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Interconnection Engineer Jobs in Illinois (NOW HIRING)

RWE

Grid Modeling Manager

Chicago, IL · On-site

... Engineering, OEMs, consultants, utilities, ISOs/RTOs, and internal teams. * Lead and support preparation of ISO/RTO interconnection modeling packages, including application data, PSSE inputs, DYR ...

Leapros Skilled Trades

Solar Engineer

Oak Brook, IL

$107K - $125K/yr

The Solar Engineer provides comprehensive electrical engineering design for renewable energy ... Design interconnection drawings, electrical permit sets, and construction drawings in accordance ...

Ghafari Associates LLC

Electrical Engineer

Chicago, IL

$90K - $110K/yr

Provide engineering to develop construction documents for the installation, interconnection and control of architectural, electrical, and mechanical components. Essential Job Functions: * Possess ...

RWE

Transmission Manager

Chicago, IL · On-site

RWE is seeking a Senior Transmission Engineer / Transmission Manager to join the Transmission Analysis team and help answer that question. This role will support transmission, interconnection ...

Ghafari Associates LLC

Electrical Engineer

Chicago, IL · On-site

$90K - $110K/yr

Provide engineering to develop construction documents for the installation, interconnection and control of architectural, electrical, and mechanical components. Essential Job Functions: * Possess ...

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Interconnection Engineer information

What is the difference between Interconnection Engineer vs Power Systems Engineer?

AspectInterconnection EngineerPower Systems Engineer
Required CredentialsBachelor's in Electrical Engineering, certifications like PE or EIT often preferredBachelor's or Master's in Electrical Engineering, PE license common
Work EnvironmentUtility companies, renewable energy firms, grid operatorsPower generation, transmission, and distribution companies
Industry UsageFocuses on connecting new energy sources to the gridDesigning and analyzing power systems for efficiency and reliability

Interconnection Engineers primarily focus on integrating new energy projects into the grid, ensuring compliance and connection approval. Power Systems Engineers work on designing, analyzing, and optimizing entire power systems. While both roles require electrical engineering expertise and often similar certifications, their focus areas differ—interconnection engineers concentrate on grid connection processes, whereas power systems engineers focus on system performance and design.

What are some common challenges an interconnection engineer faces when coordinating with utilities and project stakeholders?

Interconnection Engineers often encounter challenges such as navigating complex utility requirements, managing tight project timelines, and ensuring all technical documentation meets regulatory standards. Communication with utility representatives and project teams can be intricate, as requirements may vary by region and change frequently. Being proactive in documentation, maintaining clear communication, and staying updated on evolving interconnection standards are crucial for success in this collaborative and fast-paced role.

What are the key skills and qualifications needed to thrive as an interconnection engineer, and why are they important?

To thrive as an Interconnection Engineer, you need a solid background in electrical engineering, power systems, and grid interconnection standards, often supported by a bachelor's degree in engineering. Familiarity with power system modeling tools (such as PSS®E, PSCAD, or PowerWorld), relevant regulations (like FERC, NERC), and industry certifications (such as PE licensure) is typically required. Strong analytical thinking, project management abilities, and clear communication skills help you collaborate effectively with utilities, developers, and regulatory bodies. These skills are essential to ensure safe, efficient, and compliant integration of new energy projects into the electric grid.

What is an interconnection engineer?

Interconnection Engineers are professionals who design, manage, and oversee the processes required to connect energy generation systems—such as solar, wind, or traditional power plants—to the electric grid. They work closely with utilities, developers, and regulatory agencies to ensure that new energy projects meet technical standards and regulatory requirements for safe and reliable grid integration. Their responsibilities include conducting technical studies, reviewing interconnection applications, and coordinating with various stakeholders to resolve engineering challenges. This role is critical in supporting the expansion of renewable energy and maintaining grid stability.
What are popular job titles related to Interconnection Engineer jobs in Illinois? For Interconnection Engineer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Interconnection Engineer jobs in Illinois look for? The top searched job categories for Interconnection Engineer jobs in Illinois are:
What cities in Illinois are hiring for Interconnection Engineer jobs? Cities in Illinois with the most Interconnection Engineer job openings:
Interconnection Engineer jobs near you
Infographic showing various Interconnection Engineer job openings in Illinois as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Sr. Grid Infrastructure Commissioning Engineer, BESS - REMOTE

