A job at Proximus? You’ll find that everything revolves around the idea ‘Think Possible’. This means: we always assume that something is possible, even if it seems impossible. Well, especially so, actually. Call it a way of thinking that involves being open to a world of digital solutions that make our lives easier. And our way of working smarter.
We are Team possible – the people behind Davinsi Labs, Proximus, Proximus NXT, Codit, Proximus Ada, and more. Nice to see you here! United by a shared purpose, we’re building a smarter, trustful and more connected world. That means embracing technology and celebrating change. We think possible and then make it possible. And of course, we love what we do. Sounds like your kind of place?
Your job
You will join our MSP teams focusing on Managed Detection & Response (MDR) services, with a specific role in our Microsoft Sentinel-focused MDR team. Your primary objective as an engineer will be to continuously enhance our Sentinel platform, detection frameworks, and threat hunting capabilities across complex customer environments – offering our customers the comfort of knowing.
Your expertise will help shape the next evolution of our MDR service across the Microsoft ecosystem.
You will contribute to the following technologies:
1. Microsoft Sentinel
2. Microsoft Defender XDR
3. Logic Apps / Automation
4. Microsoft Data Lake
5. Broader integrations with cloud, network, and third-party security tooling
Key Responsibilities
Research
6. Investigate new methods to detect malicious behaviour in customer environments.
7. Simulate attacker techniques and translate findings into actionable Sentinel detections, enrichment logic, and hunting queries.
Detection Frameworks & Content Development
8. Create and continuously improve detection use cases, rules, and analytics for Sentinel and our broader MDR platform.
9. Map detection content to best-practice frameworks such as MITRE ATT&CK.
10. Build foundational frameworks for Threat Intelligence, Threat Hunting, Dashboarding, and Context Enrichment.
Detection Rule Lifecycle Management
11. Develop, activate, tune, and maintain analytics rules within Microsoft Sentinel.
12. Manage our full detection library in version control (Git).
13. Produce coverage heat maps for customers to identify gaps and improve resilience.
Threat Hunting & Incident Detection
14. Conduct proactive hunting missions using Sentinel and Microsoft XDR data sources.
15. Validate detection capabilities in lab and live environments.
16. Collaborate closely with Incident Response teams to define follow-up steps, investigation playbooks, and response recommendations.
Platform Lifecycle Management
17. Ensure the reliability, scalability, and performance of our Sentinel MDR platform.
18. Implement best practices and industry standards to safeguard the availability, integrity, and accuracy of customer data and detections.
Dashboarding & Reporting
19. Create meaningful dashboards, workbooks, and insights that empower SOC operations and give customers clear visibility into their security posture.
Documentation
20. Develop high-quality, repeatable documentation to ensure consistent processes across teams and customers.
Serving as a Subject Matter Expert
21. Act as a trusted advisor for internal teams, customers, and vendors.
22. Stay up-to-date with the Microsoft security ecosystem, new TTPs, and evolving trends within cloud, SIEM, and XDR technologies.
Your Profile
Your profile
23. You are passionate about IT security and technology, with several years of relevant professional experience.
24. You have a strong background in computer science, computer engineering, or IT security (a degree is an asset).
25. You have affinity with Microsoft Sentinel, SIEM technologies, or XDR platforms such as Microsoft Defender XDR.
26. You have experience with security incident response, added bonus if you have familiarity with SOAR tools (Sentinel Logic Apps, Palo Alto XSOAR, etc.).
27. You have experience with any of the following: Git, JIRA, GitHub, public cloud, ...
28. You understand modern security controls (NGFW, EDR, XDR, cloud-native controls, etc.).
29. You communicate smoothly in Dutch and English (written and oral). French is a plus.
30. You are a strong communicator who enjoys working with customers and internal teams, acting as a trusted advisor for detection engineering and response.
31. You are analytical, solution-oriented, and not afraid to challenge or be challenged.
This is what to expect
32. Drive positive change with confidence, turning bold ideas into solutions to remain at the forefront of technology
33. Keep on learning, evolving, and building your career in a digital space that truly supports your growth journey
34. Real connections power real progress. Collaboration is how you will transform challenges into new opportunities.
35. Be welcomed for exactly who you are. Your unique perspective and identity will strengthen our team.
36. Design your balance with work options and a culture that lets you excel in your role and enjoy life outside of work.
37. Enjoy bonus, medical coverage, flexible mobility options, family-friendly perks, meal vouchers, telecom discounts, and other cool benefits designed to support you every step of the way.
The salary is based on a clear salary scale, which takes into account professional experience, skills, and seniority. The recruiter will inform you of the applicable range before the first interview.
Want to dive deeper? Learn more about our culture & our benefits
About us
Davinsi Labs, part of Proximus Group and based in Antwerp, specializes in Digital Service Intelligence by helping businesses securely manage and optimize their data and digital services to enable accurate, real-time, data-driven decisions through solutions in security intelligence, operational intelligence, and digital business intelligence.
What do we offer you?
38. We are 100% Belgian. So we make decisions in three languages. And all at the same time if you like!
39. We are open to everyone: M, W, X, and in fact all the other letters of the alphabet.
40. We encourage personal growth. At the Proximus Academy, you won't even want to miss a session.
41. We are, of course, committed to sustainability. What else did you think?
42. We firmly believe that working together is important, but that having fun together is even more so. That is why we regularly organise fun activities. (Please let us know if you have a talent for playing Santa Claus!)
43. We believe in responsibility. Also in yours. For example, you can take it to launch your own initiatives.
44. We put our customers first. And because we are all customers somewhere, you already know what that means. That’s good.
45. And the ever-important work-life balance? We keep it in the right place.
Naturally we have a competitive salary package for you. Click (or apply) to discover what else we offer.