Staff Firmware Engineer

4 weeks ago

Christchurch, New Zealand Enphase Energy Full time

Our mission at Enphase Energy is to advance a sustainable future for all._
- Today, our intelligent microinverters, which turn sunlight into an affordable, safe, reliable, and scalable source of energy, work with virtually every solar panel made, and when paired with our award-winning smart battery technology, we engineer one of the industry's best-performing clean energy systems. To date, we have installed more than 42 million microinverters on more than 1.9 million homes across 130 countries._
- Like our customers, our innovative teams are also worldwide, making Enphase Energy a truly global company. We are one of the fastest growing and most dynamic energy companies in the world. Nimble and acutely focused on developing ground-breaking solar energy management technology, each of our teams has a shared goal of creating a carbon-free future._
- Do you want to help change the world? Learn more about the role:_

Enphase is seeking a highly effective and driven Staff Firmware Engineer to join our high performing CTO team based at our Research and Development Centre located in Wigram, Christchurch.

You will be working in a team of engineers who are tasked to design, enhance and test the future generations of our power converter and energy storage product range.

**Role/Duties**:

- Designing and implementing embedded software for real-time operation and control.
- Simulating new algorithms for autonomous microgrid power flow management.
- Developing unit and system test software.
- Validating algorithms using system simulation tools.
- Working with hardware engineers to test and troubleshoot prototype designs.
- Firmware testing.

**Requirements**:

- Expertise in C, C++, Python.
- Thorough understanding of bare metal embedded systems.
- Proven experience in multicore embedded processor environments, RTOSes.
- Exposure to communication stacks like CAN, Bluetooth, WiFi.
- Able to understand and implement digital signal processing (DSP) concepts in a microprocessor environment.
- Familiarity with evaluating CPU versus hardware processing requirements and trade-offs for cost-effective designs.
- Ability to troubleshoot firmware related issues within complex systems.
- Ability to test code and hardware both with and without external test equipment such as oscilloscopes, power meters, etc.
- Familiarity with software development processes. E.g. Agile, Structured, Object Oriented, etc.
- Familiarity with development tools such as GCC, GDB, Eclipse, GNU Make, etc.
- Familiarity with software code management tools such as GIT, Mercurial, etc.
- Ability to carry a design task from concept to implementation.
- Ability to document engineering requirements, document solutions, and test new firmware designs.

**Qualification and Previous Experience**:

- Eng in electrical, mechatronic, computing or equivalent.
- 8+ years experience in a similar role

**What would make you stand out?**
- Proven performance, in a similar role, in a Research and Development environment.
- Experience in writing interrupt services subroutines and device driver drivers in embedded software environment.
- Prior experience with Firmware architecting and designing for small to medium systems.
- Experience with power electronics systems.
- Experience with solar inverters.
- Experience with 32-bit ARM processors.
- Experience with UL1741, IEEE1547 and other solar-related standards.
- Familiarity with automated test scripts/setups, using Python.

**Employee Benefits**:

- Competitive salaries and quarterly bonuses
- Opportunity to work on state-of-the-art software and hardware systems
- Opportunities for career growth and development
- Long service leave
- Medical insurance cover for yourself and your immediate family members
- Annual merit reviews and increases
- Working in a well-equipped laboratory and facility

**About the Christchurch team**

The Enphase Energy New Zealand facility is in Wigram, Christchurch. We are a Research and Development Centre focused on the design and testing of our cornerstone product, the Microinverter. Enphase New Zealand has a team of around 130+ engineers and support staff. We also work closely with our Research and Development colleagues in California, Texas and Bangalore.

**About Enphase Energy**

Enphase Energy is a multi-national company with many global locations, sales and marketing, operations, and research and development.

**Find out more**:

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