Internship Customer Engineer Jobs in Wisconsin (NOW HIRING)

2026 Construction Materials and Geotechnical Engineering Interns - Waukesha, WI

Intertek, a leading provider of quality and safety solutions to many of the world's top-recognized brands and companies, is actively seeking a highly motivated Construction Materials and Geotechnical Engineering Interns for the year 2026 to join our Professional Services Industries, Inc. (Intertek-PSI) team in Waukesha, WI. This is a fantastic opportunity to learn a versatile skills in the engineering, and construction industry.

Professional Service Industries, Inc. (Intertek-PSI) is a leading US based provider of construction assurance, testing and inspection in civil and commercial construction. Our broad service offering includes construction materials testing, geotechnical services, environmental engineering, industrial hygiene, and specialty testing.

What are we looking for?

The 2026 Construction Materials and Geotechnical Engineering Interns is responsible for performing a variety of laboratory testing, site assessment, engineering duties and administrative tasks under general supervision.   

Salary & Benefits Information:

In addition to competitive compensation packages, full-time benefit - eligible employees at Intertek can expect benefits such as medical, dental, and vision coverage, life and disability insurance, a 401(k) plan with company matching, generous paid time off for vacation and sick leave, tuition reimbursement, and more. Please note that these benefits are not applicable to interns.

As an intern at Intertek Building & Construction, you will receive hands-on training and mentorship, allowing you to gain valuable insights and skills in your field of study. Additionally, you will have opportunities to network with industry experts, shadow within different roles and departments, and connect with fellow interns and professionals. To support your development needs, we offer flexible work schedules and a collaborative work environment.

What you'll do:

• Perform a variety of testing, project specific observations and site assessment duties under direct supervision and/or from detailed controlled procedures.
• Operate testing equipment and conducts testing (example: Soil, concrete or other) and provides assessment of data through reporting
• Work utilizing drawings, specifications, and diagrams
• Use specific methods to observe site activities and perform tasks
• Make detailed observations and gives limited interpretation of results
• Maintain detailed documentation and data from test results
• Communicate effectively with client and project teams
• Assist in classifying soil samples and various geotechnical laboratory testing
• Assist in preparing work order for construction material testing
• Provide back-up support for other department administrative staff 
• Perform data entry maintenance in company systems

This position outline is a general guideline and does not represent all encompassing details. The position assumes that the incumbent has both the mental and physical requirements to carry out the above defined duties.  

Minimum Requirements & Qualifications:

• Must be currently enrolled in a Civil Engineering, Geotechnical Engineering or Construction Management degree program at an accredited University
• Valid driver's license and reliable driving record is required
• Must be able to work off shifts and overtime
• Ability to communicate and interact effectively in verbal & written communication
• Must be able to read and understand work plans
• Ability to lift, move, push and pull 30 to 50 pounds frequently. Occasionally, over 50 pounds with assistance.
• Ability to receive detailed information through oral communication, (hearing) and to make the discriminations in sound.
• Ability to kneel and squat occasionally
• Ability to walk and stand for long periods of time
• Ability to work outdoors in adverse weather conditions (hot and cold)
• Ability to climb occasionally

Intertek: Total Quality. Assured.

Intertek is a world leader in the Quality Assurance market, with a proven, high-quality business model and a global network of customer-focused operations and highly engaged subject matter experts. With passion, pace, and precision we work to exceed our customers' expectations, while engaging with our employees to be 10X in their performance and professional growth.

Intertek is a drug-free workplace. As a condition of employment, certain positions may be required to pass a pre-employment drug test based on the type of work that will be performed.

We Value Diversity

Intertek's network of phenomenal people are our greatest assets, and the diversity they bring fuels our success. Intertek is an Equal Employment Opportunity Employer that values inclusion and diversity. We take affirmative action to ensure all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other legally protected characteristics.

For individuals with disabilities who would like to request accommodation, or who need assistance applying, please email hr.eeo@intertek.com or call 1-877-694-8543 (option #5) to speak with a member of the HR Department.

#LI-HB1  CA-HB

*Intertek does not accept unsolicited approaches from agencies and will not pay a fee for any placement resulting from the receipt of an unsolicited resume. 

Intertek is a leading Total Quality Assurance provider to industries worldwide. Our network of more than 1,000 laboratories and offices in more than 100 countries, delivers innovative and bespoke Assurance, Testing, Inspection and Certification (ATIC) solutions for our customers' operations and supply chains. Working at Intertek means joining a global network of state-of-the-art facilities and passionate people who deliver superior customer service with a purpose of bringing quality, safety, and sustainability to life. The Building & Construction team provides assurance, testing, inspection, and certification services and building science solutions to deliver Total Quality Assurance to the built environment. The team offers the architectural, engineering and construction (A/E/C) industry with a full suite of capabilities both in the lab and on site.