Publication date : Aug 06, 2026, 12:00AM
Contract duration :
Orange Business is here
About us
Join us at Orange Business
We are a network and digital integrator that understands the entire value chain of the digital world, freeing our customers to focus on the strategic initiatives that shape their business.
Every day, you will collaborate with a team dedicated to providing consistent, sustainable global solutions, no matter where our customers operate. With over 30,000 employees across Asia, the Americas, Africa, and Europe, we offer a dynamic workplace to develop and perfect your skills in a field filled with exciting challenges and opportunities.
About the role
The Mobile & Roaming Operations Engineer is responsible for monitoring, troubleshooting, and resolving signaling and roaming issues across SS7 and LTE/Diameter networks.
The role involves analyzing incidents from global customers, investigating SMS and roaming signaling flows, and ensuring network stability through proactive monitoring and collaboration with internal technical teams and international partners.




Incident Management & Operations
Manage incoming incidents and email requests from global customers and partners.
Identify, analyze, and resolve Critical, Medium, and Low priority incidents related to signaling and roaming services.
Define escalation procedures and traffic overflow strategies during major outages.
Monitor roaming traffic and proactively detect potential service issues.
SS7 Signaling Operations
Identify and troubleshoot SS7-related cases such as:
SMS issues
Link failures
SAI/UL signaling issues
Investigate signaling traffic transiting through the STP.
Analyze complex SS7 traces including:
SMS control
Steering
SMS roaming information
Understand and troubleshoot SS7 call flows related to network attachment processes.
Manage GT-based routing and GT overflow scenarios.
Monitor SMS services including A2P and P2P traffic and detect problematic destinations or routes.
LTE / Diameter Signal

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