SIM engineer

onetowin data services; Antwerpen; On-site; EUR 65,000 - 90,000; Full time

Job summary

onetowin data services seeks an experienced SIM engineer to join the Service Activation Squad. The role focuses on SIM and eSIM design, OTA campaigns, and migrating OTA platforms from Synapse to Idemia, with emphasis on 5G SA SIMs and wholesale partner profiles.

Responsibilities include testing new SIM cards, defining SIM/eSIM profiles, and executing campaigns independently in a transitioning platform environment.

Qualifications

• Minimum 5 years of relevant experience in each must-have skill.

Responsibilities

• BAT testing of new SIM cards
• Define new (e)SIM cards for Wholesale partners
• Create 5G Stand Alone SIM cards and eSIMs
• Run SIM-OTA campaigns on Synapse platform
• Replace SIM-OTA platform with new platform of Idemia

Skills

5G SA SIM & eSIM

SIM-OTA platform experience

SIM profile management

APDU commands

3GPP TS 31.102

ETSI TS 102 221

SIM-OTA campaigns

Independent worker

Tools

Synapse platform

Idemia platform

Job description

We are looking for an experienced SIM engineer to join the Service Activation Squad.

The Service Activation Squad is responsible for the technical provisioning of most services (except entertainment) and the SIM Engineering.

The candidate will be responsible for the SIM related engineering projects we do. Main tasks are defining SIM profiles, running OTA campaigns and replacing the existing OTA platform from Synapse with the new platform of Idemia.

Responsibilities

• BAT testing of new SIM cards
• Define new (e)SIM cards for Wholesale partners
• Create 5G Stand Alone SIM cards and eSIMs
• Run SIM-OTA campaigns on Synapse platform
• Replace SIM-OTA platform with new platform of Idemia

Requirements & Qualifications:

• Minimum 5 years of relevant experience in each of the must-have skills below.

Must Have Skills

• 5G SA SIM and eSIM
  • Experience in designing a SIM and eSIM profiles
  • Thorough knowledge of 5G profiles
• SIM-OTA platform experience
  • Experience of working with a SIM-OTA platform (brands Synapse and Idemia)
  • SIM and eSIM Profile management
  • Know-how for testing of SIM profiles
  • Experience with APDU commands
    • Knowledge of 3GPP TS 31.102 (characteristics of the USIM application)
    • Knowledge of ETSI TS 102 221 (UICC terminal interface)
• SIM-OTA campaigns
  • Experience in building a SIM-OTA campaign from scratch
  • Experience in executing and following up SIM-OTA campaigns
• Can work independently

Nice To Have Skills

• Experience of working in an agile environment