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Capgemini · Lisboa

Roaming Operations Engineer L2

LisboaOperations

Listed on Capgemini’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there.

Apply on Capgemini’s careers site →

Job description

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 Analyze and resolve complex incidents escalated by the L1 team.Perform advanced troubleshooting of international roaming platforms and services.Conduct Root Cause Analysis (RCA) and define corrective and preventive actions.Coordinate incident resolution with international operators, suppliers, and equipment vendors.Provide technical leadership during high-impact situations and critical incidents.Support and validate change implementations, planned works, and maintenance activities.Produce technical documentation, operational procedures, and post-incident reports.Support the training and technical development of L1 teams.Identify automation and operational optimization opportunities.Participate in technology evolution and operational transformation projects.YOUR PROFILE Must

HaveBasic understanding of International Roaming concepts (Home Network, Visited Network, roaming subscriber flows).Experience in telecommunications operations, support, or network monitoring.Fundamental knowledge of Mobile Core networks (HLR, HSS, IMS concepts).Basic understanding of LTE and VoLTE services.Familiarity with signaling protocols:SS7DiameterSIPBasic troubleshooting and incident analysis skills.Experience using monitoring and ticketing tools.Basic IP networking knowledge:IP addressingDNSTCP/UDPAbility to communicate effectively in

English and Spanish in a technical environment.Strong analytical and problem-solving skills.Availability to work in a 24/7 shift environment and/or provide on-call support when required.

Nice to HaveKnowledge of: VoWiFi Roaming5G RoamingIPX networksExperience with roaming interworking and interoperability between operators.Familiarity with:STPDRA/DRSSBCRoaming HubsSS7 and Diameter FirewallsSecurity Gateways (SeGW)Exposure to subscriber databases and authentication platforms:UDMUDREIRAAALDAPExperience with: Critical incident managementRoot Cause Analysis (RCA)Change management processesKPI and SLA monitoringKnowledge of automation and operational improvement practices.Experience working with international operators, vendors, and equipment suppliers.

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. Apply now!

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