Job Description

Job Description

Job Description

Cullerton Group is hiring an Application / Process Engineer for a full-time opportunity near Charlotte, NC. This is a highly technical role combining water treatment process/system design with applications engineering, including RFQs/RFPs, proposals, costing, equipment selection, and customer support.

Charlotte, NC | Hybrid

up to $130K total compensation + full benefits

Full-Time | Permanent

The position will be onsite 5 days/week during the first 3 months for onboarding, then transition to a hybrid schedule of 2 days onsite and 3 days remote.

What You’ll Do

• Design complete water treatment and filtration systems
• Review RFQs/RFPs and develop technical proposals, scopes, and pricing
• Perform hydraulic calculations, pressure-loss analysis, and equipment sizing
• Develop PFDs and support P&IDs, layouts, and system documentation
• Select pumps, valves, filters, instrumentation, materials, and other system components
• Develop BOMs, data sheets, cost models, and quote packages
• Work directly with customers, sales, engineering, purchasing, and manufacturing
• Support projects from initial application and proposal through manufacturing, testing, and delivery
• Provide technical presentations and product/application training

What We’re Looking For

• Bachelor’s degree in Mechanical, Chemical, Environmental Engineering, or equivalent experience
• 3–5+ years of water treatment system design, process engineering, or technical applications engineering experience
• Hands-on experience with water treatment/filtration systems
• Strong understanding of hydraulics, pressure loss, component sizing, and system integration
• Experience with PFDs/P&IDs and 3D CAD/design tools such as SolidWorks or AutoCAD
• Knowledge of pumps, valves, filters, tanks, sensors, instrumentation, and related process equipment
• Strong technical writing and customer-facing communication skills

Experience with filtration, reverse osmosis (RO), deionization (DI), or similar water-treatment technologies, along with previous experience supporting RFQs, proposals, costing, or engineered-system sales.

• Benefits
• Medical, dental & vision
• 401(k)
• PTO & holiday pay
• Occasional travel – up to 10%

If your background combines water-treatment process design with applications engineering, I’d love to connect. Please apply or message me directly to learn more.

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