Senior Mechanical Engineer: Thermal & Structural Design

NextPower; Valencia; On-site; EUR 70,000 - 95,000; Full time

Job summary

NextPower in Valencia, Spain, is seeking a Sr. Mechanical Engineer on-site for the R&D&I team. You will design the mechanical architecture of inverters and electrical cabinets, optimize packaging, and ensure heat dissipation and regulatory compliance.

Responsibilities include 3D modelling, CFD thermal analysis, FEA structural validation, material selection, and DFMA integration to assure manufacturability and IP ratings. Fluency in Spanish and English is required.

Qualifications

• Bachelor’s degree in Mechanical Engineering.
• 8+ years in mechanical design of capital goods, electrical cabinets, or related fields.
• Fluency in Spanish and English (written and spoken).
• Proficiency in 3D CAD software (SolidWorks, CATIA, Inventor).
• Experience with thermal and structural simulation tools (ANSYS Fluent, SolidWorks Simulation, Autodesk CFD).
• Knowledge of manufacturing processes (sheet metal, casting, plastics, machining).
• Ability to work in multidisciplinary teams and focus on innovation.

Responsibilities

• 3D Modelling and drawings of enclosure, supports, ducts, and busbar mounts.
• Thermal simulation to optimize heat sinks and cooling systems.
• Structural analysis of chassis against transport stresses, earthquakes, impacts, and vibrations.
• Material selection considering cost, weight, corrosion, and dielectric properties.
• Manage tolerances and DFMA to ensure watertight equipment (IP ratings).

Skills

3D CAD design

Thermal simulation

Structural analysis

DFMA

Multidisciplinary teamwork

Education

Bachelor’s in Mechanical Engineering

Master’s in Thermal Simulation or Product Development (desirable)

Tools

SolidWorks

CATIA

Inventor

ANSYS Fluent

SolidWorks Simulation

Autodesk CFD

Job description

NextPower in Valencia, Spain, is seeking a Sr. Mechanical Engineer on-site for the R&D&I team. You will design the mechanical architecture of inverters and electrical cabinets, optimize packaging, and ensure heat dissipation and regulatory compliance.

Responsibilities include 3D modelling, CFD thermal analysis, FEA structural validation, material selection, and DFMA integration to assure manufacturability and IP ratings. Fluency in Spanish and English is required.