JD :

We are seeking a seasoned Network & Security L3 Engineer to manage and support enterprise-level data center and network infrastructure. The ideal candidate will bring deep expertise in core networking, security frameworks, and advanced troubleshooting in both traditional and software-defined environments. This is a hands-on technical role requiring proactive problem-solving and end-to-end infrastructure management capabilities.

Key Responsibilities :

- Design, implement, and support Data Center Infrastructure Technologies.

- Troubleshoot and resolve complex TCP/IP connectivity issues, including IP addressing and subnetting.

- Perform advanced routing and switching troubleshooting, with in-depth knowledge of L2 Switching, Spanning Tree, PortChannels, and Trunking.

- Configure and maintain IP Routing protocols and ensure high availability and failover mechanisms.

- Implement and manage SDN and SD-WAN solutions, optimizing performance across hybrid and multi-site environments.

- Administer wireless and WAN technologies, ensuring consistent and secure connectivity.

- Monitor, configure, and troubleshoot firewalls, ensuring network security and compliance.

- Collaborate with cross-functional teams for infrastructure upgrades, migrations, and incident resolution.

- Maintain documentation, standard operating procedures, and network diagrams.

- Ensure adherence to security policies, perform regular audits, and manage risk mitigation.

Required Skills and Expertise :

- Strong knowledge of TCP/IP, Subnetting, Routing, and Switching.

- Experience with L2 protocols (STP, RSTP, MSTP) and redundancy mechanisms.

- Expertise in Cisco, Juniper, Fortinet, or equivalent technologies.

- Hands-on with SD-WAN platforms like Cisco Viptela, FortiGate, Velocloud, or similar.

- Familiarity with wireless technologies and WAN optimization.

- Proficiency in managing Firewall & Network Security appliances and policies.

- Analytical mindset with strong troubleshooting skills across network layers.

- Understanding of Data Center Topologies, including Leaf-Spine Architecture, Overlay Networks, and Virtualization.

Preferred Certifications (Optional but Advantageous):

- CCNP / CCIE (Routing & Switching / Security)

- Fortinet NSE4+, Juniper JNCIS, or similar

- Cisco SD-WAN, Aruba, or Palo Alto Networks certifications