Job Summary: We are seeking an electrical or mechanical engineer to supervise and improve maintenance activities at power plants and substations, ensuring efficient electricity supply. Key Highlights: 1. Opportunity for professional growth in energy engineering. 2. Participation in critical infrastructure for electricity supply. 3. Work environment that promotes teamwork and learning. We are looking for a candidate with a degree in Electrical Engineering or Mechanical Engineering to work in Huelva. Responsibilities will include supervising and improving maintenance work at power plants and substations, ensuring electricity supply operates efficiently and without interruption. Main responsibilities will include organizing and designing networks, approving work procedures, and strictly implementing maintenance and inspection plans. It will be essential to manage, direct, coordinate, and monitor assigned Medium-Voltage (MV) networks, always complying with safety, quality, and reliability standards. Prior experience in the sector and additional training in areas such as electrical systems or distribution will be valued. This position represents an opportunity for professional growth in energy engineering, participating in critical infrastructure for end-user electricity supply. Commitment to high performance and continuous self-improvement is expected. The work environment promotes teamwork and continuous learning. Temporary contract, full-time. University degree in Technical Engineering, Higher Engineering, Electrical Engineering, or Mechanical Engineering. Solid knowledge of High Voltage (HV), Medium Voltage (MV), and Low Voltage (LV) systems—regarding design, operation, and technical regulations—is mandatory. A minimum of 1 year’s experience in similar positions is required. A disability certificate indicating a disability level of 33% or higher is mandatory. Additional training in electrical systems, energy, installations, or distribution will be valued.