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22 firewall engineer jobs at 19 companies in Round Rock, TX

1d
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Software Engineer, Network Firewall
Austin or Atlanta
HybridFull Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
Experience building large-scale distributed systems, systems-level programming, networking protocols, network security products, RESTful APIs, data pipelines, and performance optimization for high-throughput systems.
Go, Rust, Linux, netfilter, nftables, eBPF, tc, RESTful APIs, Network namespaces
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2mo
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Mid Network Engineer (Korean Bilingual)
Taylor, Texas, United States
$8k/mo OnsiteContract
SBT Global
SBT Global: Provides integrated IT consulting and global logistics management services.
5+ YOE5+ years in enterprise networking with Cisco devices; Korean bilingual; CCNP Enterprise or CCIE; strong routing/switching, firewall, load balancer, and multicast experience.
Cisco Catalyst, Cisco Nexus, Firewalls, Load Balancers, F5, iRules, PIM, MSDP, Anycast-RP, VPN, IPSec, 802.1x, TACACS+, Multicast, Python, Ansible
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1w
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Sr. Network Engineer – Network Infrastructure Lead
San Diego or Austin
$145k-$180k/yr OnsiteFull Time
Cirrascale
Cirrascale: Provides specialized GPU-based cloud infrastructure for AI workloads.
7+ YOE7+ years network engineering with multi-homed internet edge, BGP/OSPF/Layer2-3, SD-WAN, firewall and InfiniBand experience; hands-on with enterprise routers/switches, network monitoring, automation (Ansible/Python); on-call participation.
InfiniBand, BGP, OSPF, ECMP, VLAN, Cisco, Arista, SONiC, Fortinet, Nagios, Zabbix, Prometheus, Grafana, Ansible, Python, OpenStack, VMware, k8s
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2w
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Network Engineer
Austin or Texas
$45-$65/hr HybridContract, Full Time
KH IT Services
KH IT Services: Provides managed IT and cybersecurity support for small businesses.
Advanced network engineering skills including routing, switching, VLANs, VPNs, firewall administration, incident ownership, project leadership, security and AI enablement; required certifications and client-facing travel in Central Texas.
HaloPSA, NinjaOne, GoTo, Guardz, SentinelOne, Microsoft Copilot
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2w
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UNIX DevOps Cloud Engineer
Charlotte or Nashua or Austin
$121k-$205k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
8+ YOEExtensive UNIX server operations and cloud automation experience, Azure cloud and IaC expertise, scripting (Python, Puppet, Ruby), CI/CD/DevSecOps skills, container and networking knowledge.
Azure, App Services, Key Vault, Azure Storage, Azure Networking, Azure Monitor, Python, Puppet, Ruby, REST, ARM, Bicep, Terraform, Ansible, Chef, Red Hat Enterprise Linux, Docker, Kubernetes, TCP/IP, DHCP, DNS, firewalls, VLAN
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1mo
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Building Automation Systems Application Engineer II
San Antonio or Austin or Houston
OnsiteFull Time
Schneider Electric
Schneider ElectricEuronext Paris: SU: Provider of energy management and industrial automation solutions.
2+ YOE2+ years experience in building automation programming; ability to lead medium/large projects; proficiency with BACnet, Modbus, LON, IP networking and BAS device configuration; strong communication and troubleshooting skills.
Tridium Niagara, Schneider Electric Ecostruxure Building operation system, Siemens Building automation system, Johnson Controls systems, BACnet, Modbus, LON, IP networking, DDC, switches, routers, controllers, gateways, firewalls
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3mo
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Network Engineer
Austin, Texas, United States
OnsiteFull Time
Sigma Information Group
Sigma Information Group: Provides managed IT services and cybersecurity for businesses.
5+ YOECCNP plus 5+ years designing, implementing, and supporting enterprise network infrastructure including routing, switching, firewalls, ZTNA, wireless, and WAN/SDWAN; Azure and virtualization experience; strong troubleshooting and documentation skills.
VMWare, Hyper-V, Azure, Cisco IOS, Meraki, Palo Alto, Fortinet, Ubiquiti, Ruckus, GitLab, Ansible, Python, ZTNA
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1mo
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Network Engineer
Amsterdam or London or Chicago or Austin or New York City or Sydney or Shanghai or Hong Kong or Singapore or Taipei or Mumbai
OnsiteFull Time
Optiver
Optiver: Global market maker providing liquidity to financial markets.
10+ YOE10+ years experience designing, implementing and troubleshooting complex LAN/WAN and data center networks; hands-on Arista/Cisco experience, IaC, multi-zone firewalls, Unix administration, and international WAN management.
Arista, Cisco, Infrastructure as Code (IaC), Unix
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Support Engineer
Austin, Texas, United States
HybridFull Time
LightEdge
LightEdge: Provides hybrid cloud, colocation, and managed IT infrastructure services.
5+ YOE5+ years cross-platform support (3+ in Cloud/MSP), bachelor\u0002s or equivalent, strong Cisco, VMware, backup/DR, firewall, ServiceNow, automation (Ansible/Terraform), excellent communication and problem-solving.
ChatGPT, Copilot, ServiceNow, Ansible, Terraform, Veeam, Commvault, Zerto, VCDA, VMware, Pure, IBM, NetApp, FortiGate, Palo Alto, Cisco, Linux, Unix, Windows
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3w
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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
Greenberg Traurig
Greenberg Traurig: Provides global legal representation and corporate advisory services.
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
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2w
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Senior Network Engineer
Austin or Chicago
$82k-$115k/yr HybridFull Time
Corient
Corient: Fiduciary wealth management services for high-net-worth individuals and families.
5+ YOEBachelor's in a technical field,5+ years enterprise network experience,Cisco Meraki, firewall, LAN/WAN/VPN/wireless,EMR not applicable,ISE and FTD familiarity,CCNP preferred,Azure networking and automation experience.
Cisco Meraki, Cisco Identity Services Engine (ISE), Cisco Firepower Threat Defense (FTD), Firepower Management Center (FMC), Wireshark, PowerShell, Python, REST APIs, Microsoft Azure, LogicMonitor, SolarWinds, PRTG, ThousandEyes, OSPF, BGP, Cisco Meraki AutoVPN
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2w
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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
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2d
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Software Engineer, Networking & Linux Systems
Austin, Texas, United States
OnsiteFull Time
Avride
Avride: Develops and operates autonomous vehicles and delivery robots.
Deep Linux systems and networking expertise; Go and Python programming; IP routing, VLANs, firewalling, packet troubleshooting, and debugging across kernels, drivers, and hardware.
Linux, Go, Python, C, C++, NIC, PTP, IEEE 802.1AS, gPTP, Marvell, Broadcom, VLAN, Automotive Ethernet, 5G, LTE, x86_64, ARM64, NVIDIA, PCIe, Ethernet, tcpdump, Wireshark, nftables, iptables, TSN, JTAG, I2C, SPI, Nix, NixOS, cgroups
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3w
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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
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3mo
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Network Engineer
Fort Hood, Texas, United States
OnsiteFull Time
DCS Corporation
DCS Corporation: Providing engineering and technical services for national security.
4+ YOEMonitor networks, configure/install devices, perform maintenance and upgrades; ensure availability; liaise with vendors.
Routers, Switches, Firewalls, Load Balancers, VPN, QoS
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3mo
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Information Technology Network Engineer
St. Augustine or Miami or Dallas or Austin
$68k-$96k/yr HybridFull Time
University of St. Augustine for Health Sciences
University of St. Augustine for Health Sciences: Provides graduate degree programs specializing in health sciences.
5+ YOEEnterprise network admin with routing/switching, security, cloud networking; hybrid on-site role; 3 days on campus; bachelor’s in CS or 5+ years exp; certifications preferred.
VMware ESXi, Active Directory, DHCP, DNS, AWS, VPN, Firewall, NAT, VLAN, OSPF, EIGRP, BGP, IDS/IPS, SIEM, Entra IAM, SAML SSO, PIM
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1w
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Systems Architect I
Austin or Reno
$75k-$85k/yr OnsiteFull Time
International Game Technology
International Game Technology: Global provider of gaming, digital entertainment, and fintech solutions.
0+ YOEBachelor's or equivalent experience, 0-2 years in systems/infrastructure roles, knowledge of Windows Server and Linux, virtualization, scripting (PowerShell/Bash/Python/Ansible), networking fundamentals, and documentation skills.
Windows Server, RHEL, Ubuntu, PowerShell, Bash, Python, Ansible, VMware, Proxmox, StorMagic, Microsoft Office, Active Directory, Group Policy, TCP/IP, DNS, DHCP, VPN, Firewall
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13h
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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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17h
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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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3w
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VP, Cloud Security Operations
Austin or Fort Mill or Charlotte or New York City or San Diego or Tempe
$155k-$258k/yr HybridFull Time
LPL Financial
LPL FinancialNASDAQ: LPLA: Provides independent financial advisory and wealth management services.
10+ YOE10+ years in cybersecurity/cloud security engineering, SIEM/EDR/log management experience, 2+ years telemetry and integration engineering, automation using Python/PowerShell/Go/APIs, strong communication and detection engineering skills.
EDR, XDR, SIEM, Log Management, Secure Browser, CNAPP, IDS/IPS, DLP, WAF, Firewalls, Python, PowerShell, Go, APIs, SOAR
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