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Power Systems Modeling Engineer II/III/Sr.

Electric Reliability Council of Texas

Location:
Position Type:
Rqd Education:
Rqd Experience: 5+ years
Date Posted: December 8, 2022
Reference Code: R1248
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 diversity and inclusion at all levels of our company. It is the cornerstone of our corporate values of accountability, leadership, innovation, trust, and expertise. We accept and celebrate those that join us and recognize that individuals with a wide variety of talents, ideas, and experiences propel the innovation that drives our success. A diverse and inclusive workforce strengthens us and allows for a collaborative environment to solve the challenges that face our industry today and in the future.

ERCOT offers the flexibility to work both in and out of the office within the state of Texas, providing our employees with an enhanced work life balance.

As a power systems modeling engineer you will develop transmission system models used in both real time operations and in transmission planning. These models support the delivery of power to everyone in the ERCOT grid and the planning of billions of dollars of transmission system projects. You will be joining a team that performs industry leading power systems modeling and model management. In power systems modeling you will develop operational models, steady state, short-circuit, and geomagnetic disturbance planning models in conjunction with ERCOT transmission service providers. You will also help improve system modeling processes and develop software tools to manage and validate model data. Good communication skills will be needed as this role will involve working with numerous internal and external stakeholders to build transmission system models.

Job Duties and Responsibilities
  • Model Development
    • Develops operations models from the Network Model Management System (NMMS)
    • Works with the Network Data Support Working Group (NDSWG) members on operational model data exchange and transmission network model maintenance in NMMS
    • 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 Oneliner
    • 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 transmission network model maintenance methodologies
  • Generation Modeling
    • 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 Java and Python
  • Modeling Application Support
    • 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, to validate transmission network data submissions using electrical engineering principles by doing data comparison and validity checks
    • Develops rules to validate data submissions in operations and planning models using SQL
    • Manage projects to upgrade the NMMS and MOD applications to implement desired new functionality, reviews system patches, and helps administers servers
  • Other Responsibilities
    • 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 relative to modeling
    • Reviews changes to NERC standards to assess if changes to modeling methodologies are needed
Qualifications:

Education:
  • 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.
Preferred Skills:
  • Has experience with at least one of the following programming languages or equivalent: Python, Java, C#, VB, Excel VBA
  • Has experience with at least one of the following power system simulators or equivalent: PowerWorld, PSS/E, ASPEN Oneliner
  • Experience with SQL is preferred but not required
  • Experience with software tools like Git/BitBucket and Jira is preferred but not required
  • Strong communication skills and the ability to work effectively in cross discipline teams
Work Experience

Engineer 2
  • Minimum 1 to 2 years (in excess of degree requirements stated above) of progressively responsible experience as a power system engineer or similar type role.
  • Experience within the electric utility industry preferred.
Engineer 3 -
  • Minimum 3 years (in excess of degree requirements stated above) of progressively responsible experience as a power system engineer or similar type role.
  • Experience within the electric utility industry preferred.
Senior Engineer -
  • Minimum 5 years (in excess of degree requirements stated above) of progressively responsible experience as a power system engineer or similar type role within the electric utility industry.
WORK LOCATION:
  • Employees may be required to be on-site at least twice per week, or more as needed based on business needs in Taylor, TX.
  • Work arrangements are subject to business needs and are subject to change accordingly.
  • Employees that are required on-site during tight grid conditions or emergency grid operations
There is one position available. The level is open to a Level 2, Level 3, Senior Level or Lead engineering depending on the candidates qualifications that is identified.

The foregoing description reflects the minimum qualifications and the essential functions of the position that must be performed proficiently with or without reasonable accommodation for individuals with disabilities. It is not an exhaustive list of the duties expected to be performed, and management may, at its discretion, revise or require that other or different tasks be performed as assigned. This job description is not intended to create a contract of employment with ERCOT. Both ERCOT and the employee may exercise their employment-at-will rights at any time.

#LI-Hybrid, #LI-AK1
About this Employer

The Electric Reliability Council of Texas (ERCOT) manages the flow of electric power to more than 26 million Texas customers -- representing about 90 percent of the state’s electric load. As the independent system operator for the region, ERCOT schedules power on an electric grid that connects more than 52,700+ miles of transmission lines and 1,030+ generation units, including PUNs. It also performs financial settlement for the competitive wholesale bulk-power market and administers retail switching for 8 million premises in competitive choice areas. ERCOT is a membership-based 501(c)(4) nonprofit corporation, governed by a board of directors and subject to oversight by the Public Utility Commission of Texas and the Texas Legislature. Its members include consumers, cooperatives, generators, power marketers, retail electric providers, investor-owned electric utilities, transmission and distribution providers and municipally owned electric utilities.