Power Systems Modeling Engineer

At ERCOT, our diverse and dynamic work environment provides a platform on which employees can work together to build the future of the Texas power grid and wholesale market utilizing the latest technologies and resources. We encourage you to join our talented, dedicated workforce to develop world-class solutions for today and tomorrow’s energy challenges while learning new skills and growing your career.

ERCOT is committed to fostering inclusion at all levels of our company. It is the cornerstone of our corporate values of accountability, leadership, innovation, trust, and expertise. We know that individuals with a wide variety of talents, ideas, and experiences propel the innovation that drives our success. An inclusive and diverse workforce strengthens us and allows for a collaborative environment to solve the challenges that face our industry today and in the future.

• Develops steady state and geomagnetic disturbance models with the Steady State Working Group (SSWG) using Model On Demand (MOD) and PSS/E
• Develops short circuit models with the System Protection Working Group (SPWG) using ASPEN One-liner
• Coordinates the model and contingency building processes for SSWG and SPWG, ensuring transmission service providers (TSPs) submit data, validates data submissions, resolves modeling issues, performs generation modeling and dispatching, and produces data products for the planning models
• Works with the SPWG and SSWG on data exchange methods and interfaces
• Develops new and updated modeling methodologies
• Develops methods to validate transmission models and modeling data

• Reviews generator and transmission equipment data submitted by resource entities and works with resource entities to correct invalid model data
• Models transmission generation sites and distributed generation resources in the ERCOT planning models using PSS/E and ASPEN
• Maintains and develops generation modeling tools written in Python and C#
• Models co-located Large Loads and reviews Large Load data in planning models

• Manages transmission system model software infrastructure and develops tools to assist in managing transmission models which includes database infrastructure, model data exchange interfaces, and data export formats
• Develops and maintains modeling software tools in Java, C#, Python to validate transmission network and generator data submissions using electrical engineering principles by doing data comparison and validity checks, and to automate and perform system modeling
• Develops rules to validate data submissions in operations and planning models using SQL
• Manage projects to upgrade the MOD applications to implement desired new functionality, reviews system patches, and helps administers servers

• Provides training and mentoring of members of the Engineering Development Program (EDP)
• Works closely with ERCOT Network Model Maintenance, Network Model Coordination, Resource Integration, System Operations, System Planning, Forward Markets, Client Services, and Grid Applications Development
• Reviews, drafts, and presents changes to the Protocols, Guides, procedures, training material for EDP and for Market Participants (MPs), and other supporting ERCOT documents related to system modeling
• Reviews changes to NERC standards to assess if changes to modeling methodologies are needed
• Works with the Network Data Support Working Group (NDSWG) members on operational model data exchange and transmission network model maintenance in NMMS in relation to planning model data

Bachelor’s degree in Electrical Engineering or related field, or a combination of education and experience that provides the applicant with knowledge equivalent to a major in such fields.

• Has experience with developing and maintaining software at least one of the following programming languages or equivalent:
  Python, Java, or C#

• Has experience with at least one of the following power system simulators or equivalent:
  Power World, PSS/E, ASPEN One-liner
• Has experience with transmission system protection and building…