NRG Energy · 9 hours ago
Sr Data Engineer
New Jersey, United States
Full-time
Onsite
Mid, Senior Level
3+ years expNRG Energy is a leading smart home company dedicated to redefining the home experience with intelligent products and services. The role involves building and scaling data pipelines and products that transform raw device telemetry into reliable, actionable intelligence for home energy optimization.
EnergySolarWind Energy
Responsibilities
Design and maintain scalable ETL/ELT pipelines that process time-series signals from thermostats, weather, schedules, and device analytics
Build verified HVAC and Energy data tables (e.g., Run & Drift, Thermal Coefficients, Efficiency Drift) to serve as trusted sources for analytics, modeling, and automation
Refactor legacy Scala/Akka processes into PySpark or Databricks jobs, improving observability, testing, and CI/CD coverage for upstream feeds
Manage data sourced from Mongo-based telemetry, Kafka or Pub/Sub streams, and cloud storage (GCS) to ensure reliability and consistency
Collaborate with data scientists to generate and operationalize features supporting HVAC runtime prediction, anomaly detection, and DR optimization
Promote best practices for data lineage, schema documentation, and change control to prevent regressions in production systems
Qualification
Required
3+ years of data engineering or backend data systems experience
Strong proficiency in Python, SQL, and distributed data frameworks (PySpark, Databricks)
Hands-on experience with GCP, Kafka/Pub-Sub, and data lake architecture
Ability to read and modernize legacy Scala/Akka codebases
Proven track record building production-grade pipelines that deliver analytics-ready datasets
Strong problem-solving skills in ambiguous, under-documented environments
Preferred
Experience with ML platforms and feature engineering workflows (e.g. Vertex AI)
AI/ML application experience (LLMs, computer vision, energy forecasting models)
Background in IoT applications, protocols, and telemetry
Familiarity with specialized databases:
Graph databases (e.g. Neo4j)
Vector databases (e.g. Pinecone)
Experience with data orchestration tools (e.g. Airflow)
Background in Demand Response or home energy automation
Experience implementing data quality metrics, observability, and alerting
Track record of significant cost optimization or performance improvements in data systems
Company
NRG Energy
NRG Energy is an integrated power generation and supply firm that offers offsite solar, wind power, and smart grid retail services.
10001+ employees
H1B Sponsorship
NRG Energy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (31)
2024 (19)
2023 (25)
2022 (14)
2021 (9)
2020 (25)
Funding
Current Stage
Public CompanyTotal Funding
$6.99BKey Investors
Public Utility Commission of Texas
2025-09-24Post Ipo Debt· $4.9B
2025-08-04Post Ipo Debt· $216M
2024-10-16Post Ipo Debt· $1.88B
Leadership Team
Lawrence S Coben
President, CEO and Chair of the Board
Anne C Schaumburg
Lead Independent Director
Recent News
2026-02-06
2026-02-04
Company data provided by crunchbase