IREG Team Lead

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 - an advantage

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: 3,200-3,600 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