Demo

Field Service Technician

Nalco Water, An Ecolab Company
Madison, WI Full Time
POSTED ON 4/24/2026
AVAILABLE BEFORE 6/21/2026
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 Technician 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

  • 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
  • Provide routine service support to execute agreed upon customer system assurance plans
  • Provide technical support; identifying and resolving customer pain points.
  • Install, calibrate, and maintain chemical feed equipment and process monitoring equipment at customer accounts. The equipment installations take place in a variety of applications including in Boiler houses, Wates Water etc. Note: These task requires knowledge of plumbing and electrical disciplines.

Position Details

  • This position will be based in Madison, WI
  • The territory for this position covers a 200 mile radius
  • Up to 50% 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
  • 2 years of experience in industrial/mechanical environment
  • Position requires a current and valid Driver’s License with no restrictions
  • No immigration sponsorship available for this position

Physical Requirements Of Position

  • Lifting up to 50 pounds
  • Exposure to hot, cold, noisy, or dirty environments
  • Stooping, kneeling, crouching, reaching, balancing, walking, standing, climbing

Ecolab is committed to providing reasonable accommodation to qualified individuals with a disability.

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.

Annual Or Hourly Compensation Range

The pay range for this position is $54,100-$81,200. 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 strives to provide comprehensive and market-competitive benefits to meet the needs of our associates and their families. Click here to see our benefits.

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.

Nuestro compromiso con una cultura de inclusión y pertenencia

Ecolab está comprometido con el trato justo e igualitario de todas las personas colaboradoras y postulantes, y con la promoción de los principios de igualdad de oportunidades en el empleo. Reclutaremos, contrataremos, promoveremos, transferiremos y brindaremos oportunidades de desarrollo con base en las calificaciones individuales y el desempeño laboral, en todos los aspectos relacionados con el empleo, la compensación, los beneficios, las condiciones laborales y las oportunidades de crecimiento. Ecolab no discriminará a ninguna persona colaboradora ni postulante por motivos de raza, religión, color, credo, nacionalidad, estado de ciudadanía, sexo, orientación sexual, identidad y expresión de género, información genética, estado civil, edad o discapacidad.

Salary : $54,100 - $81,200

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