Senior Solutions Engineer – Systems Integration

AES US • Louisville, CO

1d • Onsite

About The Position

The AES Corporation (NYSE: AES), a Fortune 500 company, is a leader in the global energy revolution, operating in 14 countries and committed to shaping the future through innovation and collaboration. Recognized by Fast Company as one of the Top Ten Best Workplaces for Innovators in 2022 and certified as a Great Place to Work, AES is dedicated to its people and groundbreaking ideas. With a global ranking of #1 in renewable energy sales to corporations and $12.7B in revenues in 2023, AES provides electricity to 25 million customers worldwide and is committed to meeting the Paris Agreement's goals by 2050, including innovative solutions like 24/7 carbon-free energy for data centers. The Senior Solutions Engineer – Systems Integration will serve as the technical owner for the integration of BESS (Battery Energy Storage Systems) subsystems, ensuring safe, reliable, and performant operations across diverse project environments.

Requirements

• Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Systems Engineering, or related discipline.
• 7+ years of experience in BESS or complex electromechanical system development and integration.
• Strong experience with electrical systems, energy storage, controls, and power electronics.
• Experience working across multiple OEMs and integrators.
• Proven ability to support fielded systems and post-installation troubleshooting.
• Familiarity with BESS standards such as UL 9540 / 9540A and applicable electrical codes.
• Experience with BESS safety standards and compliance, including UL 9540 / 9540A NFPA 855, NFPA 110 / 111, NFPA 72, NFPA 68 / 69.
• Willingness to travel to factories and project sites (≈25%).

Nice To Haves

• Master’s degree in Electrical, Mechanical, or Systems Engineering.
• Experience with utility-scale BESS deployments.
• Hands-on experience with battery and electrical test equipment.

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.
• Serve as a technical representative supporting the full product lifecycle by participating in permitting and local jurisdiction discussions, managing integration risks, and enabling long-term operational performance improvements.
• Deliver technical guidance and training to internal and external teams related to BESS safety and emergency response.

Benefits

• medical, dental, and vision coverage
• life insurance
• 401(k) eligibility
• paid time off (including vacation, sick leave time, and parental leave)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 1,001-5,000 employees