Data Engineer | The Hague

You will work with a team of data engineers on the TNO Data Platform, the foundation for data‑driven decision making within TNO. You make sure we deliver a stable platform with supportive tooling and reliable data- and CI/CD pipelines. You will also collaborate closely with other departments to guarantee effective cooperation and to share knowledge within and beyond the team.

TNO Data & Analytics consists of four teams: data analysts, data scientists, data stewards, and data engineers. You will join the data engineering team, which is currently building a new, TNO‑wide data platform that will serve as the backbone for all our analyses, dashboards, predictive models, and other data products. You will help design modular components and scale this platform for internal users across TNO, ensuring that onboarding new teams is as smooth as possible.

Your responsibilities include onboarding new data sources, automating data transformations (ETL/ELT), building supportive tooling (such as CI/CD and Python packages), implementing data security & governance, and managing cloud infrastructure.
In addition to developing the TNO Data Platform, you will work closely with data analysts, scientists, and stewards within Data & Analytics, as well as with other teams (such as IT), to improve the quality of the data platform and data products, and to build new data‑driven solutions.

You think

• beyond what is needed today;
• about your daily work as part of a bigger picture;
• that practical obstacles and procedures are challenges, not blockers.

You are

• curious;
• strong at identifying connections;
• always interested in the latest technologies;
• a team player who enjoys collaborating with different disciplines within and outside the D&A organization.

You understand

• that some of our data is confidential;
• that different audiences require different communication styles;
• that “being done” is sometimes better than “being perfect”.

At least 2 years of relevant experience as a Data Engineer, Software Engineer, DevOps Engineer, or similar.
From a technical perspective, you have experience with:

• Working in one of the major cloud platforms - we use Microsoft Azure and Microsoft Fabric.
• Python
• SQL
• Git

Bonus points if you have experience with:

• Developing and deploying ETL/ELT pipelines.
• Object‑oriented programming.
• Python package development.
• PySpark
• Delta Lake
• dbt
• CI/CD pipelines
• Terraform (or other IaC tools)
• Working in a DevOps or platform team.
• MLOps

Additionally, we expect you to:

• Be able to understand Dutch (many documents are in Dutch and we collaborate mainly with Dutch teams).
• Have strong communication skills to interact effectively with both technical and non‑technical stakeholders.
• Have experience with scrum/agile methodologies.
• Bring a proactive attitude when solving complex problems.

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 € 3.355,- and € 5.929,- (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 on a full-time basis plus a flexible holiday (prorated) that can be used on a cultural, religious, or otherwise important day of your choosing.
• An employer working towards a respectful, inclusive, and equitable work environment where every employee can flourish, with various employee networks that foster connection and give advice.
• We offer a comprehensive and flexible mobility plan that also includes full compensation for public transportation for commuting and business travel[OPTIONAL] or a leased car.
• Great social events with your team and other TNO colleagues. That’s how you will get to know a lot of people really quickly.
• 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.

Read more about tailoring your benefits package.

At TNO, we innovate for a healthier, safer and more sustainable life. And for a strong economy. Since 1932, we have been making knowledge and technology available for the common good. We find each other in wonder and ingenuity. We are driven to push boundaries. There is all the space and support for your talent and ambition. You work with people who will challenge you: who inspire you and want to learn from you. Our state-of-the-art facilities are there to realize your vision. What you do at TNO matters: impact makes the difference. Because with every innovation you contribute to tomorrow’s world. Read more about TNO as an employer.

At TNO we encourage an inclusive work environment, where you can be yourself. Whatever your story and whatever unique qualities you bring to the table. It is by combining our unique strengths and perspectives that we are able to develop innovations that make a real difference in society. Want to know more? Read what steps we are taking in the area of diversity, equity and inclusion.

Please apply before the 21st of April, 2026. The selection process comprises two interview rounds. In a final meeting we will discuss the terms of employment and your tailored benefits package. We aim to finalize the entire process within four weeks. 

The selection process may include an online assessment and a reference check. 

A certificate of Conduct (VOG) is required before starting a new job at TNO. 

As you will be working for clients in the domain of defence and security, a Certificate of No Objection issued by AIVD (the Dutch General Intelligence and Security Service) is mandatory. This means you will have to undergo a security screening. Read more about security screening.