High Voltage and Substation Engineer

SunEnergy1; Bethel (NC); On-site; USD 90,000 - 140,000; Full time

Job summary

SunEnergy1 in the United States is seeking a High Voltage and Substation Engineer to design, develop, and oversee HV systems and substation projects, with a focus on renewable energy integration.

The role covers substation design, HV system analysis, and coordination with utilities to enable reliable grid interconnection. Proficiency with AutoCAD Electrical, ETAP, PSS/E, SKM and a PE license is preferred, with travel to project sites as needed.

Qualifications

• Bachelor’s degree in Electrical Engineering required.
• 3–7 years of HV engineering or substation design experience.
• Experience with grid interconnection for solar or storage projects.
• Proficient with AutoCAD Electrical, ETAP, PSS/E, SKM.
• Strong knowledge of HV equipment, protection relays, and protection coordination.
• Familiar with IEEE, NEC, and NESC standards.
• PE license or eligibility highly preferred.
• Willingness to travel to project sites; valid driver’s license.
• Renewable energy integration experience is a plus.

Responsibilities

• Substation design: layouts, equipment specs, and single-line diagrams.
• Design and analyze HV transmission systems (69kV+).
• Coordinate interconnection solutions with utilities and grid operators.
• Select HV equipment including transformers, breakers, switchgear, relays.
• Perform power system studies: load flow, short-circuit, protection coordination.
• Provide technical support during construction, commissioning, testing.
• Ensure compliance with NEC, IEEE, NESC, and utility standards.
• Collaborate with project managers and civil engineers to align designs.
• Support maintenance and troubleshooting of HV systems.
• Prepare technical reports and as-built documentation.

Skills

Substation design

High voltage systems

Grid interconnection

Power system studies

Protective relaying

IEEE/NESC/NEC knowledge

Collaboration

Education

Bachelor’s degree in Electrical Engineering

PE license

Tools

AutoCAD Electrical

ETAP

PSS/E

SKM

Job description

Job Summary

We are seeking a skilled High Voltage and Substation Engineer to design, develop, and oversee high-voltage systems and substation projects, with a focus on supporting renewable energy integration. The ideal candidate will have expertise in high-voltage equipment, substation design, and grid interconnection, ensuring safe and efficient project execution.

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.