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Comprehensive IT Modernization and Security Architecture

Fleming Bruckmaier - CTO Quantum Diamonds

We handle sensitive data that requires strict protection, both inside and outside our organization. From the very beginning, we felt we are in good hands with Rheintec. They are supporting us with a security-first approach and cutting-edge technologies that meet our high standards. The collaboration is built on trust, professionalism, and responsive support, exactly what we need in our sensitive and innovation-driven environment. The result is a secured and scalable network setup fulfilling our high quality standards.
Rheintec's fast, professional, and friendly support made the collaboration smooth and efficient. We’re very satisfied with the outcome and look forward to continuing our partnership.

Fleming Bruckmaier

​Chief Technology Officer

Stand-alone Quantum Diamonds SensorQuantum Diamonds. (2025). Homepage. https://www.qd-st.com/

Challenge

QuantumDiamonds is a fast-growing, highly innovative company developing advanced measurement instruments for modern semiconductor testing using quantum sensor technology. As the company scaled, its organically grown IT infrastructure—lacking standardization and robust security—became a bottleneck. To support its growth and protect sensitive R&D data, the company needed a secure, scalable, and future-ready IT environment.

 

 

 

Objectives

Our joint goal was to transform the existing infrastructure into a secure, modern IT landscape with:

  • Security by Design

  • Cloud-first architecture

  • Scalability & automation

  • Zero Trust principles

 

Our Approach

Working closely with the internal IT team, we followed a structured and transparent project approach:

  1. Assessment of the existing infrastructure and vulnerabilities

  2. Definition of a target architecture and security requirements

  3. Prioritization of initiatives based on business impact and efficiency

  4. Collaborative execution with regular knowledge transfer and alignment

 

Developer presenting code to a colleague during a software development meeting
Lines of code reflected through eyeglasses on a laptop screen, symbolizing developer focus and attention to detail

The Solution

To build a secure and scalable IT environment, we implemented:

  • Endpoint Security with CrowdStrike and centralized device management via Microsoft Intune

  • Identity Protection using MFA, role-based access, and user awareness training

  • Network Segmentation with UniFi infrastructure and secure remote access

  • Cloud Transformation by migrating from Google Workspace to Microsoft 365, including full device integration

These measures laid the foundation for a Zero Trust architecture and enabled secure, efficient collaboration across locations and platforms.

Results

  • Unified and scalable IT security architecture

  • Comprehensive protection on endpoint, network, and cloud levels

  • Secure and seamless work environment for both internal and remote users

  • Fully managed devices across all operating systems

  • Future-ready infrastructure to support business growth and compliance


The project was carried out in close collaboration with the customer’s IT team, with regular feedback loops, transparent communication, and coordinated rollouts ensuring strong user acceptance. As a result, QuantumDiamonds now operates on a holistic, secure, and scalable IT foundation—powered by Microsoft 365, centralized device management, CrowdStrike endpoint protection, and network security with UniFi and Zscaler—enabling secure, agile, and efficient operations.

Business professional checking off items on a digital checklist interface, symbolizing success and achieved results.
QuantumDiamonds_Team

About QuantumDiamonds

QuantumDiamonds, founded in 2022 as a spin‑off from the Technical University of Munich, develops and commercializes advanced metrology tools based on diamond embedded quantum sensors, specifically nitrogen vacancy (NV), centers to enable non‑destructive 3D defect imaging in semiconductor devices. The company focuses on pinpointing subsurface flaws with nanometre scale resolution, even through multiple package layers, significantly enhancing semiconductor failure analysis and yield control. Headquartered in Munich, QuantumDiamonds offers both in house testing services and innovative microscope solutions, aiming to expand into inline production level quality control in the semiconductor manufacturing process.

Vist QuantumDiamonds Website

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