Puneeth Rajkumar
NOC L1 Core Network Engineer
Bangalore
Summary
I'm a NOC L1 Core Network Engineer with had over half a decade of experience worked at Huawei Technologies(Vodafone Qatar) (2019-2024), I’ve been immersed in the fast-paced telecom world, tackling challenges and contributing to the smooth functioning of telecom networks.
My journey started with a Diploma in Computer Science and Engineering from P.V.P Polytechnic, where I graduated in 2018 with a GPA of 7.6. Since then, I’ve built a strong foundation in network basics and elements, which has been instrumental in my career. I take pride in being a quick learner and someone who adapts seamlessly to new environments. Whether working on technical projects or collaborating with my team, I always strive to bring my best to the table.
Beyond my technical expertise, I enjoy working with Microsoft 365 tools like Excel (including macros and VBA), PowerPoint, Word, and Power BI. I find these tools incredibly useful for solving problems, simplifying processes, and presenting data in ways that make an impact.
Overview
6
6
years of professional experience
6
6
Languages
Work History
NOC L1 Core Network Engineer
Huawei Technologies (Vodafone Qatar)
01.2019 - 12.2024
• Strong knowledge of 2G, 3G, LTE/VoLTE, IMS and 5G network architectures.
• Expertise in core nodes and fault management for Cisco, Alcatel, Huawei, and Nokia nodes, including MSC, MGW, STP, PCRF, and IMS.
• Proficiency in TDM, BICC, SIP, ISUP, and EPC call flows, along with experience in CDR trace analysis.
• Skilled in traffic rerouting through secondary carriers when necessary.
• Hands-on experience with command-line operations for Cisco, Nokia, and Huawei nodes.
• Troubleshooting core KPI and HC reports related to core node parameters.
• Preparing weekly and monthly network performance and ticketing tracker reports for customer meetings.
• In-depth understanding of PS core nodes: PS/EPC(MME, SGW, PGW, SGSN, GGSN, vMME, and vGW) 5GC/NGC(AMF, SMF, UPF, PCF, NRF, AUSF, NSSF, UDM, NEF)
• Supporting planned and emergency change activities, including pre/post-checks and issue resolution.
• Resolving customer complaints for mobile network and PBX/fixed-line services.
• Managing roaming-related issues, including outbound CFR, ShortCall, ASR session creation failures, and LU failures. Identifying carrier/RP issues and coordinating resolution using failure call samples and CDR analysis.
• Developing automation for core node health checkup reports using WeAutomate and Excel VBA macros.
• Preparing special monitoring reports (KPI, HC, Alarm Monitoring) for events and on-demand scenarios.
Education
Diploma - Computer Science And Engineering
P.V.P Polytechnic
Bengaluru, India 04.2001 -
High School - SSLC
New Baldwin High School
Bengaluru, India 04.2001 -
Skills
Windows (Home,7,10 and 11), MS Office proficiency, Office 365 proficiency, Excel (Macros, VBA Scripting), PowerPoint, Power BIMobile core network technologies(2G,3G,LTE,VoLTE, IMS and 5G)
Tools experience
NetAct, FileZilla, MUR, U2000, U2020, Cisco Prime, WinSCP, Putty, MobaXterm, XShell, MRTG, CEM, Alcatel IRIS, Notepad++, Eclipse, Wireshark, SmartCare, OWS, Performance Manager, WeAutomate, UI-Path
Hobbies
- Badminton – Enjoy playing competitively and recreationally, improving agility and strategy.
- Billiards (Snooker & 8-Ball Pool) – Passionate about precision and strategic gameplay.
- Reading Books – Interested in self-improvement, technology, and leadership books.
- Current Affairs & Informational News – Stay updated on global trends, tech advancements, and business insights.
- Chess – Enhancing critical thinking and strategic decision-making skills.
- Exploring AI & Emerging Technologies – Passionate about the latest advancements in artificial intelligence and networking.
- Travel & Cultural Exploration – Enjoy experiencing new cultures, food, and technology-driven cities.
Languages
English
Advanced (C1)
Kannada
Bilingual or Proficient (C2)
Tamil
Bilingual or Proficient (C2)
Hindi
Upper intermediate (B2)
Telugu
Intermediate (B1)
Malayalam
Intermediate (B1)
Timeline
NOC L1 Core Network Engineer
Huawei Technologies (Vodafone Qatar)
01.2019 - 12.2024
Diploma - Computer Science And Engineering
P.V.P Polytechnic
04.2001 -
High School - SSLC
New Baldwin High School
04.2001 -
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