Demo

Field Service Rep I - Water

Nalco Water, An Ecolab Company
Marion, IN Full Time
POSTED ON 4/19/2026
AVAILABLE BEFORE 5/23/2026
Want to build a brighter, bolder future and cultivate your career? Join Ecolab’s team and help create a world in which we all thrive.

Nalco Water, an Ecolab company, helps customers conserve more than 161 billion gallons of water annually. We serve industries from food & beverage to mining and manufacturing, delivering innovative solutions that reduce, reuse, and recycle water while protecting systems and equipment. Our team combines deep technical expertise with smart technology to drive efficiency, sustainability, and performance.

Ecolab is seeking a (Field Service Representative I – Install OR Hygiene) where your hands-on skills and customer-first mindset will help shape a more sustainable future. You’ll be part of a purpose-driven team that supports water treatment and disinfection systems across a variety of industries. You’ll work independently in the field, building trusted relationships with customers and delivering solutions that protect vital resources and improve operational performance.

How You’ll Make an Impact (add/remove applicable job duties):

  • Deliver expert service and support for cooling tower cleaning and water disinfection
  • Provide technical support and escalate complex challenges as needed
  • Build strong relationships with customers and promote best practices
  • Ensure full compliance with safety policies and procedures
  • Execute required chemistry tests, log and report data, and maintain product inventories at customer accounts
  • Provide routine service support to Sales Representatives in strategic district accounts to execute agreed upon customer system assurance plans
  • Provide technical support to customers; identifying and resolving customer pain points, escalating as required
  • (Install:) Install, calibrate, and maintain chemical feed equipment and process monitoring equipment at customer accounts 
  • (Hygiene:) Execute cooling tower cleaning, treatment, and large-scale water disinfection
  • (Hygiene:) Operate power washers, industrial vacuums, and basic hand/power tools to complete service tasks

Position Details

  • This position will be based in (CITY, STATE)
  • The territory for this position covers a (XX) mile radius
  • Targeted accounts are within the (specific division – ex: manufacturing, global high tech, downstream, etc.) industries
  • Up to (XX)% overnight travel

What’s Unique About This Role

  • You’ll work in a dynamic, hands-on environment with autonomy and support
  • You’ll help customers meet sustainability goals while protecting their critical assets
  • You’ll gain access to industry-leading training and development programs

Minimum Qualifications

  • High school diploma or equivalent
  • 1 year of experience in water treatment or an industrial/mechanical environment
  • Position requires a current and valid Driver’s License with no restrictions
  • No immigration sponsorship available

Physical Demands

  • Position requires lifting up to 50 pounds
  • Position may require exposure to hot, cold, noisy, or dirty environments
  • Position requires stooping, kneeling, crouching, reaching, balancing, walking, standing, climbing

Preferred Qualifications

  • Associate’s degree or trade school certification
  • Demonstrated mechanical aptitude
  • Experience in water treatment or specialty chemical industry
  • Familiarity with boilers, cooling towers, and wastewater treatment systems
  • Proficiency with Microsoft Office Suite

What’s In It For You

  • Starting on Day 1: Access to our comprehensive benefits package including medical, dental, vision, matching 401K, company-paid pension, stock purchase plan, paid parental leave, select discounted childcare resources, and more! 
  • 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. 

About Ecolab

At Ecolab, we prioritize our talent-first philosophy by creating the most capable and diverse team to excel at our nearly three million customer sites. Building on a century of innovation, our 48,000 associates help deliver comprehensive science-based solutions, data-driven insights and world-class service to advance food safety, maintain clean and safe environments, and optimize water and energy use, and improve operational efficiencies and sustainability for customers in the food, healthcare, life sciences, hospitality and industrial markets in more than 170 countries around the world. Our solutions not only enhance operational efficiency but also contribute to sustainability and public health, making a positive impact on the world. We are committed to eliminating unnecessary complexities and embracing a beginner's mindset, continuously seeking new perspectives and innovative solutions to stay ahead in a rapidly changing world.

Our Commitment to a Culture of Inclusion & Belonging

Ecolab is committed to fair and equal treatment of associates and applicants and furthering the principles of Equal Opportunity to Employment. We will recruit, hire, promote, transfer and provide opportunities for advancement based on individual qualifications and job performance in all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement. Ecolab will not discriminate against any associate or applicant for employment because of race, religion, color, creed, national origin,citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, or disability.

Salary.com Estimation for Field Service Rep I - Water in Marion, IN
$45,056 to $56,762
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