BESS Systems Integration Engineer

The AES Corporation; Louisville (CO); On-site; USD 94,000 - 113,000; Full time

Job summary

The AES Corporation in the United States seeks a Solutions Engineer – Systems Integration to contribute to electrical, controls, and mechanical integration of battery energy storage systems (BESS) for utility-scale projects. You will work with senior engineers and cross-functional partners to support BESS products from requirements development through installation and field support.

This role emphasizes applying established engineering methods, developing technical judgment, and owning defined

Qualifications

• Bachelor’s degree in Electrical, Mechanical, or Systems Engineering.
• 2–4 years of relevant engineering experience in BESS, renewable energy, power systems, controls, product development, systems integration, or complex electromechanical equipment.
• Foundational knowledge of electrical systems, controls, communications, power electronics, and system interfaces.
• Ability to read and review schematics, wiring diagrams, specifications, technical drawings, and bills of materials.
• Experience supporting engineering analysis, testing, commissioning, troubleshooting, or technical documentation.
• Working knowledge of structured problem solving, requirements management, verification, and configuration control.
• Ability to organize technical work, manage assigned deliverables, and communicate effectively with internal teams, suppliers, and contractors.
• Willingness to travel to factories and project sites, approximately 25%.

Responsibilities

• Contribute to systems engineering activities for BESS products from requirements definition through deployment and operation.
• Develop and maintain assigned system requirements, interface control documents (ICDs), specifications, compliance matrices, and other integration documentation.
• Support integration of energy storage, power conversion systems (PCS), safety systems, controls, communications, and related balance-of-system components.
• Review electrical and controls designs, schematics, wiring diagrams, bills of materials (BOMs), and technical submittals; document findings and coordinate resolution with responsible parties.
• Apply relevant BESS codes, standards, and project requirements with guidance from senior engineers and subject matter experts.
• Support prototype builds, design verification, certification testing, manufacturing transition, and system‑level validation activities.
• Analyze test and field data, document results, and recommend practical engineering actions within the assigned scope.
• Contribute to lessons learned, standards work, RCAs, design tools, and continuous improvement of BESS design and integration practices.
• Perform vendor evaluations for BESS BOS component suppliers.

Skills

Schematics reading

Systems integration

Documentation

Team communication

Travel 25%

Structured problem solving

Education

Bachelor’s degree in Electrical/Mechanical/Systems Engineering

Tools

2D CAD

3D CAD

Job description

The AES Corporation in the United States seeks a Solutions Engineer – Systems Integration to contribute to electrical, controls, and mechanical integration of battery energy storage systems (BESS) for utility-scale projects. You will work with senior engineers and cross-functional partners to support BESS products from requirements development through installation and field support.

This role emphasizes applying established engineering methods, developing technical judgment, and owning defined