Responsible and solution-oriented Senior Technical Consultant with over 12 years of experience as a System Administrator in international environments
Aktualisiert am 05.08.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 05.08.2026
Verfügbar zu: 100%
davon vor Ort: 0%
DevOps
Infrastructure as code
Security Konzepte
Puppet
Terraform
Windows Server
Linux Administration
Kubernetes
Splunk
Python
German
native
English
fluent

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

4 years 8 months
2021-12 - now

System administration and development of the IT Infrastructure

IT Consultant
IT Consultant
  • System administration and development of the IT Infrastructure
  • Design and Implementation of Web Applications (Webshops & Rest APIs & Kubernetes) 
Estilo Argentino GmbH
Cologne
11 months
2025-01 - 2025-11

Migration of distributed file systems

Infrastructure Engineer Expert
Infrastructure Engineer Expert
  • Migration of distributed file systems (Microsoft DFS) from private to public Cloud
  • United Kingdom (3 Environments) & Germany (1 high-availability environment)
Axa Group Operations (Windows OS Product)
Cologne
1 year 1 month
2023-12 - 2024-12

process harmonization, implementation & managment

Infrastructure Engineer Expert
Infrastructure Engineer Expert
  • legacy & cloud environment (global with focus on region Asia Pacific ~ 1500 virtual Server)
  • process harmonization, implementation & managment 
  • patching & security
  • knowledge transfer in Terraform and Puppet
  • DevOps (communication of requirements & creation of concepts with the build team)
Axa Group Operations (Windows OS Product)
Kuala Lumpur
1 year 9 months
2022-03 - 2023-11

3rd Lvl Support & Incident Management

Infrastructure Engineer Expert
Infrastructure Engineer Expert
  • legacy & cloud environment (global with focus on region North Europe ~ 3500 virtual Server)
  • IAM role managment
  • 3rd Lvl Support & Incident Management
  • deployment of new VMs with Terraform and Puppet
Axa Group Operations (Windows OS Product)
Cologne
3 months
2021-11 - 2022-01

Consulting for an AI software solution

IT Consultant
IT Consultant
  • Consulting for an AI software solution
  • Design of an software architecture and technical concepts
  • Evaluation of Pros and Cons of different design approaches
  • Evaluation of the Prototype
NI-Negotiation Intelligence AG
Locarno
8 months
2021-05 - 2021-12

Project managment

IT Consultant
IT Consultant
  • Project managment for integration of Cloudservices into the Startup
  • Inhouse IT
Sigolo
Cologne
2 years 7 months
2016-09 - 2019-03

4th lvl support & incident management private cloud environment

Technical Cloud & Automation Delivery Consultant & Backup Cloud Delivery Lead
Technical Cloud & Automation Delivery Consultant & Backup Cloud Delivery Lead
  • 4th lvl support & incident management private cloud environment (~1500 Server)
  • server order management and ressource planning for 4 customers
  • organization & conduction of maintanance weekends
  • design & implementation of server deployment flows for automatic deployment
  • migration from VMWare to MS Azure (~500 Server), process creation for automatic migration, manual migration, consulting and support for legacy & HA systems
  • planning & release of private cloud portal on basis of the HPE cloud stacks
DXC Technology (ehem. Hewlett-Packard Enterprise, Cloud &Automation)
Ratingen
3 years 11 months
2012-10 - 2016-08

Deployment across various departments

Trainee & Internships
Trainee & Internships
Hewlett-Packard GmbH
Böblingen, Cologne, Jena, Ratingen

Aus- und Weiterbildung

Aus- und Weiterbildung

2012 - 2015

Dual Studies - Applied Computer Science (B.Sc.)

Final grade: 2,2

DHBW, Stuttgart


2003 - 2012

Allgemeine Hochschulreife

Final grade: 1,7

Helmholtz-Gymnasium, Bonn


CERTIFICATES

  • Certified Ethical Hacker v13
  • Windows Server 2022 and Azure Hybrid Features
  • MS Active Directory
  • VmWare vSphere 6.7
  • HP Oneview H4C04X
  • ITIL V3 Foundation

Kompetenzen

Kompetenzen

Top-Skills

DevOps Infrastructure as code Security Konzepte Puppet Terraform Windows Server Linux Administration Kubernetes Splunk Python

Produkte / Standards / Erfahrungen / Methoden

PROFILE

Responsible and solution-oriented Senior Technical Consultant with over 12 years of experience as a System Administrator in international environments. Expertise in Windows and Linux infrastructures and private and public cloud architectures. Experienced with VMware-based virtualization and container platforms. Special focus on DevOps practices and IT security.


SKILLS

Cloud & Infrastructure

  • Azure, AWS
  • Docker, Kubernetes, Terraform, Ansible, Puppet
  • vShere, Hyper-V
  • HPE CSA, Operations Orchestration, Server Automation, Application Lifecycle Management


Identity & Access Management

  • Active Directory (Permissions & GPOs)
  • Authentik


Network & Security

  • ELK, Splunk, Packetanalysis
  • Network Segmentation/VLANs
  • Traefik, Nginx


Methodology & QA

  • Agile (Kanban/Scrum)
  • QA Automation (Unit- & Integration Tests), End-to-End Testing


