SIM & Device Engineer (IoT)

KORE is a company focused on providing innovative IoT solutions, and they are seeking a SIM & Device Engineer to manage the delivery of technical specifications for SIM/eSIM/iSIM products. The role involves collaborating with various teams to resolve issues, manage SIM profiles, and ensure high-quality support for stakeholders.

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