About Us

1GLOBAL is a technology-driven global mobile communications provider helping enterprises and consumer brands deliver seamless connectivity worldwide. Powered by a best-in-class telecom platform, proprietary eSIM technology, and its own mobile core network across 15 countries, 1GLOBAL operates as a fully regulated telecommunications provider in 43 countries.

Founded in 2022, 1GLOBAL has rapidly become one of Europe's fastest-growing telecom technology companies, connecting more than 80 million people and devices globally. Our customers include leading banks, multinational enterprises, global retailers, travel companies, payment service providers, and digital-first businesses.

Headquartered in the Netherlands, with R&D; hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 550 professionals across 16 countries. With annual revenues exceeding US$200 million and a strong track record of profitability, we continue to invest in innovation, infrastructure, and international expansion as we redefine the future of global mobile connectivity.

About the Team

We are looking for detail-oriented students to support testing activities for our mobile network services. This role is idóneo for candidates interested in telecommunications, mobile technology, or quality assurance who want hands-on exposure to a global MVNE platform.

About the Role

- Perform daily functional tests on mobile devices (calls, SMS, data, voicemail, call forwarding, barring, and related services)
- Execute structured test cases across physical smartphones and SIM/eSIM profiles
- Validate service configurations such as subscription controls and feature provisioning
- Support broader testing activities across the MVNE product suite
- Document test results and report issues clearly to the engineering and product teams
- Help maintain and organize the device testing inventory




- This is a part-time position of 20 hours per week for a duration of 12 months

Requirements

- Student currently based in Madrid (technical or engineering fields preferred)
- Strong attention to detail and reliability in executing repetitive test procedures
- Basic familiarity with smartphones (iOS and Android)
- Good written English and ability to follow structured test instructions
- Interest in telecommunications or mobile technology is a plus

Benefits

Why 1GLOBAL?

- Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 50% 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.

📌 Mobile Network Testing Intern - Part Time (Madrid)
🏢 1GLOBAL
📍 Madrid