Performance Engineer II

The Company

Cypress Creek Renewables is powering a sustainable future, one project at a time. We develop, finance, own, and operate utility‑scale and distributed solar and storage projects across the country. Fostering a diverse group of innovative thinkers from all backgrounds, Cypress people are drawn to work in a purpose‑driven organization. We hope you will join us.

Cypress Creek Renewables seeks a highly motivated candidate for an opportunity to work on a team responsible for the optimization of a fleet of 1.4+ GW of solar PV assets across the US. The Engineering team sits within the O&M department under the technical services group.

Our ideal candidate is an experienced Performance Engineer interested in a career in renewable energy. The individual will sit within our Engineering team, working to improve our existing data management infrastructure and initiatives within O&M. This team member will be a vital part of the digital transformation work being done in the fastest‑growing segment of the power sector.

• Monitor the long‑term performance and fleet health of one of the leading utility‑scale solar PV fleets in the country
• Develop new features and performance optimizations in our sensor‑processing Python codebase
• Develop data dashboards in Sigma that provide performance reports of our solar fleet for internal and external stakeholders
• Create performant views in Snowflake that surface sensor data and other fleet health metrics to BI dashboards
• Design and deploy dynamically scalable, available, fault‑tolerant, and reliable data processing pipelines
• Collaborate with individuals on the Dev Ops, Asset Management, Battery Optimization, and Operations Engineering teams
• Develop new and debug existing Flask applications that are used within the company
• Conduct in‑depth statistical analysis to evaluate ROI of various fleet health initiatives
• Analyzing production and weather data, working with our O&M providers to provide operational recommendations to improve underperforming sites

• Bachelor’s in Engineering, Data Science, or Computer Science
• 5+ years of experience developing software in Python
• Experience using Pandas (or Polars) for data analysis
• Experience working with databases (Postgres, MySQL), data warehouses (Snowflake, Redshift) or Databricks
• Experience writing SQL queries and creating performance enhancements to existing views
• Experience creating and designing ETL/ELT processes and workflows that organize incoming bulk data into a sematic/metrics layer. Experience or training in data management, data engineering, and/or exchange‑transfer‑load (ETL) software
• Experience or training in data visualization software such as Sigma or Power BI Familiar with statistical analysis techniques and tools for large datasets

• Familiarity with aspects of electrical maintenance, including DC systems, AC medium voltage systems, protection equipment, network communications and monitoring
• Familiarity with dbt (data build tool)
• Experience with the design and operation of photovoltaic systems
• Experience with system modeling utilizing PVlib, PVsyst, SAM, or other modeling software
• Experience with data acquisition systems
• Proficiency with MS Office Suite with an in‑depth focus of Excel

This role will be based out of our Durham, NC office following a hybrid work schedule of 2 remote days and 3 days in office. The ability to obtain unescorted access for NERC/CIP facilities is required.

Cypress Creek Renewables is an equal opportunity employer and considers all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status. We are committed to providing a workplace that is inclusive and values diversity, and we encourage candidates from all backgrounds to apply.