Senior BESS Solutions Engineer - System Integration

AES Corporation; Louisville (CO); On-site; USD 113,000 - 141,525; Full time

Job summary

AES Corporation in the United States is seeking a Senior Solutions Engineer - Systems Integration to own how BESS subsystems come together in the field, ensuring safe, reliable and high-performing operation across varied project environments.

You will lead end-to-end systems engineering for BESS products, develop system-level requirements, and coordinate with multiple OEMs and integrators, while mentoring junior engineers and supporting fielded systems and site deployments.

Qualifications

• Bachelor's degree in Electrical, Mechanical, Systems Eng or related discipline.
• 5-7 years of experience in BESS or complex electromechanical system development and integration.
• Familiarity with BESS standards such as UL 9540 / 9540A and applicable electrical codes.
• Experience across multiple OEMs and integrators.

Responsibilities

• Lead end-to-end systems engineering for BESS products from requirements definition through deployment and operation.
• Develop and maintain system-level requirements, interface control documents (ICDs), specifications, and compliance matrices.
• Integrate multiple subsystems including energy storage, PCS, safety, controls, and communications.
• Review and approve BESS electrical and controls designs, including schematics, wiring diagrams, BOMs, and integration documentation.
• Interpret and apply applicable BESS safety codes and standards (UL, IEC, NFPA, IFC, etc).
• Support prototype builds, certification testing, and production transition, ensuring system-level validation and qualification plans are aligned with applicable BESS codes, standards, and project requirements.
• Mentor junior engineers and contribute to continuous improvement of BESS integration practices.
• Serve as a technical authority for BESS system architecture and integration into utility-scale projects.
• Troubleshoot complex electrical, controls, and system-level issues on deployed BESS assets.
• Perform root cause analysis for field failures and drive corrective and preventive actions.
• Deliver technical guidance and training to internal and external teams related to BESS safety and emergency response.

Skills

Systems engineering

Electrical engineering

Power electronics

Troubleshooting

Travel readiness

Education

Bachelor's in Electrical/Mechanical/Systems Eng

Master's degree (preferred)

Tools

Battery test equipment

Electrical test equipment

Job description

AES Corporation in the United States is seeking a Senior Solutions Engineer - Systems Integration to own how BESS subsystems come together in the field, ensuring safe, reliable and high-performing operation across varied project environments.

You will lead end-to-end systems engineering for BESS products, develop system-level requirements, and coordinate with multiple OEMs and integrators, while mentoring junior engineers and supporting fielded systems and site deployments.