Ambati Sandeep

Network Engineer with 7+ years of experience in networking, Fortinet firewall management, and SD-WAN deployments. Skilled in designing high-availability architectures, configuring VPNs (Site-to-Site & Remote Access), and troubleshooting complex network issues. Proven ability to reduce downtime, optimize network performance, and support 24x7 operations in multi-vendor environments (Cisco, Fortinet).

IT Support L2 at THINK & LEARN PVT LTD (2021-12 – 2023-11)

• Designed and implemented enterprise LAN/WAN infrastructure, improving network scalability and performance.
• Configured and managed Cisco routers (2900 series) and switches (3750) including VLANs, inter-VLAN routing, and troubleshooting.
• Administered FortiGate Firewalls, including configuration of firewall policies, NAT and security rules.
• Implemented and managed IPSec & SSL VPNs (Site-to-Site and Remote Access) for secure communication between branches and remote users.
• Deployed FortiGate High Availability (HA - Active/Passive) with session synchronization, reducing downtime by 30%.
• Configured SD-WAN with dual ISP links, including SLA-based routing, health checks, and load balancing, improving uptime and link efficiency.
• Performed advanced troubleshooting using CLI tools (diag debug flow, packet sniffer, routing table analysis).
• Monitored network performance using Nagios, ensuring 24x7 availability and proactive issue resolution.
• Conducted root cause analysis (RCA) for recurring network issues and implemented preventive solutions.

System Engineer at SERVICE CARE PVT LTD (2018-06 – 2021-12)

• Managed enterprise LAN/WAN environments and utilized diagnostic tools (ping, traceroute) for rapid troubleshooting.
• Deployed antivirus solutions and enforced corporate IT security best practices.
• Coordinated with vendors to resolve hardware and network issues efficiently.
• Reduced system downtime through proactive monitoring and vendor coordination.

Customer Technical Support at ACCEL FRONTLINE PVT LTD (2015-04 – 2017-03)

• Provided end-to-end hardware, software, and network troubleshooting for diverse user environments.
• Ensured consistent Internet connectivity and managed incident escalations in 24x7 shifts.
• Handled incident escalation and supported 24x7 operations environment.
• Supported multiple users across diverse environments improving service efficiency.

Bachelor of Technology in Electronics & Communication Engineering – Gokaraju Ranga Raju Institute of Engineering & Technology – JNTUH (2010)