Nirant Hathi
Summary
A highly experienced and innovative professional in IMS/SDM/CORE/IOT Network Operations, Optimization, and Planning. Possesses extensive expertise in managing end-to-end core network domains, troubleshooting complex network issues, and leading major outage resolutions. Seeking to leverage a strong background in telecommunications and a passion for technology to contribute to a challenging and creative environment.
Lead Assistant with talent supporting senior managers and upper management in decision making and improved productivity. Manage administrative and clerical functions, scheduling, logistics, meetings and provide follow-up on important projects and initiatives. Strong organizational and communication skills with attention to detail and accuracy.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Senior Lead Assistant
Infosys Pvt Ltd
10.2023 - Current
- Manages end-to-end Core Network domains, including MME, CMG, HLR/HSS, NDS (UDM), DRA, STP, AAA, DNS, and SMSC.
- Acts as a Subject Matter Expert (SME) for core network nodes, responsible for implementation, testing, optimization, performance, KPI analysis, and major outage handling for IoT devices.
- Performs end-to-end trace analysis for Packet Core flows and surrounding network domains (Core, BSS, WDH) to identify, troubleshoot, and resolve issues.
- Handles emergency incidents and major outages with root-cause analysis, quick restoration, and preventive solutions.
- Coordinates with cross-functional teams for seamless service delivery, upgrades, and change management.
- Key Contributions:
- Successfully delivered multiple core node implementations and upgrades with zero downtime.
- Designed and executed complex troubleshooting strategies, reducing outage resolution time by 30%.
- Client: Nokia (Core Network Project)
IMS/SDM/CORE Network Operation, Optimization and Planning Expert
Vodafone Idea Ltd
01.2020 - Current
- Manages daily O&M of OPENSTACK CLOUD supporting VoLTE applications, including scale-out and scale-in activities.
- Responsible for the operation and maintenance of SDM nodes such as R-DSA, BE-DSA, PGW, PGD, NT-HLR, HSS, One EIR, ADM, and One-NDS.
- Handles customer-related issues in VoLTE products (VoLTE to VoLTE, VoLTE to CS, CS to VoLTE) and performs troubleshooting via Wireshark traces and configuration analysis.
- Monitors daily KPIs and conducts network optimization.
- Leads major upgrades and hardware/software expansions.
Core Network Operation and Optimization Expert
Nokia Networks
01.2008 - 01.2020
- Managed MGCF for break-in and break-out calls, ensuring proper reachability in SBC, NTAS, and MGCF.
- Successfully migrated all DX-200 HLRs to One NDS with zero customer complaints.
- Implemented configuration activities in One NDS, including Triplet implementation and bulk subscriber modifications.
- Handled subscriber management using SOAP/SPML and LDAP protocols.
- Conducted acceptance tests (AT) for new POI connectivity and ensured proper interconnectivity.
- Successfully implemented the first-ever AOIP BSC migration in all of India.
Education
Electronics and Communication
Dharmsinh Desai Institute of Technology (Deemed University)
Skills
- Experienced in 2G/3G/4G Data, NB-IoT IP Data, Home & Roaming Data
- Proficient in policy control via Gx interface, real-time rating via Gy, and offline rating via Ga interface
- Skilled in RADIUS authentication, accounting, and content filtering solutions
Certification
- Infosys Certified Telco Network Design Associate
- Infosys Certified Wireless LTE Specialist
- Infosys Certified Kubernetes Administrator - Associate
- Infosys Certified 5G Technology Manager
- Infosys Certified Telco ServiceNow Consultant
- Infosys Certified Wireless 5G Professional
- Kubernetes - Basics
- Docker Fundamentals
- Generative AI course
- Essentials of Cloud Computing
- CCNP and CCNA
Languages
English
Bilingual or Proficient (C2)
Hindi
Bilingual or Proficient (C2)
Gujarati
Bilingual or Proficient (C2)
Timeline
Senior Lead Assistant
Infosys Pvt Ltd
10.2023 - Current
IMS/SDM/CORE Network Operation, Optimization and Planning Expert
Vodafone Idea Ltd
01.2020 - Current
Core Network Operation and Optimization Expert
Nokia Networks
01.2008 - 01.2020
Electronics and Communication
Dharmsinh Desai Institute of Technology (Deemed University)
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