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Salary
$46k – $50k per year
Location
Hybrid (Saint Louis, San Francisco, Salt Lake City, Cleveland, New York, United States)
Seniority
Intern
Visa
No sponsorship (stated in the posting)
Employment
Internship

Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Oct 22, 2026. Ecolab scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Ecolab is a water, hygiene and infection prevention company headquartered in Saint Paul, Minnesota, supplying cleaning and sanitation chemicals, water treatment programs, food safety services and pest elimination to restaurants, hotels, hospitals, food and beverage plants and heavy industry. Founded in 1923, it is a Fortune 500 company that serves customers at more than 100,000 sites worldwide and owns Nalco Water, its industrial water treatment business. Openings cover sales and territory managers, field service representatives, food safety specialists, lab and manufacturing staff, logistics associates, finance analysts and data and AI engineers.

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 seekingEngineering Technical Sales Interns to join our summer2027technicalsalesinternship program.Youwill helpidentifyand propose solutions to preserve energy and water, minimize our customers’ environmentalfootprintand 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’sin it For You:

  • The opportunity to take on some of the world’s most meaningful challenges, helping customers achieve clean water, safefoodand 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,perspectivesand 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 internshipintoan AssociateDistrictRepresentative 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 andparticipatein service as it is provided to customers to assureaccuratechemical application, processoptimizationand 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 testingincludesBoilers, Coolingtowers, Closed loops, R.O. and filtration.

Position Details:

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

  • Willing torelocatewithin the United States. Nationwide locations available

  • Relocationassistancemay 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 inDecember 2027or Summer 2028

  • Immigration sponsorship not available for this role

  • 11-week paid internship program, starting onTuesday, 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 atnearly threemillion 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,maintainclean and safe environments,optimizewater and energy use, and improve operational efficiencies and sustainability for customers in the food, healthcare,hospitalityand industrial markets.

When you come to work at Ecolab, you get to take on some of the world’s most meaningful challenges andhave the opportunity tolearn and grow, shape your career, make animpactand quickly see the importance of your work.

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.

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.

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