Application Support Engineer Jobs in Delaware

Solenis is a leading global provider of water and hygiene solutions. The company’s product portfolio includes a broad array of water treatment chemistries, process aids, functional additives, cleaners, disinfectants, and state-of-the-art monitoring, control and delivery systems. These technologies are used by customers to improve operational efficiencies, enhance product quality, protect plant assets, minimize environmental impact, and create cleaner and safer environments. Headquartered in Wilmington, Delaware, the company has 78 manufacturing facilities strategically located around the globe and employs a team of over ~23000 professionals in >160 countries across six continents. Solenis is a 2025 Best Managed Company Gold Standard honoree.

For additional information about Solenis, please visit www.solenis.com or follow us on social media.

Application Engineer - Supplemental Disinfection

Thank you for exploring a career with Chem-Aqua, an international company where we work in small teams that have a direct impact on success. We are seeking a highly motivated Application Engineer to join our team. The Application Engineer, Supplemental Disinfection can be based anywhere in the US and will support our Chem-Aqua Supplemental Disinfection Division. This person is integral to the daily operation of the business and requires a motivated self-starter who can work independently and in a fast-paced environment.

This position offers an exciting opportunity to lead a growing part of the business with a diverse set of job duties and a range of opportunities for career advancement. Position requires travel approx. 50% but up to 75%. Chem-Aqua has a culture that recognizes results, while embracing the importance of work/life balance. Join the Chem-Aqua team, where your initiative and contributions will be noticed and make a difference.

A little about us

Applying for a new job is a little like entering uncharted territory. We want you to feel 100% confident about the application process, the position and our company before committing your time to apply, so that none of the above comes as a surprise. Let’s start with some information about our company, Chem-Aqua, so you can get to know us better.

Chem-Aqua is a subsidiary company of NCH Corporation, a privately held, family-owned, global business headquartered in Irving, Texas, near Dallas. NCH has more than 7,500 employees, offices and facilities on six continents, and clients in more than 50 countries. This includes the corporate headquarters as well as the other subsidiary companies. We clean and conserve water, save energy, and deliver best-in-class maintenance solutions, with a focus on industrial and commercial businesses.

• About Chem-Aqua and our history
• Our products and solutions
• NCH brands and divisions

Culture and benefits

We’re a global company with a family feel, offering the same benefits of an international corporation with the personal relationships of a small business. Working in our small teams and close-knit environment, you’d never guess we had a 7,500+ employee head count. We realize a job is more than just a job – it’s an extension of your life and family – and we’re committed to maintaining just that. For us, culture is not just a perk; it’s essential to how we thrive. And that’s speaking for 100 years in the business!

• Employee-centric environment (regular corporate activities, personal relationships, small teams)
• Family-first attitude (work-life balance support, flexible hours)
• Approachable leadership (collaboration with top leaders, open-door policy)
• Growth-oriented mindset (autonomy, creative freedom to explore new ideas)
• Paid vacation and holiday leave
• Wellness initiatives (on-site fitness facility and cafeteria, treadmill conference room, planned activities)
• Community involvement (volunteering, fundraisers, charity events, school sponsorships and donations)
• Employee recognition programs (appreciation week, awards and ceremonies)
• Personal and professional development and growth
• Tuition reimbursement
• Financial wellness (retirement options, 401K match, employee credit union)
• Benefits package (medical, dental, vision, life, long and short-term disability)

If this sounds like a fit for you so far, keep reading.

Responsibilities:

• Primary role will be to support our Supplemental Disinfection Team. The Application Engineer, Supplemental Disinfection will work with our sales force, customers, engineering, and technical marketing group to develop, design, install, and service supplemental disinfection equipment systems.
• Responsibilities include: administrative, technical, consultative, and sales support.
• Provide commissioning/startup services for supplemental disinfection equipment.
• Support equipment in existing supplemental disinfection applications. This includes routine maintenance on equipment and telephone support for field reps.
• Audit existing applications and confirm service expectations are being met
• Consult customers to determine the appropriate water treatment and maintenance practices to minimize the risks associated with Legionella and other waterborne pathogens.
• Collaborate with technical marketing and engineering teams to improve processes, documentation, literature, and collateral material.
• Other projects and administrative duties as assigned by manager.

Position Requirements:

The ideal applicant will have:

• Familiarity with premise plumbing systems both potable and non-potable.
• Experience with PLCs, control theories (proportional, integral, derivative, and their combinations), flow based control, sensor based control.
• A Bachelor of Science with a GPA above 3.0. Focus on engineering, biology, or chemistry preferred.
• Proficiency in Microsoft Power Point, Excel, Word, and Outlook.
• Strong interpersonal skills and an affinity to working with an interactive team.
• Great organizational skills, attention to detail, follow through, and ability to manage multiple projects at once.
• A high level of professionalism and strong communication skills.
• The ability to survey facilities, take detailed notes, and produce reports based on findings.
• The ability to speak comfortably in front of large groups during training and education seminars.
• A positive attitude, a commitment to client service and a willingness to support the office team with a variety of assignments.

Benefits:

NCH Corporation offers a full suite of benefits, employee development and recognition programs, and a convenient location with a fitness facility and restaurant located within our campus.

Sound like a fit for you?

If yes, jump aboard, and apply today.

For next steps, expect a direct phone or email response once we are able to review your application. We are committed to responding to all applicants, no matter the outcome, so we appreciate your patience to allow time for this. In the meantime, learn more about Chem-Aqua and our culture by checking out our LinkedIn or Facebook pages.

At Solenis, we understand that our greatest asset is our people. That is why we offer competitive compensation, comprehensive benefits which include medical, dental, vision & 401K, and numerous opportunities for professional growth and development. So, if you are interested in working for a world-class company and enjoy solving complex challenges, whether in the lab or the field, consider joining our team.

Solenis is proud to be an Equal Opportunity Affirmative Action Employer, including Minorities / Women/ Veterans / Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Should you require assistance in applying to this opportunity, please reach out to Solenis Talent Acquisition at talentacquisition@solenis.com