Rishi Kumar
Senior Network Engineer | Multi-Vendor Firewalls (Palo Alto, Fortinet, Sophos) | Cisco SD-WAN | Cloud Networking | Threat Detection & Response | CCNA | NSE 1–3 | NDE
- Role
- Senior Network Engineer at Fluentgrid Limited
- Location
- Lucknow, UP, IN
- LinkedIn followers
- 500 followers
About Rishi Kumar
I’m a Network & Security Engineer with strong experience in designing, securing, and optimizing enterprise networks across data centers and cloud environments. I specialize in firewall management, SD-WAN, and threat protection—ensuring high availability, performance, and compliance.At Fluentgrid Limited, I manage and secure a diverse infrastructure that includes Palo Alto, FortiGate, Sophos, and Cisco firewalls, along with Trend Micro DDI/DDAN for advanced threat detection. I also handle Dell VLT-based switching, Cisco routing, and Azure networking, integrating both security and scalability into every deployment.Previously at HCL Infotech, I was part of large-scale R-APDRP smart grid projects for HPSEBL and JBVNL, where I deployed and maintained Cisco 7600 routers, SonicWall firewalls, and core WAN infrastructure supporting state utilities.I’m passionate about modern network architectures, including Cisco SD-WAN, Fortinet SD-WAN, and cloud-native security, continuously evolving toward a zero-trust, automation-driven network ecosystem.
Experience
Senior Network Engineer
Oct 2024 — Present · Lucknow, IN
Lead design, deployment, and optimization of network and security infrastructure across the on-prem data center and client environments.Manage Palo Alto and FortiGate firewalls, handling HA setup, VPNs, security policies, and Threat Prevention for secure connectivity.Administer IPS/IDS systems, Trend Micro DDI/DDAN, and traffic analytics to identify and mitigate advanced threats.Oversee Dell and Cisco switching infrastructure with VLT, VLAN segmentation, and inter-VLAN routing for network efficiency.Collaborate with cloud and system teams to maintain secure hybrid connectivity with Azure and optimize performance.Conduct security audits, rule-base reviews, and incident investigations to ensure compliance and resilience.Mentor junior engineers and assist in network change planning, policy optimization, and architecture documentation.
Education
SHIA P.G. COLLEGE, SITAPUR ROAD
Bachelor's degree, Accounting
2015 — 2017
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