> Markdown version of [/jobs/ext/4544198-exciting-opportunity-for-network-security-engineer_-san-jose-ca](https://www.wearedevelopers.com/jobs/ext/4544198-exciting-opportunity-for-network-security-engineer_-san-jose-ca). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Exciting Opportunity for Network Security Engineer_ San Jose, CA - **Company:** Noblesoft Technologies - **Location:** San Jose, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Agile Methodology, User Authentication, Border Gateway Protocol, Profiling, Complex Networks, Cyber Security, Dynamic Host Configuration Protocol, Domain Name System Security Extensions, Domain Name System (DNS), Identity and Access Management, Networking Hardware, Intrusion Detection and Prevention, IP Address Management, Virtual Private Networks (VPN), Network Security, Open Shortest Path First (OSPF), PCI Data Security Standards, Software Deployment, Wireless Access Point, Load Balancing, System Availability, Firewalls (Computer Science), Information Technology, Palo Alto Networks, Routing & Switching, 3-tier Architectures, Servicenow - **Published:** November 3, 2026 - **Apply:** https://www.thejobnetwork.com/job/e5ae5591-1e51-4cf5-b746-5705ba770427/exciting-opportunity-for-network-security-engineer-san-jose-ca ## About the Role 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., Experience: 10+ years in Network Security Engineering, with at least 3 years in a Senior or Lead capacity. Education: 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 ## Description 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., 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.