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Job Summary: ACCIONA Energía is seeking an Energy Efficiency Engineer to lead audits, design solutions, and manage energy-saving projects for clients. Key Highlights: 1. Lead energy efficiency projects and advanced solutions. 2. Collaborate with a team of experts in renewable energy. 3. Be part of a 100% renewable and sustainable company. ACCIONA Energía is the world’s largest 100% renewable energy company with no fossil fuel legacy. With over 30 years of experience and operations across 20 countries on five continents, ACCIONA Energía offers a broad portfolio of tailored energy solutions enabling its corporate and institutional clients to achieve their decarbonization goals. This includes the development, engineering, construction, operation, and maintenance of renewable power plants—primarily wind and photovoltaic—energy management and trading, energy services, self-consumption, electric mobility, and emerging technologies such as energy storage and green hydrogen. ACCIONA Energía adheres to the most stringent environmental, social, and corporate governance (ESG) criteria. Job Description Responsibilities: In collaboration with the Team Manager, the role will involve: * Conducting energy audits and diagnostics, as well as assessing clients’ technical requirements, to identify potential energy-saving or advanced energy management solutions. * Preparing technical documentation for assigned projects, both during the study and proposal phase and during project development and execution. * Drafting technical specifications and technical reports for implementation projects, including sizing, design, calculation, planning, and budgeting at both investment and recurring cost levels (operation, maintenance, etc.). * Coordinating supplier pricing requests (either ad hoc or via tenders) in direct collaboration and cooperation with the Procurement Department, updating, reviewing, and/or responding to suppliers’ technical queries regarding projects. * Providing technical supervision and follow-up of assigned projects, supporting execution and operation from conceptual and basic design through detailed design and as-built stages. * Participating in pre-execution layout reviews, as well as proposing technical-economic improvements arising during project execution. * Developing and updating calculation and design tools required to size installations and estimate achieved savings. Candidate Requirements Candidate Requirements: Education/Qualifications: Degree in Energy Engineering, Mechanical Engineering, Electrical Engineering, or equivalent, directly related to energy infrastructure (renewable or conventional). Additional Training: * Specific training in commercial and industrial refrigeration, HVAC, steam, and/or compressed air systems will be valued. * Possession of CMVP and/or CEM certification—or familiarity with relevant procedures and protocols—will be valued. Profile: * Experience in designing, calculating, quoting, and executing energy efficiency projects. * Experience in electrical sizing of installations and/or thermal system sizing. * Knowledge of equipment and suppliers for systems and installations related to small- and medium-scale energy generation, as well as energy efficiency. * Strong communication and synthesis skills when interacting with external clients (e.g., technical project presentations) and internal stakeholders (e.g., project meetings, external partners, and suppliers). * Experience using design tools such as PVSyst, AutoCAD, Presto, Microsoft Project, and advanced proficiency in Microsoft Excel, Word, Power BI, etc. Languages/Proficiency: English: Spoken and written; high level, capable of conducting technical conversations with clients and/or partners. Years of Required Experience: At least 8 years of experience in the sector. Required Experience Areas: Activities related to the design, engineering, and/or execution of energy infrastructure projects. Willingness to Travel: Yes *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 footing. We welcome applications from all individuals 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.*
