Senior Electrical Engineer - BESS

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 About the Position As a senior level Electrical Engineer in the BESS group, you will be responsible for performing engineering design and analysis under the responsible charge of a Professional Engineer. You will be a part of an integrated design team and are responsible for coordinating with team members to meet project schedules and deliverables on time and within the defined budget. This opportunity is available to both local / in-office (Lakewood, CO) and full-time remote candidates. Essential Responsibilities Collaborates with multi-disciplinary engineering teams to perform and review detailed physical and electrical design and engineering for all aspects of battery energy storage systems (BESS). Typical design products might include BESS equipment general arrangements, single line diagrams, elevations, connection details, bill of materials, construction details, grounding details, conduit plans, illumination plans, etc. Collaborates with project management team to ensure projects are executed in accordance with budget and schedule. Prepares and reviews computer-based models and performs power system studies on utility scale BESS projects, as required. Typical electrical power system studies might include BESS equipment sizing, specification, and selection, load flow, reactive power, ampacity, short circuit, grounding, illumination, arc flash, harmonics, system loss, etc. Writes and reviews material, equipment, and construction specifications. Reviews spec sheets and submittals for conformance with specifications and design. Prepares and reviews a variety of documents and reports associated with projects including cost estimates, budget reports, and studies. Provides field assistance, troubleshooting, and observation reports, as required. Reviews the work of Designers, Drafters, and Field Service Personnel for general quality and accuracy, as required. Maintains a strong understanding and comprehension of applicable Codes and Standards. Maintains strong and responsive Company-Client relationships, particularly for communicatio