Since 1911 Dorner Company has provided process & equipment sales, service and training to the Water, Wastewater and Industrial industries. Dorner has expert sales, application specialist & service personnel to serve our broad customer base. We are everything in fluid process control, valves, gates, actuation & water/wastewater specialties.  Dorner Co has is headquartered in Sussex, Wisconsin.  Come join our rapidly expanding team.

The Application Sales Engineer serves as a technical sales expert responsible for driving revenue growth by supporting customers with engineered water treatment solutions. This role combines consultative selling, application engineering, and customer relationship management. The incumbent works closely with customers, internal engineering teams, and operations to assess water treatment needs, design appropriate solutions, prepare technical proposals, and support the full sales lifecycle from opportunity development through system commissioning.

• Serve as the primary technical resource for customers, providing application engineering support for water treatment equipment explaining system design, performance expectations, and operational considerations.
• Develop and manage a sales pipeline by identifying opportunities, qualifying customer needs, and delivering tailored water treatment solutions.
• Conduct on-site customer assessments including water analysis review, system evaluations, and process diagnostics to determine appropriate treatment strategies.
• Prepare technical proposals, system sizing calculations, specifications, and cost estimates in collaboration with engineering and operations teams.
• Present solutions to customers, including technical presentations, return-on-investment discussions, and system demonstrations.
• Collaborate cross-functionally with engineering, project management, service, and manufacturing teams to ensure accurate scope definition and successful project execution.
• Support equipment start-ups, commissioning, and troubleshooting efforts as needed to ensure customer satisfaction and long-term performance.
• Maintain strong relationships with existing customers to drive repeat business, system upgrades, and service opportunities.
• Stay current on industry trends, regulatory requirements, and emerging water treatment technologies.
• Accurately document sales activities, customer interactions, and forecasts in the company’s CRM system.

• None

• BS degree in mechanical or electrical engineering
• Strong communications skills to be able to talk with customers and co-workers clearly and concisely.
• Commitment to providing outstanding customer service
• Strong organizational skills with the ability to schedule and prioritize duties
• Fluid control/handling experience preferred
• Proficient with the Microsoft Office Suite (i.e. Excel, Outlook).
• Must be authorized to work in the U.S.
• Must be honest, respectful, have sound work ethics, and possess a positive attitude.

• Experience selling engineered-to-order water treatment equipment or systems.
• Professional Engineering (PE) license or Engineer-in-Training (EIT) certification.
• Experience supporting municipal or industrial water treatment customers.
• Familiarity with regulatory requirements related to water and wastewater treatment.

While performing the duties of this job, the employee is regularly required to sit.  The employee frequently is required to talk or hear.  The employee is occasionally required to stand and use hands to finger, handle, or feel objects, tools or controls.  The employee must occasionally lift and/or move up to 10 pounds.  Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception, and the ability to adjust focus.  Standard office environment. While performing the duties of this job, the employee is occasionally exposed to fumes or airborne particles. The noise level in the work environment is minimal.

Benefits:  

• Health insurance 
• 401(k) 
• Dental insurance 
• Life insurance 
• Paid time off 
• Vision insurance 

We are an Equal Opportunity Employer. We are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local laws.

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