ISG

Multidisciplinary employee-owned design and consulting firm

Senior Physical Substation Engineer

Power Systems EngineeringUpdated on Nov 13

Full-timeRaleigh, NC, USA$105k - $150k /yr

About the Job

Requirements

At least 5 years of experience in substation physical design, with proven leadership on medium to large projects.
A Professional Engineer (PE) license is required.
A Bachelor of Science in Electrical Engineering, with a focus in power systems or a related discipline.
Experience with grounding analysis software such as WinIGS, CYME, CDEGS, or equivalent.
Experience with photometric analysis software such as Visual Lighting, AGi32, DIALux, Revit, or equivalent.
Experience with lighting analysis software such as WinIGS, CDEGS, PSCAD, or equivalent.
Strong understanding of substation equipment, procurement, and configurations, including AIS, transformer banks, ring bus, and breaker-and-a-half configurations.
Knowledge of industry codes and standards, including IEEE, ANSI, NESC, NEC, NFPA, and OSHA.
Excellent written and verbal communication skills and ability to interface directly with clients.
A valid driver’s license and ability to travel for site visits, design reviews, and client meetings.

Responsibilities

Develop and review complete physical design packages for high-voltage substations, including one-line and three-line diagrams, general arrangement drawings and section views, bus work layouts and equipment plans, grounding layouts and calculations per IEEE Std 80, conduit, trench, and cable routing plans, engineering documents, and bills of materials.
Ensure compliance with utility, client, and regulatory standards, including IEEE, ANSI, NEC, NESC, and NFPA.
Apply advanced engineering judgment to optimize substation layouts for safety, reliability, constructability, and cost efficiency.
Oversee integration of civil, structural, and protection and control requirements.
Perform and review grounding, voltage drop, conduit fill, lightning protection, illumination, and cable sag/tension calculations.
Review and approve design packages.
Lead design coordination meetings with clients, utilities, vendors, and internal teams.
Serve as the technical point of contact for clients, providing solutions to complex design challenges.
Mentor and guide junior engineers and designers, reviewing their work and providing structured feedback.
Support project schedules and budgets by accurately forecasting design hours and meeting deliverable milestones.
Recommend and implement improvements in design processes.
Stay current with emerging technologies, equipment, and industry standards impacting substation design.

Desired Qualifications

Experience with Substation Design Suite (SDS) and Inventor.

We are seeking an experienced Senior Physical Substation Engineer to lead the design of high-voltage transmission and distribution substation physical packages. This will include layouts, bus work, grounding, conduit, and equipment placement. ISG has partnered with utility and energy clients for decades, providing engineers the opportunity to build long-term careers while working on complex projects with ongoing demand. In this role you will ensure designs meet client(s), utility, and regulatory standards while optimizing for safety, reliability, and constructability. You will have the opportunity to mentor junior staff, review and approve deliverables, and serves as a primary client contact for resolving technical issues.

This position will work on transmission and distribution projects directly associated with FirstEnergy, one of ISG’s trusted and longstanding client partners.

Within our Energy Business Unit, ISG’s Power Group plays a vital role in delivering resilient infrastructure solutions, supporting projects and clients nationwide.

We operate as a one-profit-center firm and we work as one team across all offices, sharing resources, expertise, and opportunities to best serve our clients and support our employee owners. Regardless of where this position is posted, we encourage all qualified candidates from any ISG geography to apply.

Similar projects and initiatives you may contribute to as part of this role:

Develop and review complete physical design packages for high-voltage substations, including one-line and three-line diagrams, general arrangement (GA) drawings and section views, bus work layouts and equipment plans, grounding layouts and calculations per IEEE Std 80, conduit, trench, and cable routing plans, and engineering documents and bill of materials.
Ensure compliance with utility, client, and regulatory standards (IEEE, ANSI, NEC, NESC, NFPA).
Applies advanced engineering judgment to optimize substation layouts for safety, reliability, constructability, and cost efficiency.
Oversees integration of civil, structural, and protection and control (P+C) requirements.
Performs and reviews calculations including grounding, voltage drop, conduit fill, lightning protection, illumination and cable sag/tension.
Reviews and approves design packages.
Leads design coordination meetings with clients, utilities, vendors, and internal teams.
Serves as the technical point of contact for clients, providing solutions to complex design challenges.
Mentors and guides junior engineers and designers, reviewing their work and providing structured feedback.
Supports project schedules and budgets by accurately forecasting design hours and meeting deliverable milestones.
Recommends and implements improvements in design processes.
Stays current with emerging technologies, equipment, and industry standards impacting substation design.

5+ years of experience in substation physical design, with proven leadership on medium to large projects.
Professional Engineer (PE) license, required.
Bachelor of Science in Electrical Engineering (with a focus in power systems or related discipline).
Experience with grounding analysis software (WinIGS, CYME, CDEGS, or equivalent).
Experience with photometric analysis software (Visual Lighting, AGi32, DIALux,Revit or equivalent).
Experience with lighting analysis software (WinIGS, CDEGS, PSCAD or equivalent).
Experience with Substation Design Suite (SDS) and Inventor preferred but not required.
Strong understanding of substation equipment, procurement, and configurations (AIS, transformer banks, ring bus, breaker-and-a-half, etc.).
Knowledge of industry codes and standards: IEEE, ANSI, NESC, NEC, NFPA, OSHA.
Excellent written and verbal communication skills, with ability to interface directly with clients.
Valid driver’s license and ability to travel for site visits, design reviews, and client meetings.

About the Company

ISG

Multidisciplinary employee-owned design and consulting firm

ISG is a 100 percent employee-owned, multidisciplinary design and consulting firm with more than 50 years of experience. It serves multiple markets and brings together experts from different fields to collaborate on projects, giving clients access to a broad knowledge base, practical creativity, and wide perspectives. Its approach combines long-standing client relationships with cross-disciplinary teams to translate client goals into integrated solutions across planning, design, and advisory services. Unlike firms that are siloed by discipline, ISG differentiates itself through employee ownership, deep collaboration, and a culture that emphasizes trust, accountability, and broad industry insight. The goal is to help clients succeed by delivering well-rounded, feasible solutions that consider economics, aesthetics, engineering, and community impact.

Company size: 501-1,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Mankato, MN
Founded: 1973

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