IREG Team lead

About Webbing

Founded in early 2010, Webbing is a global data MVNO that delivers enterprise grade, global connectivity and IoT services across more than 200 countries and 600+ mobile carriers' networks. Webbing's secured network delivers network protection and web content intelligence.

Enterprise customers can manage, monitor, and optimize data usage in real-time with Webbing's powerful software platform. Gain visibility by application type and have the power to white list applications and limit non-business applications with the click of a button, saving money and improving compliance.

Description

• The IREG team owns Webbing’s roaming and service-validation testing. It validates that new roaming relations, sponsor footprints, IMSI/MSISDN ranges, eSIM connectivity, APN/PGW policies, and new products or services work correctly before or during launch.
• IREG coordinates test execution with roaming partners, sponsors, vendors, and internal Webbing teams, records results, and escalates issues that require deeper Core, IP, NEO, VAS, Operations, Product, Analytics, or Development.
• IREG focuses on project and service validation work that is outside routine real-time network monitoring, while still working under the NOC management and request-handling framework.
• Duties and Responsibilities
• On-Going
• End-to-end ownership of internal service-validation and roaming/interworking testing requests assigned to IREG.
• Testing coordination and execution for Direct and Sponsored roaming, including testing with roaming partners and sponsors
• Manage IREG test books and roaming test evidence for relevant test scopes, including IR.24, IR.35, IR.38, IR.32, and IR.25 where applicable.
• Manage the following areas:
• New eSIM order connectivity testing.
• New IMSI sponsor and IMSI range testing.
• New MSISDN range testing.
• Testing for the new Sponsor network combination.
• New product and service testing that requires telecom/service validation.
• Service policy testing for new PGWs and APN policy testing.
• Responsible for service validation for new network services, migrations, new sponsor footprints, GRX/IPX-related validations, and other service-readiness activities.
• Monitor and execute IREG requests and status tracking on the NOC/IREG Monday board for non-customer-specific internal requests.
• Team Development
• Provide technical guidance and mentoring to IREG Engineers.
• Support onboarding and training of new IREG team members.
• Identify technical knowledge gaps and propose training or development activities.
• Promote knowledge sharing within IREG and between IREG and NOC.
• Support the NOC Manager with assessment of team competencies and development requirements.
• Encourage independent problem solving while maintaining appropriate technical and operational controls.
• Promote professional communication and cooperation within a multicultural working environment.

Requirements

• Education

• Higher education in Telecommunications, Electronics, Electrical Engineering, Information Technology, or a related technical field; incomplete higher education may be considered where supported by relevant professional experience.

• Professional Experience

• Minimum 3-5 years of relevant experience in telecommunications, mobile networks, roaming, IREG, NOC, service assurance, or a comparable technical environment.

• Previous experience as an IREG Engineer, Senior NOC Engineer, Roaming Engineer, Service Assurance Engineer, or equivalent role.

• Practical experience with international roaming testing and troubleshooting.

• Previous experience coordinating technical activities, projects, or team workload is strongly preferred.

• Previous Team Lead or mentoring experience is considered an advantage.

• Experience working with international partners, operators, vendors, and technical teams.

• Technical Knowledge

• Strong understanding of GSM / UMTS / LTE / IMS mobile network architecture and international roaming principles.

• Working knowledge of 2G / 3G / 4G and preferably 5G service flows.

• Strong understanding of Voice, SMS, packet data, CAMEL, LTE, and VoLTE roaming.

• Knowledge of MAP, CAP, Diameter, SS7, SIGTRAN, GTP, DNS, and IP networking fundamentals.

• Understanding of HLR/HSS, subscriber provisioning, EPC/mobile core architecture, roaming steering and sponsor-network concepts.

• Ability to analyze signaling traces and identify failures within roaming and service flows.

• Knowledge of GSMA roaming standards, IREG processes, IR.21/IR.85 documentation, and applicable GSMA testing procedures is strongly preferred.

• Experience with IREG testing platforms, network monitoring systems, signaling analysis tools, ticketing systems, reporting platforms, and test-management tools is required or strongly preferred.

• Strong orientation for Automation with focus on the new era of coding using vibe-coding and Agentic AI

• Personal Competencies

• Strong analytical and troubleshooting skills.

• High level of accuracy and responsibility.

• Strong personal drive and willingness for continuous self-development.

• Ability to independently investigate and solve complex technical problems.

• Professional attitude focused on delivering tasks with high quality and within agreed timelines.

• Strong communication and interpersonal skills.

• Ability to cooperate effectively with technical and non-technical stakeholders.

• Ability to provide constructive technical guidance and feedback.

• Ability to work effectively in a multicultural and international environment.

• Customer- and service-oriented mindset with focus on identifying practical solutions.

• Ability to remain organized and maintain priorities when handling multiple simultaneous activities.

• Language Requirements

• Fluent English, both written and spoken.

• Ability to prepare clear technical documentation, reports, instructions, and external technical communication in English.

What we offer

• An exciting and challenging workplace with great skill and knowledge development opportunities.
• The opportunity to join a team of highly professional specialists in an international environment.
• The opportunity for professional development within a reputable international innovative and growing company.
• Salary level: 1600-1800 EUR gross + potential to earn additional for night shifts and public holidays.
• Social benefits
• 200 EURO monthly Wolt food allowance
• Medical insurance
• Free mobile services with Tele2
• Car parking spot
• Team events