Telecom IMS/UDM Integration Engineer (Kubernetes)

Ericsson; Riyad Al Khabra; On-site; SAR 180,000 - 300,000; Full time

Job summary

Ericsson in Saudi Arabia is seeking an Integration Engineer – IMS & UDM to design, integrate, configure, upgrade, and maintain telecom solutions within customer networks. You will engage with customers to understand requirements, resolve technical issues, and coordinate implementation activities.

The role covers planning with HLD/LLD, integrating IMS/UDM with surrounding systems, performing upgrades and migrations, validating licenses and interfaces, and supporting 4G/5G core technologies,

Qualifications

• Bachelor's degree in Telecommunications or related field.
• Proven telecom integration experience, especially IMS/UDM and core networks.
• Strong knowledge of IMS technologies such as CSCF and HSS/HLR.
• Experience with subscriber-data technologies (UDM/UDR/UDSF) and service platforms.
• Willingness to support night/weekend maintenance windows and on-call activities.

Responsibilities

• Engage with customers to understand requirements, resolve issues, present solutions, and coordinate implementation.
• Analyze network architecture, interfaces, capacity, dependencies, and constraints.
• Prepare and execute HLD, LLD, MoP, implementation, testing, upgrade, and rollback plans.
• Integrate and configure IMS and UDM with surrounding systems.
• Perform software upgrades, patches, migrations, and feature activations.
• Verify licenses, subscribers, interfaces, redundancy, alarms, and operational procedures.
• Troubleshoot signaling, configuration, and performance across SIP, Diameter, SS7/SCCP, HTTP/2, REST/SBA, TLS, IP.
• Analyze logs, traces, alarms, and packet captures to determine root causes and corrective actions.
• Support 4G/5G Core, VoLTE, VoNR, VoWiFi, roaming, interworking, and subscriber authentication use cases.
• Work with virtualized and cloud-native environments, including Kubernetes and CNF/VNF.
• Support customer acceptance testing, handover, and production stabilization.

Skills

IMS & UDM integration

HSS/HLR & EPC/5GC

SIP & Diameter

Kubernetes & CNF/VNF

Telecom network architectures

Education

Bachelor's degree in Telecommunications or related field

Tools

Kubernetes

CNF/VNF

Job description

Ericsson in Saudi Arabia is seeking an Integration Engineer – IMS & UDM to design, integrate, configure, upgrade, and maintain telecom solutions within customer networks. You will engage with customers to understand requirements, resolve technical issues, and coordinate implementation activities.

The role covers planning with HLD/LLD, integrating IMS/UDM with surrounding systems, performing upgrades and migrations, validating licenses and interfaces, and supporting 4G/5G core technologies,