We are looking for a highly skilled Senior Network Security Engineer (L3) with deep expertise in enterprise network design, security, and cloud security posture management. The ideal candidate will have strong hands-on experience with Cisco, Arista, and Mellanox environments, along with advanced troubleshooting and implementation capabilities.

Key Responsibilities :

- Design, configure, and implement enterprise-class network solutions using Cisco, Arista, and Mellanox hardware

- Troubleshoot and optimize complex routing protocols including EIGRP, OSPF, and BGP

- Analyze and resolve complex routing table issues and network performance bottlenecks

- Implement and manage EVPN & VXLAN based network architectures

- Manage and optimize Network Security (L3) environments using Palo Alto and Cisco Firewalls

- Perform firewall rule optimization, including rule consolidation, fine-tuning, and periodic audits

- Work on Cloud Security Posture Management (CSPM) tools such as Prisma Cloud (or similar platforms)

- Configure and manage Application Load Balancers (F5 BIG-IP LTM/GTM or Citrix NetScaler)

- Design and implement Wireless LAN (WLAN) solutions using Cisco and Juniper Mist

- Work within an ITIL framework handling Incident, Change, and Problem Management

- Utilize monitoring and troubleshooting tools like Wireshark, Kentik, Prometheus

- Collaborate with cross-functional teams for network optimization and security enhancements

Required Skills & Experience :

- 10+ years of experience in enterprise network design and security

- Expert-level knowledge of dynamic routing protocols (EIGRP, OSPF, BGP)

- Strong hands-on experience with Palo Alto and Cisco Firewalls (L3 level)

- Minimum 3+ years of experience in Prisma Cloud Enterprise or similar CSPM tools

- Experience with EVPN & VXLAN technologies

- Hands-on experience with F5 BIG-IP / Citrix NetScaler load balancers

- Strong understanding of WLAN technologies (Cisco / Juniper Mist)

- Experience working in an ITIL-based environment

- Familiarity with network monitoring tools (Wireshark, Kentik, Prometheus)

Preferred Skills :

- Basic knowledge of Linux OS

- Experience with automation tools like Python or SaltStack

- Exposure to cloud networking and hybrid environments

Education :

- Bachelors degree in Computer Science, Information Technology, or related field (or equivalent experience)

Key Competencies :

- Strong analytical and troubleshooting skills

- Ability to work in high-pressure, enterprise environments

- Excellent communication and stakeholder management

- Proactive approach to network optimization and security