We are a global company, a leader in developing regenerative infrastructure that generates a positive impact on society. Our workforce—comprising over 65,000 professionals across more than 40 countries on five continents—supports our mission to design a better planet. We seek individuals who want to make a difference, promote sustainable development, and devise solutions to the world’s greatest challenges, including climate change, overpopulation, and water scarcity. Join us in pursuing solutions for a sustainable future. ACCIONA, within its WATER business line, requires a Commissioning Manager for its Commissioning Department. Job Description The Commissioning Manager will be responsible for coordinating the department’s junior technical team, fostering their training, development, and proper integration into the company’s projects. Additionally, they will provide technical and organizational support to various projects and departments, ensuring smooth communication and efficient execution of tasks related to the commissioning of water treatment facilities. Furthermore, the following responsibilities will be carried out: * Coordinate, organize, and supervise the work of the junior office-based technical team within the Commissioning Department. * Plan team tasks, assign priorities, and ensure adherence to deadlines and quality standards. * Provide technical and documentary support to ongoing projects, both during the engineering phase and throughout commissioning. * Collaborate closely with other departments (Engineering, Construction, Operations, Quality, etc.) to ensure consistency and effectiveness across projects. * Prepare and review technical documentation, such as start-up procedures, operating manuals, test protocols, and technical reports. * Participate in the training and mentoring of junior staff, promoting their professional development and autonomy in future assignments. * Conduct occasional international travel to support field projects or resolve significant technical issues. * Contribute to the continuous improvement of the Commissioning Department’s procedures and tools. * Conduct occasional international travel to support field projects or resolve significant technical issues. * Contribute to the continuous improvement of the Commissioning Department’s procedures and tools. Candidate Requirements Academic Qualifications * University degree in Industrial, Chemical, Civil Engineering or related fields Professional Experience * Minimum 10 years’ experience in engineering and/or construction companies in the water sector. * Proven experience in commissioning water treatment plants (wastewater, potable water, and desalination plants). * Prior experience coordinating technical teams and preparing technical documentation. Knowledge and Competencies * Solid understanding of water treatment processes and associated control systems. * Ability to plan and coordinate technical teams. * Skills in drafting and managing technical documentation. * Advanced English proficiency (other languages are an asset). * Willingness to travel internationally up to 50% of the time. * Leadership and team management. * Organizational and planning capabilities. * Effective communication and collaborative teamwork. * Commitment to training and talent development. * Adaptability to multicultural and international environments. * Commitment to quality, safety, and continuous improvement. Languages English: B2/C1 *We are a company that values diversity as a source of talent and therefore strive to foster an inclusive environment promoting respect, belonging, and commitment so that everyone can participate on equal terms. We invite all individuals to apply regardless of origin, circumstances, background, or condition. ACCIONA has received the Top Employer certification for 2021, 2022, 2023, 2024, and 2025, recognizing the Company as one of the best employers in Spain.*