Are you looking for a new opportunity to grow professionally? Grupo Marco is much more than a business group—we build the future. For over 30 years, we have been transforming our surroundings through Construction, Civil Works, Mining, and Industry, always committed to excellence, safety, and the talent of the people who are part of our team. At Grupo Marco, we are continuously growing and currently need to incorporate a Biogas Technician into our Civil Works team to participate in the construction and assembly of biogas plants. Zaragoza **Key responsibilities of the role:** This person will work on-site and will be responsible for supporting technical activities during project execution, equipment installation, performance testing, and commissioning. * Support in the installation of gas collection systems, anaerobic digesters, pipelines, and associated equipment. * Supervise and carry out electromechanical and civil installation tasks according to technical drawings and instructions. * Coordinate with contractors and suppliers on site. * Perform leak tests, pressure tests, and equipment operation checks. * Maintain technical records of work progress, incidents, and compliance with regulations. * Ensure compliance with safety, quality, and environmental standards. * Job requirements: What do we expect from you? * Technical education in Renewable Energies, Electromechanics, Mechanics, Electricity, Environmental Engineering, or related fields. * Experience in industrial plant construction, preferably in biogas, wastewater treatment, or similar sectors. * Knowledge of piping systems, valves, pumps, and process equipment. * Ability to interpret technical drawings and operation manuals. * Availability to travel and work on-site (occasionally in other cities or rural areas). * Desirable: Proficiency in tools such as AutoCAD, MS Project, or similar. What will you find if you join us? The position offers an indefinite contract from the start, full-time, Monday to Friday. Attractive economic conditions. We offer a competitive compensation package, with a market-aligned salary adjusted to your experience and professional profile. **Professional development and training plan:** We’ll walk this path together—we’ll provide you with a career plan, and you set the pace. You can enjoy free English classes to further develop your skills, as well as other trainings that enhance your technical and personal competencies. Flexibility. We promote a flexible and secure environment. At Grupo Marco, we understand that flexibility is essential to strengthen relationships with our teams. Social benefits. You will have private health insurance as part of flexible compensation, fresh fruit if you are in the office every day, and free coffee. We also offer a pension plan and other flexible benefits such as childcare vouchers. We have a padel league, participate in running races, and organize various team-building activities. Excellence. We plan, manage, and execute all our projects with competence, efficiency, and integrity. Are you interested in joining our team? Apply now and we will contact you to get to know you better. At Grupo Marco, we are committed to fostering an inclusive and equitable work environment where everyone has access to equal employment opportunities. As an equal-opportunity employer, we guarantee that the selection and hiring process will be based solely on each candidate’s skills and qualifications, without distinction of gender.