Senior Solution Architect - Core Networks

About the role

Capgemini Engineering is expanding its Connectivity & Network Engineering team in Al‑Khobar. As a Senior Solution Architect you will lead the design and delivery of carrier‑grade mobile core networks for mission‑critical private connectivity platforms, covering EPC, 5G Core and IMS domains.

Key responsibilities

• Define and own end‑to‑end core network architecture strategies, including capacity planning, redundancy and geo‑resilience.
• Lead multi‑vendor integration across RAN, transport, OSS, MCX and security domains, ensuring seamless interoperability.
• Produce high‑quality High Level Design (HLD) and Low Level Design (LLD) documentation, runbooks and technical reference architectures.
• Act as the principal technical authority for EPC, 5G Core and IMS, translating SLA requirements into robust solutions.
• Manage vendor relationships, evaluate capabilities and influence roadmaps to align with program objectives.

Required profile

• Extensive experience designing and deploying mobile core networks in carrier or mission‑critical environments.
• Proven ability to lead high‑performing engineering teams and make strategic architectural decisions.
• Strong communication skills to interact with customers, vendors and internal stakeholders.

Required skills

• EPC (Evolved Packet Core)
• 5G Core
• IMS (IP Multimedia Subsystem)
• RAN integration
• OSS and MCX platforms
• Network capacity planning and redundancy design
• Technical documentation (HLD, LLD, runbooks)