Membrane Applications Engineer: Design Water Systems

Aquatech International

Pennsylvania

On-site

USD 90,000 - 120,000

Full time

14 days+

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Benefits offered by this job

Paid time off

Company-paid holidays

401K plan

Job summary

Aquatech International is seeking an Applications Engineer to support the growth of our QUA Technologies portfolio. This 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.

You will 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

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%.

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.