IMS/VoLTE Core Network Project Lead – Hybrid

Capgemini; Lisboa; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Health and life insurance

Hybrid work

Referral program

Job summary

Capgemini Engineering is seeking a Core Network Customer Technical Project Manager for IMS/VoLTE deployments in a hybrid-work setup. You will lead end-to-end ISBC/SBC deployment, oversee migrations, and drive planning, testing, and governance across cross-functional teams in international environments.

Successful candidates will have hands-on IMS Core and VoLTE expertise, strong knowledge of Diameter/RADIUS, roaming integrations, and a proven ability to coordinate complex deployment activities

Qualifications

• Strong hands-on experience with IMS Core, VoLTE architecture and SIP signaling in telecom interconnect environments.
• Experience with Diameter and RADIUS platforms and roaming integrations.
• Proven track record deploying ISBC/SBC in multi-vendor/multi-operator setups.
• Experience in LAB validations, production deployments, migrations and rollback activities.
• Ability to prepare and review LLDs, MOPs, test plans, and operating procedures.

Responsibilities

• Lead end-to-end deployment and integration of ISBC/ SBC across multi-operator and roaming environments.
• Manage projects involving IMS, VoLTE Core, Diameter/RADIUS platforms, and interconnect gateways.
• Create migration and implementation plans aligned with customer and business requirements.
• Coordinate with engineering teams, vendors, operations, and customer stakeholders.
• Review LLDs, MOPs, rollback plans, test cases, and operations documentation.
• Ensure deployment and migration scenarios are tested in LAB and Production.

Skills

IMS Core

VoLTE architecture

SIP signaling

Diameter

RADIUS

Roaming

Interconnect

Lab validations

Production deployments

Technical documentation

Job description

Capgemini Engineering is seeking a Core Network Customer Technical Project Manager for IMS/VoLTE deployments in a hybrid-work setup. You will lead end-to-end ISBC/SBC deployment, oversee migrations, and drive planning, testing, and governance across cross-functional teams in international environments.

Successful candidates will have hands-on IMS Core and VoLTE expertise, strong knowledge of Diameter/RADIUS, roaming integrations, and a proven ability to coordinate complex deployment activities