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Who We Are Atwell, LLC is a bold leader in the consulting, engineering, and construction services industry, delivering a broad range of creative solutions to clients in the real estate & land development, and energy markets. We have a strong national presence and a diverse, award-winning project portfolio. Atwell is a privately owned company, with 2,000+ passionate team members across 75+ locations and growing! Atwell, LLC  is a proud recipient of the following 2025  awards: Ten consecutive years in a row as a “Best Place to Work” by Zweig Group (#11) Recognized as #70 in the ENR Top 500 Design Firms, ranked in every region Recognized in Crain's “Fast 50” as one of the fastest-growing companies (#14) Recognized as the 2025 ENR Design Firm of the year for the Southeastern US   Atwell is growing our Power & Energy team, and we are looking for a Senior Electrical Engineer to support our expanding Interconnection group. This is a strong opportunity to work on utility-scale solar, wind, BESS, substations, transmission, and other high-voltage power projects across the country. In this role, you will support and lead a variety of interconnection and power system studies for renewable energy and grid infrastructure projects, while partnering closely with internal engineering teams and clients to deliver technically sound, high-quality solutions. This position is ideal for someone who enjoys deep technical work, client interaction, and contributing to the integration of inverter-based resources onto the grid. What You’ll Be Doing Lead and support interconnection and power system studies for utility-scale renewable and high-voltage power projects Perform and review studies in PSSE, PSCAD, PSLF, ASPEN, PowerWorld, ETAP, SKM, CYME, EMTP, or similar tools Conduct a range of analyses including: Load flow Short circuit Dynamic analysis Transient studies Renewable model tuning Fault analysis Voltage and frequency ride-through evaluations Grid disturbance and system performance assessments Develop, review, and refine power system and renewable plant models for interconnection applications Support model validation, benchmarking, quality checks, and parameter tuning to align with utility, ISO/RTO, and regional performance requirements Evaluate and support projects across solar, wind, BESS, substations, transmission, and distribution Prepare and review technical deliverables including study reports, design criteria, specifications, study documentation, scopes of work, and other engineering packages Participate in client meetings, technical discussions, occasional site visits, and field walkdowns Support proposal efforts, technical approach development, and estimating for new project opportunities Ensure studies and engineering deliverables align with applicable codes, standards, utility requirements, and internal quality expectations Stay current with regulatory changes, grid codes, ISO/RTO requirements, and evolving standards related to interconnections and inverter-based resources Contribute to the improvement of internal workflows, tools, and methods that help streamline studies, model checks, and engineering efficiency What We’re Looking For Bachelor’s Degree in Electrical Engineering from an ABET-accredited program Strong experience supporting interconnection studies and power systems analysis Experience with tools such as PSSE, PSCAD, PSLF, ASPEN, PowerWorld, ETAP, SKM, CYME, EMTP, or similar Experience performing dynamic studies, model development, or renewable system analysis for high-voltage or utility-scale projects Strong understanding of power system behavior, inverter-based resources, and grid interconnection requirements Familiarity with ISO/RTO processes such as ERCOT, MISO, SPP, PJM, CAISO, or similar is a plus Understanding of applicable standards such as NERC PRC/MOD, IEEE 2800,