1

Freelance Battery Test Engineer Jobs in Burr Ridge, IL

Electrical Engineer II

Chicago, IL · On-site

$105 - $125/hr

Primary interface for electrical issues at wind, solar, and battery storage facilities site ... test reports and relay settings. * Support operating facilities in electrical issues affecting ...

Sr. RF Engineer

Schaumburg, IL · On-site

$101K - $202K/yr

Design and optimize circuits for minimal current drain to maximize battery life * Implement analog ... Write test procedures, interface control documents and other documentation * Support full product ...

Sr. RF Engineer

Schaumburg, IL · On-site

$101K - $202K/yr

Design and optimize circuits for minimal current drain to maximize battery life * Implement analog ... Write test procedures, interface control documents and other documentation * Support full product ...

Integrate and test our modems with undersea drones and other advanced maritime systems * Keep up to ... Experience designing battery-powered systems * Proficiency with C/C++ and embedded software ...

Senior Electrical Engineer

Chicago, IL · On-site

$140K - $175K/yr

Integrate and test our modems with undersea drones and other advanced maritime systems * Keep up to ... Experience designing battery-powered systems * Proficiency with C/C++ and embedded software ...

Senior Electrical Engineer

Chicago, IL · On-site

$140 - $175/hr

Integrate and test our modems with undersea drones and other advanced maritime systems * Keep up to ... Experience designing battery-powered systems * Proficiency with C/C++ and embedded software ...

Senior Electrical Engineer

Chicago, IL · On-site

$140K - $175K/yr

Integrate and test our modems with undersea drones and other advanced maritime systems * Keep up to ... Experience designing battery-powered systems * Proficiency with C/C++ and embedded software ...

Senior Electrical Engineer

Chicago, IL · On-site

$140K - $175K/yr

Integrate and test our modems with undersea drones and other advanced maritime systems * Keep up to ... Experience designing battery-powered systems * Proficiency with C/C++ and embedded software ...

Showing results 41-60

Freelance Battery Test Engineer information

See Burr Ridge, IL salary details

$23

$45

$59

How much do freelance battery test engineer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for freelance battery test engineer in Burr Ridge, IL is $45.99, according to ZipRecruiter salary data. Most workers in this role earn between $39.86 and $53.37 per hour, depending on experience, location, and employer.

What does a freelance battery test engineer do?

A Freelance Battery Test Engineer specializes in evaluating the performance, safety, and reliability of batteries used in various applications such as electric vehicles, consumer electronics, and renewable energy systems. They design and conduct tests to assess battery capacity, cycle life, thermal behavior, and compliance with industry standards. Working independently, freelance engineers often collaborate with multiple clients, analyze test data, troubleshoot issues, and provide technical reports. Their expertise helps manufacturers improve battery design and ensures products meet regulatory and safety requirements.

What are the key skills and qualifications needed to thrive as a freelance battery test engineer?

To thrive as a Freelance Battery Test Engineer, you need strong expertise in electrical engineering principles, battery chemistries, and hands-on testing methodologies, often supported by a relevant engineering degree or equivalent experience. Familiarity with battery testing equipment, data acquisition systems, and software tools like LabVIEW or MATLAB is typically required. Excellent problem-solving, communication, and project management skills are essential for collaborating with clients and delivering reliable results independently. These skills ensure accurate performance assessments, client satisfaction, and high-quality outcomes in a competitive freelance environment.

What are some common challenges faced by freelance battery test engineers, and how can they be addressed?

Freelance battery test engineers often encounter challenges such as securing consistent project work, adapting to varying client testing protocols, and staying updated on evolving battery technologies. To address these, it's important to build a diverse client network, maintain clear communication to understand each client's specific requirements, and invest time in ongoing professional development. Additionally, effective project management and investing in reliable testing equipment can help deliver high-quality results and foster client trust.

What is the difference between Freelance Battery Test Engineer vs Battery Test Technician?

AspectFreelance Battery Test EngineerBattery Test Technician
CredentialsEngineering degree, certifications in battery testingTechnical diploma or associate degree
Work EnvironmentIndependent, project-based, often remote or client sitesLaboratory or manufacturing facility
Employer/IndustryFreelance/contract basis, automotive, electronics industriesCompany-employed, battery manufacturing or R&D

The main difference is that a Freelance Battery Test Engineer works independently on various projects, often with specialized expertise, while a Battery Test Technician is typically employed by a company to perform routine testing and maintenance in a lab or production setting. Freelance engineers focus on design and analysis, whereas technicians handle day-to-day testing tasks.

