Prashant Mishra

About Prashant Mishra

I am a Network Security & Cloud Networking Engineer with 3.6+ years of hands-on experience working across enterprise firewalls,SD-WAN technologies, hybrid cloud environments (AWS & Azure), large-scale switching,and secure VPN architectures. I specialize in designing, implementing, and troubleshooting secure and scalable network infrastructures for modern, distributed environments.My experience spans multi-vendorfirewalls (FortiGate, Palo Alto, SonicWall, Sophos, CATO), enterprise wireless & switching, Cisco SD-WAN (Viptela), and cloud networking across AWS VPC/ VPN and Azure Virtual Networks. I\'ve deployed 100+ firewalls from scratch to production, architected dual-tunnel AWS IPsec VPNs, managed 150+ VLANs, and supported end-to-end connectivity for business-critical workloads.I bring strong L2+ troubleshooting capability, deep understanding of routing/security fundamentals, and real-world experience solving complex network issues involving routing asymmetry, VPN failures, policy conflicts, and cloud integration challenges.What I\'m Good At:Firewall deployment, hardening & policy design (NAT, IPS/IDSSD-WAN policy design, path optimization & centralized WAN controlAWS Hybrid Networking (VPC, VGW/ CGW, ECS awsvpc, NAT Gateway, SGs/ NACLS)• Azure Networking (VNet, VPN Gateway, Azure Firewall, Load Balancing)Enterprise switching (STP/RSTP,VLANs, L2/L3 segmentation)• Monitoring & diagnostics (Wireshark, PRTG, SolarWinds, traceroute analysis)Certifications:AWS Solutions Architect - Associate Fortinet Certified (Operator & Cybersecurity)Cisco Cybersecurity (Network Defense, Threat Management)CCNA | CompTIA Network+Microsoft AZ-700: Azure NetworkEngineer AssociateI\'m passionate about secureconnectivity, cloud-driven architectures,and continuously improving networkreliability and security. Currently seekingL2+ roles where I can contribute to high-impact projects while growing toward Cloud Security & Network Architecture roles.If you\'re building or scaling secure cloud-connected networks, I\'d love to connect Open to roles in Network Security, Firewall Engineering, Cloud Security, and Global Opportunities across Europe, Middle East, UK, Australia, and Asia.

Experience

1. Network Security Engineer

   Tata Consultancy Services

   Nov 2024 — Present · IN

   Configure and maintain Palo Alto, Fortinet, and Cisco ASA firewalls for enterprise clients.Implement and optimize IPsec/SSL VPNs, NAT policies, security rules, and routing configurations.Troubleshoot high-priority network issues, reducing ticket resolution time by 30–40%.Monitor security events using SIEM tools and apply threat prevention measures.Work with global teams to perform controlled changes and maintain high network uptime.

Education

• SHAMBHUNATH INSTITUTE OF ENGG AND TECHNOLOGY , ALLAHABAD

  Bachelor of Technology - BTech, Electronics engineering

  2017 — 2021