Saasvaap - Lead Network Engineer

Role : Lead Engineer - Networks (IT Infrastructure) Location : Chennai (Work from Office) Shift Timing : 9 : 30 AM - 6 : 30 PM IST Role Overview : We are seeking an experienced Lead Engineer - Networks with strong expertise in enterprise-class networking, security, and IT infrastructure operations. The role involves managing, implementing, and supporting large-scale network environments, including Global WANs, Data Centers, Cloud Networking, and Security Infrastructure. The ideal candidate will be a subject matter expert (SME) in multiple networking technologies, capable of driving high availability, scalability, and security across a global IT environment. Key Responsibilities : - Provide production and technical support for networking services in a large-scale enterprise environment (30,000+ employees, 100+ global sites). - Manage and support Data Center and LAN/WAN infrastructures, including Spine-Leaf topology deployments. - Act as SME for WAN, LAN, Data Center, VPN, and Client Connectivity services. - Implement, manage, and troubleshoot Enterprise-class Data Centers and Global WAN infrastructures using technologies such as MPLS, ATT Anira/AVPN, IP-Sec VPN, IZO, etc. - Configure, manage, and troubleshoot Meraki, Arista, Aruba, and Cisco switches and HPE Aruba Wireless Infrastructure (mandatory). - Manage Layer 7 Firewalls (Palo Alto, Checkpoint), FortiGate Firewalls, and SSL VPN platforms (Ivanti / Pulse Secure). - Strong hands-on experience with Zscaler (ZIA & ZPA) in large environments. - Support WAN-Optimizers, Packet Shapers, and Load Balancers (F5 LTM, GTM, APM, AFM). - Work on Cisco Nexus (7k, 9k), Cisco 6500s, Cisco ASR/ISR routers, Cisco WAAS, Meraki, and Cisco ACS. - Utilize SolarWinds and other monitoring/diagnostic tools for proactive network management. - Capture, analyze, and interpret network traffic (packet captures) for troubleshooting. - Prepare and maintain high-quality network documentation (Visio). - Participate in new technology initiatives, Proof-of-Concepts, and service development. - Support and manage Cloud Networking (AWS, Azure : VNET, VPN Gateways, VWAN, ExpressRoute, Direct Connect, Subnets, etc. - Collaborate across geographies and time zones, ensuring reliable global network performance. - Contribute to IPAM implementation and management (added advantage). Required Skills & Experience :- 6 - 8 years of experience in Networking Services, Production, and Technical Support. - Proven expertise in Enterprise-scale Network Infrastructure and Global WAN Management. - Strong understanding of Networking & Network Security Technologies. - Hands-on with Meraki, Arista, Aruba, Cisco networking, and HPE Aruba Wireless (mandatory). - Strong firewall expertise : Palo Alto, Checkpoint, FortiGate. - Proficiency in Zscaler (ZIA/ZPA) for large deployments. - Experience with WAN optimizers, load balancers (F5), and monitoring tools (SolarWinds mandatory). - Practical experience in SD-WAN implementation & troubleshooting, especially CATO Networks. - (Knowledge of Versa, Fortinet, Aruba, Velocloud is an advantage. - Cloud networking experience in AWS & Azure is mandatory. - Strong knowledge of ITIL processes and certifications in CCNA/CCNP (at least one domain). - Excellent communication (oral & written), documentation, and interpersonal skills. - Ability to work independently and collaboratively in a global, multi-time-zone environment. - Self-starter with strong learning agility and problem-solving mindset. Education & Certifications :- CCNA/CCNP certification (minimum one domain required). - ITIL certification (mandatory). - Additional cloud/network certifications preferred. (ref:hirist.tech)