Senior Electrical Engineer

Location: San Francisco, CA

Department: Hardware Engineering

Type: Full Time

Min. Experience: Experienced

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


About Fenix

Fenix International is a next-generation energy company.  Our mission is to transform our customers’ quality of life through disruptive innovation in energy and financial services. Our flagship product, ReadyPay Solar, is an expandable, lease-to-own solar home system financed through affordable instalments starting under $0.19 per day. We use real-time transaction data to create a unique credit score to finance power upgrades and other life-changing loans and open up a wider world of energy and financing for our customers.

To date, Fenix has sold over 170,000 ReadyPay Power systems in Uganda and Zambia, bringing clean, reliable power for lights, phones, radios, TV and much more to over one million people.  In 2017, Fenix announced that it was joining forces with ENGIE, one of the world's largest energy companies and a leader in the move to renewable, decentralised and digital energy.  ENGIE will make significant commercial investments in Fenix to accelerate the path to our mission. Fenix will operate as a distinct and autonomous company within the ENGIE group in order to retain our unrelenting focus on innovation, smart iterative design, strong team culture and exceptional customer experience. Together, Fenix and ENGIE plan to bring life-changing energy and financial services to tens of millions of off-grid customers and to make universal access to modern energy a reality across Africa.


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.
  • Define and execute engineering validation tests.
  • 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 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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