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Our job offers

SIM Team Leader M/F
Full time
Master's degree
5/10 years exp
Paris - La Défense
Your missions

Within the Research & Innovation team:

·       Take full charge of the development of the SIM products

·       Create and maintain product specifications, validate new SIM products, and ensure interoperability for new product introduction, timely launch and go-to-market activities

·       Develop and maintain the relationships with the selected SIM manufacturers on a day-to-day basis

·       Lead the definition and execution of new technology roadmap and trials (e.g. 5G SA and iSIM), including identifying and sourcing necessary test equipment and conducting relevant testing activities

·       Handle all the internal and external queries about SIM products

·       Act as the internal subject-matter expert on SIM management capabilities and roadmap for internal stakeholders (e.g. network, SIM technology, OTA services and RSP evolutions)

·       Communicate regularly across different functions with senior management and executives to ensure expected outcomes and objectives are met

·       Work closely with the operational team, acting as SN3/SN4 for any SIM related topic.

Your profile

Bac+5/ BS or MS degree in Computer Science or Electrical Engineering (or equivalent)

Experience with M2M/IoT modules
Experience with consumer cellular devices
Experience with software development using Java, C and/or Python
Experience working remotely in a multicultural environment
Experience working in a tech start-up like environment


Key Requirements

·       Experience in Wireless Telecom, including activations and provisioning with demonstrated understanding of device and SIM interactions and SIM card’s role in Network access and usage

·       Experience in SIM technology & product roll-out and device management, including product configuration, feature and offering integration, new product introduction, and full lifecycle management

·       Knowledge of testing and certification of UICC/SIM/eSIM/eUICC

·       Understanding of SIMs and device specifications in industry forums (e.g. 3GPP, ETSI, GSMA)

·       Experience providing an in-depth business and technical expertise on new SIM architectures, key management, and cryptographic function

·       Experience in SIM secure element and SIM card applet development

·       In depth knowledge of authentication algorithms (e.g. Milenage), processes, and mechanisms

·       In depth knowledge of essential algorithms (e.g. 3DES, AES, RSA, ECC etc)

·       Proven experience of Key Ceremony

·       Proven experience of BAP/BAT process

·       Ability to debug APDU logs

·       Understanding of 2G/3G/4G/5G network architecture, network service provisioning, Over the Air (SCP02, 80 and 81), Remote SIM Provisioning (RSP), and 3GPP protocols

·       In depth knowledge of industry standards: 3GPP 31.111, 31.102, ISO 7816, ETSI 102 221, 102 223, 102 671, GSMA SGP 02, 22 etc.

·       Fluency in English with excellent verbal and written communications skills

·       Passion for working on new technologies in a fast-paced and frequently changing environment

·       Ability to work effectively with cross-functional teams


Individual &
collective bonus

Salary review
twice a year

Remote work up to
2 days per week

Brand new

Varied training

Proximity HR and

Learn more

Recruitment process

About 3 weeks
HR Call
1st interview: Manager / HR
2nd interview: Technical or operationnal
personality test
Welcome and onboarding process
About 3 weeks
HR Call
1st interview: Manager / HR
2nd interview: Technical or operationnal
personality test
Welcome and onboarding process

    ApplySIM Team Leader M/F

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