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Principal Engineer, Utility

AES US


Job Location:

Louisville, KY - USA

Yearly Salary: USD 145000 - 181050
Posted: 20 September 2026 (Yesterday)
Application Deadline: 18 December 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.


ThePrincipalEngineer Utility Projects will be responsibleformanaging third parties inthe design and engineeringof largeutility-scale solarphotovoltaic (PV)andbatteryenergystorage(BESS)projects in late-stage development constructionand operationwithin theMarketmarket. Responsibilities includeengineermanagement design reviewscontract document development and negotiation procurement specification preparation and other technical support activities.

ThePrincipalProject Engineerwilljoinateam ofutility-scaleproject executionengineersreporting to theMARKETmarketengineeringmanagerandwillserve as theleadproject engineerforassigned projects.Additionalresponsibilities includementoringand trainingotherEngineersdirectly supportingadditionalprojectsas a subject matter expert driving innovation within the teamanddriving institutional changewithinthe wider organization.

The successful candidate will have a depth of experience in thedevelopment analysis anddesignof utility scale transmission interconnectedPVsystemsandbattery storage systems.Experience with other renewable technologies including wind green hydrogennuclearhydroelectric or data center designis a plus.Excellent communication task managementand planning skillsareneeded in addition totechnicaldepth andbreadth.

The position isat one ofAESUS Renewables & Poweroffices orremote andwillinclude up to 25% travel to project locations and partner offices.

Key Responsibilities

Project Execution

  • Support EPC engagement by preparing contract exhibits and supporting RFIs during contract negotiations.

  • Seekand evaluate proposals for engineering services.

  • Manageengineering consultantsandEngineer Procure Construct (EPC)contractorsthroughdevelopmentofproject construction drawings and support materials.

  • Perform technical project due diligence and project engineering design reviewsto ensure compliance with company and industry standards.

  • Lead external andinternaldesign review meetings.

  • Coordinate feedback from internal stakeholders and subject matter experts (SMEs) on design reviews.

  • Value engineer system designsto maximize reliability and reduce overall project cost.

  • Establish/review technical specifications of ownerfurnishedequipment in coordination with Procurement and Sourcing.

  • Manage Procore RFIs and submittals and ensure complete andtimelyresponses in coordination with other internal teams.

  • Technical support during construction including:

  • Respond to contractor requestsfor information (RFIs).

  • Support fieldquality assurance (QA)/quality control (QC).

  • Review test reports for compliance with contract requirements and technical standards.

  • Support the technical resolutionofpunch list items.

  • Support commissioning activities.

  • Support internal Owners Engineering team through financing activities.

  • Support Operations/Asset Management teams to resolve technical issues at operating sites.

  • AssistDevelopment and Project Managementteamswithdevelopmentofkey financial inputs.

  • Develop and implement technical solutions to market specific requirements in coordinationwithmarketmanager.

Growth and Leadership

  • Contribute toprocess improvement initiativesfor the execution of safe qualityand high-performance projects.

  • Providetimelyfeedback on EPC and external engineer performance and document lessons learned to influence internal process enhancements.

  • Mentor and educate team on changing trends in technology best practicescode enforcementand safety.

  • Direct mentorship ofotherEngineersonjob requirements and technical acumen.

  • Support the team as a technical subject matter expert.

  • Supportevaluation ofemergingtechnologiesand companies fortheApproved Vendor List.

Safety

  • Attend site safety walks andidentifyjobsite hazards.

  • Obtain andmaintainsafety trainingcertifications (NFPA 70EOSHA 10-hourandCPR/first aid).

  • Lead by example.

Skills and Qualifications

Primary Qualifications

  • Undergraduate degree inengineering(electrical mechanicalor civil preferred)or equivalent technical field.

  • 10yearsprofessional experience inenergysystem designproject or landdevelopmentand/orconstruction.Advanced degrees in a related field may be credited towards years of experience.

  • 5yearsofexperiencein project managementconsultingor as a project engineer.

  • Engineering design experience including either:

  • Electrical design experienceof the generator side of utility scale PVand BESS projects

  • Stormwater and gradingexpertisewith athoroughunderstanding ofpermittingprocessesandtimelines.

  • Strong communicationand interpersonal skills includingabilityto successfully work cross-functionally across a large organization.

  • Self-starter withabilityto work effectively in a remote and/or distributed team environment.

  • Ability toeffectivelymanage third party consultants vendors and internal stakeholders.

  • Proficientwith MS Office Suite.

  • Direct project experience with Procore.

PlusQualifications

  • Graduate degree inengineering

  • EIT or PE qualifications

  • NABCEP PV Installation Professional certification

  • Knowledge of BESS Fire Safety Codes and Standards

  • Experience with ETAP SKM PVsystand other advanced modeling tools

  • Substation/High Voltage design experience

  • Structural/SCADA/commissioning engineering design experience

  • Experience with AutoCAD Civil3D

  • Fluency in Spanishor Portuguese

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.

The expected salary for this position at commencement of employment is between $145000 and $181050/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

Required Experience:

Staff IC


About Company

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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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