High Voltage and Substation Engineer

SunEnergy1; Charlotte (NC); On-site; USD 95,000 - 140,000; Full time

Job summary

SunEnergy1 seeks a seasoned HV Substation Engineer in Charlotte, NC to design and specify high‑voltage substations for renewable energy projects. You will develop layouts, single‑line diagrams, and equipment specs, and perform power system studies to ensure safe, compliant operation.

Travel to site is required as needed; you will coordinate interconnections with utilities, support construction and testing, and ensure adherence to NEC, IEEE, NESC standards, delivering thorough documentation and

Qualifications

• Bachelor’s degree in Electrical Engineering required.
• 3-7 years of experience in HV engineering, substation design, or power systems.
• Professional Engineer (PE) license preferred.

Responsibilities

• Design and develop detailed high-voltage substation designs.
• Create layouts, equipment specs, and single-line diagrams.
• Perform power system studies and protection coordination.
• Coordinate grid interconnection with utilities.
• Support construction, commissioning, and testing of substations and HV systems.
• Ensure compliance with NEC, IEEE, NESC standards.
• Prepare documentation and reports for stakeholders.
• Travel to project sites as needed.
• Collaborate with project managers and engineers.
• Select high-voltage equipment and protective relays.

Skills

High-voltage engineering

Substation design

Power system protection

Analytical skills

Communication skills

Teamwork

Safety awareness

Education

Bachelor’s degree in Electrical Engineering

Tools

AutoCAD Electrical

ETAP

PSS/E

SKM

SCADA systems

Job description

Key Responsibilities

• Substation Design: Develop detailed designs for high-voltage substations, including layouts, equipment specifications, and single-line diagrams, using tools like AutoCAD Electrical or similar software.
• High-Voltage Systems: Design and analyze high-voltage transmission and distribution systems (69kV and above), ensuring compliance with industry standards and grid requirements.
• Grid Interconnection: Coordinate with utilities and grid operators to design and implement interconnection solutions for renewable energy projects, ensuring seamless integration.
• Equipment Specification: Select and specify high-voltage equipment, such as transformers, circuit breakers, switchgear, and protective relays, ensuring compatibility and performance.
• Technical Analysis: Perform power system studies, including load flow, short-circuit analysis, and protection coordination, using software like ETAP, PSS/E, or SKM.
• Project Oversight: Provide technical support during construction, commissioning, and testing of substations and high-voltage systems, ensuring adherence to design specifications.
• Permitting and Compliance: Ensure designs comply with local, state, and federal regulations, including NEC, IEEE, NESC, and utility-specific standards.
• Collaboration: Work with project managers, civil engineers, and other stakeholders to align high-voltage designs with project goals and timelines.
• Maintenance and Troubleshooting: Support ongoing maintenance and troubleshooting of high-voltage systems, identifying and resolving operational issues.
• Documentation: Prepare technical reports, drawings, and documentation for stakeholders, including project updates and as-built records.

Qualifications

Education

:

• Bachelor’s degree in Electrical Engineering

Experience

:

• 3-7 years of experience in high-voltage engineering, substation design, or power systems, preferably with renewable energy integration.
• Experience with grid interconnection for solar or energy storage projects.
• Technical Skills:
• Proficiency in design and analysis tools (e.g., AutoCAD Electrical, ETAP, PSS/E, SKM).
• Strong knowledge of high-voltage equipment, protective relaying, and power system protection.
• Familiarity with IEEE, NESC, and NEC standards.
• Certifications: Professional Engineer (PE) license
• Soft Skills:
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.
• Detail-oriented with a focus on safety and quality.
• Other Requirements:
• Ability to travel to project sites as needed.
• Valid driver’s license.

Preferred Qualifications

• Experience with utility-scale renewable energy projects, particularly solar.
• Knowledge of SCADA systems and substation automation.
• Familiarity with energy storage systems and their integration into high-voltage infrastructure.