International Roaming Engineer

Description

• Provide L2 support for international roaming operations, including troubleshooting and resolving roaming-related issues (e.g., SS7, Diameter, GTP, SIP).
• Manage and configure roaming systems, including steering of roaming, IPX/GRX, and signaling traffic.
• Perform roaming tests (e.g., IR.21, IR.35, IR.50, IR.60) and maintain quality assurance programs using tools like SIGOS, RIS, and Total Visibility
• Conduct root cause analysis (RCA) for roaming faults and ensure compliance with SLAs and roaming agreements.
• Liaise with roaming partners, vendors, and internal teams to resolve incidents and coordinate escalations.
• Support change management, capacity planning, and implementation of roaming services.
• Monitor performance KPIs, track operational metrics, and drive continuous improvement initiatives.
• Document incidents, configurations, and resolutions; maintain knowledge base and operational procedures.
• Provide coaching and guidance to junior team members and support knowledge sharing.
  

Required Qualifications

• Bachelors degree in Telecommunications, Electronics, Computer Science, or a related field.
• Minimun 5 years of experience in international roaming, telecom core networks, or related L2 support roles.
• Proficiency with roaming protocols and technologies such as SS7, Diameter, GTP, SIP, LTE, VoLTE, and 2G/3G/4G/5G systems.
• Familiarity with GSMA IREG test cases and roaming quality tools (e.g., SIGOS, RIS)
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and coordination abilities, including stakeholder and partner engagement