Aerospace Design Engineer - Concept to Certification Leader

Groupe SII; Haarlem; On-site; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Competitive salary package (fixed + 0+

International engineering environment

Career development opportunities

Strong autonomy and responsibility

Job summary

SII Netherlands in Haarlem is seeking a Design Engineer to join our aerospace-focused team. You will drive the full product development lifecycle from concept to detailed design and industrialization, collaborating with stress, systems, certification and manufacturing teams to deliver robust solutions.

Ideal candidates hold a Mechanical or Aerospace Engineering degree, have 2–5 years design experience in aerospace or high-tech sectors, and are proficient in CATIA V5 or SolidWorks with GD&T

Qualifications

• Bachelor’s or Master’s degree in Mechanical or Aerospace Engineering.
• 2 to 5 years of experience in mechanical design (aerospace or high-tech industry).
• Strong expertise in CATIA V5 and/or SolidWorks.
• Good knowledge of aircraft structures, interiors, or mechanical systems.
• Understanding of manufacturing processes (machining, composites, assembly).
• Experience in GD&T, tolerance management, and design optimization.
• Familiarity with aerospace standards and certification constraints is a strong plus.
• Strong communication skills and ability to work in multidisciplinary teams.
• Fluent in English, Dutch is a plus.

Responsibilities

• Develop high-quality 3D models and detailed engineering drawings using CATIA and/or SolidWorks
• Design and detail aircraft interior components and structural assemblies (metallic and composite)
• Perform conceptual, preliminary, and detailed design activities in compliance with customer specifications
• Conduct feasibility studies, define design concepts, and optimize existing systems (cost, weight, manufacturability)
• Apply Design for Manufacturing & Assembly (DFM/DFA) principles to ensure efficient industrialization
• Participate in design reviews (PDR, CDR) and provide technical justifications
• Manage and coordinate interfaces between systems and stakeholders, ensuring integration consistency
• Prepare and review technical and certification documentation in line with aerospace standards (EASA environment when applicable)
• Support prototype manufacturing, assembly, and testing phases, including troubleshooting and design improvements
• Perform tolerance analysis and stack-up calculations to ensure performance and reliability of assemblies

Skills

CATIA V5 / SolidWorks

GD&T

Mechanical design

Aerospace knowledge

Team collaboration

Education

Bachelor’s or Master’s degree in Mechanical or Aerospace Engineering

Tools

CATIA V5

SolidWorks

Job description

SII Netherlands in Haarlem is seeking a Design Engineer to join our aerospace-focused team. You will drive the full product development lifecycle from concept to detailed design and industrialization, collaborating with stress, systems, certification and manufacturing teams to deliver robust solutions.

Ideal candidates hold a Mechanical or Aerospace Engineering degree, have 2–5 years design experience in aerospace or high-tech sectors, and are proficient in CATIA V5 or SolidWorks with GD&T