The Senior Engineer will coordinate and troubleshoot high-level maintenance in Core Network domains, support complex technical issues, perform hardware changes, and conduct root cause analysis.
Join our Team
About the Opportunity
We are looking for a Senior Engineer - IMS 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:
o CS Core Nodes: MSC, MGW, HLR, HSS, STP, SBC
o 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:
o SIP, H.248, SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP, SCCP, Diameter • Deep understanding of:
o Call flows in CS Core
o IMS / VoLTE architecture and operations • Ability to troubleshoot and resolve complex IMS and legacy network issues • Strong analytical and communication skills
Key Qualifications • Education: Bachelor's degree in Electronics and Communication Engineering or related field • Experience: Relevant years in Core Network operations and support, particularly IMS/VoLTE • Relevant certifications in IMS, VoLTE, or Network Operations (optional but preferred)
Why join Ericsson?
At Ericsson, you'll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what's possible. To build solutions never seen before to some of the world's toughest problems. You'll be challenged, but you won't be alone. You'll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply?
Click Here to find all you need to know about what our typical hiring process looks like.
Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: India (IN) || Noida
Req ID: 779888
About the Opportunity
We are looking for a Senior Engineer - IMS 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:
o CS Core Nodes: MSC, MGW, HLR, HSS, STP, SBC
o 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:
o SIP, H.248, SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP, SCCP, Diameter • Deep understanding of:
o Call flows in CS Core
o IMS / VoLTE architecture and operations • Ability to troubleshoot and resolve complex IMS and legacy network issues • Strong analytical and communication skills
Key Qualifications • Education: Bachelor's degree in Electronics and Communication Engineering or related field • Experience: Relevant years in Core Network operations and support, particularly IMS/VoLTE • Relevant certifications in IMS, VoLTE, or Network Operations (optional but preferred)
Why join Ericsson?
At Ericsson, you'll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what's possible. To build solutions never seen before to some of the world's toughest problems. You'll be challenged, but you won't be alone. You'll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply?
Click Here to find all you need to know about what our typical hiring process looks like.
Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: India (IN) || Noida
Req ID: 779888
Top Skills
Bicc
Cap
Cs Core
Diameter
H.248
Ims
Inap
Isup
Map
Sccp
Sigtran
Sip
Ss7
Tcap
Volte
Ericsson Gurugram, Haryana, IND Office
3rd & 4th Floor, Building No. 7A, Phase 3, DLF Cyber City, Sector - 25A , -, Gurugram, Haryana, India, 122002
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