Mellon Technologies isseeking a Junior Mechanical or Electrical Engineer with registration at the Technical Chamber of Greece (TEE) , on behalf of a major electricity provider ,to join their New Business Development Division.

The successful candidate will support the team in the field of large-scale photovoltaic (PV) installations, with a focus on B2B projects, contributing to both the technical and business development aspects.

Key Responsibilities

• Support the design, research, and development of new technological products.
• Contribute to PV project studies and design (large-scale installations), under the guidance of senior engineers.
• Assist the sales team with technical documentation, presentations, and solution proposals to help build customer trust.
• Perform engineering calculations, mechanical design, and technical reporting.
• Use PV design and simulation tools (e.g., PVsyst, PV*SOL) for system modeling and analysis.
• Collaborate with multidisciplinary teams (sales, electrical engineers, software engineers, project managers).
• Prepare technical reports and present work through PowerPoint presentations for internal and external stakeholders.
• Participate in prototype development, testing, and performance evaluation.
• Present own work and project outcomes clearly through PowerPoint presentations.

• Degree in Mechanical or Electrical Engineering.
• Registration at the Technical Chamber of Greece (TEE).
• 2–4 years of relevant work experience in an engineering/corporate environment.
• Exposure to photovoltaic (PV) projects.
• Proficiency in PV design software (PVsyst, PV*SOL or similar).
• Good knowledge of CAD/CAE tools (e.g., SolidWorks, AutoCAD).
• Strong understanding of electromechanics, structural mechanics, and energy systems.
• Proficiency in MS Office (Excel, Word, PowerPoint).
• Excellent teamwork and communication skills.
• Fluency in English (written and spoken).

Desired Skills

• Experience in PV plant design, permitting, and/or installation.
• Knowledge of simulation tools (e.g., ANSYS, COMSOL).
• Familiarity with R&D processes and product development cycles.
• A Master’s degree in a relevant field is a plus.

• Opportunity to gain hands-on experience in large-scale PV projects and new technology development.
• Career growth prospects in a dynamic and expanding team.
• A modern and collaborative corporate environment focused on innovation and learning.
• Competitive compensation and benefits package.
• Private health insurance.
• Flexibility to work from home on certain days (hybrid model).