Senior Network Security Engineer: Cloud & Perimeter Lead

Quantum Technologies. LLC; Austin (TX); On-site; USD 89,000 - 126,000; Part time

Job summary

Quantum Technologies. LLC seeks a Senior Network Security Engineer in Austin, TX to lead design, implementation, and optimization of enterprise perimeter and cloud security across on-premises and multi-cloud environments.

The role requires 11+ years in cybersecurity, strong firewall and network security expertise, and scripting skills. You will mentor engineers, oversee projects, and ensure compliance across on-prem and AWS/Azure environments.

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.
• Certifications such as PCNSE, CISSP, CCNP Security, GIAC, CEH, or Security+ are preferred.
• SOC experience and Zero Trust security architecture experience are a plus.
• Cloud-native security tools experience is valued.

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

Quantum Technologies. LLC seeks a Senior Network Security Engineer in Austin, TX to lead design, implementation, and optimization of enterprise perimeter and cloud security across on-premises and multi-cloud environments.

The role requires 11+ years in cybersecurity, strong firewall and network security expertise, and scripting skills. You will mentor engineers, oversee projects, and ensure compliance across on-prem and AWS/Azure environments.