Senior Substation Relay + Control Engineer →

ISG Inc; BLOOMINGTON (MN); On-site; USD 80,000 - 120,000; Full time

Benefits offered by this job

Medical, dental, and vision

Paid time off

Paid holidays

Job summary

ISG Inc in Bloomington, MN seeks a Senior Substation Relay & Controls Engineer to lead protection and control system design for high‑voltage substations. You will develop and review one-line/three-line diagrams, schematics, wiring diagrams, BOMs, and equipment lists while mentoring junior staff and ensuring compliance with IEEE and NESC standards.

The role supports ISG’s Energy Business Unit and its nationwide client base.

Qualifications

• 8+ years of consulting or substation engineering and design experience.
• Ohio PE License preferred; may be working towards certification.
• Valid driver’s license and ability to travel for site visits and client meetings.

Responsibilities

• Lead the design and delivery of protection and control systems for high‑voltage substations.
• Develop and review one-line and three-line diagrams, schematics, wiring diagrams, and BOMs.
• Mentor junior engineers and designers; review their work and provide feedback.
• Coordinate with substation physical, civil, and structural teams and clients.
• Ensure designs meet IEEE, NESC, and client standards; drive process improvements.
• Present solutions to clients and support project milestones and schedules.

Skills

Protection and control

One-line diagrams

Three-line diagrams

IEEE standards

NESC compliance

Client liaison

Mentoring

Education

Bachelor of Science in Electrical Engineering

Job description

Senior Substation Relay + Control Engineer

Department: Power

Employment Type: Full Time

Location: Bloomington, MN

Compensation: $80,000 - $120,000 / year

Description

We are seeking a Senior Substation Relay + Controls Engineer to lead the design and delivery of protection and control systems for high-voltage transmission and distribution substations supporting one of ISG's longstanding clients, FirstEnergy. In this role, you will develop and review one-line and three-line diagrams, AC/DC schematics, wiring diagrams, panel layouts, equipment lists, and other critical design deliverables while serving as a technical resource for clients and project teams. You will solve complex engineering challenges, mentor junior staff, and help deliver safe, reliable, and compliant designs that support the electric grid.

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

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

• Substation Upgrades
• Electrical Substation Misoperated Line Terminal Improvements
• FAC-008 Facility Rating Projects

Essential Duties

• Ensure accurate and compliant designs, including one-line diagrams, three-line diagrams, AC and DC schematics, wiring diagrams, panel layouts, BOMs, and equipment lists for high voltage substations.
• Able to research, understand, assist, and order the appropriate materials needed for each design.
• Verifies adherence to client, utility, and regulatory standards (IEEE, NESC).
• Addresses complex technical challenges, such as optimizing schemes or troubleshooting design issues.
• Supports project schedules to meet milestones and deliverables.
• Works closely with substation physical, civil, and structural teams and external stakeholders (clients, utilities).
• Reviews and approves drawings, calculations, and technical reports.
• Mentors junior engineers and designers, reviewing their work and providing constructive feedback.
• Conducts training sessions and share best practices.
• Fosters a collaborative and positive work environment.
• Serves as the main technical point of contact for clients, addressing inquiries and presenting solutions.
• Delivers high-quality designs that meet client expectations and industry standards.
• Recommends and implements process improvements to enhance design efficiency and accuracy.
• Stays current with industry advancements, standards, and technologies.

Skills, Knowledge and Expertise

• Bachelor of Science in Electrical Engineering.
• 8+ years of consulting or substation engineering and design experience required.
• Ohio PE License preferred. May be working towards certification.
• Valid driver's license and ability to travel for site visits, design reviews, and client meetings.

ISG Employee Owner Benefits

• Medical, dental, and vision
• Paid time off, pro-rated amount available on your start date
• Paid holidays and paid volunteer time
• Paid parental leave
• Bi-annual profit sharing
• Employee Ownership Stock Plan (ESOP)
• 401K retirement plan
• Life insurance
• HSA and FSA options
• Bereavement leave
• Supplemental voluntary benefits
• Short term and long-term disability
• Parking reimbursement, varies on office location