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Water Treatment Technician

On-site in Barcelona·Full-time·Added 2 months ago

Aqualia

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Overview

Work mode: On-site, Barcelona
Contract: Permanent contract, full-time hours
Spanish: Fluent
Other languages: Catalan
Education: Vocational training (FP Grado Medio)

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Skills

Excel

This job advert was originally written in Spanish.

Pay & benefits

What you'll get

Full-time.
Permanent Contract
Salary conditions aligned with the requested profile and accredited experience.
Continuing education.
The selection process guarantees equal opportunities without distinction of race, color, religion, age, sexual orientation, gender identity, culture, disability, or any other condition.

The selection process guarantees equal opportunities without distinction of race, color, religion, age, sexual orientation, gender identity, culture, disability or any other condition.

The role

What you'll do

Do you see yourself taking part in the transformation of the water sector and developing professionally in an innovative company? At Aqualia, that is our commitment.

We are looking to hire a Water Treatment Technician for our Technical Department.

Main duties include:

Provide specialized technical support in the field of water treatment.
Participate in the operational monitoring of facilities, analysis of process data, preparation of technical reports, support for performance improvement, and coordination with operations teams.
Supervision of water treatment contracts.
Support in the preparation of technical-economic studies for tenders, municipal projects, and commercial proposals.
Preparation of technical reports, comparative analyses, cost-benefit studies and associated documentation.
Collaboration with other technical, financial, and operational departments.

JOIN AQUALIA AND BECOME PART OF OUR TEAM!

How you'll work

full-time

Permanent

Requirements

Education: University Degree (Bachelor's or Master's) in Environmental, Civil, Industrial, Chemical, Agricultural Engineering, or similar. A Higher Level Training Cycle (FP) in technical fields will also be considered.

Experience:

Previous experience in wastewater treatment or environmental processes.
Experience in the operation of WWTPs (Wastewater Treatment Plants), knowledge of environmental regulations, interpretation of analytical data, optimization of treatment processes, preparation of technical documentation, cross-departmental work with operations teams, and the ability to communicate technical conclusions clearly and in a structured manner will be valued.

Valuable Knowledge:

Experience in the operation of seawater desalination plants.
Knowledge of the complete water cycle or municipal infrastructure.
Knowledge of the different desalination and wastewater treatment processes.
Notions of economic analysis, cost models and budgets.
Experience in preparing studies, tenders or technical documentation.
Proficiency in Excel and data analysis tools.

Languages: Catalan and Spanish

Residence: Preferably in the province of Barcelona, with availability to travel within Zone II (Murcia, Valencian Community, Catalonia, Aragon, La Rioja, Navarre, Basque Country, Cantabria, or the Balearic Islands).
Valid driver's license (B).

About Aqualia

Aqualia is a leading water management company headquartered in Madrid, Spain, operating across the full water cycle including supply, sanitation, treatment, and desalination. It is part of the FCC Group, one of Europe's largest infrastructure and environmental services conglomerates. Aqualia serves millions of people across Spain and internationally, with a strong presence in Europe, Latin America, and the Middle East, and employs thousands of professionals in engineering, operations, and technology roles.

In Spain, Aqualia has a vast network of municipal contracts and facilities, with offices and operational sites in numerous cities and towns, including Madrid, Barcelona, Seville, and many others. The company offers a stable, public-service-oriented work environment with opportunities for technical and engineering professionals, as well as field and operational roles. For international hires, Aqualia provides a chance to work in a leading Spanish company with a strong local footprint, though Spanish language proficiency is typically essential for most positions.

Industry: Water Management
Founded: 1967
Employees: 5,000–10,000
Headquarters: Madrid, Spain
In Spain: Madrid, Barcelona, Salamanca and 28 more
Website: aqualia.com

Good to know if you are moving

Aqualia is headquartered in Madrid, Spain, and is part of the FCC Group, a major Spanish infrastructure and services company.
The company operates across the full water cycle, offering roles in engineering, operations, IT, and maintenance, with many positions located in smaller municipalities across Spain.
Spanish language proficiency is typically required for most roles, as the company's operations are heavily local and public-service oriented.
Aqualia provides opportunities for career growth in a stable, essential public service sector, with a strong focus on sustainability and technological innovation.
International experience is valued, but the company's primary operations are in Spain, so relocation support may be limited compared to global tech companies.

All open roles at Aqualia