DevOps & CI/CD

  • Git
  • SVN
  • Jira
  • Jenkins
  • Chocolatey


AI & Automation

  • Claude Code, Codex, OpenClaw
  • Agent Configuration and Skill Creation

Betriebssysteme

Windows (Server)
Ubuntu/Debian
RHEL
SUSE

Programmiersprachen

Java
JavaScript
Python
C/C++
C#
Bash
Powershell

Datenbanken

Database design
Microsoft SQL Server & NoSQL-Systeme
mongoDB, redis

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

4 years 8 months
2021-12 - now

System administration and development of the IT Infrastructure

IT Consultant
IT Consultant
  • System administration and development of the IT Infrastructure
  • Design and Implementation of Web Applications (Webshops & Rest APIs & Kubernetes) 
Estilo Argentino GmbH
Cologne
11 months
2025-01 - 2025-11

Migration of distributed file systems

Infrastructure Engineer Expert
Infrastructure Engineer Expert
  • Migration of distributed file systems (Microsoft DFS) from private to public Cloud
  • United Kingdom (3 Environments) & Germany (1 high-availability environment)
Axa Group Operations (Windows OS Product)
Cologne
1 year 1 month
2023-12 - 2024-12

process harmonization, implementation & managment

Infrastructure Engineer Expert
Infrastructure Engineer Expert
  • legacy & cloud environment (global with focus on region Asia Pacific ~ 1500 virtual Server)
  • process harmonization, implementation & managment 
  • patching & security
  • knowledge transfer in Terraform and Puppet
  • DevOps (communication of requirements & creation of concepts with the build team)
Axa Group Operations (Windows OS Product)
Kuala Lumpur
1 year 9 months
2022-03 - 2023-11

3rd Lvl Support & Incident Management

Infrastructure Engineer Expert
Infrastructure Engineer Expert
  • legacy & cloud environment (global with focus on region North Europe ~ 3500 virtual Server)
  • IAM role managment
  • 3rd Lvl Support & Incident Management
  • deployment of new VMs with Terraform and Puppet
Axa Group Operations (Windows OS Product)
Cologne
3 months
2021-11 - 2022-01

Consulting for an AI software solution

IT Consultant
IT Consultant
  • Consulting for an AI software solution
  • Design of an software architecture and technical concepts
  • Evaluation of Pros and Cons of different design approaches
  • Evaluation of the Prototype
NI-Negotiation Intelligence AG
Locarno
8 months
2021-05 - 2021-12

Project managment

IT Consultant
IT Consultant
  • Project managment for integration of Cloudservices into the Startup
  • Inhouse IT
Sigolo
Cologne
2 years 7 months
2016-09 - 2019-03

4th lvl support & incident management private cloud environment

Technical Cloud & Automation Delivery Consultant & Backup Cloud Delivery Lead
Technical Cloud & Automation Delivery Consultant & Backup Cloud Delivery Lead
  • 4th lvl support & incident management private cloud environment (~1500 Server)
  • server order management and ressource planning for 4 customers
  • organization & conduction of maintanance weekends
  • design & implementation of server deployment flows for automatic deployment
  • migration from VMWare to MS Azure (~500 Server), process creation for automatic migration, manual migration, consulting and support for legacy & HA systems
  • planning & release of private cloud portal on basis of the HPE cloud stacks
DXC Technology (ehem. Hewlett-Packard Enterprise, Cloud &Automation)
Ratingen
3 years 11 months
2012-10 - 2016-08

Deployment across various departments

Trainee & Internships
Trainee & Internships
Hewlett-Packard GmbH
Böblingen, Cologne, Jena, Ratingen

Aus- und Weiterbildung

Aus- und Weiterbildung

2012 - 2015

Dual Studies - Applied Computer Science (B.Sc.)

Final grade: 2,2

DHBW, Stuttgart


2003 - 2012

Allgemeine Hochschulreife

Final grade: 1,7

Helmholtz-Gymnasium, Bonn


CERTIFICATES

  • Certified Ethical Hacker v13
  • Windows Server 2022 and Azure Hybrid Features
  • MS Active Directory
  • VmWare vSphere 6.7
  • HP Oneview H4C04X
  • ITIL V3 Foundation

Kompetenzen

Kompetenzen

Top-Skills

DevOps Infrastructure as code Security Konzepte Puppet Terraform Windows Server Linux Administration Kubernetes Splunk Python

Produkte / Standards / Erfahrungen / Methoden

PROFILE

Responsible and solution-oriented Senior Technical Consultant with over 12 years of experience as a System Administrator in international environments. Expertise in Windows and Linux infrastructures and private and public cloud architectures. Experienced with VMware-based virtualization and container platforms. Special focus on DevOps practices and IT security.


SKILLS

Cloud & Infrastructure

  • Azure, AWS
  • Docker, Kubernetes, Terraform, Ansible, Puppet
  • vShere, Hyper-V
  • HPE CSA, Operations Orchestration, Server Automation, Application Lifecycle Management


Identity & Access Management

  • Active Directory (Permissions & GPOs)
  • Authentik


Network & Security

  • ELK, Splunk, Packetanalysis
  • Network Segmentation/VLANs
  • Traefik, Nginx


Methodology & QA

  • Agile (Kanban/Scrum)
  • QA Automation (Unit- & Integration Tests), End-to-End Testing


DevOps & CI/CD

  • Git
  • SVN
  • Jira
  • Jenkins
  • Chocolatey


AI & Automation

  • Claude Code, Codex, OpenClaw
  • Agent Configuration and Skill Creation

Betriebssysteme

Windows (Server)
Ubuntu/Debian
RHEL
SUSE

Programmiersprachen

Java
JavaScript
Python
C/C++
C#
Bash
Powershell

Datenbanken

Database design
Microsoft SQL Server & NoSQL-Systeme
mongoDB, redis

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

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