Summary
Overview
Work History
Education
Skills
Certification
Timeline
HANDS ON EXPERIENCE
Awards
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Preksha Dodamani

Melbourne,Australia

Summary

CCNP-certified Network Engineer with 9+ years' experience across enterprise networking, telecom (LTE/5G/ORAN), and ICT infrastructure. Skilled in designing, configuring, and maintaining secure LAN/WAN environments with VLANs, VPNs, firewalls, and virtualisation platforms. Strong background in troubleshooting, documentation, and implementing ITIL-aligned network operations. Currently pursuing PCNSA and Security+ certifications to strengthen cybersecurity expertise.

Overview

10
10
years of professional experience
1
1
Certification

Work History

Upskilling

Lumify learn
03.2023 - Current
  • Focused on learning new skills and staying updated with industry changes.
  • PCNSA (Certified Network Security Administrator) PCNSE (Certified Network Security Engineer)
  • Comptia security +(Lumify Learn , Australia)

Telecom Network Engineer

Nokia
08.2021 - 12.2024
  • Planned, configured, and maintained enterprise and 5G lab networks, including VLANs, VPNs, firewalls, and routing protocols.
  • Deployed and upgraded Cisco routers, switches, firewalls, and wireless devices with minimal downtime.
  • Handled firewall rule reviews (Cisco ASA, Palo Alto) and implemented network security policies.
  • Troubleshot latency, packet loss, and routing issues using Wireshark, SolarWinds, and NMS tools.
  • Documented network configurations, SOPs, and maintained accurate topology diagrams.
  • Supported LAN/WAN, remote access VPNs, and wireless services in multi-site environments.

ORAN Network Engineer

Tata Consultancy Services
01.2021 - 07.2021
  • Designed and validated O-RAN components across multi-vendor environments with VLAN/IP configuration.
  • Integrated O-RAN interfaces (F1, E1, O1/O2) using NetConf/YANG and conducted end-to-end testing.
  • Performed packet-level troubleshooting with Wireshark, iPerf, Ping, ensuring compliance with 3GPP standards.
  • Created technical documentation and contributed to lab test plans and SOPs.

Core Network Support Engineer

Larsen and Toubro Technology Services
09.2015 - 12.2020
  • Delivered L2/L3 support for 4G/5G core network nodes (MME, SGW, PGW, AMF, SMF, UPF, PCRF) in multi-vendor environments.
  • Executed ATP/UAT for telecom rollouts across core and access layers, ensuring performance, stability, and compliance.
  • Validated configurations for OSPF, BGP, MPLS, and firewalls across Cisco, Juniper, and vendor-specific platforms.
  • Performed interface, throughput, and failover testing on routers, switches, and telecom gateways.
  • Analyzed mobility/session flows (Attach, Handover, Detach), signaling issues, and call trace logs using Wireshark and iPerf.
  • Utilized SNMP, NMS tools, and OSS platforms for real-time monitoring, KPI tracking, and fault diagnostics.
  • Supported lab staging, field testing, and post-deployment troubleshooting with cross-functional teams.
  • Created detailed test reports, as-built documentation, and configuration packages for customer sign-off.
  • Telstra Network: Sydney 2018-03/2019-03

Education

Bachelor of Technology - Electronics & Communication Engineering

Basaveshwar Engineering College

Skills

  • Test Strategy and Documentation
  • R&D lab Management
  • R&D 5G features Testing
  • Customer support
  • LAN/WAN/VxLAN design
  • Network trouble shooting
  • IP Subnetting and Planning
  • Network Diagram
  • Network security
  • Customer Support
  • Cisco IOS
  • Cisco SD-WAN

Certification

  • Cisco Certified Network Associate (CCNA), CSC014877697
  • Cisco Certified Network Professional enterprise (CCNP), CSC014877697
  • AWS Certified Cloud Practitioner, AWS05079655
  • Professional Diploma in Embedded Systems

Timeline

Upskilling

Lumify learn
03.2023 - Current

Telecom Network Engineer

Nokia
08.2021 - 12.2024

ORAN Network Engineer

Tata Consultancy Services
01.2021 - 07.2021

Core Network Support Engineer

Larsen and Toubro Technology Services
09.2015 - 12.2020

Bachelor of Technology - Electronics & Communication Engineering

Basaveshwar Engineering College

HANDS ON EXPERIENCE

Cisco (Catalyst 2900, 3500, 4900, 6500 etc), Juniper (EX4200, EX4500, EX8200), Quanta ToR, Dell (S3048ON, S4048ON, Z8100), Nokia Switch-Nuage WBX210, EIGRP, BGP, OSPF, QoS/DSCP, DMPVN/ADVPN, HSRP, VRRP, IPSEC/IKE, 802.1x, RADIUS, TACACS+, SSL/TLS, EAP, Juniper SRX5800, Palo Alto 5220, 220, Cisco ASA, Fortinet, nmap, Nessus, Codenomicon, Acunetix, Qualys, hp Gen-6/Gen-9, Dell 330/640, Quanta AirFrame servers, Solaris, RedHat, Fedora Core, Debian, Wind river, RedHat OCP, vmwareESXi, NCIR/NDCS, Linux, ITIL, Vmware, Azure active directory, QXDM, Wireshark, NetAct - NMS integration, Spirent LandSlide, Ixia IxVeriWave - for Performance Testing, Ansible, CI/CD

Awards

Twice awarded 'Nokia Appreciate Excellence' for outstanding contribution & commitment to project success., 

Nominated twice for the prestigious SPOT Award at Nokia Networks and L&T Technology Services for exceptional performance and value    delivery., 

Received 'Moment of Excellence' award for successfully setting up and optimizing LTE Lab infrastructure.,

Recognised for managing end-to-end network operations across multiple critical lab environments including LTE, 5G, and AirPhone R&D labs,   ensuring high availability and seamless performance.

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Preksha Dodamani