Network Engineer Support Operations

Nitisha Jadhav Network Engineer

GA, USA +1-774-***-**** ***********@*****.*** LinkedIn

SUMMARY

Network Engineer with nearly 5 years managing enterprise networks across on-prem and AWS environments. Skilled in VLANs, BGP, OSPF, IPSec, and Ansible automation. Strong in network monitoring, troubleshooting, and maintaining 99.9% uptime using tools like SolarWinds and Wireshark. Focused on stability, security, and clear documentation to support operations and reduce incident impact. TECHNICAL SKILLS

Networking Protocols: TCP/IP, UDP, ICMP, ARP, OSPF, BGP, RIP, EIGRP, STP, DNS, DHCP, NAT, PAT IP Addressing: IPv4/IPv6, Subnetting, VLSM, Supernetting, CIDR LAN/WAN Technologies: VLANs, Ethernet, MPLS, Metro Ethernet, VPN (IPSec, SSL), SD-WAN Network Devices: Cisco Routers & Switches, Access Points, Firewalls, Load Balancers Security & Access: ACLs, Port Security, MAC Filtering, WPA2/3, RBAC, SSH, MFA Monitoring Tools: Wireshark, Nmap, NetFlow, SNMP, Syslog, SolarWinds, Nagios Simulation Tools: Cisco Packet Tracer, GNS3, EVE-NG Operating Systems: Windows Server (2019/2022), Linux (Ubuntu, CentOS), Cisco IOS Automation & Scripting: Python (Basics), Bash (Intro), Ansible (Foundational), Git (CLI) Cloud & Virtualization: AWS VPC, Azure VNets, Subnets, Security Groups, VMware ESXi, VirtualBox, IaaS, PaaS, SaaS Documentation Tools: Microsoft Visio, Excel, Network Diagrams, Configuration Files, Change Logs Soft Skills: Troubleshooting (OSI Model), Ticketing Systems (ServiceNow, JIRA), Communication, Team Collaboration, Client Support PROFESSIONAL EXPERIENCE

NTT DATA, USA Aug 2024 - Current

Network Engineer

Assisted in configuring VLANs and trunk ports on 200+ Cisco switches to improve device communication and reduce broadcast issues across production and testing environments.

Configured OSPF and BGP routing between AWS and on-premises networks, reducing failover recovery time by 40% and enhancing cross-site connectivity for over 120 production systems.

Used Ansible playbooks to automate weekly configuration backups for 150+ network devices, helping reduce manual errors and speed up issue recovery during outages.

Monitored over 300 network devices using SolarWinds, NetFlow, and SNMP tools, contributing to faster detection of link failures and reduced response times during incidents.

Enforced port security and restricted SSH access on 150+ access switches, blocking unauthorized login attempts and passing 100% of internal security audits across quarterly review cycles.

Updated IP documentation and created 30+ Visio network diagrams, improving asset traceability and reducing task handover issues during shift transitions by 60%.

Collaborated with senior engineers during monthly maintenance windows to implement changes, perform end-to-end connectivity checks, and validate network performance post-deployment with zero SLA violations. Arista Networks, Bangalore Mar 2020 - Jul 2023

NOC Engineer

Monitored 24/7 network operations using SolarWinds and Wireshark, analyzing traffic across 500+ nodes and escalating an average of 15+ critical alerts/month to L2 support—helping sustain 99.9% network uptime across 3 global data centers.

Responded to over 200 incident tickets via ServiceNow and JIRA, achieving 97% SLA adherence by troubleshooting Layer 1–3 issues and coordinating with escalation teams during major outages.

Performed daily health checks on routers, switches, and firewalls, validating log integrity, interface status, and BGP/OSPF stability to prevent cascading failures.

Documented and tracked all alerts, changes, and actions in centralized ticketing systems, ensuring complete audit trails for compliance and root cause analysis.

Executed remote diagnostic steps—port resets, route tracing, interface shutdowns—and verified resolution before closure, reducing re-opened ticket rates by 22%.

Maintained regular backup verification schedules and config snapshots for 80+ devices, enabling swift restoration during outages and minimizing MTTR.

Supported firmware upgrades on 100+ network devices during 20+ maintenance windows, collecting pre/post metrics and reducing incident volume by 35% and resolution time by 25%. EDUCATION

Master of Science in Management Information Systems Dec 2024 University of Illinois Springfield, Springfield, IL, USA Bachelor of Technology in Electronics and Communication Engineering Jun 2021 Osmania University, Hyderabad, India

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