Junior Mechanical Engineer – Bio‑decontamination Prototype

About the role

Delox is seeking a hands‑on Junior Mechanical Engineer to develop the next generation of bio‑decontamination devices. You will work in a fast‑paced start‑up environment, collaborating with local and international teams across mechanical, electrical, and fluid‑system domains.

Key responsibilities

• Design, size, and build prototypes of new bio‑decontamination machines.
• Test and improve existing products, validating performance through experimental testing.
• Select components, materials, and manufacturing solutions.
• Troubleshoot mechanical, electrical, and fluid‑system issues.
• Support the transition from prototype to production.
• Collaborate with a multidisciplinary R&D and engineering team.

Required profile

• Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, Physics, or a related field.
• Knowledge of electrical systems, electronics, and fluid mechanics.
• Experience with HVAC systems and product design is valued.
• Strong communication and writing skills in Portuguese and English.
• Problem‑solver with collaborative and adaptable mindset.
• Organised, able to multitask and work across disciplines.

Required skills

• Electrical systems
• Electronics
• Fluid mechanics
• HVAC systems
• Product design
• Mechanical design
• Microsoft Word
• Microsoft PowerPoint
• Microsoft Excel

What we offer

• Competitive salary.
• Opportunity to work on an innovative start‑up project.
• Hands‑on experience across multiple engineering fields.
• Workplace located in Lisbon.