Demo

Solar Engineer

Willdan
Oak Brook, IL Full Time
POSTED ON 12/16/2025
AVAILABLE BEFORE 2/16/2026

Alternative Power Generation (APG), a Willdan Company, is seeking a Construction Manager. APG is a national full- service design-build engineering, construction, and energy services company (ESCO).

We are currently looking for a motivated Solar Engineer to join our growing Engineering and Design team of highly specialized professionals. As part of the design team, you will support a variety of design efforts on substation, solar, microgrid and transmission and distribution projects for APG. The individual we are seeking should be highly skilled, articulate, motivated, self-managed, and a quick learner who can become part of the team. APG offers an excellent supportive and collaborative work environment and offers a competitive salary and superior benefits package in the industry.

Essential Duties and Responsibilities

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • Actively participate in and conduct many phases of electrical systems design for photovoltaic projects, including, but not limited to: site investigations; CAD production; design and contract documents; basic specifications; and the construction administration process.
  • Responsible for those design tasks assigned, and for quality of work in developing final construction documents from established concept designs or Design Development drawings.
  • Heavy production load.
  • Ability to independently complete the following engineering tasks with minimal guidance:
    1. Design drafting of electrical construction documents using AutoCAD
    2. Electrical distribution design and single line preparation
    3. Solar photovoltaic design
    4. Voltage calculations and conductor / raceway sizing
    5. Detailed PV Syst calculations
    6. Utility coordination
    7. Code review
    8. Preparation of specifications

Job Requirements / Qualifications: 

  • 5 years’ experience in electrical engineering preferred.
  • Recent graduates with advanced degrees may apply. Course work in power systems – analysis, planning, relaying, renewable energy and microgrid design and management would be a plus.
  • 3  years’ experience designing substation and solar/storage systems.
  • 3  years’ experience with AutoCAD drafting software.
  • Knowledge of analysis software like ETAP and PSCAD preferred.
  • Knowledge of the National Electric Code and National Electrical safety Code is preferred.
  • Excellent communication skills and the ability to interact in a team environment.

EEO Non-Discrimination and ADA Reasonable Accommodation Statement
Willdan is an equal opportunity employer. Applicants are considered for all positions without regard to race, religious creed, color, age marital status, sex, sexual orientation, gender identity, gender expression, citizenship status, national origin, ancestry, religion, military service or veteran status, disability, medical condition, childbirth and related medical conditions, genetic testing, reproductive status or any other classification protected by federal, state or local laws and ordinances. Willdan does not discriminate on the basis of physical or mental disability where the essential functions of the job can be reasonably accommodated. Determinations on requests for reasonable accommodation will be made on a case-by-case basis. If you need reasonable accommodation for any part of the application and hiring process, please notify us.

Alternative Power Generation, Inc. participates in E-Verify.

Salary : $65,000 - $90,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Solar Engineer?

Sign up to receive alerts about other jobs on the Solar Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$130,999 - $179,391
Income Estimation: 
$159,321 - $226,233
Income Estimation: 
$60,778 - $75,025
Income Estimation: 
$73,120 - $92,318
Income Estimation: 
$73,120 - $92,318
Income Estimation: 
$91,158 - $113,466
Income Estimation: 
$91,158 - $113,466
Income Estimation: 
$119,470 - $150,512
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Willdan

  • Willdan Newark, NJ
  • Who We Are Willdan is a nationwide provider of comprehensive solutions that help organizations evolve and thrive as natural resources and infrastructure ch... more
  • 15 Days Ago

  • Willdan Pelham, NY
  • Willdan Energy Solutions, a subsidiary of Willdan Group Inc., is seeking a talented individual to fill the role of Assistant Director for our System Perfor... more
  • 15 Days Ago

  • Willdan Pelham, NY
  • Willdan Energy Solutions, a subsidiary of Willdan Group Inc., is seeking a motivated Commissioning Project Engineer to support our building commissioning a... more
  • 15 Days Ago

  • Willdan Ventura, CA
  • Why Willdan Willdan is a Municipal Services Firm that has provided superior engineering, planning, building, and many other consulting services to governme... more
  • 15 Days Ago


Not the job you're looking for? Here are some other Solar Engineer jobs in the Oak Brook, IL area that may be a better fit.

  • Willdan Oak Brook, IL
  • Alternative Power Generation (APG), a Willdan Company, is seeking a Construction Manager. APG is a national full- service design-build engineering, constru... more
  • 17 Days Ago

  • Willdan Group, Inc. Oak Brook, IL
  • Alternative Power Generation (APG), a Willdan Company, is seeking a Construction Manager. APG is a national full- service design-build engineering, constru... more
  • 27 Days Ago

AI Assistant is available now!

Feel free to start your new journey!