Sustaining Hardware Engineer
Enphase Energy - Petaluma, CA

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Enphase Energy is the fastest growing inverter company in the world. By combining the power of solar energy and the proven advantages of communications technology, Enphase Energy makes solar power systems productive, reliable, smart and safe - increasing the energy harvest of solar panels by up to 25 percent. Our microinverter system is profoundly changing the way solar systems function, and as a result, changing the solar industry itself.

As we continue our exciting growth, we are building teams with highly talented individual contributors and leaders who design, develop, and manufacture next generation solar technologies. Our work environment is fast-paced, fun, and full of exciting new projects.

Job Description:
Enphase Energy is seeking a Sustaining Hardware Engineer with experience in the troubleshooting, testing and design of analog and digital systems to support Enphase’s state of the art Solar Microinverters in production today. The ideal candidate should be an experienced analog or power engineer wanting to apply his or her engineering skills to support high performance circuits for a broad range of applications.

The Sustaining Hardware Engineer will be part of a team whose primary responsibility will be testing and analyzing field and production failures that are too complex for the RMA or Mfg teams to diagnose. The Sustaining team will also be responsible for testing alternate suppliers for components on shipping designs in an effort to reduce costs or improve performance. The sustaining team members will also have the opportunity to participate in the design and qualification of new products.

Typical duties include; developing test plans, component qualification criteria, designing circuits, schematic capture, simulation, and most importantly, validating the design in the lab, under environmental stress and in the field. You will interact with cross-functional teams such as; PCB Designers, Mechanical Engineers, Product Verification teams, Marketing, Manufacturing, and Program Management.

Responsibilities:
Support of existing microinverter designs both in production and in the field

Troubleshoot complex field failures and production failures

Qualify alternate sources for parts on the AVL to reduce costs or maintain supply availability

Redesign circuitry to support EOL components or to improve performance

Design, Document, and Validate designs

Work with compliance groups to ensure successful completion of certification process

Write Test Plans, Validation Reports and Engineering Requirements

Effectively collaborate with cross-functional teams

Requirements:
Experience with test development, circuit validation, and debug

Extensive experience with Analog Circuit design and simulation

Experience with OP-AMPs, PLLs, analog filters, ADCs, DACs, Power Amplifiers, Voltage Regulators

Knowledge of EMI; debug, contributors and avoidance

Experience with full product development cycle with multiple products

Able to simulate the design using tools such as Spice, MATLAB, or equivalent

Good communication skills both verbally and written

Quantifiable experience with schematic capture, PCB layout, and constraint management

Experience with power supplies, inverters, or the solar industry is a definite plus

BSEE or MSEE

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