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Apple eUICC & Baseband Firmware Engineer 
United States, California, San Diego 
150303347

30.06.2025
RESPONSIBILITIESDesign, implement, and maintain firmware components for eUICC and secure element subsystems on vendor baseband platformsDebug and resolve issues across AP-BB-SE interfaces, including ISO7816, SWP, and proprietary channelsContribute to system-level architecture discussions involving eSIM provisioning, activation, and lifecycle managementAnalyze and ensure compliance with GSMA and 3GPP specifications related to eUICC and cellular connectivity
  • Strong expertise in embedded firmware development
  • Hands-on experience with baseband modem platforms (Qualcomm, MTK, etc.)
  • Deep understanding of eUICC architecture, SIM file systems, and ISO/ETSI standards (e.g., TS 102 221, TS 102 222)
  • Solid debugging skills using tools such as JTAG, QXDM, and protocol-level log analyzers
  • Familiarity with cellular technologies (3GPP Rel-13 and above), SIM provisioning workflows, and secure boot environments
  • Experience with AP-BB-SE com munition protocols
  • Exposure to OS-level integration (iOS or RTOS environments)
  • Understanding of cryptographic protocols used in eUICC lifecycle (PKI, TLS, ASN.1)
  • Ability to work independently in a fast-paced, cross-functional engineering environment
  • Thrive in a collaborative environment and can clearly communicate with multi-functional teams
  • Hard-working and inquisitive, and seek to solve everyday problems in innovative ways
  • You are upbeat, adaptable, and results oriented with a positive attitude
Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.