Senior HV Substation Engineer – Owner's Engineer

AES Corporation; Portland (ME); On-site; USD 113,000 - 142,000; Full time

Job summary

AES Corporation is seeking a Senior Substation Engineer to oversee HV EPC contractor design and construction for renewable energy projects across the Eastern US. The role focuses on substations from 35kV to 500kV, with emphasis on grid integration requirements for renewables and technical oversight during construction.

You will review designs, support commissioning, and collaborate with utilities, EPCs, and cross-functional teams. Travel to project sites is expected about a quarter of the time.

Qualifications

• B.S. Electrical Engineering with emphasis on Power Systems.
• 7+ years of substation design experience (Physical or P&C).
• 2+ years of HV project engineering experience.
• Proficient in reading control schematics for HV breakers/transformers.
• Basic knowledge of power system modeling (load flow, insulation coordination, grounding).
• Strong communication skills to lead technical discussions with HV EPCs and utilities.

Responsibilities

• Oversight of EPC contractor engineering design and construction for HV substations and lines (35kV–500kV).
• Establish and maintain relationships with HV contractors.
• Review Substation EPC designs for interconnection and reliability standards.
• Provide design review for issues in project documentation.
• Review power system studies (load flow, short circuits, harmonics).
• Coordinate with interconnection providers to design collector substations per requirements.
• Support substation commissioning by coordinating testing with utility/ISO.
• Work with project team across management, development, permits, finance, and construction.
• Travel and fieldwork ~25%, mostly in Eastern/Central US.

Skills

HV project coordination

Strong communication

Leadership in technical discussions

Organizational skills

Education

B.S. Electrical Engineering w/ Power Systems

Tools

ETAP

PLS-CADD

ASPEN

Job description

AES Corporation is seeking a Senior Substation Engineer to oversee HV EPC contractor design and construction for renewable energy projects across the Eastern US. The role focuses on substations from 35kV to 500kV, with emphasis on grid integration requirements for renewables and technical oversight during construction.

You will review designs, support commissioning, and collaborate with utilities, EPCs, and cross-functional teams. Travel to project sites is expected about a quarter of the time.