National Sales Engineer - Environmental Solutions

Your role

In support of our mission to be a comprehensive solution provider to our customers, we are strengthening our sales organization. As a National Sales Engineer for our Environmental Solutions business, your mission is to execute our environmental market strategy across Spain, building strong relationships through multiple sales channels and driving adoption of our pumping solutions - from waste handling to anaerobic digestion and wastewater applications.

This is a remote position reporting to the local General Manager, with close collaboration with the Divisional Business Line Manager for the Environmental sector

You will

• Lead national sales efforts for our product portfolio, including pumps for waste handling, slurry transfer, feedstock preparation, digestion processes, and wastewater applications.


• Identify, develop, and grow opportunities across multiple sales channels.


• Execute the environmental market strategy with a focus on long-term growth, channel development, and market penetration.


• Build and manage a network of representatives, distributors, and strategic partners to expand reach and accelerate adoption.


• Provide technical and commercial support to channel partners, ensuring effective representation of our solutions.


• Serve as a subject-matter expert on pumping technologies used in environmental, biogas, and wastewater applications.


• Prepare and deliver technical presentations tailored to customer needs.


• Represent the company at industry events, conferences, and trade shows.

To succeed, you will need

We encourage you to apply even if you do not meet every requirement. We value diverse experiences and perspectives.

• A minimum of three years of experience in technical sales within the biogas, wastewater, or broader environmental sector.


• An engineering or technical background or qualification.


• A strong understanding of anaerobic digestion, wastewater processes, waste management, or renewable energy systems.


• Proven ability to develop national accounts and manage multi-channel sales strategies.


• Strong communication, presentation, and relationship-building skills.


• A positive attitude, commercial mindset, and willingness to learn and develop further competencies in environmental applications.


• Motivation to contribute to more sustainable industrial solutions and support customers in environmental applications.

In return, we offer

•  Culture of trust and accountability


•  Lifelong learning and career growth




•  Comprehensive compensation and benefits


•  Health and well-being

Based in Madrid, LEWA HISPANIA is specialized in the sales, assembling and installation of pump skids for the Energy, petrochemical and chemical fields.

Since its establishment in 2004, LEWA HISPANIA has reached 21 years of relevant experience in the supply of Odorizing Units, Pump Skids and Trades products. 

Moreover, LEWA HISPANIA provides technical supervision and after-sales technical assistance services.

Thanks to the great work experience of its managers, sales team, engineers, qualified technicians, the deep knowledge of the market and the ability to work in international teams, where inclusion, respect, integrity and personal growth are dogmas, LEWA HISPANIA has acquired strong reliability, over the years, among the majors’ players handling fluids.

We offer you to develop with us all those skills and values

Job location

This role is fully remote, enabling you to work from anywhere within the region of Madrid, while being associated with our customer center in Spain (ES).

Contact information

Talent Acquisition Team: Katharina Hess