Job Title: Junior Project Engineer – Water Treatment (f/m/d)
Locations: Madrid or Barcelona, Spain
Job Schedule: Full Time
Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.
We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.
Arcadis is seeking a Junior Project Engineer – Water Treatment (f/m/d) join our Water Treatment Team in Spain (Madrid or Barcelona).
While the role will be based in either Madrid or Barcelona (Spain), it will support projects in other European countries (Netherlands, Belgium, and Germany), focusing on the design phase of wastewater treatment plants, drinking water treatment plants, and water transportation and distribution systems. The position will focus on technical design and calculations. It will also involve collaboration with process engineers to support detailed design development, including pump design and other mechanical components. An understanding of water and wastewater treatment processes is highly valuable. Additionally, the role will occasionally provide technical support to the Spain-based environmental consultancy team focused on industrial clients.
The onboarding process will take place in the supported country ((Netherlands, Belgium, and Germany)) for approximately 1–3 months. After this initial period, travel will be occasional.
This role offers a unique opportunity for a motivated professional to grow within the world’s leading design & consultancy firm for natural and built assets. As part of our expanding Iberian team you will work with multinational clients on technically challenging, high-impact projects, benefiting from strong local support from experienced specialists and access to a global network of top-tier Water Treatment experts.
At Arcadis you’ll join a collaborative environment that values technical excellence, knowledge-sharing, and continuous professional development. We reward outstanding performance with clear career progression, long-term relationship building, and ongoing support to help you reach your full potential while contributing to innovation and sustainability.
Role Accountabilities
· Support the design and optimization of wastewater treatment plants, with an emphasis on sustainability and reliability.
· Assist in developing innovative solutions for treating persistent substances, recovering resources and energy, and improving process sustainability.
· Collaborate with colleagues across civil engineering, process automation, and environmental technology to deliver multidisciplinary projects.
· Contribute to project coordination by helping prepare action plans and draft proposals.
· Help prepare and plan renovations or expansions for wastewater treatment plants serving public and industrial clients.
· Participate in feasibility studies and support technical design for both national and international customers.
Qualifications & Experience
· Bachelor’s degree in Mechanical, Electrical, or Industrial Engineering (or a related discipline).
· Some experience or strong interest in water and wastewater treatment project design and optimization.
· Basic understanding of water and residual flow treatment processes (willingness to learn further).
· Able to follow guidance from senior team members and the Netherlands-based team, while gradually developing independent working skills.
· Fluent in English and Spanish; knowledge of Dutch, German, or Catalan is a plus.
· Eager to learn, with a result-oriented, customer-focused, and innovative attitude.
· Strong teamwork, problem-solving, and communication skills, with attention to detail and quality.
Why Arcadis?
We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.
You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.
Together, we can create a lasting legacy.
Join Arcadis. Create a Legacy.
Our Commitment to Equality, Diversity, Inclusion & Belonging
We want you to be able to bring your best self to work every day, which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people.
#LI-MC8
Arcadis is a leading global partner, delivering transformative projects with businesses, cities and industries. With 36,000 people active in more than 30 countries, we bring together the best minds from around the world to deliver intelligent products and solutions that address the challenges of climate, energy security and diversification, and livable cities.
We take design, engineering, architecture and consultancy to the next level, advising clients at every step of every project. From strategy and planning through to implementation and delivery, we combine our human and digital intelligence to co-create environments that reflect our clients’ business and stakeholder needs.
From creating a citywide sustainable legacy during and after the Paris Olympics to revolutionizing urban transit worldwide with metro systems from Sydney to Toronto, or securing clean drinking water for communities across more than 30 U.S. states, our world-changing solutions leave a positive and lasting impact.
Our work has helped more than a third of the world's communities become more resilient, and hundreds of clients to advance their decarbonization and net-zero goals. Together, we are committed to solving today's greatest problems; creating a blueprint for a better future, designed to thrive.
Arcadis. Improving quality of life.
