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66 firewall engineer jobs at 47 companies in Mansfield, TX

1mo
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Telecommunications Project Engineer
Fort Worth or United States
RemoteFull Time
Tetra Tech
Tetra TechNASDAQ: TTEK: Global provider of high-end consulting and engineering services.
20+ YOE20+ years engineering experience; telecom expertise (LTE/4G/5G, VoIP, IP, Carrier Ethernet, Pseudowire, GPS timing); enterprise networking, firewalls, fiber optics; project management; Microsoft Office 365 and SharePoint; ability to obtain Public Trust clearance.
Microsoft Office 365, KSN, Microsoft SharePoint, LTE/4G/5G, VoIP, IP, Cloud, Carrier Ethernet, Pseudowire, GPS network timing protocol, firewalls
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2mo
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Network Engineer II
Houston or Dallas or Atlanta
FieldContract
Aerwave
Aerwave: Provides managed WiFi platforms for multifamily residential buildings.
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
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1mo
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Cybersecurity Engineer II
Edison or Richardson or Hartford or St. Paul
$127k-$209k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
4+ YOEBachelor's degree (or equivalent experience) and 4+ years in security or software engineering; hands-on cloud and automation experience; experience with network security controls, firewalls, web application firewalls, intrusion prevention, and strong communication skills. Must be authorized to work in the US without sponsorship.
firewall, intrusion prevention systems, web proxy, web application firewall
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1d
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Senior Network Engineer
Irving, Texas, United States
$89k-$165k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
10+ YOE10+ years supporting production networks; expertise in WAN, datacenter switching, firewalls, load balancing, cloud networking (AWS/GCP/Azure), Python, Terraform, Ansible, and enterprise networking platforms.
Python, Terraform, Ansible, Puppet, Cisco Catalyst, Cisco Nexus, Dell Force10, Arista, Citrix NetScaler, F5 Big IP, SolarWinds NPM, SolarWinds NCM, ExtraHop, AlgoSec, NetBrain, AWS, GCP, Azure
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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
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1w
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Senior Private Cellular Engineer
Plano, Texas, United States
$100k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOEBachelor's in CS/Telecom/MIS or equivalent, 8+ years experience, expertise in private 4G/5G (licensed/CBRS), Nokia/Ericsson systems, NDAC, EPC/5GC, RF propagation, VLANs/QoS/firewall configuration, and troubleshooting with Wireshark/iPerf.
NDAC, Wireshark, iPerf, CPS, Radio Management (RM), Tuner, EPC, 5GC, VLANs, QoS, TCP/IP, Nokia, Ericsson
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3w
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SCADA Engineer
Dallas, Texas, United States
OnsiteFull Time
Producers Midstream
Producers Midstream: Provides natural gas gathering and midstream processing infrastructure services.
5+ YOE5+ years supporting SCADA/industrial control systems; experience with Ignition and Autosol ACM; PLC programming (Allen-Bradley ControlLogix/CompactLogix/Studio 5000), Python/JavaScript/SQL; industrial networking and OT cybersecurity experience.
Ignition, Ignition scripting environment, GeoSCADA, ClearSCADA, Autosol ACM, Python, JavaScript, SQL, Allen-Bradley ControlLogix, CompactLogix, Studio 5000, RSLogix, Modbus TCP/IP, Modbus RTU, OPC UA, OPC DA, DNP3, Ethernet/IP, MQTT, VLANs, switches, routers, firewalls
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3w
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Senior DevOps Engineer
Dallas, Texas, United States
$136k-$187k/yr HybridFull Time
o9 Solutions
o9 Solutions: Provides an AI-powered platform for integrated enterprise planning and operations.
5+ YOE5+ years deployment experience (Masters +5 years or Bachelor's +7 years). Cloud and container experience (AWS/Azure/GCP, Docker, Kubernetes). Familiar with Jenkins, Ansible, Terraform, database administration, Linux/Windows, and on-call rotations.
Jenkins, GitLab, Ansible, Puppet, SSL, firewall, intrusion detection systems, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Microsoft SQL, Mongo, Linux, Windows
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3w
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Forward Deployed Engineer
Washington, DC or Raleigh or Durham or Chapel Hill or Denver or Colorado Springs or Dallas or Fort Worth
$105k-$141k/yr RemoteFull Time
Second Front Systems
Second Front Systems: Secure cloud hosting and automated compliance for government software.
3+ YOEDoD TS/SCI eligibility required, U.S. citizenship, reside near approved hubs; 3+ years in systems deployment/operations in regulated environments; Linux, Kubernetes, Helm, cloud (AWS/Azure/GCP), networking, CI/CD, automation (Go/Rust/Python/Bash), and client-facing troubleshooting experience.
Linux, Ubuntu, CentOS, RedHat, Kubernetes, Helm, AWS, Azure, GCP, CI/CD, VPNs, VLANs, firewalls, Go, Rust, Python, Bash, Prometheus, Grafana, Talos Linux, Docker, Istio, Git, GitLab, Terraform, FedRAMP, NIST
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2mo
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Senior System Engineer
Dallas, Texas, United States
OnsiteFull Time
Iron Mountain
Iron MountainNYSE: IRM: Provides secure storage and information management services globally.
5+ YOE5+ years IT experience; manage enterprise/server/desktops; Windows Server 2016/2022; SQL; AD; IIS; Nutanix; network switches; TCP/IP; firewalls; able to obtain government clearance.
