Senior PS Core Architect & Change Leader

Ericsson AB; Riyadh; On-site; SAR 350,000 - 650,000; Full time

Job summary

Ericsson AB in Saudi Arabia is seeking a senior Core Network Architect to lead end-to-end design across PS Core, CS Core, and IMS. You will analyze requirements, define architectures, and drive change management during major deployments.

The role requires hands-on experience with MME/EPG/PCC, NFV and cloud-native platforms, and strong leadership for cross-domain coordination and post-implementation reviews.

Qualifications

• 8+ years of experience in telecom Core Networks.
• Strong expertise in PS Core; CS Core & IMS.
• Hands-on with MME, EPG, PCC/PCG, SAPC, SMF/UPF.
• Experience with NFV, cloud-native core solutions.
• Familiar with change management, CAB governance, and handovers.

Responsibilities

• Analyze service requirements, HLDs, LLDs, and Service Design Packages.
• Assess cross-domain impact across CS Core, IMS and PS Core.
• Define the end-to-end implementation architecture and deployment strategy.
• Lead technical risk, impact, rollback, and dependency assessments.
• Define testing, validation, KPI monitoring, and acceptance criteria.
• Review and approve MOPs, scripts, implementation plans, and change packages.
• Act as technical authority during CAB reviews and major implementations.
• Support root cause analysis and post-implementation reviews.
• Drive architectural standards, automation, and continuous improvement initiatives.

Skills

Core Network expertise

PS Core expertise

HLD/LLD analysis

CAB governance

NFV/OpenStack/Kubernetes

Tools

OpenStack

VMware

Kubernetes

Job description

Ericsson AB in Saudi Arabia is seeking a senior Core Network Architect to lead end-to-end design across PS Core, CS Core, and IMS. You will analyze requirements, define architectures, and drive change management during major deployments.

The role requires hands-on experience with MME/EPG/PCC, NFV and cloud-native platforms, and strong leadership for cross-domain coordination and post-implementation reviews.