Senior Electrical Engineer - Substations - Power and Energy

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 seeking a Substation Engineer to join our growing Power & Energy team. We are a full-service consulting firm supporting the design and execution of power generation and power delivery systems across a broad range of markets, including utility-scale wind, solar, BESS, substations, transmission, and distribution infrastructure. This role offers the opportunity to support impactful utility and renewable energy projects, work across multi-disciplinary teams, and contribute to both and/or substation physical design and protection & controls engineering.

What You’Ll Do

Support the design and engineering of high-voltage substations for utility, renewable, and power delivery projects Contribute to both physical substation design and Protection & Controls (P&C) engineering packages Lead or support engineering tasks from project kickoff through IFC/design package completion Coordinate closely with civil, structural, SCADA, relay, and project management teams to deliver integrated solutions Prepare technical deliverables including one-lines, three-lines, schematics, wiring diagrams, panel layouts, grounding plans, conduit/raceway layouts, cable schedules, bills of material, specifications, reports, and client-facing documents Provide engineering support during procurement, construction, commissioning, and startup phases Occasionally travel for field walkdowns, client meetings, factory acceptance testing, or construction support Focus Areas Physical Design Develop and support substation physical layout and design packages for high-voltage projects Prepare or review: General arrangement drawings Plan and elevation drawings Grounding layouts Conduit and cable routing plans Control building layouts Equipment connection details Foundation and equipment interface coordination Coordinate major equipment layouts including transformers, breakers, switches, bus systems, CCVTs/PTs, CTs, panels, batteries, and other station equipment Work closely with civil and structural teams to align grading, foundations, trenching, and equipment placement Support development of material lists, specifications, and installation details Protection & Controls (P&C) Develop and support P&C design packages including: One-line and three-line diagrams AC/DC schematics Wiring diagrams Relay panel layouts Interconnection diagrams Communication diagrams SCADA point lists Perform engineering calculations such as battery sizing, voltage drop, conduit fill, and cable sizing Support relay setting development, protection philosophies, and coordination with OEMs and system stakeholders Contribute to arc flash, coordination, and other protection-related studies as applicable

What We’Re Looking For

Bachelor’s Degree in Electrical Engineering from an ABET-accredited program 5+ years of experience in substation engineering, power delivery, utility, or renewable energy projects Experience supporting physical design, Protection & Controls, or both within substation projects Strong understanding of high-voltage substation systems and design practices Experience developing engineering deliverables such as one-lines, schematics, wiring diagrams, layouts, grounding plans, and design packages Familiarity with ap