Windows Server, SQL, Active Directory, IIS, Nutanix, Network Switches, TCP/IP, Firewalls
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3mo
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Sr. Network Engineer
Plano, Texas, United States
$95k-$100k/yr RemoteFull Time
Tech Mahindra
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business process services.
7+ YOEBachelor's degree, 7+ years network engineering experience with Palo Alto Networks security, strong routing/switching and firewall skills, PCNSE preferred, Python/Bash knowledge.
Palo Alto Networks Security, Python, Bash
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4w
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Cybersecurity Engineer
Dallas, Texas, United States
OnsiteFull Time
Kimley-Horn
Kimley-Horn: Provides professional planning, engineering, and design consulting services.
4+ YOEBachelor's in a related field, 4+ years network security engineering experience, hands-on firewall expertise (Palo Alto/Panorama), WAF and Cisco ISE experience, networking fundamentals, and participation in incident response and security architecture.
Palo Alto, Panorama, GlobalProtect, Azure, Web Application Firewalls (WAFs), SASE, Network Detection & Response (NDR), Cisco ISE, IDS/IPS, VPNs
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2mo
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Network Engineer
Fort Worth, Texas, United States
OnsiteContract
Radiology Associates of North Texas
Radiology Associates of North Texas: A technology organization focused on designing and supporting enterprise network and hybrid cloud infrastructures.
8+ YOE8+ years network engineering experience with enterprise Cisco routing/switching, firewall and hybrid cloud networking; bachelor\u0002s degree or equivalent; CCNA/CCNP preferred; Azure/AWS familiarity; VoIP and on-call support experience.
Cisco Catalyst, Cisco Nexus, VLANs, STP, EtherChannel, QoS, EIGRP, OSPF, BGP, IPSec, RADIUS, DNS, DHCP, Windows, RingCentral, Microsoft Azure, AWS
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3mo
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Infrastructure Systems Engineer (Irving, TX, US)
Irving, Texas, United States
HybridFull Time
Körber
Körber: Develops technology solutions for pharmaceuticals and supply chain logistics.
3+ YOE3–6+ years in infrastructure, systems or network engineering; Windows/Linux servers; VMware vSphere/ESXi and/or Hyper-V; LAN/WAN, Cisco CLI, VLANs, firewalls, VPNs; backups, storage, disaster recovery; scripting with PowerShell/Python/Bash; non-production environment experience; strong documentation and collaboration with DevOps.
Windows Server, Linux Server, VMware vSphere/ESXi, Hyper-V, Cisco CLI, LAN/WAN, VLANs, Firewalls, VPNs, Backups, Storage, PowerShell, Python, Bash
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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
Huntington
HuntingtonNASDAQ: HBAN: Provides regional commercial, consumer, and mortgage banking services.
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
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2mo
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Network Engineer, GCS/Technology Services
Irving, Texas, United States
HybridFull Time
Vistra
VistraNYSE: VST: Operates power plants and provides retail electricity services.
3+ YOEBachelor’s in IT or related field; 3+ years network engineering; experience with firewalls and enterprise networks; Panorama, IPAM, AD/DNS familiarity; strong problem-solving skills.
Palo Alto, Cisco, Fortinet, Juniper, Arista, Panorama, TACACS, Splunk, TripWire, IPAM, Active Directory, DNS, OSPF, LSVPN
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Information Security Engineer II - End Point
Plano, Texas, United States
OnsiteFull Time
First United Bank
First United Bank: Offers retail and commercial banking, mortgage, and insurance services.
3+ YOE3–5 years in cybersecurity engineering; experience with EDR (CrowdStrike), DLP, endpoint security, firewall, and vulnerability management.
CrowdStrike Falcon, Digital Guardian, Microsoft Purview, Palo Alto Networks NGFW, Forescout CounterAct, Mimecast, Qualys, Tenable, CIS Benchmarks, DISA STIGs
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1w
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Network Engineer III
Arlington, Texas, United States
OnsiteFull Time
D.R. Horton
D.R. HortonNYSE: DHI: Constructs and sells residential homes across the United States.
4+ YOE4+ years related network engineering experience; maintain routers, switches, VPNs and firewalls; BGP/OSPF/EIGRP and other protocols; Cisco IOS/Nexus NX-OS experience; HS diploma; valid driver's license and vehicle; on-call and travel as needed.
Cisco IOS, Nexus NX-OS, F5 Load Balancer, Microsoft Office
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1w
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Network Engineer
Arlington, Texas, United States
OnsiteFull Time
CAE
CAENYSE: CAE: Provides flight simulation and training services to aviation industries.
2+ YOE2+ years supporting complex LAN/WAN/WLAN environments, knowledge of routing/switching, firewalls, network services, monitoring tools, cloud networking, and strong troubleshooting skills.
CloudVision, PRTG, Perle OOBM, Solarwinds, Nagios, Infoblox, Azure GCC-High, SIEM
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1w
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Network Engineer III
Arlington, Texas, United States
OnsiteFull Time
D.R. Horton
D.R. HortonNYSE: DHI: Designs and constructs single-family residential homes.
4+ YOEMaintain and troubleshoot enterprise networks, configure routers/switches/firewalls, implement security and disaster recovery, provide on-site support and coach team members.
BGP, OSPF, EIGRP, HSRP, VRRP, VRF, VTP, DHCP, DNS, Cisco IOS, Nexus NX-OS, F5 Load Balancer, SDWAN, ACI, Windows, Microsoft Office
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