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# Onsite IT Support Specialist - Petten & Utrecht

> This ad is more than 30 days old and may be closed.

- **Company:** TNO
- **Location:** Petten, Netherlands
- **Salary:** €2,800 - €4,000
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Cyber Security, Linux, DevOps, IT Management, Microsoft SharePoint, Change Tracking, Information Technology
- **Published:** October 14, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=39db6140dd1dd4b7

## About the Role

You are service-oriented, work in a structured way and feel comfortable in an environment where information security, accuracy and responsibility are essential. You connect easily with others and have a growth mindset.

You bring:

 * MBO level 4 vocational working and thinking level in an IT-related field.
 * Experience in a service desk, workplace management or IT support role.
 * Good communication skills in both Dutch and English.
 * A precise way of working and an awareness of the potential impact of errors in a secure IT environment.
 * The ability to follow procedures accurately and document your work correctly.
 * An interest in IT management, applications or IT security and the motivation to further develop your expertise.
 * A category B driving licence.
 * Willingness to work at different TNO locations in the region.
 * Willingness and ability to obtain an A/B security clearance (Verklaring van Geen Bezwaar) from the Dutch General Intelligence and Security Service (AIVD).
 * An affinity with IT platforms and IT security.

Nice to have

 * Experience working within a larger organisation where information security plays an important role.
 * Experience with Microsoft 365, SharePoint, Linux, ALM or similar applications and platforms.
 * Experience working according to established procedures, security guidelines and quality standards.

What you can develop with us

Previous experience or specialisation is not required. What matters more to us is your interest in these and other IT knowledge domains and your motivation to further develop your expertise. At TNO, you will have the opportunity to build specialist knowledge in:

 * Microsoft 365, SharePoint, ALM, Linux and other platforms used within TNO.
 * Working in secure and high-security environments.
 * Tier 2 support within specialist IT domains.

## Description

As an Onsite IT Support Specialist, you are one of the faces of Information Services in The Hague. You support users through the service desk, resolve IT issues on site and have the opportunity to develop specialist knowledge in other IT domains. This gives you a role that combines daily interaction with users with the opportunity to deepen your technical expertise in a secure and technically challenging environment.

What will be your role?

You support researchers and other TNO employees in using IT products and services. Your main focus is on service desk and onsite support, with the opportunity to specialise in additional IT domains. These may include Microsoft 365, SharePoint, ALM, Linux, workplace services or other IT platforms used within TNO. Together, we will determine which specialisation best matches your profile and the needs of the team.

Your day-to-day responsibilities include:

 * Resolving incidents and service requests via phone, email and tickets.
 * Installing, configuring and replacing workplace equipment, hardware and software.
 * Supporting users at various TNO locations in the Utrecht and Petten regions.
 * Handling Tier 2 incidents within your specialist domains.
 * Documenting changes, procedures and knowledge articles.
 * Collaborating with specialists and DevOps teams to implement structural improvements.