Noc Engineer

Tech Mahindra; Hyderabad; On-site; INR 800,000 - 1,100,000; Full time

Job summary

Tech Mahindra is seeking a skilled professional for Packet Core Operation (EPC/IMS/NOC) with 4+ years of experience in Hyderabad. The role focuses on IMS architecture, end-to-end call flows, and deep knowledge of LTE core networks and SIP-based telecom protocols.

You will engage in SIP testing and feature testing across voicemail, chat, and data calls. The candidate will work in a 24/7 rotational shift, WFO in Hyderabad, collaborating with cross-functional teams to ensure robust core network

Qualifications

• Experience with IMS architecture and packet core networks.
• Knowledge of telecom protocols including SIP, DIAMETER, TCP/IP, HTTP.
• Hands-on experience with VoIP, SS7, GSM/GPRS/UMTS call flows.

Responsibilities

• IMS and SIP testing, SIP call flows and CSCF components.
• IMS Registration and end-to-end call flows in IMS/EPC environments.
• Exposure to VOLTE, CSFB, TAS, BGW, MGW, HSS, MME, SAEGW, SGW, PGW.
• Feature testing such as voicemail, chat, SMS optimization and SIP recording.
• Work in a 24/7 rotational shift schedule at Hyderabad.
• Understand and test telecom protocols and network elements.

Job description

Packet Core Operation (EPC/IMS/ NOC) 4+ Years Hyderabad

Job Responsibilities:

• Good exposure in IMS architecture with all the nodes (P-CSCF, I-CSCF, S-CSCF, TAS, HSS) and end to end call flow including IMS Registration.
• Working knowledge on EPC protocols: VOLTE, CSFB, TAS, BGW, MGW, DIAMETER, EPC, LTE, MME, SAEGW, SGW, PGW, DNS, SGSN, GGSN, HSS
• SIP Call processing and SIP Supplementary Services & Telecom Protocols and technologies like SIP, SDP, DIAMETER, TCP/IP, HTTP, MGCP etc.
• Good experience in Packet Core Knowledgeable of telecommunications protocol and networks SS7, GSM (Call Flows/Protocols), GPRS (Call Flows/Protocols), UMTS (Call Flows/Protocols) VoIP
• Experience in Feature testing like: Voice mail, Chat, SMS-opt, SMS- redaction, Sip rec, Minute / Data calls, Sequential / Simultaneous call systems and DTMF.
• IMS and SIP testing, SIP call flows, IMS (including CSCF servers) component testing.

24/7 rotational shift 5 days a week WFO Hyderabad