Senior Core Network Architect & Change Lead

Ericsson AB; Riyad Al Khabra; On-site; SAR 400,000 - 750,000; Full time

Job summary

Ericsson is building a new Request for Change function within Managed Services. You will lead a team of solution architects and integrators to drive governance, solution design, and change architecture across Core Network domains in Saudi Arabia.

The role requires deep expertise in CS Core, IMS, and PS Core, with hands-on experience in 5G Core SA nodes, HSS/HLR, and related platforms. You will shape end-to-end architectures and oversee CAB processes in a dynamic telecom environment.

Qualifications

• 8+ years of experience in telecom Core Networks.
• Strong expertise in CS Core & IMS; good PS Core knowledge.
• Hands-on experience with UDC, 5G Core SA nodes, HSS/HLR, MGWs and related elements.
• Experience with HLD/LLD analysis, migrations, upgrades, and network transformations.
• Experience with change management, CAB governance, and operational handovers.

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 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

Telecom core networks

CS Core & IMS

Network architecture leadership

Change management

Tools

NFV

OpenStack

VMware

Kubernetes

Job description

Ericsson is building a new Request for Change function within Managed Services. You will lead a team of solution architects and integrators to drive governance, solution design, and change architecture across Core Network domains in Saudi Arabia.

The role requires deep expertise in CS Core, IMS, and PS Core, with hands-on experience in 5G Core SA nodes, HSS/HLR, and related platforms. You will shape end-to-end architectures and oversee CAB processes in a dynamic telecom environment.