PS Core SME

Ericsson; 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

Join our TeamAbout this opportunity:We are building a new “Request for Change” function within Managed Services to drive technical governance, solution design, and change architecture across the Core Network domains.What you will do: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.The skills you bring:8+ years’ experience in telecom Core Networks.Strong expertise in: PS Core and good expertise in CS Core & IMS.Hands on experience on MME, EPG, PCC/PCG, SAPC, SMF/UPF, NEF ,ESOA, iDNS.Experience with HLD/LLD analysis, impact analysis, migrations, upgrades, and network transformations.Experience working with change management, CAB governance, and operational handovers.Strong stakeholder management and technical leadership skills.Experience with NFV, OpenStack, VMware, Kubernetes, or cloud-native Core solutions.Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.Primary country and city: Saudi Arabia (SA) || RiyadhReq ID: 793514