Engineering Technical Sales Intern - Field Impact (Hybrid)

Ecolab; St. Louis (MO); Hybrid; USD 32,000 - 34,000; Full time

Benefits offered by this job

Hybrid work environment

Relocation assistance may be available

11-week paid internship

Job summary

Ecolab invites undergrad engineers to join a summer 2027 Engineering Technical Sales Internship, blending engineering with consultative sales across regional accounts. Learn to apply engineering principles to real-world water treatment solutions while building long-term customer relationships.

Over 11 weeks you’ll visit customer sites, receive safety and technical training, and deliver ROI-driven outcomes under a trainer. Hybrid work and relocation support may be available.

Qualifications

• Pursuing undergraduate degree in Engineering (Chemical, Mechanical, Environmental, Industrial) graduating December 2027 or Summer 2028
• Immigration sponsorship not available for this role
• 11-week paid internship program starting June 1st
• Requires a valid US Driver’s License and access to a personal vehicle

Responsibilities

• Complete an independent project(s) under primary trainer’s direction to yield calculated ROI
• Complete safety training & technical lessons related to water treatment applications
• Observe and participate in service to ensure correct chemical application, process optimization and documentation
• Complete introductory training of the consultative sales approach
• Visit multiple customer sites regionwide (40–100% in field) to learn best practices
• Build key relationships with departments and personnel critical to field success
• Work across regional sales districts to gain tech knowledge and drive sustainability goals
• Provide routine service support to the Sales Representative; may include testing boilers, cooling towers, RO and filtration

Job description

Ecolab invites undergrad engineers to join a summer 2027 Engineering Technical Sales Internship, blending engineering with consultative sales across regional accounts. Learn to apply engineering principles to real-world water treatment solutions while building long-term customer relationships.

Over 11 weeks you’ll visit customer sites, receive safety and technical training, and deliver ROI-driven outcomes under a trainer. Hybrid work and relocation support may be available.