TL;DR

Mobility & Roaming Specialist: Manage and optimize mobile network mobility functions including Update Location procedures, roaming profiles, and subscriber synchronization across 3G, 4G, and 5G networks with an accent on resilience and multi-vendor roaming architecture. Focus on designing roaming profiles, troubleshooting complex roaming issues, and ensuring seamless mobility at scale.

Company

%hirify_global% is a global data MVNO providing enterprise-grade global connectivity and IoT services across 200+ countries and 600+ mobile carrier networks with a secure network and real-time data management platform.

What you will do

Manage critical mobility functions including Update Location procedures in HLR, HSS, and UDM.
Design and maintain roaming profiles for 3G, 4G, and 5G networks identifying VPLMNs by GTs and MCC/MNC.
Ensure subscriber state synchronization across multiple data centers at scale.
Support VNF recovery and failover to maintain service continuity.
Troubleshoot complex roaming issues in multi-vendor network environments.
Collaborate on interconnect agreements and ensure compliance with industry standards.

Requirements

Strong understanding of mobile core mobility management and Update Location procedures in HLR, HSS, and UDM.
Experience with configuration and maintenance of roaming profiles across 3G, 4G, and 5G.
Knowledge of interconnect agreements and roaming arrangements between operators.
Ability to troubleshoot mobility and roaming issues in complex multi-vendor networks.
Understanding of roaming architecture, signaling, routing, and subscriber data handling.
Knowledge of industry standards for mobile network roaming and subscriber management.

Culture & Benefits

Fully remote work environment.
Opportunities for skill and knowledge development.
Work with a team of highly professional specialists in an international setting.
Professional growth within a reputable, innovative, and growing international company.