Role Overview
As a Senior Network Security Engineer you will lead the architecture implementation and continuous optimization of our global network security infrastructure. You will be responsible for a zero-trust environment ensuring robust perimeter defense with Palo Alto secure access control via Aruba ClearPass and high-performance application delivery with Avi Load Balancers. This role requires a blend of deep technical engineering and strategic policy management using FireMon.
Key Responsibilities
Network Defense: Design deploy and manage Palo Alto Next-Generation Firewalls (NGFW) including GlobalProtect VPN for secure remote access and Threat Prevention profiles.
Identity & Access: Lead the administration of Aruba ClearPass for NAC profiling and guest access ensuring seamless integration with Aruba Wireless and Edgecore switching fabric.
Application Delivery: Architect and maintain Avi Load Balancers (NSX Advanced LB) to ensure high availability global server load balancing (GSLB) and integrated WAF protection.
Core Infrastructure: Manage enterprise-scale Route and Switch environments specifically focusing on Edgecore open networking hardware and Infoblox for DDI (DNS DHCP and IPAM).
Security Policy Management: Utilize FireMon to automate policy changes perform risk analysis and ensure continuous compliance across multi-vendor firewall environments.
ITSM Integration: Drive operational excellence by managing lifecycles and incidents within ServiceNow (ITSM) ensuring all changes are documented and meet audit requirements.
Mentorship: Act as the Tier 3 escalation point for complex network security outages and mentor junior engineers in best practices.
Technical Skills & Qualifications
Core Security & Networking
Firewalls: Advanced proficiency in Palo Alto Networks (Panorama WildFire GlobalProtect).
Authentication: Expertise in Aruba ClearPass Policy Manager and 802.1X protocols.
Load Balancing: Strong experience with Avi Networks (NSX ALB) or similar Software-Defined Load Balancers.
Switching/Routing: Deep knowledge of BGP OSPF and EVPN-VXLAN with hands-on experience in Edgecore or OCP-compliant hardware.
DDI: Mastery of Infoblox for IP address management and DNS security.
Management & Tools
Audit & Compliance: Experience using FireMon for rule cleanup policy auditing and compliance reporting (PCI-DSS NIST).Wireless: Configuration and tuning of Aruba Wireless controllers and Access Points.
Operations: Strong familiarity with ITSM frameworks (ServiceNow) and Agile methodologies.
Education & Experience
Experience: 10 years in Network Security Engineering with at least 3 years in a Senior or Lead capacity.
Education: Bachelors degree in Computer Science Cyber Security or equivalent field. Certifications (Preferred): * PCNSE (Palo Alto Certified Network Security Engineer)
ACCP (Aruba Certified ClearPass Professional)CCNP Security or Routing & Switching
FireMon Core/Policy Manager Certification
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