Roaming IREG Engineer

Position Overview 1Global is seeking a talented and detail-oriented Roaming IREG Engineer to manage the entire roaming process and procedures. As an IREG Engineer you will be responsible for the technical setup, testing, and maintenance of international roaming and interconnect services. We're looking for a proactive individual with a strong technical foundation, adept at troubleshooting support cases and enhancing operational processes for seamless footprint updates. Key Responsibilities Plan, execute, and document IREG tests (IR.24, IR.35, IR.50, etc.) for voice, SMS, and data services, in line with GSMA standards Set up and verify interconnect links for voice and messaging services with partner operators Monitor roaming service KPIs, troubleshoot issues, and ensure compliance with roaming agreements Configure and test SS7, Diameter, SIP, and related signaling protocols for international connectivity Liaise with foreign operators, roaming hubs, and internal teams during implementation and troubleshooting Maintain up-to-date test results, network configurations, and operational procedures Oversee the footprint management of all 1Global products, working closely with the wholesale and other networks team Requirements Must Have Perform end-to-end roaming testing (voice, SMS, data, CAMEL, VoLTE, 5G roaming) Execute IREG test cases according to GSMA guidelines and bilateral agreements Analyze and troubleshoot roaming issues with signaling traces and logs Work closely with international roaming partners to resolve interconnect problems Manage and update roaming documentation (IR.21) Support new roaming launches (testing and activation of new operators, technologies, and services) Coordinate with internal teams (Core Network, Billing, etc) during testing and troubleshooting Validate TAP files and charging/billing aspects of roaming services Monitor KPIs and performance of roaming services after launch Follow-up and define Quality and Performance indicators for the entire roaming service Close relationship with external partners like carriers, service providers Have successful partnerships with other departments and teams Nice to Have Degree in Telecom Engineering or Computer Science or equivalent experience Knowledge of 3GPP, ETSI, standards and specifications for SIM/eSIM Knowledge and experience with protocols such as MAP, S6a Familiar with an RSP architecture and experience operating it Knowledge in scripting and have basic programming skills Experience with protocol analyzer tools like Wireshark, Astelia, and ability to use them to troubleshoot networks errors/problems for the mentioned protocols Experience with ETSI NFV architecture and solutions Familiar with MVNO/MVNE/MVNA architecture(s) and landscape Benefits Why 1GLOBAL? Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 100% year-on-year under the leadership of successful tech entrepreneurs Major Transaction Exposure: Be in the driver's seat for transactions that will have an impact on the future telco industry Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors, and constantly being exposed to talented and driven individuals Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry 1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally. Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries Non-profit Organizations and Primary and Secondary Education Referrals increase your chances of interviewing at 1GLOBAL by 2x Get notified about new Engineer jobs in Madrid, Community of Madrid, Spain. Madrid, Community of Madrid, Spain 4 months ago Getafe, Community of Madrid, Spain 1 month ago Madrid, Community of Madrid, Spain 1 month ago Madrid, Community of Madrid, Spain 10 months ago Madrid, Community of Madrid, Spain 1 week ago Madrid, Community of Madrid, Spain 1 week ago Getafe, Community of Madrid, Spain 5 days ago H3 #J-18808-Ljbffr