R D Circuit Design

Reza Masoumian

****.*********@*****.***

Rancho Santa Margarita, California

SUMMARY

Electronics Engineer with 15+ years of experience in the design, development, manufacturing, and servicing of medical devices, including hemodynamic monitors, audiometers, ophthalmic lasers, and ultrasound imaging systems. Recognized for innovation, reliability, and cost-saving designs. Skilled in R&D, circuit design, compliance, and team leadership.

CORE SKILLS & QUALIFICATIONS

• Expertise in analog and digital circuit design

• Experienced in microcontroller-based system design

• Experience with laser and optics

• Proficient in schematic capture and PCB layout using Altium, Pulsonix, and simulation using SiMetrix, Pspice

• Working knowledge of Visual Basic programming, Microsoft Office (e.g., Excel, Word, Outlook, PowerPoint)

• Familiar with OrCAD, Allegro, SolidWorks, LabVIEW

• Sensor integration: light, sound, current, pressure, proximity, temperature, flow

• Strong troubleshooting and problem-solving skills and creating failure analyses and Investigation reports

• Excellent hands-on skills in PCBA rework (SMT & through-hole)

• Hands-on experience using general and complex engineering test equipment including oscilloscope, spectrometer, logic analyzer, data logger, etc.

• Understanding of medical device regulations and safety standards (IEC 60601-1, IEC 60601-1-2, IEC 60601-8 and ISO 13485)

• Effective in independent settings, team and cross-functional collaboration

• Multitask, self-motivated, fast learner, detail oriented

• Strong documentation, written, verbal presentation and communication skills PROFESSIONAL EXPERIENCE

Principal Electrical Hardware Engineer

ICU Medical, San Clemente, CA

March 2019 – Present

As a key contributor in the R&D team of critical care department, led multiple product enhancements and cost-saving initiatives.

• Designed and implemented innovative modifications to legacy systems, reducing material and labor costs

• Developed several new simulation tools: Arterial Waveform Generator, Variable Cardiac Output simulator, PC-controlled Bolus Co and OPMOD Simulator/Calculator, Optical O2 Saturation and PA pulsatility simulators etc.

• Improved product resilience to extremely high EM noise of electro- surgical tools

• Created and revised dFMEA, HDD, MTBF documents and V&V protocols

• Led board bring-up and test development

• Created schematics, PCB layouts BOM and PCBA documents

• Solved complex hardware and software issues, increasing system accuracy and reliability

Key Achievement:

Redesigned the Oximetry accessory of hemodynamic monitor, reducing material & labor costs by over 70%.

R&D Electronic Engineer / Service Manager

LightMed USA, San Clemente, CA

May 2016 – March 2019

Contributed to the development of ophthalmic lasers and ultrasound imaging systems; led North American service operations.

• Designed circuits and created schematics, PCBs, and wiring diagrams for laser and imaging systems

• Developed V&V protocols, FMEA documents

• Provided compliance solutions (e.g., ESD, EMC)

• Authored technical documents: service/user manuals, assembly procedures

• Built prototypes and facilitated design transfer to production

• Managed service technicians, RMA processes, and spare parts logistics Key Achievement:

Successfully completed three major products from concept to production, including TruScan Pro and LightSonic B/UBM. Reduced service cycle times to under one week. Technical Manager

Welltone Co. Ltd, Tehran, Iran

2004 – 2012

Led the design and development of audiologic equipment.

• Managed a team of 5 engineers in hardware/software development

• Designed circuits and mechanical drawings for audiometers and tympanometers

• Oversaw calibration, testing, and documentation of devices

• Trained technical staff and end-users

• Created service/user manuals

Key Achievement:

Completed the development of a clinical middle ear analyzer with unique features EDUCATION

Bachelor’s Degree BSEE

Bahá’í Institute for Higher Education (BIHE), Tehran, Iran REFERENCES

Available upon request

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