Architect, RCS & UCC Core Engineering Section - IMS & RCS Core Engineering Department (RMI Core Network Div)

Solution Architect

IMS & RCS Core Engineering Department is tasked with the end-to-end lifecycle management of the design, architecture, and software.

The Solution Architect will handle solution design, enhancement, new deployment, and troubleshooting. This role focuses on acting as an RCS core solution architect, actively participating in network transformation from VNF to CNF, and managing design, optimization, and implementation of business requirements. The primary work will involve IMS core components such as RCS, UCC, CSCF, TAS, Subscriber database, etc., with a focus on lifecycle management and solution designing.

Minimum Qualifications:

• Graduate in Engineering.
• 8+ years of overall experience in telecom for 4G & 5G networks.
• Hands-on experience with IMS and RCS core network elements.
• Knowledge of OpenStack, Kubernetes, switching network, signaling, telecom standards, and implementations.
• Experience in VoLTE design, call flow, deployment, feature testing, and verification.
• Proficiency in general IP networking/routing, Unix/Linux, IMS solutions, and SIP protocol.
• IMS/VoLTE integration and deployment skills.
• ATP execution experience for IMS systems including CSCF, MGW, MGC, MRF, TAS, EIR, MNP, I-SBC systems.

Preferred Qualifications:

• In-depth knowledge in VoLTE and legacy CS networks.
• Excellent understanding of network E2E QoS enforcement for VoLTE services.
• Understanding of VNF, CNF deployments.
• Strong troubleshooting experience for Diameter/SIP/SS7 protocol messages.
• Analytical and conceptual thinking skills.
• Familiarity with 3GPP specs for IMS use cases.

Languages: English (Overall - 3 - Advanced)