Network Security Engineer

Senior Network Security Engineer

Pay Range: $55hr - $60hr

Job Overview

As a Senior Network Security Engineer, candidates will lead the architecture, implementation, and continuous optimization of our global network security infrastructure.

Candidates 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.

Requirement/Must Have

• 10+ years in Network Security Engineering, with at least 3 years in a Senior or Lead capacity.
• Bachelor’s 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.

Responsibilities

• Design, deploy, and manage Palo Alto Next-Generation Firewalls (NGFW), including GlobalProtect VPN for secure remote access and Threat Prevention profiles.
• Lead the administration of Aruba ClearPass for NAC, profiling, and guest access, ensuring seamless integration with Aruba Wireless and Edgecore switching fabric.
• Architect and maintain Avi Load Balancers (NSX Advanced LB) to ensure high availability, global server load balancing (GSLB), and integrated WAF protection.
• Manage enterprise-scale Route and Switch environments, specifically focusing on Edgecore open networking hardware and Infoblox for DDI (DNS, DHCP, and IPAM).
• Utilize FireMon to automate policy changes, perform risk analysis, and ensure continuous compliance across multi-vendor firewall environments.
• Drive operational excellence by managing lifecycles and incidents within ServiceNow (ITSM), ensuring all changes are documented and meet audit requirements.
• Act as the Tier 3 escalation point for complex network security outages and mentor junior engineers in best practices.

Skills

• Advanced proficiency in Palo Alto Networks (Panorama, WildFire, GlobalProtect).
• Expertise in Aruba ClearPass Policy Manager and 802.1X protocols.
• Strong experience with Avi Networks (NSX ALB) or similar Software-Defined Load Balancers.
• Deep knowledge of BGP, OSPF, and EVPN-VXLAN, with hands-on experience in Edgecore or OCP-compliant hardware.
• Mastery of Infoblox for IP address management and DNS security.
• Experience using FireMon for rule cleanup, policy auditing, and compliance reporting (PCI-DSS, NIST).
• Configuration and tuning of Aruba Wireless controllers and Access Points.
• Strong familiarity with ITSM frameworks (ServiceNow) and Agile methodologies.