IPX Network Engineer

Your role

• Design and engineer IP connectivity supporting international mobile and roaming services.
• Define and dimension network interfaces and interconnections with external carriers.
• Support the design and evolution of Network-to-Network Interfaces (NNIs).
• Analyze BGP routing, peering, and end-to-end connectivity between the client and external networks or carriers.
• Assess traffic requirements and capacity needs for interfaces supporting voice, data, and other mobile services.
• Troubleshoot complex connectivity and service issues across IP transport, carrier interconnections, and mobile network domains.
• Analyze network behavior and traffic flows to identify the origin and potential impact of incidents.
• Work closely with Packet Core, roaming, inventory, and operations teams.
• Define technical requirements and provide engineering guidance to implementation and operations teams.
• Support service delivery activities related to new or changed carrier interconnections.
• Contribute to the continuous evolution, resilience, and scalability of the IPX/Roaming network.

Your profile

• Strong knowledge of IP networking, including TCP/IP, routing, and BGP.
• Experience with carrier-grade, service provider, or large-scale telecommunications networks.
• Good understanding of network interconnection and peering concepts.
• Solid network troubleshooting skills, with the ability to analyze connectivity issues end-to-end and identify the affected network or domain.
• Ability to understand network architectures, traffic flows, and dependencies between network components and services.
• Understanding of telecommunications environments and how IP transport supports voice, data, and roaming services.
• Sufficient knowledge of mobile networks and/or Packet Core concepts.
• Ability to translate service requirements into network connectivity and capacity requirements.
• Analytical mindset and ability to work autonomously across complex technical environments involving multiple teams and external carriers.
• Good communication skills and English proficiency.

Nice to have: Experience with mobile Packet Core networks, IPX, international roaming, inter-operator connectivity, NNIs, roaming architectures, GTP, mobile data protocols, international carrier networks, IP transit, peering, capacity planning, traffic engineering, Wireshark, DNS in telecommunications environments, or networking certifications such as CCNA or CCNP.

What you’ll love about working here

• Multicultural and inclusive team environment.
• Supportive atmosphere promoting work-life balance.
• Exciting national and international projects.
• Hybrid work.
• Career growth programs and professional development opportunities.
• Training and certification programs.
• Health and life insurance.
• Referral program with bonuses.
• Great office locations.

About Capgemini

Capgemini is an AI-powered global business and technology transformation partner with nearly 60 years of heritage and 420,000 team members in more than 50 countries. Capgemini Engineering brings together engineers, scientists, and architects to deliver research and development and engineering services across industries.