Senior (e)SIM Engineer | Telecom | Mechelen

Pauwels Consulting; Mechelen; On-site; EUR 90,000 - 120,000; Full time

Job summary

Pauwels Consulting is seeking a Senior (e)SIM Engineer on behalf of a leading telecommunications client to lead SIM/eSIM profile design, OTA campaigns, and platform migrations.

You will own technical projects from design to validation, collaborating with vendors, and ensuring 5G SA readiness, with strong English communication.

Qualifications

• 5+ years of experience in designing SIM and eSIM profiles, including 5G SA and eSIM (SM-DP+)
• 5+ years of hands-on experience with SIM-OTA platforms and the execution of SIM-OTA campaigns
• Technical expertise in SGP.22, SGP.32, APDU commands, and IoT technology
• Knowledge of 3GPP TS 31.102 and ETSI TS 102 221 standards for profile troubleshooting
• You're autonomous and capable of taking full ownership of technical projects from start to finish
• You're fluent in English.

Responsibilities

• Design and develop SIM and eSIM profiles in collaboration with external vendors.
• Define and create 5G Stand Alone SIM cards and eSIMs for various partners.
• Manage SIM-OTA campaigns by executing, troubleshooting, and reporting on remote changes.
• Lead the migration to a new SIM-OTA platform, including configuration and acceptance testing.
• Perform technical troubleshooting and analysis of electrical SIM profiles.
• Conduct validation testing for new SIM cards to ensure functionality and performance.

Skills

SIM design

eSIM profiles

5G SA

SIM-OTA

APDU commands

IoT

3GPP TS 31.102

ETSI TS 102 221

Autonomy

English

Job description

Our client, a prominent player in the telecommunications sector, is seeking a Senior (e)SIM Engineer to lead critical SIM engineering projects. This role involves taking ownership of SIM and eSIM profile design, managing OTA campaigns, and steering platform migrations within a specialized service activation team.

• Design and develop SIM and eSIM profiles in collaboration with external vendors.
• Define and create 5G Stand Alone SIM cards and eSIMs for various partners.
• Manage SIM-OTA campaigns by executing, troubleshooting, and reporting on remote changes.
• Lead the migration to a new SIM-OTA platform, including configuration and acceptance testing.
• Perform technical troubleshooting and analysis of electrical SIM profiles.
• Conduct validation testing for new SIM cards to ensure functionality and performance.

• You have 5+ years of experience in designing SIM and eSIM profiles, including 5G SA and eSIM (SM-DP+).
• You bring 5+ years of hands-on experience with SIM-OTA platforms and the execution of SIM-OTA campaigns.
• You possess technical expertise in SGP.22, SGP.32, APDU commands, and IoT technology.
• You have thorough knowledge of 3GPP TS 31.102 and ETSI TS 102 221 standards for profile troubleshooting.
• You're autonomous and capable of taking full ownership of technical projects from start to finish.
• You are fluent in English.

Nice to Haves

• Experience with industry-standard SIM vendors or working in an Agile environment.
• Knowledge of Dutch.