Core Technical Lead

Ericsson AB; Riyadh; On-site; SAR 250,000 - 450,000; Full time

Job summary

Ericsson in Saudi Arabia is seeking a senior solution architect to lead a team delivering a new Request for Change function within Managed Services. You will govern architectures across CS Core, IMS, and PS Core, drive end-to-end design and deployment strategies, and own risk assessments from CAB governance to post-implementation reviews.

The role requires deep telecom core networks experience and strong leadership to enable cross-domain migrations, NFV/cloud-native solutions, and continuous

Qualifications

• 8+ years of experience in telecom core networks.
• Strong expertise in CS Core, IMS and PS Core.
• Hands-on experience with 5G Core SA nodes and related components.
• Experience with NFV, OpenStack, VMware, Kubernetes or cloud-native cores.
• Proven ability to lead architecture and cross-domain change initiatives.

Responsibilities

• Lead a team of solution architects and integrators.
• 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 Networks

CS Core & IMS

PS Core

5G Core SA

NFV/OpenStack

Kubernetes/Cloud-native

Stakeholder leadership

Job description

About 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

• Lead a team of solution architects and integrators.
• 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: CS Core & IMS and good expertise in PS Core.
• Hands on experience on UDC solution/5G Core SA nodes/PGs/HSSs-FE/HLRs-FE/FNRs/MSSs Blade Cluster/MGWs/ STPs/ DSC/IP-STPs/GMSCs/CSCF/MTAS/EME/AFG.
• 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

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.

Primary country and city

Saudi Arabia (SA) || Riyadh