Jobid: 639534079638121281 (0.0502)
About this position
Are you someone who understands the Microsoft ecosystem inside and out and enjoys solving complex technical challenges? Do you get energized by troubleshooting issues in a large-scale enterprise environment, with a particular passion for email platforms and mail flow?
As a Microsoft Specialist, you will play a key role in maintaining and further developing TNO’s Microsoft environment. Within our team, your primary focus will be Exchange Online, email delivery, email security, and automation. At the same time, you will have the opportunity to broaden your expertise across the wider Microsoft stack, including Teams, SharePoint, Intune, and Entra ID.
You will join a team that manages and continuously improves a large and complex Microsoft environment that supports thousands of users across TNO.
What will be your role?
You will strengthen our Microsoft team with a strong focus on Exchange Online and email-related technologies. Together with our current email specialist, you will act as the go-to expert for email services, supporting business-critical applications and users across the organization.
Your responsibilities include:
Managing and configuring Exchange Online in a large enterprise environment
Diagnosing and resolving complex email delivery and mail flow issues
Configuring and maintaining mailboxes, distribution groups, and Exchange policies
Implementing and managing email security solutions through Microsoft Defender for Office
Developing PowerShell scripts to automate operational tasks and improve efficiency
Providing 3rd-line support for escalated incidents and service requests
Collaborating with stakeholders across the organization on email-related solutions
Contributing to knowledge sharing and continuous improvement within the team
The team
You will be part of a diverse and highly skilled Microsoft team responsible for managing TNO’s modern workplace and collaboration platforms. The team combines deep technical expertise with a strong focus on innovation, collaboration, and continuous learning.
Within the team, you will work closely with our current email specialist while also collaborating with colleagues responsible for Teams, SharePoint, Intune, identity management, and other Microsoft services.
What we expect from you
You have hands-on experience with Exchange Online administration and enjoy diving deeper than standard configurations. You understand how email delivery works, can troubleshoot complex mail flow issues, and are eager to further develop your expertise across the wider Microsoft landscape.
Most importantly, you are curious, proactive, and continuously looking to learn.
Must-haves
Experience managing and configuring Exchange Online
Knowledge of email delivery troubleshooting and mail flow, including message tracing, NDRs, connectors, and transport rules
Experience with Microsoft Defender for Office , including anti-spam, anti-phishing, and threat protection policies
Understanding of email security fundamentals, including SPF, DKIM, and DMARC
Experience with PowerShell scripting and automation
Affinity with 3rd-line support and complex troubleshooting
Strong communication skills in both Dutch and English
Strong learning capability and a proactive mindset
#LI-Hybrid
Nice-to-haves
Experience working in Agile or Scrum teams
Knowledge of Microsoft Compliance and eDiscovery
Experience with hybrid Exchange environments
Relevant Microsoft certifications
Experience with Azure DevOps
Experience with Freshworks
What you’ll get in return
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).
An employer working towards a where every employee can flourish, with various initiatives such as , numerous expertise based guilds, Rainbow Community and Round Tables on diverse inclusion topics.
We offer a comprehensive and flexible that also includes full compensation for public transportation for commuting and business travel.
Great social events with your team and other . 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.
A good pension scheme.
Read about tailoring your benefits package.
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