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Theodor Heller-IT Service Provider

Theodor Heller
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Denzlingen, Germany

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Experience

Aug 2024 - Present

IT Service Provider

Theodor Heller Greenbyte Solutions

Expertise details
Position Summary
IT Service Provider at Theodor Heller Greenbyte Solutions
Industries
Information Technology
Business Areas
Customer Service
Information Technology
Project Management
  • Infrastructure support: Maintenance and administration of networks, servers, workstations
  • Project implementation: Planning and deployment of new systems (e.g. File Server/SharePoint migration, implementation of a Unified Endpoint Management system)
  • All-around service: Comprehensive management of customer IT, including support, maintenance, and strategic consulting
Apr 2024 - Present

System Engineer

Taifun Tofu GmbH

Expertise details
Position Summary
System Engineer at Taifun Tofu GmbH
Industries
Food and Beverage
Business Areas
Information Technology
Operations
Project Management
  • Management and further development of the company infrastructure
  • Implementation of new projects in production environment, cloud, network & security
  • Responsibility for security & compliance, infrastructure & operations, and automation & configuration
  • Technical project management and coordination between departments, support teams, and external service providers
Mar 2022 - Jan 2024

System Administrator

Otto Wulff GmbH

Expertise details
Position Summary
System Administrator at Otto Wulff GmbH
Industries
Construction
Business Areas
Information Technology
Project Management
  • Project lead for introducing a Sophos XDR solution to increase detection rate and speed up incident response
  • Implementation of an endpoint management system based on Microsoft Intune
  • Planning, piloting, phased rollout to 1000 endpoints, and implementation of standard configurations (baselines, compliance checks)
  • Development of automated patch and hardening workflows, reducing manual intervention and standardizing security updates
Feb 2019 - Feb 2022

Apprentice IT Specialist in System Integration

IT-Service Johannsen GmbH

Expertise details
Position Summary
Apprentice IT Specialist in System Integration at IT-Service Johannsen GmbH
Industries
Information Technology
Business Areas
Customer Service
Information Technology
  • Apprenticeship with a practical focus on user support, incident management, and customer service
  • Early responsibility for on-site customer assignments: Independent installation, configuration, troubleshooting, and user training
  • Participation in rollouts, system installations, network & server projects, and documentation
  • Basics of virtualization (VMware/Hyper-V), backup/restore strategies, and IT security
  • Experience in customer communication, ticket handling, and implementing support processes

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Food and Beverage, and Construction.

Information Technology
Food and Beverage
Construction
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Customer Service, Project Management, and Operations.

Information Technology
Customer Service
Project Management
Operations
Profile match chart

Summary

System Engineer with experience in infrastructure, system administration, and project implementation.

Since August 2024, self-employed as an IT service provider. Managing customer infrastructures, implementing new projects, and providing comprehensive support for all IT-related issues.

Skills

  • Infrastructure: Administration Of Networks (Routing, Switching, Vpn), Proxmox, Vmware/hyper-v, Windows & Linux Servers And Storage Systems.
  • Cloud & Collaboration: Microsoft 365 (Exchange, Teams, Sharepoint, Azure Ad), Google Workspace (User & Policy Management), Nextcloud (Open Source).
  • Security: Firewall Management (Mikrotik, Sophos, Watchguard, Fortinet), Endpoint Security & Xdr, Backup & Restore Concepts.
  • Mdm & Device Management: Intune, Jamf & Miradore For Windows, Macos & Mobile Devices (Policies, Software Distribution, Compliance).
  • Project Work & Support: It Project Planning & Rollouts, Coordination With External Partners, User Support (1st–3rd Level), Troubleshooting & Training.

Languages

German
Native
English
Advanced

Education

Feb 2019 - Feb 2022

IT-Service Johannsen GmbH

IT Specialist in System Integration

Statistics

Experience

Total positions 4
Experience in Information Technology 5 y
Avg length 2 y 2 m
Longest experience 3 y

Expertise

Recent roles IT Service Provider, System Engineer, System Administrator
Main industries Information Technology, Food and Beverage, Construction
Main business areas Information Technology, Customer Service, Project Management

Qualifications

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Theodor based?

Theodor is based in Denzlingen, Germany.

What languages does Theodor speak?

Theodor speaks the following languages: German (Native), English (Advanced).

How many years of experience does Theodor have?

Theodor has at least 7 years of experience. During this time, Theodor has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years and 9 months. Note that Theodor may not have shared all experience and actually has more experience.

What roles would Theodor be best suited for?

Based on recent experience, Theodor would be well-suited for roles such as: IT Service Provider, System Engineer, System Administrator.

What is Theodor's latest experience?

Theodor's most recent position is IT Service Provider at Theodor Heller Greenbyte Solutions.

What companies has Theodor worked for in recent years?

In recent years, Theodor has worked for Theodor Heller Greenbyte Solutions, Taifun Tofu GmbH, Otto Wulff GmbH, and IT-Service Johannsen GmbH.

Which industries is Theodor most experienced in?

Theodor is most experienced in industries like Information Technology, Food and Beverage, and Construction.

Which business areas is Theodor most experienced in?

Theodor is most experienced in business areas like Information Technology, Customer Service, and Project Management. Theodor also has some experience in Operations.

Which industries has Theodor worked in recently?

Theodor has recently worked in industries like Information Technology, Food and Beverage, and Construction.

Which business areas has Theodor worked in recently?

Theodor has recently worked in business areas like Information Technology, Customer Service, and Project Management.

What is Theodor's education?

Theodor attended IT-Service Johannsen GmbH for IT Specialist in System Integration.

What is the availability of Theodor?

Theodor will be available from May 2026.

What is the rate of Theodor?

Theodor's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Theodor?

To hire Theodor, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Market avg: 816-976 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.