Manning General, 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.

5 months

Anticipated Project Start:

15.10.2026

Project Delivery:

Hybrid - Madrid, Spain

Contact for B2B Inquiries

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 and executing MOPs / Method of Procedure.

Experience with network commissioning, BBS, rollback and troubleshooting.

Ability to work during scheduled maintenance windows.

Equipment in scope:

MNPDB nodes across all 3 networks

Required fluent English and Spanish language.

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