Principal Engineer in Transmission System Planning provides technical leadership, conducts complex system planning studies, elicits ideas for the solution of unique and/or complex engineering problems, and is accountable for major technical recommendations.

The Principal Engineer must have extensive experience with modeling and planning the bulk electric power system, exhibit strong technical skills to apply to long-range load forecasting, testing and planning, and leverage company and industry data to anticipate optimal design for infrastructure improvements, including AC transmission lines, battery storage, FACTS devices and Inverter-Based Resources (IBR). Studies will be conducted in adherence to corporate standards, and within NERC, NPCC and ISO-NE planning processes.

This role directs and prepares documents / testimony, written responses, and may testify for regulatory requirements and proceedings. Represents the Company on regional and national transmission committees transmission planning matters for NEPOOL, NERC, NPCC, and ISO-NE as needed. Locations: Hartford CT, Westwood MA, Manchester, NH (Hybrid) Responsibilities Lead / perform reliability and/or strategic scenario-based planning driven studies under a variety of existing and forecast system conditions, including voltage, thermal, PV, transfer limit, short circuit, electromagnetic transient and stability assessments

Use technical experience to contribute sound engineering input to develop robust, reliable, low-cost solutions

Exchange results and conduct critical review of data and assumptions from regional and industry stakeholders

Interface with ISO-NE, area transmission owners, and UG and OH engineering, Substation Technical, Distributed Energy Resource (DER), Operations, and other company departments to understand and mitigate electric system needs, challenges, and enable reliable future growth

Document and communicate results and recommendations as appropriate including data manipulation, report writing, and summary presentations

Collaborate with cross-functional groups to develop long-range planning criteria for integrating and enabling new technologies, including photovoltaic solar (PV), electric vehicles (EV), and battery storage

Actively represent the company on regional, national, and international committees and working groups such as NATF, IEEE, state public utility commissions

Self-sufficient and supports team by demonstrating accountability, consistency, and cooperation with all departments

Mentor and provide technical training to other engineers

Perform storm assignment as needed during times of inclement weather or adverse system conditions Qualifications MSEE, Power Systems, or similar required, a PhD in engineering, preferred

Professional Engineers License (PE) desirable

10+ years of specialized experience in transmission planning, software simulations and IBR Modeling

Advanced knowledge of electrical theory as applied to planning an electric power supply system

Detailed knowledge and experience producing results and conclusions using power system modeling and simulation software for steady state power flow, voltage, short circuit, stability, and electromagnetic transients

Advanced technical understanding of HVDC and inverter-based resource parameters and modeling, including extensive simulation experience in weak grid systems

Effective communicator with excellent interpersonal and presentation skills

Essential Software Proficiency includes PSSE, PSCAD, Microsoft Office 365; Word, Excel, Visio, SharePoint, OneDrive. Programming experience highly desirable: Python, VBA. Simulation software highly desirable: ASPEN Oneliner, EMTP (ATP), TARA, PI Processbook.

Experience required applying NERC TPL, NPCC, and ISO-NE planning procedures

Follows Corporate Codes of Conduct, Business Ethics, Environmental and Diversity Policies