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Senior Engineer, High Voltage Development

AES US


Job Location:

Louisville, KY - USA

Yearly Salary: $ 156354 - 159500
Posted: 26 August 2026 (7 hours ago)
Application Deadline: 23 November 2026
Vacancies: 1 Vacancy

Job Summary

Are you ready to be part of a companythatsnot just talking about the future but actively shaping it Join The AES Corporation the largest US-based global power company witha teamof 8300employees across 12 countries.

AES has beenranked #1 byBloombergNEFin renewable energy sales to corporations in the US and Americas for five consecutive years providing electricityformillions of peopleworldwide.

We are proud to foster a strong workplace culture earning prominent positions in Great Place to Work rankings across the markets where weoperate. AES was also named one of the Worlds 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 Institutes Edison Awards in the twenty-first century a distinction honoringglobal leadership in advancing the electric power industry.

Ifyoureready to be part of a companythatsnot just adapting to change but driving it AES is the place for just building a more sustainable futurewerepowering it. Apply now and energize your career with a true leader inglobalenergy.

TITLE: Senior Engineer High Voltage Development

EMPLOYER: AES Clean Energy Services LLC

LOCATION: 282 Century Pl Ste 2000 Louisville CO 80027 (Hybrid role; part time telecommuting authorized; 25% travel to site visits and factory inspections)

DUTIES: Lead conceptual preconstruction and construction phase engineering for Solar Wind and BESS high voltage (35500 kV) substations and generation tie lines. Develop conceptual designs and scope of work documents for permitting estimating and regional renewable projects in alignment with AES and utility standards. Manage external engineering consultants through development of 30% design packages for substations and transmission facilities. Perform in-house high voltage design work and support cost estimating including BOM reviews and substation expansion assessments. Conduct technical due diligence to derisk project pipelines and Merger & Acquisition portfolios serving as project engineer for all high-voltage functions. Review EPC substation bid packages for compliance with interconnection agreements NERC standards AES standards and industry best practices. Provide design reviews and identify technically incorrect or inconsistent documentation highlighting critical risks early in project development. Coordinate with interconnection providers (CAISO HECO Xcel Tri State PacifiCorp etc.) to ensure compliant collector substations gen tie designs and switchyard requirements. Collaborate cross functionally with real estate permitting commercial legal estimating PV/Wind/BESS engineering preconstruction and construction teams. Demonstrated experience across DC coupled AC coupled solar plus BESS wind and multiphase project designs and in maintaining relationships with specialist HV consultants and contractors.

REQUIREMENTS: Job requires a Bachelors degree in Electrical Engineering or a related field and 6 years of experience in high voltage design or a related field. This position also requires experience in the below:

  • 5 years experience in high Voltage (35500 kV) Substation design experience for Renewable plants (Solar/Wind/BESS) conceptual through commissioning using AutoCAD Bluebeam
  • 5 years experience in high Voltage Generation tie line and medium voltage collector system design experience conceptual through commissioning
  • 4 years experience in utilities to obtain technical requirements negotiate LGIAs and coordinate drawing reviews to ensure designs meet utility/ISO specifications
  • 4 years experience in analyzing EPC bids for cost competitiveness value engineering opportunities compliance with industry standards and Owner standards
  • 3 years experience in high Voltage Greenfield Brownfield and Merger & Acquisition technical due diligence & portfolio risk assessment
  • 4 years experience in managing Engineer of Record to develop 10% 30% and up to 60% High Voltage design package by providing oversight and ensuring compliance with industry standards such as IEEE NESC NFPA and ISO and Utility-specific requirements
  • 4 years experience in developing designing and de-risking deliverables and support High Voltage Estimators with Class 4 and Class 5 estimates including General Arrangements Single-Line Diagrams Bill of Materials
  • 4 years experience in developing High Voltage circuit breaker and transformer specifications for key Owner Furnished equipment plus review all design drawings and equipment selection in person supervise pre-tanking and factory acceptance testing
  • 5 years experience in AutoCAD Bluebeam ETAP OpenDSS Google Earth and Microsoft Suite.

SALARY: The expected salary for this position at commencement of employment is between $156354 to $159500/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.)

TO APPLY: E-mail resume to . Please use reference Job Code .

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 employees I-9 to confirm work authorization.


Required Experience:

Senior IC


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AES is a global energy company that creates greener, smarter and innovative energy solutions. Together, we can accelerate the future of energy.

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