Senior Lead Network Engineer

Job description

• Design, implement, and manage LAN, WAN, WLAN, and Data Centre network environments.
• Configure and maintain routers, switches, firewalls, load balancers, and related network components.
• Monitor network performance and proactively resolve issues to minimize downtime.
• Implement and support network security solutions, including VPNs, firewalls, and IDS/IPS technologies.
• Troubleshoot network issues and ensure high availability and performance.
• Manage IP addressing, subnetting, network segmentation, and routing policies.
• Perform troubleshooting and root cause analysis for network incidents.
• Drive network optimization, capacity planning, and scalability initiatives.
• Collaborate with Infrastructure, Cloud, and DevOps teams on integration projects.
• Maintain accurate network documentation, architecture diagrams, and operational procedures.
• Ensure compliance with security standards, policies, and industry best practices.
   

• Strong understanding of Networking Fundamentals (OSI, TCP/IP, DNS, DHCP).
• Experience with Routing Protocols such as OSPF, BGP, and EIGRP.
• Hands-on expertise in Switching Technologies including VLANs, STP, and Trunking.
• Excellent understanding of Cisco ACI architecture with hands-on experience.    
• Configure, troubleshoot, and maintain Cisco Catalyst, Cisco Nexus, Aruba Switches, Wireless Controllers, and Access Points (APs).
• Hands-on experience with Cisco ISE for Network Access Control (NAC), 802.1X Authentication, TACACS+, RADIUS, Guest Access, Device Profiling, Posture Assessment, and Policy-Based Access Control.
• Hands on experience with IOS/SUP upgradation 5K/7K/9K/4500/6500/ASR/FTD/FMC/SDWAN/ISE/DNAC/Wireless controller
• Experience with designing, deploying, and troubleshooting LAN, WAN, Ether-channel, IP Routing Protocols - (RIP, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP, HSRP.
• Knowledge of WAN technologies, including MPLS and SD-WAN.
• Hands-on experience with VPN technologies (IPSec, SSL VPN).
• Familiarity with network monitoring and management tools such as SolarWinds, Grafana.
• Understanding of Cloud Networking concepts across Azure, AWS or GCP.
• Basic scripting knowledge (Python or PowerShell) is desirable.
   

• Bachelor's degree in computer science, Information Technology, or a related discipline.
• CCNA / CCNP Must
• Firewall Certifications (optional)
• Cloud Certifications (optional)
• CompTIA Network+ (optional)
   

• 10–12 years of experience in Network Engineering or Infrastructure Operations.
• Experience managing enterprise-scale network environments.
• Exposure to 24x7 production support operations is highly preferred.
   

• Strong analytical and troubleshooting skills.
• Excellent communication and stakeholder management abilities.
• Ability to perform effectively in high-pressure environments.
• Strong documentation and process-oriented mindset.

• Strong analytical and problem‑solving mindset with architecture‑level thinking
• Ability to communicate complex technical concepts to technical and non‑technical stakeholders
• Proven leadership during high‑severity incidents and transformation initiatives
• Ability to work independently while influencing cross‑functional teams

• Exposure to automation tools (Ansible, Terraform, Cisco DNA Center) is a plus
• Exposure to DevOps practices.
• Knowledge of Thousand Eyes.
• Experience with virtualization platforms such as VMware or Hyper-V.

• Qualifications: Any degree in IT
• Range of Year Experience-Min Year: 10
• Range of Year Experience-Max Year: 12