Engineering Technical Sales Internship

Own your future as an intern at Ecolab! Our internship program provides you with invaluable insights from leaders across Ecolab, engaging and challenging projects, opportunities for personal and professional growth, extensive networking, and the chance to immerse yourself in our innovative and dynamic environment.

Ecolab is seeking Engineering Technical Sales Interns to join our summer 2026 technical sales internship program. You will help identify and propose solutions to preserve energy and water, minimize our customers' environmental footprint and increase productivity. You will combine a traditional engineering approach with a consultative sales approach focused on strong account leadership skills and retention of strategic accounts. You will also learn how to build long-term relationships with a large customer base by understanding their key business drivers, providing strategic resolution through hands-on problem solving, and offering new digital technology solutions.

What's in it For You:

• The opportunity to take on some of the world's most meaningful challenges, helping customers achieve clean water, safe food and healthy environments

• The ability to make an impact and shape your career with a company that is passionate about growth

• The support of an organization that believes it is vital to include and engage diverse people, perspectives and ideas to achieve our best

• Apply what you learn in the classroom to meaningful projects that have genuine business impact

• Finish your internship with a realistic job preview of what a "day in the life" of an Ecolab associate looks like

• Be considered for a full-time job offer (to start upon graduation) at the end of a successful internship into an Associate District Representative role.

What You Will Do:

• Complete an independent project(s) under primary trainer's direction to yield calculated ROI

• Complete safety training & technical lessons that serve as an introduction to water treatment applications

• Observe and participate in service as it is provided to customers to assure accurate chemical application, process optimization and documentation

• Complete introductory training of the consultative sales approach

• Visit multiple customer sites across the region (40-100% of training time spent in field) to learn best practices and types of unit applications and treatment approaches

• Build key relationships and interaction with departments and personnel that will be critical to success in the field

• Work within various regional sales districts and customer locations to build specific technical knowledge and gain sales experience while helping customers achieve their sustainability goals.

• Provide routine service support to Sales Representative. May be subject to testing includes Boilers, Cooling towers, Closed loops, R.O. and filtration.

Position Details:

• 11-week paid internship program, starting on Monday, June 1st

• Willing to relocate within the United States. Nationwide locations available

• Relocation assistance may be available

• Opportunity for a hybrid work environment, balancing field days with working remotely

Minimum Qualifications:

• Pursuing undergraduate degree in Engineering (Chemical, Mechanical, Environmental, Industrial) graduating in December 2026 or Summer 2027

• Immigration sponsorship not available for this role

• 11-week paid internship program, starting on Monday, June 1st

• Position requires a valid US Driver's License and acceptable motor vehicle record and access to a personal vehicle

Physical Demands:

• Position requires lifting/pushing/carrying up to 50 pounds chest high

About Ecolab

A trusted partner at nearly three million customer locations spanning over 170 countries, Ecolab is the global leader in water, hygiene and infection prevention solutions and services. Our team delivers comprehensive solutions, data-driven insights and personalized service to advance food safety, maintain clean and safe environments, optimize water and energy use, and improve operational efficiencies and sustainability for customers in the food, healthcare, hospitality and industrial markets.

When you come to work at Ecolab, you get to take on some of the world's most meaningful challenges and have the opportunity to learn and grow, shape your career, make an impact and quickly see the importance of your work.

Anticipated Job Posting End Date:

$23.00 - $25.00 per hour.

Annual or Hourly Compensation Range:

$23.00 - $25.00 per hour. Many factors are taken into consideration when determining compensation, such as experience, education, training, geography, etc. We comply with all minimum wage and overtime laws.

Benefits

Ecolab provides the following benefits: medical, dental, vision, life insurance, accident insurance, critical illness insurance, hospital indemnity insurance, auto insurance, home insurance, pet insurance, identity theft protection, short-term and long-term disability, 401k, pension plans, retirement health care benefits, short-term incentives, vacation (12 days), holidays, parental leave, employee stock purchase plans (Full-Time Associates), discount on day care services and caregiver services, adoption assistance, group legal services, employee assistance program, employee discount program, and education assistance program, on-Site childcare and fitness facilities may be available at select Ecolab locations. Click here for additional benefits information. If you are viewing this posting on a site other than our Ecolab Career website, view our benefits at jobs.ecolab.com/working-here.

Potential Customer Requirements Notice

To meet customer requirements and comply with local or state regulations, applicants for certain customer-facing roles may need to:

- Undergo additional background screens and/or drug/alcohol testing for customer credentialing.

- Be fully vaccinated for COVID-19, including a booster if eligible, unless a religious or medical accommodation is requested by the applicant and approved by Ecolab.

Americans with Disabilities Act (ADA)

Ecolab will provide reasonable accommodation (such as a qualified sign language interpreter or other personal assistance) with our application process upon request as required to comply with applicable laws. If you have a disability and require accommodation assistance in this application process, please visit the Recruiting Support link in the footer of each page of our career website.