Device & SIM Engineer

Webbing; Lisboa; Presencial; EUR 50 000 - 70 000; Tempo integral

Resumo da oferta

Webbing is seeking a Device & SIM Engineer to join its team in Portugal. The role is hands‑on, focusing on IoT and consumer devices, SIM/eSIM technologies, and global connectivity solutions.

You will own end‑to‑end device onboarding, troubleshoot interoperability across devices and networks, and work with customers, device vendors, and internal teams. You will also collaborate with SIM vendors on applets and services, participate in verification plans, and support SIM/eSIM configurations and OTA

Qualificações

• 3+ years of experience in a cellular device/testing or network engineering role.
• Good understanding of cellular architecture, call flows and mobile network procedures.
• Hands‑on experience with trace and network analysis tools.
• Ability to build verification plans, define test scenarios and execute test cases.
• Experience with Remote SIM Provisioning (RSP) and GSMA SGP.02, SGP.22 and/or SGP.32 architectures.
• Proficiency in English, both written and spoken.

Responsabilidades

• Own device onboarding end‑to‑end, including connectivity testing, troubleshooting and test report prep.
• Test and validate IoT and consumer devices across Webbing’s connectivity solutions.
• Investigate connectivity issues using device, SIM and network traces with Support and Network teams.
• Run and maintain the Webbing lab as isolated infrastructure.
• Build verification plans, define test scenarios, and execute test cases for new devices and configurations.
• Collaborate with Product Managers, Product Owners and R&D to improve device & SIM solutions and validate new products.
• Work with SIM vendors on applets, configurations and new services.
• Support investigation and validation of SIM, eSIM, OTA, Entitlement, and Remote SIM Provisioning.

Conhecimentos

Cellular testing

Network analysis

Test planning

Troubleshooting

English proficiency

Formação académica

B.Sc. Telecommunications

Ferramentas

QXDM

TEMS

COMPRION

Descrição da oferta de emprego

We are looking for a Device & SIM Engineer to join Webbing’s team, working hands‑on with IoT and consumer devices, SIM/eSIM technologies and Webbing’s global cellular connectivity solutions.

This is a technical and hands‑on role. You will own device onboarding activities end‑to‑end, troubleshoot connectivity and interoperability issues across devices, SIM/eSIM and mobile networks, and work closely with customers, device vendors, and internal engineering teams.

You will also work with SIM vendors on existing and new SIM/eSIM capabilities, including applets, configurations, and new services.

What You’ll Do:

• Own the device onboarding process end‑to‑end, including connectivity testing, troubleshooting, debugging and test report preparation.
• Test and validate IoT and consumer devices across Webbing’s connectivity solutions.
• Investigate device connectivity and interoperability issues using device, SIM and network traces, working closely with the Support and Network teams.
• Run and maintain the Webbing lab as an isolated infrastructure.
• Build verification plans, define test scenarios, and execute test cases for new devices, SIM/eSIM configurations, and services.
• Work closely with Product Managers, Product Owners and R&D to improve existing Device & SIM solutions and validate new products, features and technologies.
• Work with SIM vendors on the improvement and validation of existing applets, development of new applets, SIM/eSIM configurations and new services.
• Support the investigation and validation of SIM, eSIM, OTA, Entitlement, and Remote SIM Provisioning.

Requirements:

• 3+ years of experience as a Cellular Device Testing Engineer, Cellular Network Engineer, or in a similar technical role.
• Good understanding of cellular architecture, call flows and mobile network procedures.
• Familiar with IP networking protocols.
• Hands‑on experience with trace and network analysis tools.
• Ability to build verification plans, define test scenarios and execute test cases.
• Experience troubleshooting connectivity issues across devices and cellular networks.
• Experience with Remote SIM Provisioning (RSP) and understanding of GSMA SGP.02, SGP.22 and/or SGP.32 architectures.
• Proficiency in English, both written and spoken.

Nice to Have

• Experience with device and SIM trace/log analysis tools such as QXDM, TEMS, COMPRION, or similar.
• Experience with SIM/UICC/eUICC configuration and OTA technologies.
• Experience with cellular radio interfaces and radio‑related troubleshooting.
• Experience working with different IoT modules, smartphones and other cellular device platforms.
• Experience working directly with SIM/eSIM vendors or device manufacturers.
• B.Sc. in Telecommunications, Electrical, Electronics, Computer Engineering, or a related technical field.

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.