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CBXNET combox internet GmbH Tech Stack

ISP and data-center operator for mid-market digital infrastructure in Germany

IT Services and IT Consulting Berlin, Berlin 11–50 employees Founded 1999 Public Company

CBXNET operates as an Internet Service Provider and hosting company centered on broadband connectivity and data-center services for German mid-market customers. The tech stack is infrastructure-native (OpenStack, Ceph, KVM, Linux), and project focus spans broadband deployment, network optimization, and cloud-service prototyping — indicating active work on both legacy connectivity services and emerging cloud-architecture capabilities. Hiring is engineering-led with mid-level engineers dominating, suggesting operational scaling rather than startup-mode exploration.

Tech Stack 13 technologies

Core StackMySQL Ansible Python JavaScript Linux OpenStack Ceph KVM Open vSwitch Windows VPN Firewall WLAN

What CBXNET combox internet GmbH Is Building

◆Challenges

Digitalizing business processes
Optimizing it network infrastructure
Providing high-speed internet for events

▲Active Projects

Broadband internet component installation
It network infrastructure optimization
New it component testing
Cloud service architecture prototypes
Deployment automation and config management
Openstack patch and feature development
Selection, analysis, and testing of new it components
Optimize it network and data center infrastructure
Richtfunk infrastructure development

Hiring Activity

Steady7 roles · 3 in 30d

Department

Engineering

6

Support

1

Seniority

Mid

5

Junior

2

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About CBXNET combox internet GmbH

CBXNET combox internet GmbH is a Berlin-based ISP and data-center operator founded in 1999, now part of the broader COM.BOX corporate group. The company serves mid-market enterprises across Germany with broadband internet, data-center housing and hosting, and increasingly cloud services. Core infrastructure includes terrestrial microwave (Richtfunk) networks in the Berlin metropolitan region, fiber-optic connectivity, and on-premises data centers. The product portfolio spans traditional ISP services (domains, WLAN, VPN, firewalls) alongside emerging managed cloud offerings built on OpenStack-based private cloud architecture.

HeadquartersBerlin, Berlin

Company Size11–50 employees

Founded1999

Hiring MarketsGermany

Frequently Asked Questions

What tech stack does CBXNET use?

OpenStack, Ceph, KVM, MySQL, Ansible, Python, Linux, and VPN/firewall appliances. Infrastructure-focused, cloud-native stack.

What is CBXNET working on?

Broadband deployment, network infrastructure optimization, OpenStack development, cloud-service prototyping, and deployment automation. Also testing and selecting new IT components for infrastructure expansion.