Job Posting: Senior L3 Network Security Engineer
Job Title: Senior L3 Network Security Engineer
Location: Bangalore

About the Role
We are looking for a highly skilled and experienced Senior L3 Network Security Engineer to join our Network Operations & Infrastructure team. This is a senior technical role responsible for serving as the highest level of escalation for complex network and security incidents, driving infrastructure modernization initiatives, and ensuring the stability, performance, and security of enterprise environments.
The ideal candidate will possess deep expertise in Palo Alto Networks, Aruba SD-WAN, Aruba Wireless & ClearPass NAC, and Cisco Enterprise Networking technologies , along with a robust background in troubleshooting, design, implementation, automation, and mentoring.
Key Responsibilities
L3 Incident Management & Technical Leadership
- Act as the final escalation point for critical P1/P2 network and security incidents.
- Perform advanced troubleshooting using packet captures, log analysis, and monitoring platforms.
- Conduct root cause analysis (RCA)



and implement permanent corrective actions.
- Engage with vendor TAC teams (Palo Alto, Aruba/HPE, Cisco) for complex technical issues and upgrades.
- Lead major incident management and disaster recovery efforts.

Palo Alto Network Security
- Design and manage Palo Alto NGFW deployments and HA clusters.
- Administer Panorama for centralized firewall management.
- Configure and optimize:
- App-ID
- User-ID
- Threat Prevention
- URL Filtering
- WildFire
- SSL/TLS Decryption
- Manage GlobalProtect VPN solutions including SAML/MFA integration.
- Design and troubleshoot IPsec VPN connectivity.

Aruba Wireless & ClearPass NAC
- Design and support Aruba Wireless infrastructure including Mobility Controllers, Instant APs, and Aruba Central.
- Engineer enterprise NAC solutions using Aruba ClearPass Policy Manager.
- Implement:
- 802.1X Authentication (EAP-TLS/PEAP)
- MAC Authentication Bypass (MAB)
- D

📌 Senior Network Security Engineer (Bengaluru)
🏢 Lorven Technologies
📍 Bengaluru