Senior Network Security Engineer
Core
Lead the design, configuration, and optimization of enterprise network security, specifically focusing on Palo Alto Networks firewalls, perimeter defense, and cloud infrastructure security.
Role type
Senior Network Security Engineer (IC)
Builds
Secure enterprise network architectures, firewall rules, and cloud security postures for a major transportation organization.
Domain
Cybersecurity, Network Security, Cloud Security
Required skills
Palo Alto Networks firewall administration, TCP/IP, routing, switching, VPNs, WAN/LAN architectures, IDS/IPS, SIEM, EDR, DLP, CASB, WAF, AWS, Microsoft Azure, Python, PowerShell, Bash, NIST, CIS Controls, PCI-DSS, HIPAA, ISO 27001
Preferred skills
Zero Trust architecture implementation, cloud-native security tools, Security Operations Center (SOC) experience
Technologies
AWS, Azure, Bash, Cloud, Firewall, LAN, Network, PowerShell, Python, Security, TCP/IP, VPN, WAF, Windows
Responsibilities
Lead the design, configuration, rule maintenance, and optimization of enterprise Palo Alto Networks firewalls and related perimeter security platforms. Maintain and support WAF, IDS/IPS, VPN, and NAC technologies. Work with cloud, network, and application teams to implement secure architectures across AWS and Microsoft Azure. Analyze and respond to network security incidents, monitor SIEM events, conduct threat hunting, and perform forensic root-cause investigations. Automate operational security tasks using Python, PowerShell, or Bash scripts. Create and maintain operational runbooks, network diagrams, and standard operating procedures. Guide cross-functional project teams through the system development lifecycle and mentor junior security engineers.
Seniority
Senior, hands-on IC
