VISHNU C
Calicut
Summary
Accomplished Member of Technical Staff at Mavenir Systems, skilled in RAN test lab maintenance and network troubleshooting. Expert in deploying 4G/5G servers, enhancing system performance through effective project management and collaboration. Proficient in Kubernetes management, ensuring seamless operations and robust configurations in dynamic environments.
Overview
10
10
years of professional experience
Work History
Member of Technical Staff II Software QA
Mavenir Systems Pvt Ltd.
Bengaluru
01.2021 - Current
- Configured servers and customized OS installations in RAN lab, connecting to various LET lines.
- Implemented Mavenir 4G/5G servers per test load specifications.
- Maintained Mavenir core network across multiple testing environments.
- Configured networking switches and routers from Cisco, Dell, Huawei, and HP.
- Managed VLANs, routing tasks on devices, and executed troubleshooting procedures.
- Addressed issues by configuring grand master distribution in test lines using PTP-configured switches.
- Oversaw management of Kubernetes clusters, VMs, KVM machines, and OpenStack components within Mavenir networks.
- Developed eNodeB/GNB products with complete LTE/5G NAS/SA setups.
LAB SUPPORT ENGINEER
Nokia Networks india pvt ltd.
BANGALORE
11.2018 - 11.2019
- Executed end-to-end CPRS testing in WCDMA/LTE Small Femto Cell Domain using Spirent Landslide 4G load simulator.
- Conducted E2E network integration, KPI measurements, capacity, and stability testing.
- Performed system upgrades and resiliency testing to ensure network reliability.
- Configured small cell femtos for various test lines, facilitating femto stimulation and protocol testing.
- Configured LTE and WCDMA Flexy BTS and EnodeB for comprehensive femto performance analysis.
- Tested QUALCOMM UE and various handsets for effective femto call performance.
- Oversaw payroll processes for DSP CORPORATE SERV.
Field Maintenance Engineer
Zulu Tele Services Private Limited.
Mohali
10.2017 - 05.2018
- Conducted RF and RFe-1 surveys for microwave systems, enhancing network performance.
- Installed and commissioned NEC Paso microwave link with 1GB capacity.
- Integrated Samsung LTE equipment alongside CISCO and JUNIPER routers to optimize connectivity.
- Executed installation and testing of e-NODE B for Samsung LTE 4G networks.
- Prepared sites for radiation approval and delegated to RF team for drive testing.
- Performed primary drive tests on newly completed sites to assess performance metrics.
- Submitted VSWR, power testing, and measurement reports along with site acceptance testing.
- Led SRAN and CRFS activities, ensuring successful installation of AIRTEL 4G and 2G NOKIA Flexy BTS.
Installation and Commissioning Engineer
Triadss Tech Solutions Pvt Ltd.
Velachery
08.2016 - 09.2017
- Executed installation and commissioning of SAMSUNG E-NodeB and Cisco routers.
- Conducted acceptance testing for newly completed sites to ensure operational readiness.
- Installed and commissioned Traffic Node, NEC Paso link+, and NEO for Microwave Link.
- Performed microwave Line-of-Sight surveys and RFE1 combined surveys.
- Completed drive tests for newly finished sites to validate performance.
- Managed all project activities including BTS swapping and revamp site updates.
- Coordinated with transport teams to facilitate smooth project execution.
Trainee Telecom Engineer
Essjay Ericsson (P) Ltd
Gurgaon
08.2015 - 08.2016
- Executed installation and commissioning of SDH/PDH links in 1+0 and 1+1 configurations.
- Monitored transmission network daily, promptly addressing outages to ensure reliability.
- Managed E1 bypassing, patching, and cross-connection tasks to optimize performance.
- Coordinated with Reliance Network NOC teams to resolve network connectivity issues.
- Handled alarms for BTS and SMPS systems, ensuring timely patching and clearance.
- Maintained strong relationships with customers through regular site status reporting.
- Worked with various equipment including CIENA, NORTEL, CISCO, HUAWEI, and ALCATEL LUCENT.
- Oversaw maintenance of Reliance backbone networks, including DWDM and NLD fiber.
Education
ENGINEERING DIPLOMA - ELECTRONICS
JDT ISLAM POLY TECHNIC COLLEGE
01.2015
HIGHER SECONDARY -
Pavandoor H S S
01.2012
SSLC -
Pavandoor H S S
01.2010
Skills
- RAN test lab maintenance
- OS configuration
- Server deployment
- Qualcomm QXDM, QCAT, and XCAL
- Accuair XCAL and XCAP
- Network troubleshooting and configuration
- Wireshark expertise
- Automation scripting tools
- Keysight signal analyser and oscilloscope
- Kubernetes management
- Viavi TM500 LTE-C and 5G NR
- Keysight 5G-Prisma USIM analyzer
- Spirent Canlex, SNE, and VR5 Channel Emulator
- UE shield box and Simonov’s UE simulator
- Software diagnosis
- Technical documentation
- Project management and team collaboration
Hobbies and Interests
- Playing football
- Internet surfing
- Travelling
- Reading
- Riding
Disclaimer
I hereby declare that all the above information is correct to the best of my knowledge and belief.
Languages
- English
- Hindi
- Malayalam
- Tamil
Personal Information
- Passport Number: R1375901
- Date of Birth: 05/27/95
- Nationality: Indian
- Marital Status: Married
Accomplishments
- Spotlight Award for RAN lab support and maintainance.
Timeline
Member of Technical Staff II Software QA
Mavenir Systems Pvt Ltd.
01.2021 - Current
LAB SUPPORT ENGINEER
Nokia Networks india pvt ltd.
11.2018 - 11.2019
Field Maintenance Engineer
Zulu Tele Services Private Limited.
10.2017 - 05.2018
Installation and Commissioning Engineer
Triadss Tech Solutions Pvt Ltd.
08.2016 - 09.2017
Trainee Telecom Engineer
Essjay Ericsson (P) Ltd
08.2015 - 08.2016
ENGINEERING DIPLOMA - ELECTRONICS
JDT ISLAM POLY TECHNIC COLLEGE
HIGHER SECONDARY -
Pavandoor H S S
SSLC -
Pavandoor H S S
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