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Junior Mechanical Engineer

Mellon Group.com

Office

Athens, Attica, Greece

Full Time

Mellon Technologies is seeking a Junior Mechanical Engineer , 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 heating and cooling specifically on heat pump installations, with a focus on B2C and 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 Heat Pump project studies and design, 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.
  • Collaborate with multidisciplinary teams (sales, 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.

Requirements

  • Degree in Mechanical Engineering.
  • Up to 4 years of relevant work experience in an engineering/corporate environment.
  • Exposure to thermal / cooling projects and installations.
  • 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 thermal / heating (oil, gas, heat pumps) design, permitting, and/or installation.
  • Familiarity with R&D processes and product development cycles.
  • A Master’s degree in a relevant field is a plus.

Benefits

  • Opportunity to gain hands-on experience in Heat Pump 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).

Junior Mechanical Engineer

Office

Athens, Attica, Greece

Full Time

October 6, 2025

company logo

Mellon Group

MellonGroup