Netwerk Engineer - Den Haag / Hybride - 32-40u

Working at TNO means contributing to research and innovative applications that matter. From the energy transition and safe AI applications in healthcare, to the future of digital identity and our security. As a Network Engineer, your challenge is to manage complex networks that enable over 4,500 TNO employees at 20 locations in the Netherlands to carry out their daily work and research. You have an eye for detail, security, and can perform coordinating tasks.

As a Network Engineer, you are responsible for ensuring the availability and maintenance of the network infrastructure. This includes, among other things, the following tasks and responsibilities:

• Ensuring adequate performance and system security.
• Conducting performance measurements and trend analyses, and making system adjustments.
• Managing and administering changes.
• Advising on the urgency, impact, and priority of changes to be implemented.
• Keeping up with the latest techniques and trends in the field.
• Developing ideas to further improve the department’s service quality.
• Maintaining operational contacts with software and hardware suppliers.

Because TNO conducts a lot of technological research for Defence, the secure availability of our networks is crucial, both for TNO and for society.

The Team

As a Network Engineer, you are part of the Infrastructure team. This team is responsible for the data centers, storage environment, networks, (Linux and Windows) servers, and the basic setup of clients. The team is also responsible for IAAS and PAAS cloud services and integration with on-premise services. The team primarily works from the location The Hague Nieuw Babylon and secondarily from locations in Central and Southern Netherlands. They work in a hybrid manner.

To perform well in this role, it is important that you recognize yourself in the following profile:

• At least higher professional education (HBO) working and thinking level.
• Preferably demonstrable experience as a LAN/WAN Network Engineer in a relevant work environment.
• Demonstrable experience with Cisco, Palo Alto, F5, Infoblox.
• Able to optimize and automate management tasks.
• A flexible, customer- and service-oriented attitude.
• Analytical and problem-solving skills.
• Good command of Dutch and English.
• In possession of a category B driving license.

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 € 3.450,- and € 5.250,- (based on your knowledge and experience), 8% holiday pay, a 13th month bonus of 8.33% and a flex budget (5.58% + € 180). In total, your salary including all this can range between € 4.000 and € 6.000 per month. 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.
• An employer that values and encourages diverse talent, with initiatives like the Female Leadership Program, our Rainbow Community and round tables on inclusion topics.
• We offer a comprehensive and flexible mobility plan that also includes full compensation for public transportation for commuting and business travel.
• 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 of 36 hours) and the possibility of working from home.
• Access to our Talent Development Programme.
• Networking opportunities and great activities organized by Jong TNO.
• 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 12th of January 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.