[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Ecolab jobs](https://jobs.opennash.com/companies/ecolab/) · [Search jobs](/search/) Ecolab · London, United Kingdom # Field Service Representative London, United Kingdom Full-time Listed on Ecolab’s official careers site. Posted September 10, 2026. Check that it is still open and apply there. [Apply on Ecolab’s careers site →](https://jobs.ecolab.com/global/en/job/EIYEIEUSR00295571EXTERNALENGLOBAL/Field-Service-Representative) [OpenNash Jobs](https://jobs.opennash.com/) / [Ecolab](https://jobs.opennash.com/companies/ecolab/) / Field Service Representative ## Job description 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. ### What You Will Do Generate and execute work plans and strategies to support our business operations within existing customer base, and in major, competitively-held accounts, to meet defined territory Scope of Work goals. - Work closely with our sales teams in large, strategic current and prospective customers to understand business needs and recommend continuous improvement and innovation plans that will maintain and grow sales within assigned territory - Develop strong relationships with key stakeholders within current and prospective customers, including plant or facility executives - Engage in problem solving by performing system analysis, interpreting data and providing written recommendations to ensure customer operations are performing at optimal levels - Demonstrate the ability to stabilize jeopardy business in large, strategic accounts. ### Minimum Qualifications Bachelor's degree or proven experience working in water treatment Technical sales or field sales support experience Possess a valid Driver's License and acceptable Motor Vehicle Record Immigration sponsorship is not available for this role Location London and South East Preferred Qualifications: Bachelor’s degree in engineering (chemical, mechanical, industrial) or life sciences (biology, chemistry, etc.) Water treatment or specialty chemical industry experience Working knowledge of Data Centre water operations, permitting processes and maintenance requirements 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. You’ll join a growth company offering a competitive base salary, bonus structure and benefits A company vehicle and cell phone A long term, advancing career path in service, sales or management Access to the industry’s most innovative training programs Support from a dedicated technical service team A culture that values safety first, including training and personal protection Pride in working for a company that provides clean water, safe food, abundant energy and healthy environments 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. ## At a glance - Posted by the employer: Sep 10, 2026 - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 39 days - Location: London, United Kingdom - Employment type: Full-time[Apply on Ecolab’s careers site →](https://jobs.ecolab.com/global/en/job/EIYEIEUSR00295571EXTERNALENGLOBAL/Field-Service-Representative) ## More jobs at Ecolab ### [Industry Technical Consultant - Water Treatment & Closed Loop Systems (Chemical Engineering)](https://jobs.opennash.com/companies/ecolab/jobs/272a2b3c3ee3f6b6423a/) London, United Kingdom ### [Pest Technician](https://jobs.opennash.com/companies/ecolab/jobs/d3c9f702fa820364371e/) London, United Kingdom ### [Senior District Manager - South of England](https://jobs.opennash.com/companies/ecolab/jobs/aa7e47f7e567ce525d33/) London, United Kingdom ### [Service Specialist](https://jobs.opennash.com/companies/ecolab/jobs/13344baf482cce4a156c/) London, United Kingdom ## Similar jobs at other companies ### [Field Service Representative/Install Tech](https://jobs.opennash.com/companies/totalenergies/jobs/e69753960faae0edf32a/) TotalEnergies ### [CC130J Avionics Field Service Representative](https://jobs.opennash.com/companies/lockheed-martin/jobs/9c31bed4ee2b32ad24e4/) Lockheed Martin · Astra, CAN ### [Field Service Representative (Technologist / Technician)](https://jobs.opennash.com/companies/eaton/jobs/7ce75df228e741c8243f/) Eaton · Calgary, Alberta, CAN ### [Field Service Representative](https://jobs.opennash.com/companies/siemens-energy/jobs/02efa2a661281e903a92/) Siemens Energy OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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