Engineer/Senior Engineer-IMS Noida,Uttar Pradesh,India Service Delivery Posted 9 hours ago

Ericsson; Dadri; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Ericsson Noida is looking for an Engineer/Senior Engineer – IMS/CS Core to lead coordination, execution, and troubleshooting of high-level reactive maintenance in Core Network domains. You will support complex technical issues beyond the scope of 1st level Operations, ensuring service continuity and adherence to processes like MSTOP.

You will perform configuration changes, hardware expansions, and troubleshooting for CS Core and IMS Core nodes, conduct RCA, and collaborate with cross-functional

Qualifications

• 5+ years in Core Network operations and IMS/VoLTE.
• Bachelor’s degree in Electronics and Communication Engineering or related field; recognized institutions.
• Certifications in IMS, VoLTE, or Network Operations are optional but preferred.

Responsibilities

• Perform configuration changes, hardware expansions, and troubleshooting for CS Core Nodes: MSC, MGW, HLR, HSS, STP, SBC and IMS Core Nodes: UDM, P-CSCF, I-CSCF, S-CSCF, ATS, MGCF, MRFP, CG, ENUM, DRA, UPG.
• Ensure all actions follow approved and standardized operational processes (MSTOP).
• Conduct RCA and prepare technical reports.
• Collaborate with cross-functional teams to drive issue resolution and network enhancements.
• Maintain documentation of configurations, issues, and resolutions.

Skills

SIP

Diameter

SIGTRAN

TCAP

ISUP

H.248

IMS/VoLTE

Education

Bachelors in Electronics and Communication Engineering

Job description

## Engineer/Senior Engineer-IMSNoida,Uttar Pradesh,IndiaFind out how well you match with this jobJob ID: 793239## Join our Team**About the Opportunity** We are looking for a Engineer/Senior Engineer – IMS/CS Core to join our team and lead the coordination, execution, and troubleshooting of high-level reactive maintenance activities in Core Network domains. You will be responsible for supporting complex technical issues beyond the scope of 1st level Operations, ensuring service continuity and adherence to processes like MSTOP. **What You Will Do*** Perform configuration changes, hardware expansions, and troubleshooting activities for:CS Core Nodes: MSC, MGW, HLR, HSS, STP, SBC,IMS Core Nodes: UDM (CUDB, HSS-FE, HLR-FE), P-CSCF, I-CSCF, S-CSCF, ATS, MGCF, MRFP, CG, ENUM, DRA, UPG.* Ensure all actions follow approved and standardized operational processes (MSTOP)* Conduct RCA (Root Cause Analysis) and prepare technical reports* Collaborate with cross-functional teams to drive issue resolution and network enhancements* Maintain documentation of configurations, issues, and resolutions.**You Will Bring*** Strong knowledge of telecom protocols including:* SIP, H.248, SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP, SCCP, Diameter* Deep understanding of: Call flows in CS Core,IMS / VoLTE architecture and operations* Ability to troubleshoot and resolve complex IMS and legacy network issues.**Key Qualifications*** Education: Bachelor’s degree in Electronics and Communication Engineering or related field.* Experience: Relevant 5+ years in Core Network operations and support, particularly IMS/VoLTE.* Relevant certifications in IMS, VoLTE, or Network Operations (optional but preferred).\"All academic credentials must be from recognized and accredited institutions and are further subject to verification\".