SIM & Device Engineer (IoT)

Job Description

The SIM and Device Engineer role is responsible for delivering technical specifications and managing the comprehensive delivery of SIM profiles and applets for SIM/eSIM/eUICC/iSIM products. A thorough understanding of device, SIM, and network interactions and flows is essential. You will collaborate closely with various teams, be outcome-oriented, proficient in prioritization, and adept at managing stakeholder expectations.

You will fault-find various IoT applications, providing detailed technical expertise and summarizing issues simply. You'll coordinate cross-functionally to resolve problems and create customer-facing guides and reports.

Responsibilities

• Manage SIM profiles development and lifecycle from design to deployment.
• Create and maintain profile specs, validate new SIM & applet products, ensure interoperability with SIM and IoT modules for product launch and go-to-market activities.
• Develop and maintain relationships with SIM manufacturers.
• Provide technical expertise in devices, SIM cards, networks, and associated tools for logging and fault diagnosis.
• Assist in implementing new technology trials, 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.
• Troubleshoot SIM-related customer issues and advise on SIM and applet compatibility.
• Lead cross-functional coordination for issue resolution, providing high-quality support to stakeholders.
• Manage and report the status of issues with clear ownership, next steps, and timescales.
• Contribute to knowledge management materials.

Required Qualifications

• Bachelor’s Degree in Engineering or equivalent experience.
• Expertise in new SIM architectures, SIM applets, key management, cryptographic functions, and SIM card applet development.
• In-depth knowledge of authentication algorithms and essential algorithms.
• Experience with network monitoring and call flow tracing tools.
• Understanding of network architecture and service provisioning.
• Knowledge of industry standards and protocols.
• Passion for working on new technologies in a fast-paced environment.
• Ability to analyze and correlate test results, producing conclusions and recommendations.
• Experience with technical writing.
• Excellent organizational, oral, and written communication skills.

Desired Qualifications

• Understanding of core network design.
• IoT module test/development experience.
• IoT device firmware development/test experience.
• Experience with software development using Java, C, and/or Python.

Working Conditions

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.