Senior Solutions Engineer – Systems Integration (BESS)
At a glance
Senior Solutions & Sales Engineering role at Aes (Aes Clean Energy). US, Louisville, CO · full-time · $113,000–$141,525 base.
growthroles summary, based on the employer's posting.
What you'll do
- Own BESS system engineering from initial requirements through product deployment and operation
- Bring storage, power conversion, safety, controls and communications subsystems together, then review electrical and controls designs
- Plan system validation for prototypes, certification and production, using applicable safety codes and project requirements
- Resolve complex field problems, trace failures to root causes and lead corrective actions
- Guide project teams on BESS architecture, integration risks, permitting and safety training
What you bring
- A bachelor’s degree in electrical, mechanical, systems engineering or a related discipline
- Five to seven years integrating BESS or other complex electromechanical systems
- Strong grounding in electrical systems, energy storage, controls and power electronics, including work across OEMs and integrators
- Experience supporting installed systems, troubleshooting in the field and applying BESS safety standards such as UL 9540 or 9540A
Who this fits
This senior technical role suits an engineer who can own system integration and support equipment after installation. U.S.-based remote work is under consideration. Expect travel to factories and project sites at approximately a quarter of your time. The stated annual salary range is $113,000 to $141,525, with an annual bonus also included in the compensation package.
From the employer
Are you ready to be part of a company that's not just talking about the future, but actively shaping it? Join The AES Corporation, the largest US-based global power company with a team of 8,300 employees across 12 countries.
AES has been ranked #1 by BloombergNEF in renewable energy sales to corporations in the US and Americas for five consecutive years, providing electricity for millions of people worldwide.
We are proud to foster a strong workplace culture, earning prominent positions in Great Place to Work™ rankings across the markets where we operate. AES was also named one of the World’s Most Ethical Companies for the 13th consecutive year in 2026, highlighting our dedication to integrity, transparency, and responsible business practices.
Our spirit of innovation continues to earn industry recognition. AES is the only seven-time winner of the Edison Electric Institute’s Edison Awards in the twenty-first century, a distinction honoring global leadership in advancing the electric power industry.
If you're ready to be part of a company that's not just adapting to change, but driving it, AES is the place for you. We're not just building a more sustainable future, we're powering it. Apply now and energize your career with a true leader in global energy.
Senior Solutions Engineer – Systems Integration serves as a technical owner for how BESS subsystems come together electrically and functionally in the field, ensuring safe, reliable, and performant operation across diverse project environments.
We are open to considering U.S. remote-based candidates.
Key Responsibilities
BESS Product Development & Integration
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.
Project Support
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.
Required Qualifications
Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Systems Engineering, or related discipline.
5-7 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%).
Preferred Qualifications
Master’s degree in Electrical, Mechanical, or Systems Engineering.
Experience with utility‑scale BESS deployments.
Hands‑on experience with battery and electrical test equipment.