Join our Team
About this opportunity:
We are looking for a skilled Domain Support Specialist to join our Core Network team in Noida. In this role, you will own and drive configuration activities across critical CORE network nodes — STP, DRA, and SCP — operating in a fast-paced 24×7 environment. You will work on leading platforms from Oracle, Huawei, and Ericsson, supporting 2G, 4G, and 5G network operations. Reporting to the CA Manager, you will play a vital role in ensuring network stability, precision-driven configuration execution, and seamless node integration.
What you will do:
- Execute DRA routing table configurations and Diameter Interface integrations
- Configure routing groups, IP tables, failovers, and peer groups in SCP
- Perform rule-based configurations and traffic routing definitions in Oracle DSR
- Manage NPDB configurations — IMSI, DN, and SPID
- Handle SCCP, Sigtran/ATM/TDM (LSL, HSL) and MTP configuration changes
- Drive SCCP/MTP traffic migrations and new node integrations
- Implement GSM MAP Screening and FLOBR/TOBR-based screening configs
- Support hardware additions, software patches, and feature/service enablement
- Coordinate with Planning, Customer, Back Office, and Project teams
- Ensure strict adherence to operational processes and stakeholder management protocols
The skills you bring:
- Degree in Electronics and Communication Engineering
- 4–8 years of experience in Telecom Core signaling domain
- Strong knowledge of SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP, SCCP, Diameter, CS1+
- Solid expertise in Diameter interfaces — S6a, S6d, S13, SWx, Gx, Gy
- Hands-on experience on Oracle DSR, Oracle Eagle 5 STP, Oracle NPDB
- Technical proficiency on Huawei SPS (STP & DRA) and Ericsson SCP
- Understanding of 2G, 4G, and 5G network architecture and call flows
- Strong coordination, communication, and stakeholder management skills
- Ability to work independently in a 24×7 shift-based environment including night shifts
Why join EricssonAt 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 applyClick 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: 784859
