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Manning Integral, an Internationally renowned staffing and managed services organization specializing in providing staffing solutions for leading corporations in AI, IT & Telecoms, Engineering, Digital Media, Automotive and Renewable Energy is seeking a qualified, independent IMS Core Network Consultant or specialized service provider to support an upcoming project. This engagement focuses strictly on achieving key milestones as per the SOW.

Project duration:

5 months

Anticipated Project Start:

15.10.2026

Project Delivery:

Hybrid - Madrid, Spain

Contact for B2B Inquiries

Franci Hernandez: +49 (0) 89 23 88 98 55

Description of Work:

We are urgently seeking a highly qualified candidate with strong, demonstrable experience on Ericsson equipment to join our IMS Core Network Project. The role focuses on supporting Multivendor Interconnection (MVI) activities across three Ericsson-based mobile networks: Orange, KRT, and MásMóvil.

Scope of Work / Responsibilities
- Integration: Interconnection of Ericsson MNPDB nodes (across all 3 networks) with ZTE MGCF nodes (4 sites:



1 testbed + 3 commercial) via the MAP protocol.
- Routing: Configuration of Ericsson CSCF routing to direct a local IMS domain to an external network in Mobile Terminated (MT) scenarios (2 networks).
- Preparation of operational plans, including technical design and development of MOPs (Method of Procedure).
- Execution of live-network operations, including commissioning, BBS, rollback/reversion and troubleshooting, on Ericsson MNPDB and CSCF equipment to complete the MAP interconnection with ZTE nodes and the CSCF routing configuration.

Requeriments / Technical Environment
- Strong and demonstrable hands-on experience with Ericsson Core Network / IMS equipment.
- Experience working with Ericsson MNPDB and IMS CSCF nodes.
- Practical experience in IMS/Core Network integration and configuration.
- Experience performing changes and operations in a live-network environment.
- Experience preparing

📌 IMS Core Network Project (Madrid)
🏢 Manning Global
📍 Madrid