Process Engineer - Water Treatment Lisboa

Process Engineer - Water Treatment
Lisboa
Lisboa, Lisboa, Portugal

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Job Summary

We are seeking a highly qualified Chemical Engineer with a solid academic and practical foundation in chemical process engineering and water treatment technologies. The ideal candidate will have approximately 5 years of experience and a deep understanding of
- flocculation chemistry, disinfection mechanisms, and the
- chemical principles governing water purification. This role requires
- on involvement in process design, chemical treatment strategies, and project execution for industrial and
- scale water treatment systems.
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Key Responsibilities

Design and optimize water treatment processes involving coagulation, flocculation, filtration, disinfection, and chemical dosing.

Analyze and interpret raw water and treated water characteristics to determine the most effective chemical treatment methods.

Develop and review PFDs, P&IDs, equipment datasheets, and chemical consumption estimates.

Model and simulate mass transfer, chemical reaction kinetics, and
- liquid separation phenomena in water processes.

Select and specify chemical reagents for clarification, oxidation, neutralization, and scaling prevention.

Collaborate with multidisciplinary teams during basic and detailed engineering stages.

Provide remote or
- site technical support during commissioning or troubleshooting of chemical systems.
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Required Qualifications

Bachelor's degree in Chemical Engineering (strictly required).

Minimum of 5 years of experience in water treatment, with strong focus on chemical and
- chemical processes.

Demonstrated knowledge in:

Flocculation and coagulation chemistry

Disinfection mechanisms (e. g. , chlorine, ozone, UV)

Scaling and corrosion control

Physico-chemical modeling of water processes


Experience with process simulation tools (e. g. , Aspen, HYSYS), Excel-based models, and Auto
CAD or similar for engineering diagrams.

Strong communication skills and ability to work in international, multidisciplinary teams.

Fluent in English, both spoken and written.
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Preferred Experience

Prior involvement in desalination, industrial wastewater treatment, or municipal water plants.

Experience with resin systems, boron removal, or membrane
- treatment strategies.

Participation in commissioning activities, technical assessments, or
- scale testing.

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What We Offer

Participation in innovative, international water treatment projects.

Remote work flexibility with
- term development opportunities.

Professional growth in a highly technical and specialized environment.

Competitive compensation based on experience and performance.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Management and Manufacturing

• Industries

  Oil and Gas

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