
Samuel Adura
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Senior PCB Design Engineer
OPSTEP ENGINEERING LTD • Full-time
Nov 2020 - Dec 2023 • 3 yrs 1 mo
As a Senior PCB Design Engineer at OPSTEP ENGINEERING LTD, I lead the end to end development of high performance printed circuit boards, from concept and schematic capture to layout, signal integrity optimization, DFM validation, and Gerber release for manufacturing. I collaborate closely with firmware, mechanical, and manufacturing teams to deliver reliable, production ready electronic solutions. My Key Responsibilities Was: 1. Designed multi-layer PCBs (2–12 layers) for embedded, IoT, industrial, and wearable applications 2. Developed complete schematics, component selection (BOM optimization), and footprint creation 3. Performed high-speed routing (DDR, USB, CAN, SPI, I2C, Ethernet) with impedance control 4. Conducted signal integrity, power integrity, and thermal analysis 5. Implemented EMI/EMC-compliant layouts for certification readiness 6. Generated manufacturing files (Gerber, ODB++, Pick & Place, Assembly drawings) 7. Managed PCB revisions, prototyping cycles, and production support
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adeemmanuel398

Nigeria
Second project with Him-When I need a PCB I will only go to him, he is super professional and I am always happy with his work! Have also recomended him to my colleagues!

knxsellertop

Spain
Excellent Engineer, he did a very well pleased job, i recommend him and will definitely use him for more project

shedrach_n

Nigeria


adeemmanuel398

Nigeria
Best engineer that i have ever work with here on fiverr, i will surly recommend you buy his service. Coming back with more projects soon!

adeemmanuel398

Nigeria
Wow! He truly exceed my expectation. I will be working with him on our next project. Thank you!