What are popular job titles related to Freelance Battery Test Engineer jobs in Burr Ridge, IL?

For Freelance Battery Test Engineer jobs in Burr Ridge, IL, the most frequently searched job titles are:

What cities near Burr Ridge, IL are hiring for Freelance Battery Test Engineer jobs?

Cities near Burr Ridge, IL with the most Freelance Battery Test Engineer job openings:

Infographic showing various Freelance Battery Test Engineer job openings in Burr Ridge, IL as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 2% Contract, and 1% Nights. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $95,655 per year, or $46 per hour.

Electrical Engineer II

Invenergy, LLC

Chicago, IL • On-site

$105 - $125/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 4 days ago


Invenergy rating

9.3

Company rating: 9.3 out of 10

Based on 10 frontline employees who took The Breakroom Quiz


Job description

Invenergy is North America’s largest privately held developer, owner, and operator of power infrastructure. With 25 years of trusted execution, we deliver reliable, affordable energy through a diverse portfolio that includes natural gas, solar, land-based wind, energy storage, transmission, and domestic manufacturing. Headquartered in Chicago, we develop, own, and operate large scale projects that power communities and support the energy future.

This position will be open for application for at least 3 calendar days from the posting date. This position will remain open for application based on business need, which may be before or after the 3-day posting window.

Position Overview

As an Operations Electrical Engineer you will be responsible for managing the operations of Invenergy’s existing wind, solar, and storage assets. You will monitor and drive continuous operation of the fleet. Invenergy follows a hybrid schedule, working in office Monday through Thursday and remotely on Fridays.

Responsibilities
  • Support operating facilities with electrical troubleshooting, including review of digital fault records, relays, and other operational data for planned and unplanned electrical events.
  • Primary interface for electrical issues at wind, solar, and battery storage facilities site personnel, contractors, equipment manufacturers & consulting engineers.
  • Manage substation and balance of plant electrical maintenance program, including NERC-required/NETA-recommended testing and inspections.
  • Support operating facilities with electrical procedure development.
  • Review and manage as-built site documentation including electrical drawings, schematics, bill of materials, electrical studies, test reports and relay settings.
  • Support operating facilities in electrical issues affecting generation technology, including wind turbines, solar panels and battery systems.
  • Support NERC compliance team with audits, reporting, documentation, and policies for operating facilities.
  • Support project and construction managers on new project commissioning and turnover for wind, solar, and storage developments.
  • Lead long-term action items and projects to improve reliability or efficiency of electrical systems.
  • Manage root cause analyses to identify potential future risks, and drive fleet-wide corrective action plans.
  • Conduct reviews of various system studies essential to reliability and steady state operations of fleet.
Requirements
  • BS in Electrical Engineering or similar major 2+ years of professional experience
  • Some travel and field work is required (<25%)
  • Must be available for after office hours troubleshooting
  • Valid driver’s license and acceptable driving record.
  • Eligible to work in the United States without the need for employer visa sponsorship now or in the future.
Preferred Skills
  • Knowledge of three-phase power systems, high voltage electrical equipment & relay protection
  • Experience with HV/MV electrical systems
  • Strong working knowledge of NESC and ANSI/IEEE standards and codes.
  • Practical or field experience in electrical substation reliability and maintenance
  • Knowledge of renewable generation systems (wind turbine, solar panels/inverters) and their controls
  • Computer proficiency in spreadsheet modeling using Microsoft Excel
  • Verbal and written communications skills
Base Pay

Base Pay $105,000.00 - $125,000.00 USD Annual Bonus: 15% The base pay range reflects the minimum and maximum target salary for the position. Invenergy considers a number of factors when determining base pay offers such as the scope and responsibilities of the position and the candidate's experience, education and skills. In addition to base pay, the total annual compensation package may also include eligibility to participate in our bonus program(s) which are designed to reward individual and company performance. Your recruiter can share more about bonus eligibility for this position during the hiring process.

Benefits

Invenergy offers a variety of other benefits including medical, dental and vision insurance, 401k, paid time off, etc.

Equal Opportunity Employer

Invenergy LLC is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to, among other things, race, color, religion, sex, sexual orientation, gender identity, national origin, age, status as a protected veteran, or disability.

Invenergy is North America’s largest privately held developer, owner, and operator of power infrastructure. With 25 years of trusted execution, we deliver reliable, affordable energy through a diverse portfolio that includes natural gas, solar, land-based wind, energy storage, transmission, and domestic manufacturing. Headquartered in Chicago, we develop, own, and operate large scale projects that power communities and support the energy future.

#J-18808-Ljbffr

What Invenergy employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom