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Software System Engineer

Posted 16 Jun 2026
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Work experience
0 to 8 years
Full-time / part-time
Full-time
Job function
Salary
€4,600 - €7,000 per month
Degree level
Required language
English (Fluent)
Deadline
26 July 2026

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About this position

Develop software to predict the performance of the latest sonar systems? Plan and evaluate operations with underwater drones? Join TNO as a software engineer.

Since the invasion of Ukraine, the geopolitical situation has become more unpredictable than ever and requires rapid innovation. TNO plays a key role as a knowledge institute for Defence & Security, with more than a thousand specialists working on national and European security.

The Acoustics and Underwater Warfare division brings together acoustic expertise and mainly works for the Royal Netherlands Navy. The Underwater Operations & Seabed Security department focuses on research into autonomous underwater systems, for example for mine detection using drones, anti-submarine warfare and protection of critical infrastructure. We develop advanced acoustic sensors and data processing for situational awareness, and model performance against underwater threats under different conditions.

What will be your role?

As a Software System Engineer, you work in multiple research and development projects to develop solutions for our clients. You collaborate with highly motivated software engineers and scientists. Where needed, you take the lead in designing and developing software tools. No two projects are the same, so there are plenty of opportunities to further develop yourself.

Your activities include:

  • Developing software for demonstrators at sea to validate new technologies.
  • Leading (sub)teams of software engineers and participating as a team member in projects.
  • Consulting with scientists to translate their ideas into demonstrators.
  • Writing software documentation and test reports.
  • Stimulating collaboration with colleagues.

If you believe you can help us further develop in these areas and are looking for a role that contributes to society, offers variety, and challenges you as a scientist, then this is the right place for you.

What you'll get in return

Challenging and varied work with a real impact. And plenty of opportunities as, at TNO, you are in charge of shaping your career. We offer a gross monthly salary between € 4,600 and € 7,000 (based on your knowledge and experience), 8% holiday pay, a 13th month bonus of 8.33% and a flex budget (5.58% + € 180). In addition, you will be given every opportunity to develop yourself.

TNO offers optional employee benefits, enabling you to tailor your benefits package to match your personal situation. You may also expect:

  • An extremely professional, innovative working environment where colleagues are leading experts in their field.
  • The opportunity to attend courses, workshops and conferences, and to receive training and coaching based on your needs.
  • 33 days annual leave plus a flexible holiday that can be used on a cultural, religious, or otherwise important day of your choosing (on a full-time basis).
  • Flexible working hours, the possibility to work parttime (32 or 36 hours) and the possibility of working from home.
  • Extensive relocation package for international candidates.
  • A good pension scheme.

TNO as an employer

Our people are at the heart of TNO. Their curiosity, expertise and entrepreneurial mindset make it possible to deliver high-impact research and innovations that contribute to society’s sustainable wellbeing and prosperity. That is why we invest in an inspiring working environment where colleagues can excel, have autonomy and continue to grow.

Your talent and ambition have every opportunity to flourish at TNO. You work with experts (both within and beyond TNO), have access to advanced technology and the freedom to explore, experiment and innovate. Our strength lies in independence, reliability and collaboration.

Innovation with purpose: that is what TNO stands for. We develop knowledge not for its own sake, but for practical application. TNO connects people and knowledge to create innovations that boost the competitive strength of industry and the well-being of society in a sustainable way.

Management Consulting
Den Haag
3,300 employees