Alexander Sieman Email & Phone Number

Santa Barbara, Ca, Us

Amsterdam, Noord-Holland, Nl

- Led a team of software developers and test engineers using agile/scrum development practices, coordinating tasking, working with stakeholders to define priorities, and coaching new hires- Developed reusable device drivers and libraries in C# to support projects and expand the automated test platform- Designed a Python package to generate structured data into PDF documents compliant with quality standards- Created and led an initiative to expand automated document generation solution, saving $100k in 6 months- Worked to drive software platformization across Philips businesses, presenting strategy and roadmap to technical leadership and collaborating with software architects to define a common reference architecture

Amsterdam, Noord-Holland, Nl

- Primary technical focus on the design and implementation of embedded C/C++ firmware for medical devices, including driver development, design of logging and event handling, and requirements design for testability- Designed a compiler to generate structured data input into PDF documents compliant with quality system documentation standards- Developed reusable graphics components and accelerated screen drawing performance on embedded GUI- Improved delivery algorithm in portable oxygen concentrator to reduce oxygen bolus delivery error by 60%- Implemented reporting and artifact archival module to support automated system test solution

Boulogne-Billancourt, Île-De-France, Fr

-Primary technical focus on the design, development, and testing of control and automation software, including model-based development in Matlab/Simulink, for megawatt-scale power electronics systems-Led all aspects of the development of real-time control and automation software, from requirements definition to delivery of fully validated product for power electronic systems-Designed and implemented automated data collection software for an edge computing platform, designed to report key performance indicators and prognostic fault indexes of electric rotating machines to a secure cloud server-Designed software in Python to automate data collection from PLC units, reducing test time by up to 75%-Designed C-based signal processing algorithms to detect impending faults in electric rotating machines and refined algorithm accuracy using ROC curve analytic techniques on large datasets-Developed firmware for microcontroller, Altera FPGA systems to ensure proper fault reporting and signal capture-Co-authored four patent applications currently filed with the USPTO to secure relevant project IP

Boulogne-Billancourt, Île-De-France, Fr

-Primary technical focus on design and implementation of embedded firmware in real-time system utilized in medium-voltage power electronics systems-Implemented multi-level PWM modulator and active capacitor balancing algorithm in induction motor drive by scheduling low-level bridge control using peripheral timer units in Cortex-M3 based microcontroller boards-Implemented control loops and custom SPI-derived fiber-optic communication protocol in Altera FPGA system-Designed and implemented microcontroller bootloader to allow in-application programming from supervisory controller-Utilized Matlab and Simulink S-functions to simulate embedded software performance in power electronics circuits and to validate control loop design-Implemented interrupt-driven fault detection circuits, fault data acquisition, and fault data reporting to supervisory controller-Designed automated functional tests in Python to provide 100% test coverage of microcontroller-based PCB boards to support design and manufacturing efforts-Ensured that embedded design constraints were met during PCB design phase-Validated new PCB designs using standard lab equipment including oscilloscopes and logic analyzers-Assured proper documentation of technical data and specifications, participating as a presenter and reviewer in technical and program reviews

Boulogne-Billancourt, Île-De-France, Fr

-Developed embedded software for medium-voltage drive application-Designed and constructed automated test setup to qualify medium-voltage components-Redesigned auxiliary control and power circuit in 4MW solar inverter-Helped test reactors and medium-voltage drive components

Master’S Degree, Electrical And Computer Engineering

Bachelor’S Degree, Electrical Engineering