Lead Data Engineer

About FlexGen
Based in Durham, N.C., FlexGen is a leading integration services and software technology provider for utility-scale energy storage solutions in the United States and globally. FlexGen designs and integrates storage solutions and the software platform that is enabling today’s energy transition. Leveraging its best-in-class energy management software, digital controls, and advanced analytics, FlexGen delivers energy storage projects integrated with traditional and renewable power generation globally. FlexGen’s products and services help improve the reliability and sustainability of the power grid. The company’s clients and partners include the most technically and commercially demanding developers, utilities, renewable energy, electric cooperatives, and industrial companies in the world.

Position Description
FlexGen makes software that makes a difference in the world. With HybridOS, our customers can put more battery storage on to the grid quicker and easier and then keep it running effectively. Traditional energy management systems are often custom developed from the ground up each time a customer builds a project. FlexGen applies modern technologies and product development principles to deliver software that gets the job done, is easy to learn, and a joy to use.

We are looking for an experienced Data Engineer to architect, implement, and maintain our diverse data infrastructure. The ideal candidate will have a strong background in cloud services and experience working with large-scale data processing systems. Responsibilities include:

• Architecting, troubleshooting, and maintaining a scalable, reliable, and cost-effective data infrastructure for large timeseries datasets.
• Ensuring data quality and integrity through continuous validation, monitoring, and anomaly detection.
• Optimizing data processing performance using best practices (data partitioning, compression, caching).
• Developing and maintaining data catalog and schema management systems for data discovery and governance.
• Collaborating to establish proper software development lifecycle (SDLC) processes (version control, code reviews, continuous integration).
• Mentoring junior team members, fostering a culture of collaboration and continuous learning.

The technologies you may use for this role include:

• On-premises databases: InfluxDB, PostgreSQL
• Data formats: Parquet
• Message brokers: MQTT
• AWS services: Lambda, Glue, Timestream, RDS, Data Lake
• Programming Languages: SQL, Python, Go, Rust
• ETL/ELT processes, data modeling, and warehousing concepts

Position Requirements
Bachelor's or Master's degree in Computer Science, Engineering, or a related field with 5+ years of experience in data engineering, preferably in a cloud-based environment (AWS experience preferred). Required qualifications include:

• Strong understanding of data modeling, data warehousing, and ETL concepts.
• Experience with streaming and/or timeseries data.
• Expertise in designing and implementing efficient data models.

FlexGen provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, FlexGen complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. FlexGen expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. To the extent permitted by law, employees are subject to periodic random drug testing, and post-accident and reasonable suspicion drug and alcohol testing.