Ajay Sharma
Team Lead 5G/4G RAN,5G NSA & SA at CEMtics- Claim this Profile
Click to upgrade to our gold package
for the full feature experience.
-
English Native or bilingual proficiency
-
Hindi Native or bilingual proficiency
Topline Score
Bio
Credentials
-
ETCP-IP
Pearson
Experience
-
CEMtics
-
India
-
IT Services and IT Consulting
-
1 - 100 Employee
-
Team Lead 5G/4G RAN,5G NSA & SA
-
Nov 2017 - Present
Handling System Support requests from Global Customers and on call technical support (S/W up gradation, NE abnormality, integration and troubleshooting etc. for LTE/NR Network. Responsible for handling second level of escalation, Providing RCAs. Working on Nokia latest Air scale system module (ASIA) and latest software version SBTS20C. Deploying gNodeB, e-NodeB and working on SRAN Configuration. Provided Support while Deploying around 1000 gNB in TMO network. Good Understanding of 3GPP Based LTE Architecture & Interfaces & Call Flows for X2, S1 and Handover Scenarios. LTE Information Blocks MIB & SIBs & Scheduling for Network Access, Cell Access, Cells Selection/Re-selection. Analyze various performance related degradation issues in network. e.g Cell availability, Handover Issue, paging issue, RRC Attempts degraded related issues. Protocols and their sub -component knowledge like NAS-REG, NAS-EMM, NAS-ESM, RRC-CSP, RRC-CEP, RRC-LLC, RRC-SIB, RRC-CTRL, LL1, ML1 and their role. Good understanding of RRC protocols as per 3GPP specifications(36.331). Show less
-
-
-
Ericsson
-
Sweden
-
Telecommunications
-
700 & Above Employee
-
Senior Engineer
-
Jun 2015 - Nov 2017
providing L2 technical support for two of the UKs largest LTE networks under MBNL (EE & 3UK) catering to over 15 million customers. •Managing highly diverse LTE networks comprising of Huawei/Samsung/Nokia eNodeBs, Juniper & Mitel IP Security Gateways, DHCP & PKI Servers. • Analyse various performance related degradation issues in network. e.g. Handover Issue, paging Issue, RRC Attempts degraded, ERAB setup success rate degraded, X2 related issues. •eNB Handovers & performance troubleshooting such as X2, S1, ERAB accessibility, Call Setup Success Rate(CSSR) etc. •Stoke IPsec SGW Daily Health Checks & Backups Analysis, performing IMC & GLC Switchover to troubleshoot OSPF Loss Issue, Tunnel Deletion/Creation for eNB, configuration analysis in all Local, and RAN & EPC Context. •Technically Sounds on LTE Architecture, Protocols, Call set up and Call Processing Scenarios (MO/MT), Attach & Detach Procedures, Handovers. •RRC Procedures: System Information Acquisition Procedure, Connection Control. •NAS & AS Messages Procedures & signalling in both EMM and ESM. •AS Messages RRC, PDCP, RLC, MAC, Physical. •RRC Connection & Mobility Management Procedures Dealing with Broadcast of Information (System Information Blocks [SIBs]), Cell Update Scenarios, Reception of Paging Messages, Establishment, Maintenance & Release of RRC Connection and Many Other Important Procedures Which are Dealt in Both the Idle and Connected Mode of the UE •Doing various audit in network like Software audit/LTE parameters audit to maintain the track. •Driving proactive network audits & corrections. •Risk identification, reporting & driving permanent fixes. Show less
-
-
-
UST
-
United States
-
IT Services and IT Consulting
-
700 & Above Employee
-
Infrastructure Analyst
-
Oct 2014 - May 2015
NOKIA-Global Delivery Centre (GDC), for T-Mobile USA(North, South, West, Central Market) •Handling System Support requests from Global Customers and on call technical support (S/W up gradation, NE abnormality, eNodeB integration etc.) to customer (T-Mobile) for LTE Network. • Exposure towards Accessibility and retainibility counters. • High Level real time case analysis and proper response to customer within timeline. • Prepare and implement MOP (Method of procedure) for every maintenance window on a Live network. • Handling bridges of North American markets (Austin, Louisville, Minneapolis, Chicago ,Atlanta, Texas etc) for different real time technical issues in e-UTRAN. • Integration & Troubleshooting of eNode-B and case handling. • Periodical audits of Radio parameters and correction of inconsistencies. • Support and co-ordinating for VoLTE . Show less
-
-
-
Idea Cellular Ltd
-
India
-
Telecommunications
-
700 & Above Employee
-
Senior Executive
-
Jan 2011 - Oct 2014
RAN configuration Engineer To handle Nokia BSS (BTS, BSC, NODE B and RNC) Equipment installation, commissioning, operations, maintenance and breakdowns of both 2G and 3G networks. RAN configuration Engineer To handle Nokia BSS (BTS, BSC, NODE B and RNC) Equipment installation, commissioning, operations, maintenance and breakdowns of both 2G and 3G networks.
-
-
-
-
Engineer
-
Jul 2008 - Jan 2011
(On Pay role of YanAir Engineers (p) Ltd and Creative Engineers & consultants)Looking after Airtel, BSNL, and UNINOR Projects in Moradabad as a BSS Engineer.
-
-
Engineer
-
Jul 2008 - Jan 2011
(On Pay role of YanAir Engineers (p) Ltd and Creative Engineers & consultants)Looking after Airtel, BSNL, and UNINOR Projects in Moradabad as a BSS Engineer. Taking care of Operation’s, Maintenance and Project Roll outs for Bharti Airtel Project and Uninor (Project Only) in Moradabad. Analysis and execution on Outage Report generated at the NOC (Network Operations Centre) end for reducing the Network Outage/ Network down time. Backhaul Support to Corporate Customers of AES (Airtel Enterprise Services) P2P & P2MP Connectivity with Iwan & Wimax equipments. Show less
-
-
Engineer
-
Jul 2008 - Jan 2011
(On Pay role of YanAir Engineers (p) Ltd and Creative Engineers & consultants)Looking after Airtel, BSNL, and UNINOR Projects in Moradabad as a BSS Engineer.
-
-
Education
-
2004 - 2008
B.R.C.M.College of Engg. & Technology, Bahal,Distt. Bhiwani
BTECH, Telecommunications Engineering -
vaish senior secondary school
Bachelor of Engineering (B.E.), Electronics and Communications Engineering
Community
