Suraj Kumar Nayak

Bangalore

Summary

Having good knowledge in deployment of TAS CSCF and SBC nodes in cloud NFV environment and CNF environment. MOP Preparation based on the customer requirement and Executed in between maintenance window. Hands on experience on IVNF and ATCA and CNF nodes. Handling incidents according to SLA as a part of operations work in global operations team and customer trouble tickets. Working knowledge of Telecom Domain, VoIP, SIP, SDP, UDP, RTP, Voice and video Codec, VoIP Security, TCP/IP Networking. Exposure of Linux, Windows environment. Working knowledge on Telephony product like Mavenir UAG, Mavenir IMC/TAS, NOKIA SBC, SONUS SBC, ACME SBC, Cataleya SBC, CFX 5000, Radisys MRF, Italtel, Hookah, IP-PBX and Media gateways. Strong knowledge on SIP registration process and call scenarios like call hold, MoH, Call Forwarding, Call transfer, Call forking, Conference etc. Good knowledge on IMS (IP-Multimedia Subsystem). Having good understanding on IMS architecture, nodes like P-CSCF, S-CSCF, I-CSCF, HSS, BGCF, TAS, MGCF and IMS call flows. Having very good knowledge about Product Deployment, Testing, Application support and Maintenance. Experience in tools like Wireshark and SIPP, and bug reporting tool JIRA, Ticketing tool OCEANE. Worked on different sites as SBC deployment engineer. Communicating with client regarding impact of issue with SLA. Performed AT in front of customer. Quality conscious, good team player, hardworking, enthusiasm is remarkable strengths. Ability to get well with a team. Basic knowledge in Cloud like NFV, Kubernetes

Overview

years of professional experience

Work History

Member of Technical Staff III - Ops

Mavenir Systems Pvt Ltd

02.2021 - 03.2025

Experience in Maintenance work for day to day activities as per customer request, Monitoring the Alarm of IMS Nodes and Root cause analysis for complex problems.
Profound experience of driving technical management experience in application testing, maintenance and support.
Managed upgrade Major/Minor activities in TAS I/S-CSCF for customers like T-Mobile(USA), CSpire(USA), Cellcom(USA), Beeline (Russia) etc.
Having 7+ years of professional experience in Telecom product Deployment, Testing & Support.
Currently part of GPS team (Voice) in Mavenir Systems Pvt Ltd (Bangalore) from Feb 2021 to till date.
Previously worked as NSS engineer in Orange Business Services Pvt Ltd (Gurgaon) from Dec 2019 to Feb 2021.

NSS Engineer

Orange Business Solutions Pvt. Ltd

12.2019 - 02.2021

Major responsibilities handled as a NSS engineer at Orange Business Services.
Worked under the SC Team (for the Standard Customers) team member with online phone Support.
Worked on the team of Voice and VoIP responsible for the resolution of the faults and giving support online or on call if required.
Responsible for OBS Backbone Voice network and L2 support for issues with carrier/customer network which handles by L1 teams.
Checking the status on the routers and troubleshooting different scenarios as per the customer requirement on SIP Platform.
Working on ONE Access and Cisco router at the customer end, troubleshooting on the Voice and Data services running on these devices.
Working on Sonus SBC, PSX and Oracle ACME SBC.
Specialist in Resolving Call connectivity and Voice Quality issues, one way audio, Dead air, High PDD, Faulty Carrier.
Handling the Support for the fixed line Voice services.
Troubleshooting the services which are running on these services, or which are using these services in between for connectivity.
Working on the incidents and Service request of the Customers (Wholesale and Enterprise).
Coordinating with different team to resolve the customer issues like Change management, incident team etc. and to provide the RFO/RCA to the customer.
Working with direct interaction with the customer to understand their issue and resolving their problems.
Testing of new voice and signalling routes, changing the routes regarding subscriber profile.

Senior Software Engineer

Infinite Computer Solution

10.2017 - 09.2019

Analysing SIP (Wireshark) traces for probing and rendering resolution.

Education

B.E -

Sathyabama University

Chennai

01-2015

Skills

Operating System: Linux (RHEL 6 & RHEL 72) and Windows

Protocol: VoIP, SIP, SDP, RTP, TCP/IP Networking, HTTP Voice Codec

Timeline