Senior Network Security Architect – Cloud & On‑Prem

Valiant Technologies LLC; Austin (TX); On-site; USD 89,000 - 126,000; Full time

Job summary

Valiant Technologies LLC in Austin, TX seeks a Senior Network Security Engineer to lead the design, implementation, and optimization of enterprise perimeter and infrastructure security across on-premises and multi-cloud environments. The role requires 11+ years in cybersecurity engineering and strong leadership within security projects.

Responsibilities include configuring Palo Alto firewalls, managing WAF/IDS/IPS/VPN/NAC, and automating security operations with Python/PowerShell/Bash.

Qualifications

• 11+ years of dedicated cybersecurity engineering experience.
• Strong enterprise network and firewall security background.
• Bachelor's degree in Cybersecurity, Computer Science, IT, Engineering, or a related field.

Responsibilities

• Design, configure, maintain, and optimize enterprise Palo Alto firewalls.
• Manage perimeter security platforms, WAF, IDS/IPS, VPN, and NAC.
• Implement secure network architectures across on-premises, AWS, and Azure environments.
• Monitor security events, perform threat hunting, and investigate network security incidents.
• Conduct security assessments and ensure compliance with industry standards.
• Automate security operations using Python, PowerShell, or Bash.
• Maintain network diagrams, technical documentation, runbooks, and SOPs.
• Lead cross-functional security projects and mentor junior engineers.
• Participate in maintenance windows, after-hours implementations, and emergency incident response.

Skills

Palo Alto Firewalls

Network Security

Security Technologies

Cloud Security

Automation

Security Frameworks

Technical Leadership

Education

Bachelor's degree in Cybersecurity/CS/IT/Engineering

Job description

Valiant Technologies LLC in Austin, TX seeks a Senior Network Security Engineer to lead the design, implementation, and optimization of enterprise perimeter and infrastructure security across on-premises and multi-cloud environments. The role requires 11+ years in cybersecurity engineering and strong leadership within security projects.

Responsibilities include configuring Palo Alto firewalls, managing WAF/IDS/IPS/VPN/NAC, and automating security operations with Python/PowerShell/Bash.