ThinkBAC Consulting

Chicago, IL • On-site, Remote

$107K - $147K/yr

Full-time

Medical, PTO

Re-posted 20 days ago

Job description


Sr. Energy Storage Commissioning Engineer, Grid Infrastructure
Locations: FULLY REMOTE (Anywhere in the USA)
This is an opportunity to join a trailblazing BESS (Battery Energy Storage) company backed by top-tier private equity, leading the charge in utility-scale energy storage development, execution, and operations. They have a rapidly expanding national footprint, and double digit GW portfolio including one of the largest fleets of grid-connected standalone battery storage assets in the country.
They're looking for a Sr. Energy Storage Commissioning Engineer and Projec Leaderto join their EPC team and own the technical engineering, construction oversight, and commissioning execution for utility-scale BESS projects across designated regions. This is a unique role that combines deep cross-functional technical engineering with hands-on project delivery.
You'll oversee the design, construction, and commissioning of BESS projects in partnership with third-party engineering firms and EPC contractors. You'll review and negotiate interconnection agreements alongside the Transmission and Interconnection teams. You'll lead RFQ/RFP development with procurement, work directly with utilities and consultants, and travel to project sites throughout the construction and commissioning lifecycle.
If you've built high-voltage systems for renewable energy grid infrastructure projects, lived through utility energization timelines, and want to apply that experience to manifest the future of the grid for generations to come...this role was built for you.
They are committed to creating more grid infrastructure solutions for the grid and are offering comprehensive compensation packages to their employees leading the drive to meet company goals. Other perks included a competitive base salary, open PTO policy, flex work hours, health benefits, the opportunity to work with a transparent Executive Leadership Team..and more.
RESPONSIBILITIES:
  • Sr. Energy Storage Commissioning Engineer - Technical deliverables for design, construction, and commissioning of utility-scale BESS projects
  • Sr. Energy Storage Commissioning Engineer - High-voltage substation, switchyard, and transmission system commissioning oversight
  • Sr. Energy Storage Commissioning Engineer - Interconnection agreement (LGIA) negotiation and execution support
  • Sr. Energy Storage Commissioning Engineer- RFQ/RFP packages for EPC contractors and engineering consultants
  • Sr. Energy Storage Commissioning Engineer - Cross-functional partnership with Transmission, Interconnection, Procurement, and Development teams
  • Sr. Energy Storage Commissioning Engineer- On-site presence at projects across the country (~30% travel)
  • Sr. Energy Storage Commissioning Engineer - Stakeholder participation in ERCOT, MISO, SPP, and PJM queue reform and large load policy discussion

QUALIFICATIONS:
  • B.S. or M.S. in Electrical Engineering (Power Engineering preferred)
  • 5-7+ years in project engineering, EPC, construction management, or commissioning in the power industry
  • Hands-on experience with high-voltage utility substations, switchyards, and transmission systems
  • Strong understanding of battery energy storage fundamentals and value proposition
  • Familiarity with ISO/RTO commissioning compliance and LGIA/PPA structures
  • Proficiency in AutoCAD, Bluebeam, MS Project, and SharePoint
  • Ability to travel ~30% across project sites
  • Comfort with AI-enabled tools for engineering productivity
  • A practical, data-driven mindset for ambiguous, fast-evolving market environments
  • Candidates that have worked in the following roles for renewable, utility, or clean energy companies would be ideal: Sr. Project Engineer, Commissioning, Commissioning Manager, Manager of Commissioning, High Voltage Commissioning Engineering Supervisor, HV Commissioning Engineer, Lead High Voltage Commissioning Engineer, BESS Commissioning Engineer...or similar

*The deadline for applications is 75 days from the original posting date

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