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Power Design Senior Engineer

Req ID: J2249680

  • Location
    Shanghai, Shanghai, China
  • Category Design Services Group
  • Posted Friday, September 18, 2020
  • Type Full time

Job Description


Take the major responsibility for power design for Wireline communications projects. Drive innovation and continuous improvement within Jabil Wireline team by utilizing new design technologies and methodologies. Provide exceptional support to internal and external customers, team members, and other persons through technical project cooperation.

ESSENTIAL DUTIES AND RESPONSIBILITIES include, but are not limited to the following:

Work with Arch and team for design feasibility study, contribute the feasibility study from power perspective. Create related deliverables according customer/project’s requirement.

In detailed design stage, work closely with various discipline as whole team to accomplish the design tasks.

o Work with Electrical Engineer to provide the power block diagram based on the power budget

o Select the suitable topologies according to the power block diagram, DC-DC POL which include single phase or multiphase power solution, hot-swap control, ORing control circuit, Current sharing control circuit, EMI filtering circuit, Super-cap control circuit, etc.

o Work with the suppliers to select the suitable components considering cost, space, efficiency, performance

o Use the CAD Tools like ORCAD Capture and Concept to work out the power schematic

o Do the power related calculations and simulations to ensure the stability and reliability of the power design

o Work with the Layout Engineer to review the layout

o Bring up the board together with the Electrical Engineer and Firmware Engineer

o Deliver the power test plan according to the generic power test plan and customer’s special requirements

o Do the power verification in EVT phase based on the items in the test plan and work out the test report.

o Work on the trouble shooting, issue analysis, and finding solutions for the defects

o Implement the design changes on the DVT schematic and board file

o Review the recommended second source from the Component Engineer and review the test plan/report

Support power related failure analysis on the RMA board

Work with the PSU (Power Supply Unit) vendor and manage the development for the customized PSU, including technical review, schedule control, and cost control, etc.

Work with the PSU vendor and select a suitable standard off-the-shelf PSU. Resolve the issues during the verification for PSU FRU test and PSU system test.

Person Background:

Candidates should have 5 or more years’ experience in DC/DC power design. Typically, the following essential qualifications and experiences would be requested:

Bachelor or Master in Electronics, Power, Computing engineering or similar

Strong design knowledge in switching power topologies, like Buck, Boost, etc.

Good knowledge in power design with Intel CPU or mainstream ASIC used by communications, like Broadcom, Microchip, PowerPC etc.

Good knowledge in system redundancy, current sharing control, hot-swap control, Oring control and monitoring control

Capable of using ECAD tools of Cadence and/or Mentor for schematic

Better in having the experience of both analog power control and digital power control.

Better in having design experience in POE (power over Ethernet) for Networking Switch product.

Good English speaking and literacy.

Person Attributes:

The successful candidate will be a self-motivated individual capable of working with a minimum of supervision in a dynamic team environment. Good communication skills and be capable to communicate in English with project team members, customers and suppliers.

Accessibility Accommodation

If you are a qualified individual with a disability, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access site as a result of your disability. You can request a reasonable accommodation by sending an e-mail to or by calling 1.727.803.7515 with the nature of your request and contact information. Please do not direct any other general employment related questions to this e-mail or phone number. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this e-mail address and/or phone number.

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