Project/Design Engineer – Biogas & Biomethane (m/f/d)

Location: Valdebebas, Madrid | Full-time

About the Position

To strengthen our technical team at NAHwärmetechnologie & Anlagentechnik S.L. (NAHTEC Spain), we are looking for a Design Engineer (m/f/d) to support the planning and implementation of modern biogas and biomethane plants.

In this position, you will work closely with our experienced engineers and project managers on international plant engineering projects – from technical development and detailed engineering through to construction and commissioning.

The main focus of the role will be on the detailed engineering and technical coordination of our plants.

Your Responsibilities

- Technical planning and detailed engineering of biogas and biomethane plants
- Preparation, modification and review of plant layouts, technical drawings and engineering documentation
- Support in the preparation and further development of Piping & Instrumentation Diagrams (P&IDs;)
- Planning and coordination of plant equipment, piping systems and technical interfaces
- Coordination of engineering activities across process engineering, civil works, electrical engineering and automation
- Preparation and review of technical specifications, data sheets and equipment/material lists
- Technical coordination with suppliers, engineering companies and project partners
- Review and integration of supplier documentation into the overall plant design
- Technical support for procurement and project management
- Continuous optimisation of existing plant concepts with regard to technical feasibility, costs and operation
- Support of the project team during construction and commissioning

Your Profile

- University degree in a technical field,



such as Mechanical Engineering, Process Engineering, Energy Engineering, Chemical Engineering, Plant Engineering or a comparable discipline
- Initial professional experience in the engineering or design of industrial, energy, environmental or plant engineering projects is an advantage
- Experience in biogas, biomethane, renewable energy or process plant engineering is a strong plus
- Confident use of CAD and technical design software, especially AutoCAD
- Strong technical understanding and the ability to analyse and coordinate complex plant systems and interfaces
- Independent, accurate and solution-oriented working style
- Enjoy working in an international and interdisciplinary team
- Good command of English; German is an advantage
- Willingness to travel occasionally to our projects and partners

What You Can Expect

NAHTEC develops and delivers technically demanding biogas and biomethane projects in Spain and other European markets.

This is not a purely desk-based engineering role: you will have the opportunity to follow projects from the planning stage through to the completed plant, working closely with engineering, project management, suppliers and site teams.

We offer:

- The opportunity to work on large and technically challenging renewable energy projects
- Direct involvement in real EPC and plant engineering projects
- An international working environment with short decision-making processes
- A high level of responsibility and opportunities for professional development
- Hybrid working arrangements available upon request
- The opportunity to contribute to the growth of an expanding company and help shape the Spanish biogas and biomethane market
- Laptop and mobile phone

📌 Project/Design Engineer – Biogas & Biomethane (m/f/d) (Madrid)
🏢 NAHwärmetechnologie & AnlagenTEChnik
📍 Madrid