QUA - Applications Engineer (Membrane Technology)

Aquatech International; United States; Remote; USD 90,000 - 120,000; Full time

Benefits offered by this job

401K plan

Paid time off

Job summary

Aquatech International seeks an Applications Engineer to advance the QUA Technologies portfolio. This role suits a technically strong engineer with hands-on membrane system design (UF, RO, EDI) and deep water chemistry knowledge.

You will design membrane treatment systems, develop PFDs/P&IDs, analyze water chemistry, and support sales with technical proposals. Collaboration with Engineering, R&D, Product Management, and Operations is essential, plus piloting and product validation as needed.

Qualifications

• Bachelor’s degree in Chemical, Environmental, or Mechanical Engineering.
• 3–5 years applying membrane systems in industrial or municipal water processes.
• Process engineering experience interpreting water analyses to support membrane selection and operating conditions.
• Experience with membrane sizing tools (ROSA, WAVE, IMSDesign, etc.).
• Excellent communication and customer-facing skills; English required; Spanish/Portuguese are a plus.

Responsibilities

• Design membrane treatment systems (UF, RO, EDI/FEDI) including process calculations and performance modeling
• Develop PFDs, P&IDs, datasheets, and proposal-level design packages
• Analyze water chemistry to optimize performance and mitigate fouling/scaling
• Support sales teams with technical proposals and customer discussions
• Collaborate with Engineering, R&D, Product Management, and Operations
• Assist with piloting, product validation, and technical training as needed

Skills

Technical problem-solving mindset

Ownership/Accountability/Communication

Global team collaboration

Education

Bachelor’s degree in Chemical, Environmental, or Mechanical Engineering

Tools

ROSA

WAVE

IMSDesign

Job description

Job Details

• Job Location: International Europe – International Europe, VI 00000
• Position Type: Full Time
• Education Level: 4 Year Degree
• Travel Percentage: Up to 25%
• Job Shift: Day
• Job Category: Engineering

Company Overview

At Aquatech, we tackle the challenges of water scarcity and complexity by leveraging technology, expertise, and financing to deliver comprehensive solutions that reduce carbon and recycled water footprint. As a leading global provider of water and process technology solutions, we help the world's most recognized companies achieve their sustainability and operational goals by implementing innovative approaches for water reuse, desalination, minimal and zero liquid discharge, and critical minerals recovery. Our work catalyzes the transition toward a more sustainable future and showcases our commitment to addressing water's role in climate adaptation.

Job Summary

This Applications Engineer will support the growth of our QUA Technologies portfolio. The role is ideal for a technically strong engineer with hands‑on experience designing membrane‑based systems (UF, RO, EDI) and deep knowledge of water chemistry.

Responsibilities

• Design membrane treatment systems (UF, RO, EDI/FEDI) including process calculations and performance modeling
• Develop PFDs, P&IDs, datasheets, and proposal‑level design packages
• Analyze water chemistry to optimize performance and mitigate fouling/scaling
• Support sales teams with technical proposals and customer discussions
• Collaborate with Engineering, R&D, Product Management, and Operations
• Assist with piloting, product validation, and technical training as needed

Skill Requirements

• Technical problem‑solving mindset
• Ownership, accountability, and strong communication skills
• Ability to work in a global team environment

Benefits

Aquatech offers a comprehensive benefits package, including paid time off, company‑paid holidays, and a 401K plan (all benefits are based on eligibility).

Essential Functions

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed above and below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

Physical Job Demands

Exerting up to 10 pounds of force occasionally and/or a negligible amount of force frequently or constantly to lift, carry, push, pull, or otherwise move objects, including the human body. Sedentary work involves sitting most of the time, limited walking and standing.

Qualifications

• Bachelor’s degree in Chemical, Environmental, or Mechanical Engineering
• 3–5 years applying membrane systems in industrial or municipal water processes, including system selection, sizing, and integration
• Process engineering experience interpreting water analyses to support membrane selection and operating conditions
• Experience with membrane sizing tools (ROSA, WAVE, IMSDesign, etc.)
• Ability to prepare engineering documentation (PFDs, P&IDs, equipment lists)
• Excellent communication and customer‑facing skills
• English required; Spanish, Portuguese are a plus
• Ability to travel up to ~20% with a valid passport