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Technical Sales Representative - Nuclear Power Industries

Ecolab · Naperville, IL · $93,800–$140,600 a year · Full time

Posted Oct 2, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you grew revenue in an existing account through consultative selling.

What they are checking: Whether they find new value by understanding the customer's operation rather than just pushing products.

Tell me about a time a customer was unhappy with your service. How did you fix the relationship?

What they are checking: Whether they take ownership and rebuild trust instead of becoming defensive.

How do you manage your time across several large accounts spread over a region?

What they are checking: Whether they can organize a territory so no account feels neglected.

What would you do

A competitor has held a nuclear account for years. How would you begin to win it?

What they are checking: Whether they have the patience and strategy to break into a conservative, loyal customer.

A plant has a chemistry excursion during an outage. How do you support them?

What they are checking: Whether they respond quickly, coordinate technical support and stay calm when the stakes are high.

How would you introduce a new technology to a customer that is cautious about change?

What they are checking: Whether they can make a careful, evidence-based case that respects the plant's risk culture.

About the work

What are the main water chemistry concerns in a nuclear plant's secondary and cooling systems?

What they are checking: Whether they understand corrosion, scaling and biofouling risks that affect safe and reliable generation.

How does selling into a nuclear plant differ from selling into a typical industrial plant?

What they are checking: Whether they understand the strict qualification, change control and documentation that nuclear customers require.

What does a system assurance program mean to you, and how would you show its value to a plant manager?

What they are checking: Whether they can connect monitoring and service to reliability and risk reduction the customer cares about.

How do you present data to a customer to prove your program is working?

What they are checking: Whether they can tie trend data to the outcomes a plant tracks, like uptime and equipment life.

Practice this interview out loud.

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The full job description

As published by Ecolab.

As the industry leader in water technology, we’re growing and need talented people like you to help us continue to protect the world’s most vital resource. Nalco Water, an Ecolab Company, is seeking a Technical Sales Representative to join its industry leading sales team. You’ll be responsible for revenue and profit growth of programs and services in targeted accounts. With a consultative sales approach, you’ll build relationships with existing customers by understanding their key business drivers and executing system assurance programs. With strong account leadership, you’ll also convert strategic competitive accounts and sell new technologies to current customers. What’s in it For You: • You will join a growth company offering a competitive base salary, bonus structure and benefits • Receive a company vehicle and cell phone • Opportunity for 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 • Culture that values safety first, including training and personal protection • Feel proud each day to work for a company that provides clean water, safe food, abundant energy and healthy environments What You Will Do: • Supporting industrial water treatment programs that are critical to safe, reliable, and efficient power generation. • Monitoring and optimizing cooling-water and related treatment programs, chemical feed systems, water chemistry, and digital monitoring/control technologies. • Performing routine field testing, equipment inspection, calibration, troubleshooting, chemical inventory management, and program-performance reporting. • Working closely with station chemistry, operations, maintenance, and other customer stakeholders to identify risks, resolve treatment challenges, and improve plant reliability and thermal performance. • Supporting condenser and heat-exchanger performance, biological and scale control, corrosion management, lake/raw-water management, and other site-specific water applications. • Participating in periodic plant outages, inspections, technical reviews, KPI meetings, and business reviews. • Maintaining strong procedural adherence, human-performance practices, and a safety-first mindset appropriate for highly regulated nuclear generating facilities. • Developing strong customer relationships while identifying opportunities to deliver measurable operational, reliability, sustainability, and economic value. Territory/Location Information: • This position is based in the Chicago suburbs • Territory covers Dresden, LaSalle, Clinton IL. • Targeted accounts are within the nuclear power industries • <25% overnight travel required Position Details: This territory covers a regional portfolio of power generation facilities across northern and central Illinois, primarily supporting the nuclear power industry , within approximately a 100-mile radius of Joliet, IL. This is a remote, field-based position. While the ideal candidate would be located in the western or southern suburbs of Chicago to provide convenient access to the territory, location flexibility may be considered, the greater distance from the territory may affect required travel and work life balance. Because the assigned facilities are located within a defined regional footprint, the position will require regular travel between customer sites and a strong field presence. The ideal candidate should be comfortable working independently across multiple locations while collaborating closely with the broader Power team and technical resources. Minimum Qualifications: • Bachelor's degree • Three years of 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 Preferred Qualifications: • Bachelor’s degree in engineering (chemical, mechanical, industrial) or life sciences (biology, chemistry, etc.) • Experience in power generation, nuclear operations, industrial water treatment, chemistry, engineering, or other highly regulated industrial environments . • Water treatment or specialty chemical industry experience • Working knowledge of <boilers, cooling towers, and wastewater treatment systems> OR <paper machine operations, wet end chemistry, pulp mill operations>operations, wet end chemistry, pulp mill operations> As a trusted partner, your customers will rely on you for their success. Nalco Water is committed to seeing you succeed and provides several exceptional technical training programs to ensure you’re prepared to solve any customer problem. Training programs are held in the field and at Nalco Water Headquarters in Naperville, IL; travel arranged and paid for by Nalco Water. Based on your skill level, topics covered may include technology, product, service, business and industry acumen, direct coaching and mentoring, management and leadership, classroom training and certifications. About Nalco Water: In a world with increasing water shortage and contamination challenges, Nalco Water, an Ecolab company, helps customers conserve more than 161 billion gallons of water each year. We work with customers across the world in the light industry (institutional, food & beverage, transportation and manufacturing), heavy industry (chemical, power and primary metals industries), paper and mining operations to reduce, reuse, and recycle their water while protecting their systems and equipment. Nalco Water provides the unique opportunity to work with a broad suite of technologies to deliver automated monitoring systems, data analysis and deep technical expertise to increase efficiency, sustainability and performance for our customers. Annual or Hourly Compensation Range The total Compensation range for this position is $93,800-$140,600 which includes base pay and target incentive based on performance, per plan terms. 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. 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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