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EVERSOURCE Logo EVERSOURCE · Energy

Senior Engineer, Transmission System Planning

United States, Manchester 125680.00 - 139640.00 USD / Year · Job Posted January 03, 2026
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Job Description

As an Engineer at Eversource, you'll collaborate with industry leaders and play a key role in driving the transition from a fossil fuel-powered grid to a cleaner, more sustainable energy future. You'll work on cutting-edge projects involving large-scale solar photovoltaics, offshore wind, and electric energy storage. Eversource offers unique opportunities to engage with multiple engineering disciplines focused on the design, development, and maintenance of power distribution systems, substations, and transmission lines—helping shape the next generation of the electric grid.

Job Responsibility

  • Perform large-scale integration studies (DER, Data Centers, and more) across CT, MA, and NH
  • Conduct and manage comprehensive power system impact studies (Feasibility, System Impact Studies) for utility-scale DER projects (Solar PV, Wind, BESS) and large Data Center interconnections
  • Responsible to perform detailed analysis using industry-standard tools (e.g., PSS®E, PSCAD, TARA, Synergi) including: Validate the inverter models to ensure they meet relevant industry standards, Steady-State Analysis (Power Flow, Short Circuit, Voltage Stability, Thermal Loading), Dynamic Analysis (Transient Stability, Voltage Ride-Through, Frequency Response), Electromagnetic Transient (EMT) Studies for inverter-based resources (IBR) and complex interactions
  • DER & IBR Focus: Model and analyze the behavior and grid impact of inverter-based resources (solar, wind, BESS), including compliance with modern grid codes
  • Participates with other utilities and the planning staff of the Independent System Operator (ISO) in the preparation of regional transmission expansion studies
  • Identify potential grid issues and develop technically sound and cost-effective mitigation solutions
  • Serve as the primary technical point of contact for utilities (ISOs, Transmission Owners, Distribution Utilities) throughout the interconnection process
  • Prepare clear, concise, and comprehensive technical reports, study results, and presentations for internal stakeholders and external clients/utilities
  • Provide technical guidance and mentorship to junior engineers
  • Contribute to the development of internal study methodologies, standards, and tools
  • Maintain deep understanding of relevant interconnection procedures (FERC, NERC, state-specific), technical standards (NERC PRC, TPL, IEEE), and evolving grid requirements

Requirements

  • Bachelor’s degree in Engineering, Electrical preferred
  • Advanced degree preferred
  • Minimum of 5 years of experience in power system engineering
  • Professional Engineer’s License preferred
  • Demonstrated skill and experience in power systems analysis
  • Experience with interconnection applications for large industrial loads beyond Data Centers
  • Experience with TARA, PSSE, PSCAD
  • Experience with scripting for automation (Python) within power system analysis tools
  • Technical understanding of the parameters and functions of the operation of the power delivery system and power system theory
  • Skill in working cross functionally

What we offer

  • Highly competitive total rewards package
  • Potential incentive
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