Staff Software Engineer - Telco Architecture & Mobility

Walmart de México y Centroamérica; México; On-site; MXN 1,500,000 - 2,200,000; Full time

Job summary

Walmart de México y Centroamérica seeks a Staff Software Engineer, Mobile Network Architecture & Connectivity to define and drive the architectural direction enabling Full Mobile Network Operator capabilities.

You will lead Telco architecture across CRM/BSS, OSS, provisioning, charging, SIM/eSIM, Mobile Core, IMS, and subscriber management, translating business needs into scalable, secure software platforms, with a strong emphasis on automation, observability and vendor collaboration.

Qualifications

• Extensive experience designing and evolving large-scale telecommunications architectures.
• Deep understanding of end-to-end Telco ecosystem (CRM/BSS, OSS, service orchestration, network capabilities).
• Strong background in software engineering, platform engineering, and distributed systems architecture.
• Experience with cloud-native, API-driven, event-driven, service-oriented architectures.

Responsibilities

• Define the target Telco architecture and technical roadmap required to support Full MNO capabilities.
• Provide architectural direction across CRM/BSS, OSS, provisioning, charging, SIM/eSIM, Mobile Core, IMS, subscriber management, policy control, network services, interconnection, and roaming.
• Translate business and telecommunications capabilities into software domains, platform services, system boundaries, APIs, events, integration patterns, and data flows.
• Establish ownership models, systems of record, orchestration responsibilities, and integration boundaries across the Telco technology ecosystem.
• Design architectures that connect Telco platforms with digital products, enterprise systems, cloud services, data platforms, and internal engineering platforms.

Skills

Telco architecture

Software engineering

Distributed systems

Cloud-native design

Observability & SRE

Vendor collaboration

Education

Bachelor's degree in Computer Science or related field

Job description

Walmart de México y Centroamérica seeks a Staff Software Engineer, Mobile Network Architecture & Connectivity to define and drive the architectural direction enabling Full Mobile Network Operator capabilities.

You will lead Telco architecture across CRM/BSS, OSS, provisioning, charging, SIM/eSIM, Mobile Core, IMS, and subscriber management, translating business needs into scalable, secure software platforms, with a strong emphasis on automation, observability and vendor collaboration.