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Test Engineer Internship Jobs in Addison, IL (NOW HIRING)

P2P

Campus Software Engineer (Intern)

Chicago, IL · On-site

$212.50 - $287.50/hr

Our software engineering internship is an intensive 10-week experience with our technology team that designs, codes, tests, and maintains our distributed trading system and one of the world's largest ...

Culligan

Mechanical Engineer I

Libertyville, IL · On-site

$60K - $70K/yr

Assemble, inspect, troubleshoot, and maintain pilot units and test skids in accordance with ... internship, co-op, laboratory, manufacturing, field service, or project experience. * Working ...

OceanComm, Inc.

Electrical Engineer

Chicago, IL · On-site

$90K - $130K/yr

Design, build, and test analog, digital, and mixed-signal electronics with guidance from ... Experience designing and assembling PCBs through coursework, personal projects, internships ...

OceanComm, Inc.

Electrical Engineer

Chicago, IL

$90K - $130K/yr

Design, build, and test analog, digital, and mixed-signal electronics with guidance from ... Experience designing and assembling PCBs through coursework, personal projects, internships ...

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Test Engineer Internship information

See Addison, IL salary details

$10

$46

$69

How much do test engineer internship jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for test engineer internship in Addison, IL is $46.67, according to ZipRecruiter salary data. Most workers in this role earn between $34.90 and $59.23 per hour, depending on experience, location, and employer.

What is a test engineer internship?

A Test Engineer Internship is a temporary, hands-on role where interns assist in testing software or hardware products to ensure quality and functionality. Interns typically work with test plans, execute test cases, document results, and report bugs. They may use automated or manual testing techniques and collaborate with developers to improve product performance. This internship provides valuable experience in debugging, quality assurance, and test automation. It helps build technical and analytical skills essential for a career in software or hardware testing.

What types of projects or tasks can I expect to work on during a test engineer internship?

As a Test Engineer Intern, you'll typically be involved in tasks such as writing and executing test cases, identifying software bugs, and helping automate testing processes to improve efficiency. You may collaborate closely with software developers and other testers to ensure features function as intended and meet quality standards. Interns often participate in regular team meetings, contribute to test documentation, and may even help design new testing frameworks or scripts. This hands-on involvement helps you build both technical and teamwork skills, offering valuable exposure to real-world product development cycles.

What are the key skills and qualifications needed to thrive in the test engineer internship position, and why are they important?

To thrive as a Test Engineer Intern, you generally need a foundation in computer science or engineering, analytical problem-solving skills, and familiarity with software development and testing principles. Experience with test automation tools (such as Selenium or JUnit), scripting languages, and version control systems is often beneficial, though not always required. Strong attention to detail, effective communication skills, and a willingness to learn new technologies help candidates stand out. These combined skills ensure accurate testing, clear reporting, and a smooth integration within engineering teams, which are critical for delivering high-quality products.

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Test Engineer Internship jobs near you
Infographic showing various Test Engineer Internship job openings in Addison, IL as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 12% Part Time, 1% Temporary, 2% Contract, and 1% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $97,065 per year, or $46.7 per hour.

Mechanical Engineer I

Culligan International

Libertyville, IL

$60K - $70K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 13 days ago

Key responsibilities

  • Create, revise, and maintain 2D drawings and 3D models using SolidWorks and AutoCAD.

  • Support laboratory and pilot testing activities including equipment setup, data collection, test execution, and results documentation.

  • Travel to customer sites to assist with equipment installation verification, startup, commissioning, troubleshooting, and operator training.

Culligan rating

6.3

Company rating: 6.3 out of 10

Based on 133 frontline employees who took The Breakroom Quiz

422nd of 499 rated machine equipment manufacturers

Job description

Responsibilities include creating and revising drawings in SolidWorks and AutoCAD, developing submittals and technical packages, collecting and analyzing test data, troubleshooting pilot equipment, and supporting customer projects from concept through startup. This position is based in the office five days per week with occasional travel to customer sites for testing, installation, startup, and commissioning activities. The role works directly under licensed Professional Engineers (PEs) to gain qualifying engineering experience toward PE licensure and is expected to obtain Engineer-in-Training (EIT) certification by passing the Fundamentals of Engineering (FE) exam.

Responsibilities:

  • Support Global Accounts sales efforts by assisting with equipment selection, proposal development, technical responses, and budgetary estimates.
  • Review customer specifications, drawings, and site information to identify technical questions, missing information, and project risks.
  • Prepare and maintain technical documentation including submittals, BOMs, equipment lists, manuals, startup packages, and closeout documents.
  • Create, revise, and maintain 2D drawings and 3D models using SolidWorks and AutoCAD.
  • Update P&IDs, General Arrangement drawings, piping layouts, and fabrication details while maintaining revision control.
  • Support laboratory and pilot testing activities including equipment setup, data collection, test execution, and results documentation.
  • Assemble, inspect, troubleshoot, and maintain pilot units and test skids in accordance with engineering drawings and safety requirements.
  • Travel to customer sites to assist with equipment installation verification, startup, commissioning, troubleshooting, and operator training.
  • Collaborate with engineering, manufacturing, service, and sales teams to deliver accurate documentation, resolve technical issues, and support successful project execution.
  • Perform other tasks as needed to support business needs and customers.

Requirements:

  • Bachelor of Science degree in Mechanical Engineering or a related engineering discipline.
  • 0-2 years of engineering, internship, co-op, laboratory, manufacturing, field service, or project experience.
  • Working knowledge of SolidWorks, AutoCAD, mechanical drawings, fluid systems, pumps, valves, piping, and technical documentation.
  • Strong communication, organizational, and problem-solving skills; ability to work under the supervision of a licensed Professional Engineer (PE), obtain Engineer-in-Training (EIT) certification through the FE exam, and pursue PE licensure.
  • S. citizenship required; must be available to work on-site four days per week and travel up to 50% to support customer, project, and business needs.

Competencies:

To perform the job successfully, an individual should demonstrate the following competencies in this position:

Attention to detail                    Mechanical aptitude                Quality-focused mindset

Problem -solving skills            Teamwork & Collaboration      Time management             Safety awareness  

Target Salary Range: $60,000 - 70,000 per year, paid hourly.  Exact pay will be based on factors including, but not limited to relevant education, qualifications, experience, level, geographic location, and business and organizational needs.  Full-time positions are eligible for competitive benefits, including: paid time off, health, dental, vision, life, disability benefits and 401(k). 

Culligan International Company is an Equal Opportunity Employer.

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