PS Core Engineer — 5G Ericsson Expert (Riyadh)

SIS Global; Riyadh; On-site; SAR 350,000 - 600,000; Full time

Job summary

SIS Global in Riyadh, Saudi Arabia is seeking an experienced PS Core Engineer for a permanent on-site role. You will own Ericsson PS Core nodes (MME/EPG/PCC/PCG/SMF/UPF/NEF) and drive network optimization, outages, and session handling.

The ideal candidate has 4–8 years in PS/EPC/5G Core with strong Ericsson platform experience, VPN, QoS, and scripting skills. On-site, full-time employment with competitive compensation is offered.

Qualifications

• Bachelor’s degree in a technical discipline as listed above.
• 4–8 years of PS Core/EPC/5G Core experience.
• Strong hands-on Ericsson PS Core platforms knowledge (MME/EPG/PCC/PCG/SMF/UPF/NEF).
• Familiarity with 2G/3G/4G/5G call flows and signaling protocols.
• Proficiency with GTP, Diameter, Radius, HTTP/2, SIP, SCTP.
• Experience with virtualization/containerization (VMware/OpenStack/Kubernetes/Docker).
• Ericsson CLI, ENM, ENIQ, and Wireshark skills.
• Legal work authorization and on-site availability in Riyadh.

Responsibilities

• Monitor Ericsson PS Core nodes including MME, EPG, PCC/PCG, SAPC, SMF/UPF, NEF.
• Manage subscriber sessions, bearer handling, IMSI tracing, and configurations.
• Implement APNs, IMSI ranges, QoS profiles, and PCC policies.
• Support virtualized/cloud-native PS Core deployments across datacenters.
• Perform software upgrades, capacity upgrades, and network optimization.
• Analyze KPIs, troubleshoot performance, ensure high service availability.
• Develop automation scripts in Python, Bash, AWK.
• Maintain runbooks, backups, and technical documentation.

Skills

Ericsson PS Core

Core networks

Python scripting

Bash/AWK

Wireshark

Ericsson CLI/ENM/ENIQ

VMware/OpenStack/Kubernetes/Docker

Education

Bachelor’s degree in Telecommunications Engineering, Electronics Engineering, Computer Engineering or related technical discipline

Tools

VMware

OpenStack

Kubernetes

Docker

Job description

SIS Global in Riyadh, Saudi Arabia is seeking an experienced PS Core Engineer for a permanent on-site role. You will own Ericsson PS Core nodes (MME/EPG/PCC/PCG/SMF/UPF/NEF) and drive network optimization, outages, and session handling.

The ideal candidate has 4–8 years in PS/EPC/5G Core with strong Ericsson platform experience, VPN, QoS, and scripting skills. On-site, full-time employment with competitive compensation is offered.