oxio - Head of xSIM Engineering
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Requirements
• Engineering degree in Information Technology, Electronics, or Telecommunications. • Minimum of 10–12 years of experience in a smart card environment or telecommunications with a strong technical background in telecom, smart cards, and security. • Broad knowledge of (e)(p)SIM-related technologies and environments, including: • SIM electronic profiles • SIM OTA platforms and protocols (SCP80/81, BIP) • Strong understanding of SIM technology and ecosystem: • Related protocols and interfaces • Experience with Remote SIM Provisioning technologies: • Knowledge of: • ETSI standards • 3GPP standards • GlobalPlatform standards • Experience with Java Card 2.2.2+ development and testing. • Knowledge of ETSI and 3GPP standards used for UICC, SIM Toolkit, and OTA features. • Familiarity with: • GSMA SGP21/22/23 • Strong tolerance for ambiguity and the ability to focus and execute in a rapidly changing environment, take charge, and make things happen. • Excellent written and verbal communication skills. • Candidates with a software development background or QA experience in software or telecommunications are a plus. • Knowledge of Over-the-Air (OTA) SIM card change management techniques. • EQUAL OPPORTUNITY • OXIO is committed to fostering a diverse, equitable, and inclusive workplace where all employees feel valued and empowered. We believe that diversity in all its forms drives innovation and creativity, and we strive to create an environment that reflects and celebrates the unique backgrounds, perspectives, and talents of our employees. We do not discriminate against any employee or applicant for employment based on race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state, or local law. We are dedicated to providing a work environment free from discrimination and harassment. We committed to ensuring that all qualified applicants have an equal opportunity to apply for job openings. If you need assistance or an accommodation due to a disability, please contact us at [email protected] for more information.
Responsibilities
• Act as the Product Owner for our SIM profiles, SIM vendors, SIM applets, and OTA platform. • Manage vendor relationships and work with SIM manufacturers. • Document technical processes for all activities. • Standardize SIM procedures for all vendors using generic profiles and consistent processes. • ELECTRONIC PROFILES • Experience in UICC/USIM card electronic profile creation and validation in cooperation with SIM vendors, including planning, bug tracking and analysis, and reporting. • Responsible for SIM customization, maintenance, and SIM reprogramming. • Perform handset interaction tracing and manage AuC security policy. • Manage OTA APDUs, campaigns, and connectivity for the OTA platform. • Specify acceptance test documentation and participate in executing test cases. • Participate in development projects related to applets and overall architecture plans. • Initiate small applet developments, test them, and help the development team build better applets. • Manage the lifecycle of applets, including new releases and upgrades to existing electronic profiles. • Conduct ATP activities with different vendors and countries for various applets.
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