Application Engineer – Industrial Water Treatment

Sepratech Corporation Application Engineer – Industrial Water Treatment

Location: Houston, Baton Rouge, or New Orleans

Travel: 15-30% throughout Gulf Coast region (occasional overnight travel)

About Sepratech: Sepratech Corporation is a rapidly growing industrial water treatment company serving the Gulf Coast region, including Mississippi, Louisiana, Arkansas, Texas, and Oklahoma. Recently acquired by private equity, we are positioned for significant scaling and growth in both our service offerings and geographical penetration. Our leadership team consists of industry veterans with extensive experience at major publicly traded water companies, combining entrepreneurial agility with proven scalability processes.

The Opportunity: We are seeking a highly skilled Application Engineer to join our technical team during an exciting growth phase. This role is critical to our success, serving as the technical backbone for our sales efforts and ensuring optimal system performance for industrial clients across oil refineries, petrochemical facilities, power plants, food manufacturing, and data centers. You’ll have the opportunity to work on cutting‑edge water treatment technologies while supporting our aggressive expansion throughout the Gulf Coast.

• Design and specify industrial water treatment systems including raw water clarification, boiler feed purification, and wastewater treatment solutions. Process equipment includes RO, Filtration, Clarification, DAF, Ion Exchange, etc.
• Develop detailed P&IDs, equipment specifications, and technical drawings for customer projects.
• Perform water chemistry analysis and system modeling to optimize treatment processes.
• Conduct feasibility studies and technical assessments for complex industrial applications.
• Size and select equipment including pumps, tanks, filtration systems, chemical feed systems, and control panels (knowledgeable of HMI and PLC interaction with process).

• Provide technical support throughout project lifecycle from initial design through commissioning.
• Collaborate with procurement and project management teams to ensure technical specifications are met.
• Review vendor submittals and approve equipment selections for compliance with design requirements.
• Conduct factory acceptance testing and witness testing of major equipment components.
• Support field installation activities and provide technical guidance during construction phases.

• Serve as primary technical contact for complex customer inquiries and system troubleshooting.
• Conduct site visits to evaluate system performance and recommend optimization strategies.
• Prepare technical reports, performance guarantees, and compliance documentation.
• Provide training to customer operations personnel on system operation and maintenance.
• Support emergency response and system recovery activities as needed.

• Partner with sales team to develop winning technical proposals and cost estimates.
• Participate in customer presentations and technical meetings to explain system capabilities.
• Provide technical expertise during contract negotiations and specification reviews.
• Support business development efforts by identifying opportunities for system upgrades and expansions.
• Maintain competitive analysis of alternative technologies and treatment approaches.

• Drive continuous improvement initiatives to enhance system efficiency and reduce operating costs.
• Research and evaluate emerging water treatment technologies for potential implementation.
• Develop standard design packages and technical specifications to support company scaling objectives.
• Contribute to the development of proprietary treatment processes and intellectual property.
• Support integration of newly acquired companies by standardizing technical approaches.

• Bachelor’s degree in Chemical Engineering, Mechanical, Environmental Engineering, or related technical discipline.
• Minimum 5-7 years of experience in industrial water treatment design and application.
• Experience with…