Systems & Process Engineering

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.
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.
401(k)
PTO & holiday pay
Occasional travel - up to 10%

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