Network Engineer Automation

Leela Surya Sai Kandula Network Engineer

FL, USA +1-321-***-**** *********************@*****.*** LinkedIn SUMMARY

CCNA-Certified Network Engineer with 3+ years of experience in enterprise networking, Cisco infrastructure, and IoT- enabled systems. Proven expertise in VLAN/VPN/NAT configurations, OSPF routing, and network automation, reducing downtime by 40%. Skilled in Cisco routers/switches (CCNA-level), Wireshark analysis, and embedded IoT communication. Seeking to leverage CCNA knowledge and hands-on troubleshooting skills in a Network Engineer role. TECHNICAL SKILLS

Networking: TCP/IP, DHCP, DNS, VLAN, VPN, NAT, OSPF, BGP (CCNA), Cisco IOS, STP, HSRP Cisco Technologies: Routers (ISR 4000), Switches (Catalyst 9000), Firewalls (ASA), ACLs, SDN (conceptual) Certifications: Cisco CCNA (ongoing)

Tools: Wireshark, SolarWinds, Cisco Packet Tracer, GNS3, PRTG IoT/Embedded: Node-MCU, UART/I2C/SPI, sensor networks, real-time alerts Operating Systems: Windows, Linux (basic terminal usage and file system navigation) Scripting: Python (network automation), Bash, SQL

OS: Windows Server, Linux (Ubuntu, CentOS)

PROFESSIONAL EXPERIENCE

Jabil Inc., FL, USA Jan 2025 – Current

Network Engineer

Deployed and optimized 12 VLANs on Cisco Catalyst switches, reducing IP conflicts by 40%.

Resolved packet loss issues using Wireshark and traceroute, cutting troubleshooting time by 25%.

Scripted DHCP scope automation (Python), saving 60 hours/quarter.

Applied NAT/ACL configurations, reducing connection errors by 35%.

Documented device topology, configurations, and port mappings for over 80 switches and routers, accelerating audit response time and easing new technician onboarding by 45%.

HCL Technologies, India Jun 2021 – Jul 2023

Network Engineer

Configured OSPF and EIGRP on Cisco ISR routers for 5 enterprise clients, ensuring 99.9% uptime.

Reduced outages by 32% by resolving broadcast storms and optimizing switch port configurations.

Used ping and ipconfig utilities to identify addressing mismatches, reducing ticket escalations and shortening first-response resolution time to under 30 minutes for daily incidents.

Improved sensor-to-server speed by 50ms using SPI/UART protocols.

Maintained Linux terminal scripts for routing table testing, validating failover behavior during internal drills and improving disaster recovery readiness for client test networks.

HCL Technologies, India Network Engineer Internship Jan 2021 – Jun 2021

Designed IP schemes for lab environments.

Tested ACLs/firewall rules, blocking 80% of malicious traffic.

Assisted in NAT table updates for shared lab routers, facilitating access to cloud-based development platforms and increasing connection reliability by 60% over one quarter.

Used Arduino IDE and Node-MCU boards to build real-time alert systems, enabling successful data capture from motion sensors with under 5% transmission error rate.

Maintained configuration logs and diagrams during infrastructure testing, reducing report preparation time for review sessions from 2 hours to 45 minutes.

EDUCATION & CERTIFICATIONS

Master of Science in Computer Engineering May 2025 Florida Institute of Technology, FL, USA

Cisco CCNA Certification

Bachelor of Technology in Electronics and Communication Engineering Oct 2023 Sathyabama Institute of Science and Technology, India PROJECTS

Enterprise VLAN Implementation (Cisco Packet Tracer)

Designed a CCNA-aligned multi-VLAN network with inter-VLAN routing, reducing broadcast traffic by 30%.

Secured external access using Cisco ACLs/NAT, blocking 80% unauthorized traffic. Smart Mis-fuel Detection System (Arduino)

Integrated IoT sensors with Node-MCU, achieving 95% accuracy in real-time alerts.

Contact this candidate