Chemistry Intern - 2026 (St. Paul, MN)

About American Engineering Testing (AET) 

At American Engineering Testing (AET), we specialize in geotechnical engineering, construction materials testing, building technology, environmental consulting, forensics, petrography/chemistry, and specialized laboratory services. Our comprehensive investigations, testing, analysis, and design services help reduce uncertainty in horizontal and vertical construction projects. 

Imagine working on rewarding projects within a diverse culture, with access to exceptional training and career development opportunities. AET, a 100% employee-owned engineering consulting firm, offers a collaborative approach from planning to project completion, leveraging the strengths and capabilities of our employees to deliver continuity and reduce uncertainty for our clients. 

Apply now for AET’s 2026 Summer Internship! 

We are seeking motivated individuals pursuing education or careers in Chemistry, Chemical Engineering, Materials Science, or related scientific fields for AET’s Summer 2026 Internship in our Petrography & Chemistry Laboratory located at our St. Paul headquarters. At AET, we value individuals who are curious, detail-oriented, and eager to apply scientific principles to real-world challenges. 

Internship Highlights 

• Hands-On Laboratory Experience: Gain practical experience working alongside our chemists and materials scientists in an accredited laboratory setting. Build upon your academic coursework through hands-on testing, sample preparation, and analytical techniques.
• Real-World Project Involvement: Support laboratory projects involving concrete, aggregates, soils, and other construction materials. Learn to perform standardized testing methods such as pH/alkalinity testing, chloride content analysis, petrographic sample preparation, and other laboratory procedures.
• Mentorship Opportunities: Work closely with experienced laboratory professionals who will guide you through scientific processes, testing methods, and data interpretation.
• Cross-Disciplinary Exposure: Collaborate with teams across petrography, materials engineering, and environmental services to understand how laboratory data informs engineering decisions in the field.
• Networking & Professional Growth: Build connections with industry professionals, attend internal training sessions, and engage in networking opportunities that support your academic and career development.
• Leadership Development: Participate in workshops and learning sessions designed to strengthen your communication, teamwork, and critical-thinking skills.
• Company Culture & Employee Ownership: Experience working in a 100% employee-owned company, where collaboration, scientific curiosity, and accountability are key components of our culture.

Essential Duties and Responsibilities 

• Assist with laboratory testing, sample preparation, and analytical procedures for concrete, soils, aggregates, and other construction materials.
• Support routine laboratory tasks, including mixing solutions, preparing slides, performing measurements, recording data, and maintaining laboratory equipment.
• Assist in performing chemistry-based testing such as titrations, chloride analysis, material composition evaluations, and other standardized laboratory tests.
• Follow laboratory safety protocols and maintain a clean and organized work environment.
• Communicate with laboratory staff, engineers, and project managers as needed.
• Additional miscellaneous assignments on an as-needed basis.

Required Education and Experience 

• High school diploma or equivalent.
• Pursuing Chemistry, Chemical Engineering, or a related degree.
• Strong attention to detail and ability to follow laboratory procedures.
• Ability to frequently lift and carry 30-50 pounds.

Pay Transparency  

Base compensation is expected to be in the range of $20 - $21 per hour. The selected candidate must be authorized to work for any employer in the U.S. 

Work Environment 

This position primarily operates in a laboratory environment, working with chemical samples, testing equipment, and instrumentation. This role secondarily operates in an office environment and uses standard office equipment such as computers, phones, and photocopiers. 

Physical Demands   

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. 

While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; use hands or finger, handle or feel; and reach with hands and arms. The employee is occasionally required to sit; climb or balance, and stoop, kneel, crouch or crawl. The employee must frequently lift and/or move up to 25 pounds and occasionally lift and/or move up to 50-100 pounds. The employee will occasionally push or pull equipment weighing up to 200 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and ability to adjust focus.    

Other Duties 

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice. 

Notice to Third Party Agencies: AET does not accept unsolicited resumes from third party recruiting firms. Absent a signed Service Agreement by AET’s Chief People Officer (CPO), AET reserves the right to pursue and hire these candidates without financial obligation to recruiters or agencies.