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.