SIM & Device Engineer (IoT)

KORE is a company focused on IoT solutions, and they are seeking a SIM & Device Engineer to manage the technical specifications and delivery of SIM profiles for various products. The role involves collaboration with multiple teams and requires strong technical expertise in SIM and device interactions as well as fault diagnosis in IoT applications.

Responsibilities:

• Manage KORE SIM profiles development and it’s complete lifecycle from design all the way up to deployment . Create and maintain profile specs, validate new SIM & applet products, ensure interoperability with SIM and comm on IoT mod ules for product launch and go-to-market activities
• Develop and maintain the relationships with SIM manufacturers on a day-to-day basis
• Providing technical expertise is evidenced by possessing a comprehensive understanding of devices, SIM cards, networks, and the associated tools for logging and fault diagnosis
• Assist the SIM Engineering team and Product Management in implementing new technology trials (e.g. eUICC , 5G, iSIM ), including sourcing test equipment and conducting quality assurance tests
• Manage queries about SIM products and serve as the subject-matter expert on SIM and applet capabilities for internal stakeholders
• Helping to troubleshoot SIM-related customer issues and advising customers on SIM and applet compatibility
• Issue resolution – leading cross-functional co-ordination to satisfactory closure, providing timely, responsive and consistently high-quality support to our stakeholders / customer troubleshooting calls
• Managing your time effectively – balancing priorities and workload through clear and consistent prioritisation and decision making
• Managing and reporting the status of issues – with clear ownership, next steps, and timescales. Keeping your stakeholders informed and managing expectations
• Closing the loop on root cause analysis – using data to create actionable recommendations for longer-term remediations / future product improvements
• Active contribution to KORE’s knowledge management materials

Requirements:

• Bachelor's Degree in Engineering or equivalent experience
• Expertise in new SIM architectures, SIM applets (eg. Multi-IMSI), key management, cryptographic functions, SIM secure elements, 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)
• Experience of Key Ceremony, Proven experience of BAP/BAT process
• Experience with Wireshark / PCAP logging, Netscout for network monitoring / call flow tracing. Comprion or SIMtrace, QXDM, hardware logs, AT commands / consoles
• Understanding of 2G/3G/4G/5G network architecture, network service provisioning, Over the Air (OTA, 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
• Passion for working on new technologies in a fast-paced and frequently changing environment
• Ability to analyse and correlate test results, producing conclusions and recommendations to KORE's Leadership team
• Experience with technical writing including creating guides / technical reports
• Excellent organizational, oral, and written communication skills
• Detailed understanding of core network design (Layer 4+)
• IoT module test / development experience (IE Quectel, ublox, Telit)
• IoT device firmware development / test experience (IE Teltonika, customer specific)
• Experience with software development using Java, C and/or Python, SIM APDU / applet development / test experience