessels for defense and maritime applications.
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
1mo
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Network Engineer 2
Columbia or Maryland or Virginia or Colorado or Texas or Utah or Alaska or Hawaii
$55-$93/hr OnsiteFull Time
Wyetech
Wyetech: Computer engineering services firm supporting federal government missions.
6+ YOETS/SCI with polygraph required. IAT II certification required. Master's+6 years (or Bachelor's+8 years, or equivalent experience+certifications) of network engineering experience; experience with LAN/WAN design, implementation, maintenance, and network security.
1w
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Cyber Defense Network Security Senior Engineer
Temple or Austin
HybridFull Time
McLane Company
McLane Company: Supply chain services and distribution leader since 1894.
7+ YOEBachelor's degree or equivalent experience, 7+ years in network security or cybersecurity, expertise in firewalls, IDS/IPS, VPNs, segmentation, incident response, forensics, cloud infrastructure, and security frameworks.
Firewalls, Intrusion Detection and Prevention Systems (IDS/IPS), Web Application Firewalls (WAF), DNS, Cloud Access Security Brokers (CASB), Virtual Private Networks (VPNs), NIST, ISO 27001, SOX, PCI DSS, TCP/IP, SIEM
6d
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AVP Tech Network Engineer, Security
Fort Mill or Charlotte or Austin
$104k-$173k/yr HybridFull Time
LPL Financial
LPL FinancialNasdaq: LPLA: Independent broker-dealer and wealth management platform.
5+ YOERequires 5+ years of network and security engineering experience, 2+ years with security technologies, hardening, monitoring, and cloud defense. Hands-on Radware, Palo Alto, Fortinet, and Cisco experience required.
Palo Alto, Cisco FTD, Fortinet, Python, PERL, AWS, Cisco ISE, Radware, SolarWinds, LiveNX, ELK, Azure, Agile
4w
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Senior Network Engineer
Houston, Texas, United States
OnsiteFull Time
ON.energy
ON.energy: Private energy storage developer, technology, and asset owner serving utilities, system operators, data centers, and businesses.
Expert knowledge of network topologies, routing, switching, VLANs, NAT, VPNs, HA and OT/IT segmentation; hands-on experience with industrial networking and security in OT environments.
Palo Alto, Moxa, Siemens PLCs, SEL, Ignition SCADA, Windows, Linux, TCP/IP
6d
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AVP Tech Network Engineer, Security
Fort Mill or Charlotte or Austin
$104k-$173k/yr HybridFull Time
LPL Financial
LPL FinancialNasdaq: LPLA: Independent broker-dealer and wealth management platform.
5+ YOERequires 5+ years of network and security engineering experience, including firewalls, DDoS, VPN, NAC, hardening, monitoring, and cloud defense. Python or Perl, AWS/Azure, and security product expertise required; bachelor's degree and certifications preferred.
Palo Alto, Cisco FTD, Fortinet, Python, PERL, VPN, Cisco ISE, AWS, Radware, SolarWinds, LiveNX, ELK, Azure, Radware Defense Pro, CCNA, CCNP, CISSP, Agile