Core Network Customer Technical Project Manager - IMS/VoLTE
Technical project manager at Capgemini Engineering in Lisbon leading end-to-end deployment and integration of telecom core network projects (ISBC, IMS, VoLTE, Diameter/RADIUS) for operator customers — planning migrations, validating designs, and coordinating engineering, vendor, and customer stakeholders through LAB and production rollouts.
- Compensation
- Not disclosed
- Location
- Not listed
- Work setup
- Hybrid
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- Not specified
- Category
- Project management
- Posted
Skills
Must have
- Strong hands-on experience with IMS Core, VoLTE architecture, SIP signaling, and telecom interconnect environments
- Solid expertise in Diameter and RADIUS platforms, roaming integrations, and telecom signaling protocols
- Proven experience deploying and integrating ISBC/SBC solutions in multi-vendor and multi-operator environments
- Strong understanding of telecom core network architecture, roaming services, and interconnect gateways
- Experience managing LAB validations, production deployments, migration execution, and rollback activities
- Skilled in preparing and reviewing technical documentation including LLDs, MOPs, test plans, and operational procedures
- Strong stakeholder management and communication skills, with experience reporting to senior management and customer leadership
- Ability to lead cross-functional technical discussions and coordinate complex deployment activities under tight timelines
- Excellent project coordination, planning, and risk management capabilities
- Comfortable working in international environments and collaborating with remote engineering and operations teams
Full description
Capgemini Engineering
At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.
Your Role
- Lead end-to-end deployment and integration of Interconnect Session Border Controllers (ISBC) across multi-operator and roaming environments
- Manage projects involving IMS, VoLTE Core, Diameter/RADIUS platforms, and interconnect gateways
- Create detailed migration and implementation plans aligned with customer and business requirements
- Coordinate in-depth technical discussions with engineering teams, vendors, operations, and customer stakeholders
- Review and validate Low-Level Designs (LLD), Method of Procedures (MOPs), rollback plans, test cases, and operational documentation
- Ensure all deployment and migration scenarios are fully tested in LAB and Production environments
- Execute migration activities with structured reporting to stakeholders and senior management, including daily and critical hourly updates when required
- Drive project planning activities, milestone tracking, risk management, and deployment governance
- Coordinate with Design, Operations, and Delivery teams to ensure smooth rollout and operational readiness
- Support compliance, audit, and quality assurance processes for telecom deployments and operational activities
Your Profile
- Strong hands-on experience with IMS Core, VoLTE architecture, SIP signaling, and telecom interconnect environments
- Solid expertise in Diameter and RADIUS platforms, roaming integrations, and telecom signaling protocols
- Proven experience deploying and integrating ISBC/SBC solutions in multi-vendor and multi-operator environments
- Strong understanding of telecom core network architecture, roaming services, and interconnect gateways
- Experience managing LAB validations, production deployments, migration execution, and rollback activities
- Skilled in preparing and reviewing technical documentation including LLDs, MOPs, test plans, and operational procedures
- Strong stakeholder management and communication skills, with experience reporting to senior management and customer leadership