2 months ago
Dublin, IrelandMid Level / Senior
Responsibilities
- Support the design, validation, and maintenance of electrical profiles for SIM and eSIM products.
- Design and implement Java Card applets for SIM/eSIM services according to 3GPP, ETSI, and GSMA standards.
- Write and maintain applet specifications, electrical profile specifications, API documentation, and test plans.
- Collaborate with mobile core network teams, security teams, IoT device vendors, and smart card vendors.
- Develop, test, and support SIM-based applications and tools and their integration within the SIM/eSIM ecosystem.
- Review electrical test data and reports and support the technical development of team members.
Requirements
- A third-level qualification in a technology discipline such as Engineering or Computer Science.
- 3–6 years of experience in a technology organisation, preferably telecoms technology, including up to three years in SIM/eSIM/OTA engineering R&D.
- Experience with Remote SIM Provisioning technologies including GSMA SGP.02, SGP.22, and SGP.32.
- Knowledge of SIM/eSIM architecture and protocols including APDU and ISO 7816.
- Familiarity with 3GPP and ETSI standards relevant to SIMs, such as TS 31.102 and TS 102.221.
- Experience with smart card test and trace tools such as Comprion.
- Understanding of secure coding practices and cryptographic protocols.
- Proficiency with version control systems and development tools, including Git.
- Knowledge of SIM operating systems for secure elements, such as MULTOS and native SIM OS.
- Experience with MNOs or handset OEMs and familiarity with HSS, OTA platforms, and test SIMs.
- Experience or knowledge of Postman API, Java, C#, SQL, and scripting.
- Experience with monitoring and alerting tools such as DataDog and Zabbix.
- Familiarity with Atlassian tools including Confluence and Jira is desirable.
- Ability to guide and mentor less experienced colleagues and lead small project teams is desirable.
Benefits
- New hires must work onsite five days per week during the six-month probation period.
- After probation, a flexible arrangement of up to eight work-from-home days per month may be available, subject to business needs and performance standards.
- Opportunity to gain hands-on experience with end-to-end SIM/eSIM ordering, provisioning, OTA infrastructure, RSP solutions, M2M, IoT, and emerging connectivity technologies.
