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Sr. Application Engineer - BESS

Department: BESS - Application Engineering

Location: Duluth, GA

About the role:

WEG is seeking a highly skilled Sr. Application Engineer to join our growing Battery Energy Storage Systems (BESS) team. In this role, you will serve as a technical expert and trusted partner to Sales, Project Execution, and Customers throughout the BESS solution development lifecycle. You will help design, size, configure, and support energy storage solutions that meet customer requirements, grid interconnection needs, performance targets, and commercial objectives.

This position is ideal for an electrical engineer who combines deep technical knowledge of battery storage systems with strong customer-facing communication skills and the ability to translate complex technical concepts into practical, value-driven solutions.

Primary Responsibilities:

• Lead technical support for pre-sales activities related to utility-scale and commercial/industrial battery energy storage projects. Ensure smooth transition of technical information, supplier relationships, and customer interactions to project execution team as part of post-sale activities.

• Develop system configurations, preliminary designs, and technical proposals based on customer requirements, site conditions, and project constraints.

• Perform system sizing, energy modeling, and performance analysis to support solution optimization and commercial bids.

• Collaborate with Sales, Engineering, Project Management, and Service teams to ensure proposed solutions are technically feasible and aligned with business goals.

• Support customer meetings, technical presentations, and proposal reviews, serving as a subject matter expert on BESS architecture, controls, safety, and integration.

• Review and interpret single-line diagrams, site layouts, equipment specifications, and interconnection requirements.

• Assist with technical due diligence, risk identification, and mitigation strategies for project opportunities.

• Coordinate with internal and external stakeholders to resolve technical issues during project development, deployment, commissioning, and operations.

• Contribute to the development of standard engineering tools, templates, and best practices to improve proposal quality and turnaround time.

• Stay current on industry standards, codes, regulations, and emerging technologies related to battery storage, power conversion systems, and grid integration.

Education:

• Bachelor-s degree in electrical engineering is preferred. A degree in a related field from a 4-year college or university, or equivalent related work experience will also be considered.

Knowledge/Training

• Strong understanding of utility-scale BESS architecture, including batteries, inverters, transformers, switchgear, controls, and protection systems.

• Experience supporting customer-facing technical sales or project development activities.

• Ability to analyze technical requirements and translate them into practical system solutions.

• Proficiency with engineering drawings, technical specifications, and performance modeling tools.

• Excellent written and verbal communication skills, with the ability to present to technical and non-technical audiences.

• Strong organizational skills and ability to manage multiple priorities in a fast-paced environment.

Experience:

• 5+ years of experience in application engineering, systems engineering, power systems, renewable energy, or battery storage.

• Experience with grid interconnection studies, SCADA, EMS, PPC, or utility coordination.

• Familiarity with UL, IEEE, NEC, NFPA 855, and other applicable standards and codes.

• Knowledge of energy markets, ancillary services, and utility-scale project economics.

About WEG Electric Corp.

WEG is the largest industrial electric motor manufacturer in the Americas and one of the largest manufacturers of electric motors in the world producing more than 21 million units annually. Founded in 1961, WEG operates mainly in the sector of capital goods, having five main businesses: Motors, Energy, Automation, Coatings Transmission & Distribution, providing global solutions for electric motors, variable frequency drives, soft starters, controls, panels, transformers, and generators. The US corporate office is located in Duluth, GA with manufacturing units in Minnesota, Indiana and Missouri with over 30 thousand employees worldwide. Visit our website to learn more: www.weg.net

We offer a pleasant work environment, competitive compensation and full benefits package. To Apply: All candidates must submit an updated resume and complete our application in order to be considered for this position. Must be authorized to work in the United States. WEG does not offer visa sponsorship for this role.

We are proud to be an Equal Opportunity/Affirmative Action employer. Qualified applicants will receive consideration for employment without regard to race, sex, disability, veteran, or other protected status.