Staff Engineer, Firmware

Job description

Enphase Energy is a global energy technology company and leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, Enphase transformed the solar industry with our revolutionary microinverter technology, which turns sunlight into a safe, reliable, resilient, and scalable source of energy to power our lives. Today, the Enphase Energy System helps people make, use, save, and sell their own power. Enphase is also one of the fastest growing and innovative clean energy companies in the world, with approximately 68 million products installed across more than 145 countries. We are building teams that are designing, developing, and manufacturing next-generation energy technologies and our work environment is fast-paced, fun and full of exciting new projects. If you are passionate about advancing a more sustainable future, this is the perfect time to join Enphase! About the role: Enphase is seeking a highly effective and driven Staff Firmware Engineer to join our high-performing Research and Development Center located in Middleton, Christchurch. You will be working in a team of engineers who are tasked to design, enhance and test the latest generation of our power converter and energy storage product range. What you will do: 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. Who you are and what you bring: Expertise in C++, C, and Assembly for real-time applications. 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: B.Eng in electrical, mechatronic, computing or equivalent. 5 + years related experience What would make you stand out? Experience implementing systems compliant to JEM1498 or other Japanese standards Proven performance, in a similar role, in a Research and Development environment. Exposure to interrupt services and drivers in embedded software control. Experience with power electronics systems. Experience with solar inverters. Experience with 32-bit ARM processors and 8-bit 8051 processors. Experience with UL1741, IEEE1547 and other solar-related standards. Familiarity with automated test scripts/setups, using Python. About the Christchurch team Enphase Energy New Zealand is located 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 plus engineers and support staff. About Enphase Energy Enphase Energy is a multi-national company with many global locations, sales and marketing, operations, research and development facilities. Find out more: Employee Benefits: Stock as part of your total compensation. Bonus plan. Well-being and insurance benefits for you and your family. Annual performance reviews Opportunities for career growth and development Working in a well-equipped laboratory and facility Visa Requirements: Enphase Energy NZ is currently only considering candidates for this role with New Zealand permanent residency or citizenship.