Senior Network Security Architect - Zero Trust & Automation

GTN Technical Staffing; Dallas (TX); In loco; USD 140.000 - 190.000; Tempo pieno

Descrizione del lavoro

GTN Technical Staffing seeks a Senior Network Security Engineer to design, implement, and optimize security across large-scale HPC, cloud, and mission-critical infrastructure. You will work with Network Eng, Platform, Infra, and DevOps teams to strengthen security in distributed, high-availability environments.

The role combines architecture, incident response, automation, and technical leadership, mentoring engineers and guiding security best practices across the team.

Competenze

• 8+ years of experience in network engineering and network security.
• Experience designing and securing complex enterprise or data centre networks.
• Strong knowledge of TCP/IP, routing, switching, load balancing, and OSI fundamentals.
• Deep experience with firewalls, VPNs, proxies, IPsec, MACsec, TLS/HTTPS, DNS, NTP, and AAA.

Mansioni

• Design and implement scalable network security architectures across on‑premises and cloud environments.
• Develop segmentation strategies, Zero Trust controls, and secure network designs for HPC and distributed infrastructure.
• Configure and optimize firewalls, VPNs, proxies, load balancers, and advanced threat protection technologies.
• Support secure connectivity across trusted, untrusted, DMZ, and hybrid cloud environments.

Conoscenze

Network security

Automation

Python scripting

Zero Trust

Incident response

Security architecture

TCP/IP fundamentals

IAM/AAA

Formazione

Bachelor's degree in CS/EE

Strumenti

Palo Alto

Fortinet

Check Point

F5

Descrizione del lavoro

GTN Technical Staffing seeks a Senior Network Security Engineer to design, implement, and optimize security across large-scale HPC, cloud, and mission-critical infrastructure. You will work with Network Eng, Platform, Infra, and DevOps teams to strengthen security in distributed, high-availability environments.

The role combines architecture, incident response, automation, and technical leadership, mentoring engineers and guiding security best practices across the team.