Navin A/L Nagaratnum

• Company Overview: Project: Maxis
• Monitor network performance, troubleshoot issues, and ensure the continuous availability of services
• Perform routine maintenance and upgrades to network infrastructure to enhance performance and reliability
• Respond to network changes and implement corrective actions
• Analyze network traffic and resolve performance issues
• Provide technical support to Maxis's project teams and end-users
• Run and generate traffic simulation on Maxis's network management system
• Do report and submit to reporting team after migration completed by Maxis
• Familiar with Network design such as routers, switches, firewall and VPNs
• Log in into Ericsson's Network Management System and check the MU and SU status
• RUN the RF analyzer for antenna band scan
• Project: Maxis

• Company Overview: Research Assistance UTEM (REMOTE)
• To investigate the possibility of designing an optimum performance THz reflectarray antenna for 6G communication systems
• To develop a model for efficient design of reflectarray antenna based on mathematical modeling by using CST
• To analyze and investigate the performance of the proposed reflectarray antenna based on simulation and mathematical modelling results
• Design and develop two-way antenna system RX and TX
• Research Assistance UTEM (REMOTE)

Troubleshooting RF Circuit Issues investigating and diagnosing complex technical issues related to RF circuits by using function generator, network analyzer and oscilloscope•Debugging and analyzing RF circuitry including amplifiers, filters, mixers, oscillators, and other RF components which span up to 300GHz to isolate and resolve defects or malfunctions•Test, measure and performing various RF tests and measurements, such as impedance matching, power measurements, noise figure measurements, and frequency response analysis, to assess circuit performance and identify deviations from specifications.•Familiar and have a strong knowledge with electronics and semiconductor theory•Ability to test, validate and simulate electrical circuit,exposed with simulationsand able to modified the electrical system•Experience in CST and ADS•Have a very strong fundamental knowledge on CMOS and Analog IC/mixed signal layout, electrical field theories and electronics fundamental•Ability to test, validate and simulate electrical circuit,exposed with simulations and able to modified the electrical system•Experience in CST, ADS,Cadence Virtuosos and experience in Printed Circuit board•Extensive experience in external antenna and RF circuit design, including amplifiers, filters, mixers, oscillators•Proficient in troubleshooting and debugging RF circuits using network analyzers, function generators, and oscilloscopes•Experienced with RF testing equipment: Vector Network Analyzers (VNA), and spectrum analyzers•Proficient in 3D EM simulation software: CST Microwave Studio, ADS, and Cadence Virtuoso•Experience in simulating, validating, and optimizing designs for RF circuits•Strong background in RF measurements, simulations, and system design validatio

• Company Overview: Embedded Test Engineer APX NEXT RADIO
• Execute Test Scenarios with minimum supervision
• Construct and execute systematic test by referring to the test scenarios
• Set up the relevant embedded hardware for testing
• Execute at least 3 test case per day based on requirement
• Adherence to project quality processes as per the business demands
• Documents test result and report defect
• Program the Radio use CPX & Radio Centre software
• Block issue or defect at Jira after defect is found
• Discuss with developer to fix the defect and how to avoid this defect from repeating in future
• Update investigation time, set up time, and execution time for Radio Next testing in Application Life Cycle Management
• Write and design own script for each scenario on expert test
• Work with multiple department such as RND and Software
• Do testing on Radio by adjusting the variable in Agency Group ID and view the result in Command Centre Admin (GPS)
• Testing the radio by using C++ for GPS
• Switch the radio into android mode for Bluetooth, LMR and WIFI testing
• Testing the radio GPS by using LMR, WIFI and hand phone hotspot
• Test radio WIFI connectivity in chamber
• Test the radio GPS accuracy by walking and standing
• Embedded Test Engineer APX NEXT RADIO

• Maintaining functional and efficient radio networks
• Perform an intense Radio Frequency Test on antenna
• Experience handling with Nemo application (Keysight)
• Conducting test activities and make sure radio frequency circuit and system function properly
• Monitoring functionality
• Measuring capacity, coverage, and quality of services
• Setup RF measurement tools and equipment in vehicle to make sure it works
• Drive test measurement on site or BTS coverage and quality (eg.RX_Lev, SQI and RX_Qual for 2G, RSCP and EC/NO for 3G, RSRP & SINR 4G..etc) and verify site or BTS BCCH or SC serving in the right sector
• Observing call events during measurement (drop call, access fail, handover, etc) and notify surrounding RF environment or obstacle on the spot
• Verify site or BTS planned configuration versus actual site configuration (site number, lat long, antenna height, azimuth, tilting, BCCH/SC, PSC, PCI etc)
• Troubleshoot due to cross feeder and tuning
• Log files submission and reporting all finding to RF Engineer or PLO immediately after work done
• Save keeping of the DT tools such as, UEs, scanners, and laptop
• Testing and trouble shooting
• Submit Report on time

• Company Overview: Data Analyst (CELCOM 4G PROJECT)
• Analyst the photos
• Analyst the data in TSSR
• Key in all the data in SDE and send to Ericsson
• Monitor field Team and give instruction (Leader)
• Ensure field team complete the project on Schedule time
• Attend meeting with Ericsson (Client)
• Attend meeting with Project Manager
• Guide technician if he faces any problem
• Reschedule site plan
• Data Analyst (CELCOM 4G PROJECT)

• Monitor DPPM & MCBJ of handlers
• Report if any Jamming
• Troubleshot Rosco SO 1000 AH Machine if Jamming
• Learn the process of Final Test of Semiconductor
• Conducting research to develop new and improved processes for manufacturing
• Estimating production costs
• Meeting with production managers to assess existing processes
• Performing risk assessments
• Performing optimization tests
• Providing the Product Manager with process documents and standard operating procedures