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About this opportunity:

We are looking for a Technical Sales Support Specialist – COS, UDM and Exposure Bid Office to join the Core Networks team. This is a highly technical role where you will work as a domain SME, collaborating closely with Market Area specialists to support customer RFx and tender responses.You will contribute expertise across IMS, Signalling, CS Core, UDM and Exposure solutions, developing competitive, optimised and cost-effective technical proposals based on customer requirements. The role requires solid Core Network knowledge, solution design capabilities, and an understanding of Virtualisation and Cloud Native technologies.

What you will do:

Take ownership of technical bid responses for assigned Core Network solution areas and ensure high-quality RFP/tender responses within agreed timelines.

Analyse customer RFx requirements, identify technical clarifications and work closely with Market Area solution specialists and SMEs.

Design and propose solutions covering IMS, Signalling, CS Core, UDM and related Core Network products.





Prepare network designs, dimensioning, solution proposals, Bill of Quantities (BoQ), technical compliance statements and product-related documentation.

Capture and document technical assumptions, dependencies and risks within proposed solutions.

Support Bid Managers during the bid acceptance phase with scope definition and effort estimation.

Develop solutions covering technologies such as VoLTE, VoNR, Fixed/FMC, Unified Communications, SIP Interconnect, SIP Trunking, SRVCC, MNP and MVNO.

Support signalling solutions including DSC (DA/DRA/DEA) and SC (BSF/SCP/SEPP).

Propose alternative technical solutions where changes are required based on customer or business needs.

Provide recommendations from TCO/BBTS perspectives to optimise proposed solutions.

Drive knowledge sharing and effective reuse of available technical documentation and solution repositories.

Work with relevant stakeholders to mobi

📌 Technical Sales Specialist COS and UDM (Noida)
🏢 Ericsson
📍 Noida