MISSION

Do you want to contribute to aircraft modifications and certification in a DOA environment?

Are you looking to work on high-impact aerospace projects in an international context?

We are currently looking for a Certification Engineer to strengthen our aircraft modification projects team.

Your Role

As a Certification Engineer, you will be part of our aircraft modification team, supporting the full lifecycle of design and certification activities.

You will ensure that all modifications comply with airworthiness regulations, while contributing to innovative and efficient technical solutions.

What you’ll do

Analyze and interpret customer requirements
Define and review aircraft modifications, including: Metal and composite structures, Cabin interiors and cabin safety aspects and Support to electrical design aspects
Conduct feasibility studies and optimize existing systems
Participate in design reviews and interface coordination
Prepare and review technical and certification documentation, including Change classification, Compliance demonstration and Flammability assessment
Support testing activities and evaluate results
Ensure compliance with EASA certification requirements

PROFILE

Engineering degree (Aerospace, Mechanical, or equivalent – HBO level or higher)
Minimum 2 years of experience in aerospace engineering
Experience in certification and/or aircraft modifications
Knowledge of cabin safety requirements is a strong plus
Good understanding of structures (metal/composite) and/or interiors / systems
Strong communication and stakeholder management skills
Comfortable working in an international environment
Fluent in English (additional languages are a plus)
Proactive, flexible, and solution-oriented
A good sense of humor

OUR AGENCY

About SII

SII is a European digital and engineering services company with 16,000 experts worldwide.

In the Netherlands, SII supports leading aerospace and industrial companies in engineering, certification, and innovation activities. We value empowerment and entrepreneurship, offering a stimulating work environment where our consultants can grow and make an impact.

SII Netherlands is part of an EASA Approved Design Organization (DOA), enabling us to approve both minor and major aircraft modifications. Our certification engineers form a highly skilled team making these projects possible.

What we offer