SIM/eSIM Engineer I — Java Card & Connectivity Innovator

Cubic3; Dublin; On-site; EUR 42,000 - 64,000; Full time

Benefits offered by this job

Up to 8 WFH days per month

Job summary

Cubic³ is seeking a SIM Engineer Level I in Ireland to join a dynamic SIM Engineering team, focusing on SIM/eSIM provisioning technology. You will contribute to advanced connectivity solutions and support global customers with the latest eSIM developments.

The role involves designing and validating SIM/eSIM profiles, developing Java Card applets, and collaborating across mobile core networks, security, and device vendors. Onsite probation with hybrid possibilities post-probation.

Qualifications

• Bachelor’s degree in engineering, computer science or related discipline.
• 3+ years of telecoms/ connectivity experience.
• Hands-on with SIM/eSIM technologies and protocols (APDU, ISO 7816).
• Knowledge of 3GPP, ETSI and GSMA standards.

Responsibilities

• Design, validate, and maintain electrical and logical profiles for SIM and eSIM products.
• Develop and implement Java Card applets for SIM/eSIM services, ensuring compliance with standards.
• Create and update technical documentation (applets specs, test plans).
• Collaborate with cross-functional teams across mobile core networks, security, and device vendors.
• Support development, testing and integration of SIM-based applications and tools.
• Utilize smart card test and trace tools to ensure quality and performance.
• Participate in technical reviews and troubleshooting.

Skills

SIM/eSIM tech

Java/Java Card

Analytical thinking

Communication skills

Problem solving

Self-motivated

Education

Bachelor’s degree in engineering or computer science

Tools

Git

Postman

Comprion test tools

Job description

Cubic³ is seeking a SIM Engineer Level I in Ireland to join a dynamic SIM Engineering team, focusing on SIM/eSIM provisioning technology. You will contribute to advanced connectivity solutions and support global customers with the latest eSIM developments.

The role involves designing and validating SIM/eSIM profiles, developing Java Card applets, and collaborating across mobile core networks, security, and device vendors. Onsite probation with hybrid possibilities post-probation.