Senior Network Security Engineer
Core
Operate, secure, and continuously improve enterprise network security environments by administering NexGen firewalls, managing security policies, and leveraging AI for threat detection and incident response.
Role type
Senior hands-on Network Security Engineer
Builds
Production network security infrastructure, firewall policies, and AI-driven security monitoring systems
Domain
Enterprise Networking / Cybersecurity
Deliverable
production ML models | product features | infrastructure
Required skills
NexGen firewall administration, packet-level troubleshooting, firewall policy management, threat prevention configuration, VPN connectivity management, network segmentation, SIEM log analysis, root-cause investigation, change management, operational documentation
Preferred skills
AI modeling in security contexts, Palo Alto Networks/Checkpoint/Fortinet certifications, cloud network security, SIEM integrations, vulnerability management, EDR/XDR platforms, financial services industry experience, Azure/AWS experience, IaaS automation
Technologies
Palo Alto Networks, Checkpoint, Fortinet, NexGen firewalls, SIEM platforms, AI Operations (AIOps), TCP/IP, DNS, DHCP, TLS, HTTP/S
Responsibilities
Administer and tune NexGen firewall infrastructure and security profiles; Configure and manage remote connectivity operations and authentication flows; Leverage AI to monitor logs, contextualize threats, and prioritize incidents; Troubleshoot network security issues across Layer 3-7; Perform packet captures and traffic analysis; Execute routine maintenance, firmware upgrades, and capacity monitoring; Partner with cross-functional teams to integrate security controls; Maintain operational documentation and audit evidence
Seniority
Senior, hands-on IC