Application Engineer

Application / Process Engineer

Location:

Charlotte, NC (Hybrid – 2 days onsite, remainder remote). Compensation: $120,000 – $130,000 per year total compensation (base salary + commission), including full benefits package.

Cullerton Group has a new opportunity for an Application / Process Engineer near Charlotte, NC. The work will be done onsite two days a week, with the remainder remote. During the first three months, the schedule will require being onsite five days per week for onboarding. This is a full‑time, permanent position with total compensation of $120,000 – $130,000 per year including base salary, commission, and full benefits (medical, dental, vision, 401k, PTO, and holiday pay).

This is a highly technical hybrid role that combines application engineering with process system design. You will be responsible not only for preparing proposals, pricing solutions and supporting sales efforts but also for designing complete water treatment systems, developing engineering documentation, and supporting internal and external stakeholders throughout the sales and delivery lifecycle. Your work will directly influence system performance, cost‑effectiveness and customer satisfaction.

• Review RFQs and RFPs for compliance; provide exceptions or clarifications when needed
• Size and select optimal water treatment technologies based on flow, pressure, quality, and process constraints
• Generate proposals with detailed scope, pricing, and documentation in collaboration with the Regional Sales Manager (RSM) and channel partners
• Develop process flow diagrams (PFDs) and assist the design team with general arrangement and layout drawings
• Build and refine cost models, parts databases, and quote templates for accuracy and efficiency

• Design complete water filtration systems, including component selection, materials, layout, and performance analysis
• Support development of piping and instrumentation diagrams (P&IDs) and ensure accurate integration of control elements and instrumentation
• Ensure that all systems meet customer performance requirements, internal quality standards, and relevant regulatory guidelines
• Select appropriate pumps, valves, filters, and instrumentation based on chemical compatibility, flow requirements, and durability
• Create part numbers, order data sheets, and BOMs to support order entry and procurement
• Conduct technical kickoff meetings and collaborate with engineering, purchasing, and manufacturing teams during the project handoff

• Deliver product training and technical presentations to reps, OEM customers, and engineers as needed
• Support new orders through manufacturing, testing, and delivery, working closely with cross‑functional stakeholders
• Maintain strong communication with customers to ensure clarity on scope, expectations, and technical questions
• Review contractor reports and system feedback to inform continuous improvement and long‑term support
• Contribute to application and product knowledge sharing within the team

• Bachelor’s degree in Mechanical, Environmental, or Chemical Engineering (or equivalent experience)
• 3–5 years of experience in water treatment system design, process engineering, or technical applications engineering
• Strong understanding of hydraulic calculations, pressure loss analysis, and component sizing
• Proficiency with 3D CAD and process design tools (Solid Works, AutoCAD P&, etc.)
• Familiarity with process equipment (pumps, valves, sensors, tanks, etc.) and system integration
• Strong technical writing skills for proposals, test plans, and design documentation
• Excellent communication skills and cross‑functional collaboration abilities

• Experience with filtration, RO, DI, or similar water treatment technologies
• Understanding of industry standards (e.g., UL, CSA, ANSI, ASME)
• Prior work in hybrid technical/commercial roles supporting engineered systems

• Hybrid: 2 days in‑office, 3 remote (5 days onsite during first 3 months)
• Occasional travel (up to 10%) for trade shows, customer visits, or team meetings
• Use of standard office equipment and engineering software tools
• May occasionally lift up to 20 lbs when working with prototypes or assemblies