Engineer/Senior Engineer-IMS
- LocationNoida,Uttar Pradesh,India
- Work typeOn-site
- Posted2 November 2026
- SourceEricsson's careers page (Eightfold)
Live checkFirst seen 6 days ago; still listed on Ericsson's careers page 2 h ago.
Moves fastWhen Ericsson takes a role down early, it is usually about 4 days after posting. Apply soon.
At a glance
- Experience5+ years
- EducationBachelor's degree
Read from the ad by RoleFinder, with rules and an AI reading; the description is the source.
About the role
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".
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