Applications Engineer – Industrial Water Systems

Location:

Santa Ana, CA, US

Date Posted: 09-30-2026

In this role, you will support the Industrial Water platform and market expansion across the Americas. This role is responsible for developing technical solutions and preparing proposals for a comprehensive portfolio of products and services, including components, standard systems, custom integrated systems, and field services for industrial water and wastewater treatment applications.

Reporting to the Director of Engineering, you will collaborate closely with Engineering, Drafting, Business Development, Sales, Marketing, Production, and Purchasing teams.

• Provide technical support to Business Development and Sales teams by understanding customer requirements and developing tailored solutions and proposals.
• Contribute to monthly, quarterly, and annual sales targets, including bookings and margin performance.
• Interpret technical specifications and bid documents; prepare technical, commercial, and legal proposal responses to maximize win probability.
• Design and develop Reverse Osmosis (RO), instrumentation, and control systems for standard and custom projects using forecasting software.
• Develop cost-effective solutions in collaboration with Supply Chain to strengthen competitive positioning.
• Prepare water mass balances and system performance projections.
• Partner with Drafting to produce PFDs, P&IDs, general arrangements, equipment layouts, and supporting documentation for proposals and post-award submittals.
• Collaborate with Purchasing, Production, and Supply Chain to prepare detailed cost estimates and project pricing models.
• Develop comprehensive technical and commercial proposals, including process descriptions, scopes of work, equipment lists, and performance guarantees within customer deadlines.
• Support Project Management and Engineering post-award through submittals, production, installation, commissioning, performance testing, and warranty support.
• Build and maintain strong relationships with End Users, EPC firms, and Engineering Consultants.
• Manage project and sales data and communicate updates effectively across the global sales team.
• Perform other related duties as assigned.

• Bachelor’s degree in Chemical, Mechanical, or Process Engineering (or equivalent experience).
• 4+ years of experience in application engineering and proposal development for custom industrial water and wastewater treatment systems, including aeration, clarification, disinfection, media and membrane filtration (NF, RO, UF), water softening, ion exchange, and systems for raw water, boiler water, cooling water, oily water, process water, produced water, ultrapure water, and wastewater treatment.
• Experience modeling treatment solutions based on influent water analysis and effluent quality requirements to meet customer Cap Ex and OpEx objectives.
• Knowledge of technical, commercial, and legal principles related to proposals, costing, pricing, and contract negotiations for risk mitigation.

• Up to 25% travel required; ability to travel internationally preferred.

We designing and manufacture industrial water and wastewater treatment systems for highly regulated marine, offshore, and industrial applications.

We are currently seeking an Applications Engineer to contribute to innovative, custom-engineered projects supporting critical industrial operations. Because our work is highly customized and project-based, this role involves significant technical problem-solving rather than selecting standard, off-the-shelf equipment.

• 401(k) retirement plan with company match
• Medical/health insurance
• Dental insurance
• Vision insurance
• Life insurance
• Disability insurance
• Flexible Spending Account (FSA)
• Paid holidays
• Paid sick time
• Employee stock purchase plan
• Wellness programs and resources, including mental and physical health initiatives
• Career development and growth opportunities

#engineering #membrane #disinfection #reverse-osmosis #ultrafiltration #aeration #integrated-industrial-water-systems #integrated-wastewater-treatment-systems #media-filtration #membrane-filtration #nanofiltration #tier4