Senior Project Engineer - BESS

Fruition Group; Illinois; On-site; USD 90,000 - 120,000; Full time

Job summary

A leading renewable energy firm is hiring a Senior Project Engineer to oversee large-scale Battery Energy Storage Systems (BESS) projects in the Midwest. This role involves ensuring compliance with electrical codes, mentoring junior engineers, and leading the design process from concept to commissioning. Candidates should have a strong background in power systems and experience with BESS. Ideal candidates will possess a Bachelor’s degree in Electrical Engineering and relevant industry experience. The position is based in Chicago with some travel required.

Qualifications

• 7+ years in power systems or renewable energy engineering.
• 5+ years in Battery Energy Storage Systems (BESS).
• PE license in Illinois or the ability to obtain.

Responsibilities

• Lead and oversee the design of BESS systems.
• Manage compliance with MISO/PJM interconnection requirements.
• Mentor and develop junior engineers.

Skills

Power systems knowledge

BESS experience

Technical problem-solving

Mentoring junior engineers

Education

Bachelor’s degree or higher in Electrical Engineering

Master’s in Electrical Engineering

Job description

Overview

Senior Project Engineer – Battery Energy Storage

Employment Type: Full-Time

My client, a leading renewable energy developer and EPC, is hiring a Senior Project Engineer to manage large-scale BESS projects in the Midwest. Based in Chicago, you will work with MISO and PJM interconnection teams, state regulators, and local permitting authorities to deliver industry-leading energy storage facilities.

Responsibilities

• Lead and oversee the design of BESS systems from initial concept through commissioning.
• Manage compliance with MISO/PJM interconnection requirements and Illinois electrical codes.
• Direct technical reviews of engineering drawings, specifications, and vendor submittals.
• Support procurement in evaluating and selecting equipment suppliers.
• Coordinate construction support, QA/QC processes, and technical problem-solving on site.
• Mentor and develop junior engineers to enhance team capabilities.

Requirements

• Bachelor’s degree or higher in Electrical Engineering (Master’s preferred).
• 7+ years in power systems or renewable energy engineering, with 5+ years in BESS.
• PE license in Illinois or ability to obtain.
• Knowledge of high-voltage interconnection, inverter technology, and BMS systems.
• Willingness to travel to project sites across Illinois and neighboring states.

Preferred Qualifications

• Experience with MISO and PJM market integration.
• Track record delivering large-scale BESS projects on time and on budget.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Project Management

Industries

• Services for Renewable Energy and Semiconductor Manufacturing