Energy Storage Engineer Jobs (NOW HIRING)

Description & RequirementsAESC is looking to add an Energy Storage Solution Engineer to our team in the US.Full-TimeRemoteAbout AESC US LLCAESC is a global leader in the development and manufacturing of high-performance batteries for zero-emission electric vehicles and energy storage systems. Founded in Japan in 2007 and headquartered in Yokohama, AESC has been building manufacturing capabilities around the world in the U.S., U.K., Europe, Japan and China to serve key markets and leading customers locally for over 14 years. Today, AESC has become the partner of choice for the world's leading OEMs and energy storage providers in North America, Europe, and Asia.

Its advanced technology powers over one million electric vehicles and provides more than 15GWh of installed capacity for battery energy systems in over 60 countries.AESC is expanding its footprint in the United States with gigafactories in Kentucky, South Carolina, and Tennessee to meet the growing demand for EV and BESS batteries and strengthen its presence in the North American market. AESC's Tennessee gigafactory in Smyrna, which has been operational and supplying electric vehicle batteries for the Nissan LEAF since 2012, was retooled in 2025 and now produces batteries for Energy Storage Systems. The South Carolina gigafactory in Florence will supply next generation cells for BMW starting in 2026.

The Kentucky gigafactory in Bowling Green will supply high-performance batteries and components for other OEMs. AESC is committed to our local communities where it is making investments, creating jobs, and supporting local charities.About The RoleThe Senior Energy Storage Application Engineer leads technical solution development for utility-scale and commercial battery energy storage projects. This role serves as a primary technical interface with customers, sales, product, and engineering teams, owning system design, proposal strategy, and technical risk assessment from early engagement through contract award.

The position requires deep expertise in BESS architecture, grid integration, and industry standards, along with the ability to guide internal teams and influence external stakeholders.What You Will DoLead technical solution design for BESS projects, including system sizing, configuration optimization, and performance modelingServe as technical lead for RFP/RFQ responses, ensuring compliance with customer specifications and industry standardsOwn technical proposal packages including SLDs, layouts, performance guarantees, and compliance documentationProvide expert guidance on codes and standards (UL, NFPA, IEEE, CSA, local AHJ requirements)Interface directly with customers, EPCs, developers, and utilities to resolve technical questions and drive alignmentConduct technical risk analysis and develop mitigation strategies across design, performance, and scheduleMentor junior engineers and review technical deliverables for accuracy and qualityCollaborate with product and R&D teams to influence product roadmap based on market and project requirementsSupport contract negotiations on technical terms, guarantees, and performance specificationsRepresent the company at technical workshops, conferences, and industry meetingsWhat You NeedBachelor's or Master's degree in Electrical Engineering, Power Systems, Energy Engineering, or related field5–10+ years of experience in energy storage, power generation, grid systems, or utility-scale infrastructureStrong knowledge of BESS system architecture, including batteries, PCS/inverters, EMS, thermal systems, and controlsExperience supporting customer-facing technical discussions and proposalsAbility to interpret electrical drawings, specifications, and performance modelsExcellent communication, leadership, and stakeholder management skillsNice to HaveExperience supporting utility-scale storage projects (>100 MWh systems)Knowledge of grid-forming/grid-following controls and interconnection requirementsFamiliarity with UL 9540/9540A, NFPA 855, IEEE 1547/2800, and regional interconnection processesExperience negotiating technical contract terms and guaranteesProficiency in simulation or modeling tools (Python, MATLAB, PSCAD, ETAP, Homer, etc.)TravelOccasional domestic and international travel required.What We OfferWelcome to AESC, where you'll have the opportunity to tackle the world's most fascinating challenges alongside exceptionally talented individuals who are driven to make a difference. We strive to ensure that our employees are well taken care of, enabling them to focus on their work and contribute to our collective mission.Comprehensive compensation packages including a competitive salary and a rewarding bonus program.An inclusive and diverse work environment that fosters and encourages professional and personal development.Highly automated, clean, safe, and temperature-controlled production environmentMedical, Dental and Vision InsuranceHSA and Flexible Spending Accounts401K with company matchLife Insurance (Company paid and additional voluntary life available)Paid Vacation and 14 Paid HolidaysShort term and long-term disability coverage (Company Paid)Tuition reimbursementApplication ProcessEven if you don't meet every requirement, we encourage you to apply. Your application allows us to learn more about you and find potential fits within our team.

We strive to respond to all applicants promptly, though times may vary with submission volume. If you don't receive an immediate response, it doesn't reflect on your candidacy; we'll keep your application for future opportunities. Thank you for your patience and enthusiasm as we improve our application process.Equal Employment OpportunityAt AESC, we are committed to providing Equal Employment Opportunity (EEO) to all individuals.

We participate in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. Join us in our passion to design, manufacture, and sell high-performance products, contributing to a sustainable and zero-carbon emission future.Physical RequirementsAbility to sit for extended periods of time.Ability to read, write, speak, hear; stand; walk; use hands to finger, handle, or feel; reach and lift with hands and arms frequently throughout the day.Work EnvironmentCandidate must perform the essential duties and responsibilities with or without reasonable accommodation efficiently and accurately, and without causing significant safety threat to self or others. The statements made herein are intended to describe the general nature and level of work being performed by employees assigned to this job classification.

They are not intended to be construed as an exhaustive and inclusive list of all responsibilities, duties, and/or skills required of personnel so classified.Hiring is contingent upon successful completion of drug screen and background check. AESC US LLC is a drug-free workplace.J-18808-Ljbffr