# George Liu

> Principal System Power Engineer

Location: Santa Clara, California, United States
Profile: https://flows.cv/georgeliu

Data Center Power architecture from grid to Rack PDUs. PUE optimization, DCIM, liquid cooling and networking power distribution.  

Rack power distribution with ORV1, ORV2, ORV3 power shelve or CRPS. Working with vendors to develop power shelves and Power supplies used in Computing Rack. 

HPC, GPU, Storage server power designs with 48V and 12V bus.  DCDC PoL and multi phase VRM designs and verifications.  

EMI/EMC, safety, compliance etc.  

Project management with multi culture, multi locations teams including vendors.  

AC/DC and DCDC power design and verifications.  System integration and signal integration.  PMI with IPMI or Redfish.  

Sr. Applications Engineer for Digital PWM controller.

Program Engineering for Power Supply design and Power supply application. 

Power System engineer for Datacom, Telecom and computing.

Applications engineer for Power Supply or Power related ICs.

Design for reliability, design for manufacture and design for safety managemenrt.

Specialties: Digital PWM controller applications. Project management.  ACDC design. DCDC POL design.  Field applications engineer.  Multi culture, multi language design team management.

## Work Experience
### Principal System Power Engineer @ Auradine
Jan 2023 – Present | Santa Clara, California, United States
Cryptocurrency (Bitcoin) mining system, rack, data center power architecture design.  Including system power supply, data center power and distribution, backup, hashing board boost and POL DCDC.    System integration with mechanical and thermal team. Design and implement system and power architecture from data center level to hashing boards level with air cooling, cold plate water cooling, single phase immersion cooling, dual phase immersion cooling.    5kw to 25kw one and 3 phase input single module power supply design, 400kw rack level system power design and distribution, 400VDC power distribution.

### Senior Power System Architect @ Lenovo
Jan 2023 – Jan 2024 | San Jose, California, United States
Data Center Power architecture from grid to Rack PDUs. PUE optimization, DCIM, liquid cooling and networking power distribution.  

Rack power distribution with ORV1, ORV2, ORV3 power shelve or CRPS. Working with vendors to develop power shelves and Power supplies used in Computing Rack. 

HPC, GPU, Storage server power designs with 48V and 12V bus.  DCDC PoL and multi phase VRM designs and verifications.  

EMI/EMC, safety, compliance etc.  

Project management with multi culture, multi locations teams including vendors.  

AC/DC and DCDC power design and verifications.  System integration and signal integration.  PMI with IPMI or Redfish.

### Senior Hardware Engineer (Power ) @ Uber
Jan 2022 – Jan 2023 | Sunnyvale, California, United States
Data center power distribution.  

ORV2,3 Rack power shelve, Power supply, PDU design and verifications.  

computing, storage, GPU and HIO server power architecture and DCDC power design and verifications.  

Serve as liaison of Data center power experts.

### Staff Hardware Engineer (power) @ Uber
Jan 2022 – Jan 2023 | Sunnyvale, California, United States

### Hardware Engineer (Power) @ Cisco Systems
Jan 2010 – Jan 2022 | San Jose, CA
Networking System Power achitecture design.
Networking and Computing system front end AC-DC design and test. 
Board Mounted Power, DC-DC converters, POL, VRM, Power management design. 

Key words: 
Front-End Power supply .
Networking System , 
Board Mounted Power , 
DC-DC converters ,
POL ,
VRM ,
PMbus . 
SVID .  
PFC ,
Power Quality ,
Green Power . 
Power Distribution
Power Integrity
Power Monitoring
Power Management

### Sr. Applications Engineer and Field Applications Engineer @ Powervation Ltd
Jan 2009 – Jan 2011
DCDC POL design with Digital Anto-control PWM. Work with customer to provide a system power solution and build reference designs. Customer support for power design with digital PWM.

### Program Engineer @ Emerson Network Power
Jan 2002 – Jan 2010
Design and manage the custom ACDC and DCDC power supply projectss for Cisco account. In the past 8 years I have successfully completed more than 15 projects and helped triple the company sales revenue through Cisco account.

### Sr. Program Engineer @ Emerson Nework Power
Jan 1997 – Jan 2009
Working with Cisco on front end power applications including high end routing power, Server power.  Both ACDC and DCDC. Power from 60W to 9KW. Debug failure and PMbus communication errors. Finish 11 projects and help triple the revenue.  On site vendor FAE for Cisco DCDC power group. Design and test line card power including power bricks and POLs.

### Applications Engineer @ Astec America Inc.
Jan 2001 – Jan 2007
Front-End Power supply design from 5W to 9KW for Networking System, computing system and industrial applications. 
Board Mounted Power 1/2 brick, 1/4 brick, 1/8 brick, 1/16th brick and DCX, IBC.
DC-DC converters and POL, VRM including Multi phase POLs.
PMbus applications and debugging. 
SVID with DDR memory.


## Education
### MSEE in Electrical Engineering
Tsinghua University


## Contact & Social
- LinkedIn: https://linkedin.com/in/george-liu-159a048

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Source: https://flows.cv/georgeliu
JSON Resume: https://flows.cv/georgeliu/resume.json
Last updated: 2026-04-05