xSIM Engineer
Truphone, Russia

Main Purpose of the role

Currently all EUM manufacturing order and BAP activity is managed in the Embedded team. There is a queue of 12 different BAP activities with 6 different xSIM Manufacturers.

Given this, as part of New vs Existing SIM SKU Improvements process, will be created a new Team in the Enable Cluster to clearly do the split between Technology activities (new SKU processes) and Operation (operationalization of the Existing SKUs process).

Key Responsibilities

• Support xSIM manufacturing process
• Preparation, execution and automation of pre-BAP and BAP processes
• Automate BAP QA Processes
• xSIM Manufacturer BAP validation activities
• Post xSIM Manufacturing QA activities and troubleshooting of issues
• Development of electrical profiles according to business needs
• New SKU Development and Product Support
• OTA Campaigns

Requirements

• Higher education in computer science field
• 2+ years of experience working on a similar position at an xSIM manufacturer or an MNO or similar
• In-depth knowledge of xSIM manufacturing processes and flows
• Good understanding of relevant standards and specifications (ETSI, 3GPP, Global Platform, Java Card, etc.) related to device to xSIM communication and xSIM configuration (incl. STK/CAT operation)
• Good understanding of I/O protocols (T=0, APDUs, low-level protocol features)
• Hands-on experience in development and testing of electrical profiles
• Familiarity with data formats used in this industry (.out files formats, profile descriptions, etc.)
• Familiarity with security mechanisms typically used for data exchange (transport keys, PGP, SFTP, etc.)

Nice to Have

• Understanding of GSMA RSP technology, concepts and data formats (ASN.1, TCA IPP, etc.)
• Understanding of mobile networks protocols and flows
• Hands-on experience using protocol analyzers, communication spy tools, etc. (e.g. COMPRION MiniMove)
• Hands-on experience working with mobile network emulators
• Test Automation Tools
• Automation processes development experience

Job Rewards and Benefits