Senior Electrical Engineer

Location: San Francisco, CA

Department: Engineering

Type: Full Time

Min. Experience: Experienced

Company: Fenix International Inc.
Location: San Francisco, CA
Application Deadline: Rolling
Position: Full-time
Compensation: Competitive salary, equity & benefits


About Fenix

Founded in 2009, Fenix International is a venture-backed, for-profit renewable energy company with offices in Silicon Valley and East Africa.  Fenix operates on the front line of renewable energy and mobile financial services in emerging markets, and our mission is to deliver life-changing technology to the 1.3 billion people who live without power.

Our flagship product is the ReadyPay Solar Power System - one of the world’s most affordable and accessible sources of power to those living off-grid. Providing phone charging, lights, radios, and even TVs, ReadyPay is available from just $0.40 per-day and financed over 18-months via Mobile Money platforms. We pride ourselves on generating financing plans that are flexible, inclusive and affordable to ensure the greatest reach and impact.

ReadyPay was launched in Uganda in early 2014 and the business has grown exceptionally during the past year, exceeding all targets and growth ambitions. We are now poised to scale and revolutionize access to electricity and financial services.


Job Description

Fenix International is looking for a talented self-starting electrical engineer to join the Fenix team in designing new products and enhancing our current products. The ideal candidate would have 4+ years experience as an electrical engineer working on a consumer product that has achieved medium or high volume production. In this role you would be the lead electrical engineer on Fenix’s new product development team. You would work closely with product managers and firmware engineers to define firmware features and requirements. Optionally, this position may include a direct firmware development component if of interest to the candidate.


Key Responsibilities

  • Develop electrical architectures for smart solar rechargeable battery systems.
  • Create mixed-signal schematics from the ground up for new products.
  • Layout or work with team to layout PCBs and procure prototypes.
  • Bring-up and bench verify initial prototypes.
  • Work with firmware engineers to specify firmware requirements and validate system.
  • Define test procedures in partnership with manufacturing team.
  • Support creation of field service protocols and procedures. 


Required Skills & Experience

  • Required Skills & Experience
  • Ideally 4+ years experience as an electrical engineer and experience working with a product in volume production.
  • Embedded development experience (microcontrollers, SPI, UART, I2C, USB).
  • Design and implementation experience with DC switching regulators.
  • Solid understanding of analog and mixed signal design principles.
  • Reasonable EE breadth and expertise (op-amps, parasitics, PCB design, high speed design, etc.).
  • Experience or at least a working knowledge of embedded firmware development.
  • BS or greater in EE or similar discipline.
  • Excellent communication skills.


Desired Skills

  • Familiarity with low power circuit design and battery charging.
  • Proficiency in Eagle or Altium schematic capture and circuit board layout.
  • Programming skills in high level object oriented languages (Java, Python, etc).
  • Passion for designing low-cost design for developing world products.
  • Strong C programming ability, and prior work with microcontrollers.


To Apply

Please submit your resume and cover letter through the job posting at

Fenix offers a competitive salary, equity and a fun work environment. We recognize the value of diversity in our workforce, and encourage all qualified candidates to apply. We are not able to sponsor H1B visas at this time. We thank all candidates who choose to apply, however, only those selected for a further interview will be contacted.

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