Systems Integration Engineer Jobs in Colorado

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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.

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.

AES is an Equal Opportunity Employer who is committed to building strength and delivering long-term sustainability through diversity and inclusion. Respecting all backgrounds, differences and perspectives enables us to improve the lives of our people, customers, suppliers, contractors, and the communities in which we live and work. All qualified applicants will receive consideration for employment without regard to sex, sexual orientation, gender, gender identity and/or expression, race, national origin, ethnicity, age, religion, marital status, physical or mental disability, pregnancy, childbirth, or related medical condition, military or veteran status, or any other characteristic protected under applicable law. E-Verify Notice: AES will provide the Social Security Administration (SSA) and if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.

The expected salary for this position, at commencement of employment, is between $113,000 and $141,525/year; however, base pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The total compensation package for this position also includes annual bonus. The benefits offered for this position are: medical, dental, and vision coverage, life insurance, 401(k) eligibility, and paid time off (including vacation, sick leave time, and parental leave). Details of participation in these benefit plans will be provided if a candidate receives an offer of employment. If hired, employee will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

Apply by clicking the application link below and submitting your information. The deadline to apply for this role is 07/31/2026