IPX Network Engineer

CAPGEMINI ENGINEERING

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities.

Where you can make a difference. Where no two days are the same.

YOUR ROLE

• Design and engineering of 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 our client and external networks/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 the teams responsible for implementation and operations.
• 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/domain.
• Ability to understand network architectures, traffic flows and dependencies between different network components and services.
• Understanding of telecommunications environments and how IP transport supports services such as voice, data and roaming.
• Sufficient knowledge of mobile networks and/or Packet Core concepts to understand their interaction with the IP transport layer.
• Ability to work on engineering and design activities, translating 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

• Hands-on experience with mobile Packet Core networks.
• Previous experience with IPX, international roaming or inter-operator connectivity.
• Experience managing or engineering NNIs with telecom carriers.
• Knowledge of roaming architectures and associated traffic flows.
• Knowledge of GTP and mobile data protocols.
• Experience with international carrier networks, IP transit or Internet/private peering.
• Experience with network capacity planning and traffic engineering.
• Familiarity with packet analysis tools such as Wireshark.
• Knowledge of DNS in telecommunications environments.
• Relevant networking certifications such as CCNA, CCNP or equivalent.

What You’ll Love About Working Here

• Join a multicultural and inclusive team environment.
• Enjoy a supportive atmosphere promoting work-life balance.
• Engage in exciting national and international projects.
• Hybrid work.
• Your career growth is central to our mission. Our array of career growth programs and diverse professionals are crafted to support you in exploring a world of opportunities.
• Training and certifications programs.
• Health and life insurance.
• Referral program with bonuses for talent recommendations.
• Great office locations.

About Capgemini

Capgemini is the business transformation partner for enterprises in the age of AI. We help organizations imagine and build an intelligent, sustainable future, combining AI, technology and human ingenuity to transform how they operate, innovate and grow. With unique end-to-end capabilities spanning strategy, technology, engineering and intelligent operations, we bring together deep industry expertise and market-leading capabilities in AI, cloud and data to turn ambition into measurable business outcomes at scale.

Supported by a robust ecosystem of partners and nearly 60 years of expertise, Capgemini is a responsible and diverse global organization of over 410,000 team members in more than 50 countries.