Hyperscale Network Security Architect - Data Center/Cloud

GTN Technical Staffing; Dallas (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

GTN Technical Staffing is seeking a Senior Network Security Engineer to lead the design, implementation, and optimization of a hyperscale network security environment. This role combines deep technical expertise with leadership responsibilities, driving security architecture, incident response, and automation initiatives across a complex, high-availability infrastructure.

You will play a key role in securing distributed HPC and cloud environments, partnering closely with network engineering,

Qualifications

• 8+ years of experience in network engineering and network security with architectural responsibilities.
• Experience designing trusted, untrusted, and DMZ environments.
• Strong knowledge of TCP/IP, routing, switching, and OSI model fundamentals.
• Hands-on with firewalls, VPNs, proxies, IPsec, TLS/HTTPS, DNS, NTP, and AAA.
• Experience with Palo Alto, Fortinet, Check Point, and F5.
• Experience implementing Zero Trust and segmentation strategies.
• Scripting/automation with Python, Terraform, or Ansible.
• Experience securing AWS and/or Azure.

Responsibilities

• Design and implement scalable security architectures across on-prem and cloud environments.
• Lead segmentation strategies, Zero Trust, and secure network design for HPC and distributed systems.
• Mentor engineers and lead root cause analysis for security incidents.
• Develop automation for security provisioning and lifecycle management using IaC tools.
• Oversee vulnerability assessments, remediation, and governance activities.

Skills

Network security

Security architecture

Automation

Python

Terraform

Ansible

Zero Trust

Incident response

Tools

Palo Alto

Fortinet

Check Point

F5

AlgoSec

Tufin

Jenkins

Git

AWS

Azure

Job description

GTN Technical Staffing is seeking a Senior Network Security Engineer to lead the design, implementation, and optimization of a hyperscale network security environment. This role combines deep technical expertise with leadership responsibilities, driving security architecture, incident response, and automation initiatives across a complex, high-availability infrastructure.

You will play a key role in securing distributed HPC and cloud environments, partnering closely with network engineering,