Irene Sierra

Experience

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  IBM

  Jun 1998 - Apr 2000

  Software Analyst

  Software Analyst at IBM, Support Specialist for TCP/IP, Communications, and System Performance groups. Skills:AIXTechnical SupportPerformance TuningTCP/IP• Tested, maintained, and monitored computer programs and systems, including coordinating their installation.• Providing customers and their users assistance in solving system-related problems• Performed root cause analysis and system restoration for critical issues and system-down situations. • Specialized in troubleshooting network communication problems on TCP/IP and asynchronous transfer mode (ATM) networks.• Certified Technical Support Specialist for products and protocols such as DHCP, DNS, IPX, NIS, NFS, Sendmail, ATM and HACMP. Show less

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  Metrowerks/Motorola

  Apr 2000 - Jan 2001

  Software Design Engineer

  Software Developer for Metrowerks(acquired by Motorola), developing device driver software for Motorola M*CORE microcontroller peripherals. Skills:AssemblyCPython• Developed low-level device drivers for commercial evaluation boards; • Enhanced, supported, and maintained application device drivers for emerging hardware technologies and legacy code for the Systems Engineering department. • Created application code for Motorola’s M·CORE and PowerPC processors based on customer use cases.• Ported Wind River Systems VxWorks and Integrated Systems pSOS real-time operating systems.• Developed embedded software for an infrastructure component in a private trunked mobile radio Show less

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  Freescale Semiconductor

  Jan 2001 - Mar 2014

  Application Engineer

  Field Applications Engineer for Freescale(formerly Motorola), supporting Freescale Digitial networking technology available to their customers and 3rd parties Skills:Application Development and Troubleshooting, Linux (BSP & SDK), System Testing• Customer liaison to subject matter experts, fostering effective communication between customers and internal teams. • Provided remote and on-site support • Created and delivered training sessions in conjunction with design and software teams (tool transition)• Provided training to customers• Solve pre-sales / post-sales questions.• Demonstrated new tools to key account stakeholders, particularly in the context of embedded systems, ensuring clear and concise communication of technical features and benefits• Coordinated meetings and collaborated with internal subject matter experts to collect and interpret input for comprehensive documentation.• Updated internal business documents for seamless customer experience with accurate operating procedures Show less

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  NXP Semiconductors (formerly Freescale Semiconductors)

  Apr 2014 - now

  Applications Engineer

  I am a Field Applications Engineer for NXP (formerly Freescale / Motorola Semiconductor). I support NXP networking technology available to our customers and third parties to reduce redundancy and quicken their time to market.Skills: Customer ServiceDebug and Issue ResolutionAccount Management Systems and software supportEmbedded Layerscape & ARM hardware and software(Uboot, Linux, Python)• Cultivated strong customer relationships through effective communication and collaborations with both individual contributors and executives. • Advanced development tool and debug support, systems, and software support and debugging, code and system optimization• Solve pre-sales / post-sales questions.• Demonstrated excellent people and stakeholder management skills, ensuring customer satisfaction and retention. • Conducted thorough analysis of reports and performance indicators to identify and correct code problems, resulting in improved system efficiency.• Assisted in troubleshooting and analyzing technical problems associated with local applications, demonstrating strong problem-solving skills. • Demonstrated excellent people and stakeholder management skills, ensuring customer satisfaction and retention. • Expert in embedded software and low-level software debug• Provide customer technical training. Show less