Jim J.

About Jim J.

I am a 5G Network Solution Architect and Validator with 9 years of experience in 4G core and 5 years in 5G network nodes. As an EPC/5GC QA Manager at Jio, I design and validate solutions for 4G/5G network architecture and interworking, covering various scenarios including international roaming and WLAN offload, and various new 5G usecases. I also guide the in-house development of 5GC and EPC nodes, and analyze Jio\'s network performance to improve key indicators. I am proficient in 3GPP specifications, particularly AMF, SMF, UPF, MME, vGW-C, and vGW-U. I am skilled in using Spirent Landslide tool and Wireshark. I additionally streamline test requirements and manage bug reporting and tracking. I have a Bachelor of Technology in Electrical, Electronics and Communications Engineering from National Institute of Technology Calicut. I am passionate about creating innovative and reliable solutions for 5G network evolution and customer satisfaction.

Experience

1. Epc 5gc Qa Manager

   Jio

   Jun 2015 — Present · Mumbai, IN

   Designed architecture and solutions for 5GC and its interworking with EPC and WLAN (ePDG/TWAN) in various scenarios, including non-roaming, national roaming, and international roaming.Guided in-house development of 5GC and EPC nodes.Analyzed Jio\'s network and successfully improved various key performance indicators (KPIs).Guided development and implementation of features like UE Route Selection Policy (URSP), 5G SA international roaming.3GPP standard expert. Solution creator. Focused on AMF, SMF, UPF, MME, vGWC, vGWU.Proficient in Spirent Landslide tool usage.

Education

• University of Maryland

  Master's degree

  2025 — 2027

• National Institute of Technology Calicut

  Bachelor of Technology (B.Tech.)

  2011 — 2015