Device Engineer

1GLOBAL is a technology-driven global mobile communications provider dedicated to empowering enterprises worldwide to unlock the full growth potential of mobile connectivity. With a best-in-class telecom technology platform, a comprehensive suite of globally viable regulatory licenses, and privileged access to the telecom wholesale market, 1GLOBAL is uniquely positioned to deliver seamless compliance and connectivity solutions. Serving the world’s leading banks, corporations, and digital-first businesses—including neo-banks, travel companies, and payment service providers—1GLOBAL connects over 43 million devices globally.

 
With 2024 full-year revenue exceeding US$100 million and in line to exceed US$200 million in FY25, 1GLOBAL is a profitable business generating significant cash flows to fund its ongoing investments in infrastructure, transformation, and growth. 2024 saw major client wins and marked 1GLOBAL’s evolution from a multi-market telecommunication provider to a global technology-driven mobile connectivity powerhouse.

 
Established in 2022 by experienced tech founders and entrepreneurs Hakan Koç and Pyrros Koussios, 1GLOBAL is a European technology leader driving digital transformation in the global telecommunications market. It operates as a fully regulated Mobile Virtual Network Operator (“MVNO”) in ten countries and as a regulated telecommunications operator in an additional 31 countries. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 450 experts across 15 countries.

Position Overview

• You will be part of a young team responsible for the Devices and SIM validation, within the Device & xSIM team. These tests are part of the service quality we provide to our customers. We operate a multi-site platform that follows strict security requirements, delivers services to customers around the world, and manages millions of subscriber profiles used into a multiple device brand. We foster a highly collaborative and diverse environment, value teamwork and autonomy, and take full accountability for our deliverables and customer success.

Key Responsibilities

• Performing acceptance tests in the new software device releases (iOS and Android)
• Guarantee non-regressions tests with the subsequent minor or major releases
• Validate the devices from Manufacturers or from Costumers requirement
• Assessment and interoperability at the customer Onboarding with their own devices, evaluating if are working properly with our services (Multi-IMSI, OTA, RSP...)
• Run tests in live and lab environment
• Validate new weekly footprint requests by product type
• Supporting internall teams with customer's addressed issues
• Executing and assure above responsabilities on Smartphones and IoT devices

Must Have

• More than three years of prior experience on mobile device field testing
• Should have Good Knowledge/Experience in Mobile testing/Drive Testing/Device Testing/ Field Testing
• Good knowledge/Experience with iOS and Android mobiles
• Knowledge on log tool of Mediatek, INTEL or QUALCOMM chipset
• Should have knowledge on 2G, 3G, 4G and 5G tecnologies
• Good knowledge of VoLTE, VoWiFi and 5G services
• Should have knowledge with AT-Commands to execute actions on IoT devices
• Knowledge in Network signalling flows
• Knowledge with SIM cards protocols like APDUs is an advantage
• Knowledge with scripting languages (python, perl,...) is an advantage

Nice to Have

• Knowledge with USIM, eSIM and iSIM protocols is an advantage

What we offer?

• CLT contract — enjoy job stability and reliable benefits that value your work
• Quarterly performance bonuses to reward your hard work and achievements
• Meal allowance paid into Caju card — R$100 per working day
• Health insurance with SulAmérica — 50% covered by the company
• Daycare allowance provided to mothers with children under 3 years old — R$500 per month per child
• Kickstart your journey with an exciting welcome onboarding trip to one of our European offices (Lisbon or Berlin)!
  

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.