Senior Network Security Engineer

We are hiring a Senior Network Engineer to support and evolve large-scale enterprise and data center network environments with strong expertise in Cisco ACI and Software-Defined Access (SDA).

This is a hands‑on role focused on L3 support, incident resolution, change execution, and ensuring high availability of critical network infrastructure in a 24x7 enterprise environment. You will also serve as an SME for network and security operations, collaborating with cross‑functional teams including NOC, SOC, infrastructure, and vendors.

• Operate and support Cisco ACI (APIC, Spine/Leaf architecture) and Cisco SDA environments
• Provide L3 support for complex network and security incidents
• Configure and manage ACI components: VRFs, BDs, EPGs, Contracts, L3
  
  Out
• Monitor network performance, health, and ensure high availability & stability
• Manage incident, change, and problem management (ITIL-based)
• Support enterprise routing, switching, firewalls, and wireless infrastructure
• Perform RCA, troubleshooting, upgrades, and lifecycle management
• Support DR/BCP activities and maintain network documentation
• Coordinate with vendors for TAC cases, escalations, and deployments

• Strong hands‑on experience in Cisco ACI (Multi-Pod / Multi-Site preferred)
• Experience in Cisco SDA & ISE (NAC, Trust Sec, policy enforcement)
• Strong knowledge of OSPF, EIGRP, BGP routing protocols
• Experience with VXLAN, Cisco Nexus, Catalyst, ISR/ASR platforms
• 10+ years in enterprise network operations / engineering roles
• Experience in 24x7 production support environments
• Strong troubleshooting and incident management skills
  
  Good understanding of ITIL processes

• Bachelor's degree in IT / Computer Science or related field
• CCNP (Mandatory/Preferred) | CCIE (Preferred)
• ITIL certification or strong working knowledge