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Staff Data Scientist

Geli

Geli

Data Science
United States · California, USA · Santa Clara, CA, USA
USD 160k-185k / year
Posted on Feb 28, 2026

Staff Data Scientist

Location: Santa Clara, CA, United States
Location Type: On-site
Salary Range: 160000 - 185000 USD Annually

Description

POSITION DESCRIPTION:

We are seeking an experienced Staff Data Scientist to join our Grid & Energy Analytics team within G&ES. In this role, you will lead the implementation of enterprise-grade microservices that support the real-time optimization and simulation of diverse energy assets participating in U.S. wholesale electricity markets including CAISO, ERCOT, NYISO, ISO-NE, and PJM.
This position will be preferably based out of our Santa Clara, San Francisco, Houston, or Seattle, or Atlanta offices.

RESPONSIBILITIES

  • Work closely with Technical Lead to improve microservices including optimization, simulation, and market emulation.
  • Drive microservice benchmarking, develop operations metrics, and continuously improve system performance using data-driven insights.
  • Own significant software components, including documentation and testing suites, training junior engineers where appropriate.
  • Contribute to the next-generation merchant optimization platform, advising on architectural choices, design & implementation.
  • Support the Product Manager and Technical Leads in interpreting market requirements into technical solutions, managing work scope, and ensuring timely delivery.
  • Serve as a subject matter expert for at least one U.S. ISO/RTO, and mentor engineering team on compliance, settlement, and operational nuances.
  • Provide Level 3 support for production issues and actively contribute to operational robustness and scalability.

REQUIRED QUALIFICATIONS

  • Bachelor’s or Master’s in Computer Science, Engineering, Energy Systems, or related field.
  • 7+ years of software development experience, ideally in energy, renewables, or grid-tech sectors.
  • Proven experience delivering production-grade software for DERs, energy storage, or grid market participation.
  • Strong foundation in wholesale market operations and optimization techniques.
  • Proficiency in Python, Kubernetes, microservices architecture, and working with cloud-native deployments.
  • Exceptional collaboration and communication skills, with the ability to lead cross-functional initiatives in fast-paced environments.
  • Experience interacting with real-time systems, equipment-level controls, or forecasting models for energy assets.
  • Travel may be required up to 10%, based on business needs.

PREFERRED QUALIFICATIONS

  • Ph.D. in Operations Research, Engineering, Energy Systems, or related field.
  • Deep knowledge of ISO/RTO market participation frameworks, especially CAISO, ERCOT, NYISO, ISO-NE, and PJM.
  • Hands-on experience with Azure cloud stack, including deployment pipelines and monitoring tools.
  • Experience in CI/CD pipelines, version control (Git), and modern testing frameworks.
  • Experience using Julia for optimization problem formulation.
Hanwha Q CELLS Technologies, Inc. a subsidiary of Hanwha Q CELLS, one of the world´s largest and most recognized photovoltaic manufacturers for its high-performance, high-quality solar cells and modules. It is headquartered in Seoul, South Korea (Global Executive HQ) Talheim, Germany (Technology & Innovation HQ) and Santa Clara, CA, USA (HW and SW Product Development HQ). Through its growing global business network spanning Europe, North America, Asia, South America, Africa, and the Middle East, the company provides excellent services and long-term partnerships to its customers in the utility, commercial, government, and residential markets. Hanwha Q CELLS is a flagship company of Hanwha Group, a FORTUNE Global 500 firm and a Top 7 business enterprise in South Korea.
PHYSICAL, MENTAL & ENVIRONMENTAL DEMANDS:
To comply with the Rehabilitation Act of 1973 the essential physical, mental and environmental requirements for this job are listed below. These are requirements normally expected to perform regular job duties. Incumbent must be able to successfully perform all of the functions of the job with or without reasonable accommodation.
Mobility
Standing
20% of time
Sitting
70% of time
Walking
10% of time
Strength
Pulling
up to 10 Pounds
Pushing
up to 10 Pounds
Carrying
up to 10 Pounds
Lifting
up to 10 Pounds
Dexterity (F = Frequently, O = Occasionally, N = Never)
Typing
F
Handling
F
Reaching
F
Agility (F = Frequently, O = Occasionally, N = Never)
Turning
F
Twisting
F
Bending
O
Crouching
O
Balancing
N
Climbing
N
Crawling
N
Kneeling
N

The salary range is required by the California Pay Transparency Act and may differ depending on the location of those candidates hired nationwide. Actual compensation is influenced by a wide array of factors including but not limited to, skill set, education, licenses and certifications, essential job duties and requirements, and the necessary experience relative to the job’s minimum qualifications.

*This target salary range is for CA positions only and should not be interpreted as an offer of compensation.

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