Michael Kuschel - DevOps, Linux Administrator, Infrastructure, Security

Q: Where is Michael based?

Michael is based in Moosburg an der Isar, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Michael speak?

Michael speaks the following languages: German (Advanced), English (Intermediate) .

Q: How many years of experience does Michael have?

Michael has at least 36 years of experience. During this time, Michael has worked in at least 7 different roles and for 9 different companies . The average length of individual experience is 4 years . Note that Michael may not have shared all experience and actually has more experience.

Q: What is Michael's latest experience?

Michael's most recent position is DevOps, Linux Administrator, Infrastructure, Security at ERGO / ITErgo .

Q: What companies has Michael worked for in recent years?

In recent years, Michael has worked for ERGO / ITErgo .

Q: Which industries is Michael most experienced in?

Michael is most experienced in industries like Information Technology (IT) , Insurance , and Manufacturing .

Q: Which business areas is Michael most experienced in?

Michael is most experienced in business areas like Information Technology (IT) , Operations , and Production/Manufacturing . Michael also has some experience in Product Development and Project Management .

Q: Which industries has Michael worked in recently?

Michael has recently worked in industries like Insurance .

Q: Which business areas has Michael worked in recently?

Michael has recently worked in business areas like Information Technology (IT) and Operations .

Recommended expert

Moosburg an der Isar, Germany

Experience

Apr 2019 - Present

7 years

DevOps, Linux Administrator, Infrastructure, Security

ERGO / ITErgo

Installation, design, maintenance, and further development of the server farm, covering hardware and software.
Migrating live systems while minimizing downtime.
Handling tickets and changes in daily operations.
Documenting changes and processes in Confluence.
Test runs in the development environment.
Configuration and administration of Linux systems.
Configuration and administration of backup systems (Dell Networker, DataDomain).
Administration of the Checkpoint firewall.

Feb 2017 - Mar 2019

2 years 2 months

Coordinator and Senior Administrator

Software House for Patent Systems

Reorganization of the entire hardware and network structure in the data center.
Optimization of operating systems (Linux, Windows, Windows Server).
Documentation of hardware and processes.
Creation of a dual monitoring system (Nagios, Zabbix).
Creation of a backup structure.
Virtualization of the old environment (VMware vSphere 6.x).
Optimization of the Oracle server structure and setup of an RMAN backup system.
Setup, porting, and migration from Lucene to Elasticsearch (Elasticsearch Stack 6).
Setup of an iSCSI storage environment.
Development of a test system.

Mar 2013 - Apr 2013

2 months

Design, planning, and implementation

Mr. Drevensek

Analysis and planning of required resources.
Creating the project plan.
System installation on servers including hardening (Debian 6.x).
Definition and implementation of the rights structure.
Customizing servers for assigned services.
Configuration and administration of Apache 2.2 and PHP 5.4.
Creating and managing X.509 certificates.
Configuration and administration of Postfix, Courier, SASL, SpamAssassin, and Amavis.
Configuration and management of the MySQL server.
Setting up central load balancers and firewall.

Mar 2012 - May 2012

3 months

Design, planning, and implementation

Mr. Gödel

Analysis and planning of required resources.
Creating the project plan.
Installation of the operating system on servers including hardening (OpenSuSE 12.2).
Setting up the Samba 3 domain and user permissions.
Building the LDAP structure.
Customizing servers for assigned services.
Integrating Windows clients into the domain and setting up printers.
Training the local administrator.
Setting up the firewall/VPN gateway to the internet.

Mar 2007 - Sep 2007

7 months

Design and implementation programmer

Enovis Management

Analysis of the provided source code.
Adapting to the new operating system.
Changing database access from Oracle to MySQL and adjusting permissions.
Setting up development and production environments.
Documenting changes and test runs in the development environment.
Configuration and administration of the web servers Apache 1.2 and Tomcat 4.1.
Setting up the backup system.

May 2003 - Apr 2018

15 years

Coordinator and Senior Administrator

Alphatrust

Installation, planning, maintenance and enhancement of the web farm with 25 servers in hardware and software
Migration of production systems while minimizing downtime
Monitoring the entire infrastructure
Running multiple PHP versions and web servers at the same time on each server

Jan 1999 - Dec 2016

18 years

System and Network Administrator

Intetra Networking

Set up a data center in Unterschleissheim
Administration of the Linux server environment

Jan 1992 - Dec 1995

4 years

Software – Archiving Solutions

Ush-Datentechnik

Programming archiving solutions based on dBase/Clipper and Visual Objects
Installation of archiving solutions

Jan 1987 - Dec 1992

6 years

Hardware

Skyline

Production of Amiga hardware (external hard drive)
Manufacturing client and server hardware based on custom requirements
Installation and maintenance of Novell networks on ARC and Ethernet

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (29 years), Insurance (7 years), and Manufacturing (6 years).

Information Technology

Insurance

Manufacturing

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (36 years), Operations (7.5 years), Production (6 years), Product Development (4 years), and Project Management (0.5 years).

Information Technology

Operations

Production

Product Development

Project Management

Summary

Linux systems: administering a variety of Linux distributions in standalone and cluster/HA environments.
Several years of network administration experience using Cisco and Brocade components.
20 years of experience in internet service providing.
Key user of Apache, SSL, Postfix/Sendmail, Bind9, MySQL, and system security. Red Hat 7 and 8 including their derivatives, Debian up to version 10, including Ubuntu.
Strong knowledge of VMware 5.5 to 6.7, Docker and Podman, Kubernetes, Git, SVN, Subversion, Tomcat, Java 7/8, JBoss 7, Wildfly 8/10, Oracle Virtualization Manager.
Very good knowledge of scripting languages (Bash, Ksh, Perl, Python, Groovy).
Good knowledge of programming languages (C, C++, Pascal).
Strong knowledge of SCO Unix 3.2 / OpenServer 3.0.
Good knowledge of Sun/Oracle Solaris 9/10, BSD, macOS.
Experience with HP-UX 10/11.
Experience with Matrix42, Confluence, Jira, PRTG, CheckMK, Grafana, Networker, Oracle DB 12c and 19c, Netscaler ADC VPX, Checkpoint R80.40, R81.10.
Basic knowledge of NetApp, DataDomain

Skills

Operating Systems

Linux (Debian, Redhat, Suse) 20 Years +++
Windows (Nt, 2000, Xp, 7, 10) 20 Years +++
Windows Server (Nt, 2000, 2003) 20 Years ++
Windows Server (2008, 2012, 2016) 5 Years +
Hp-ux 10.x (Older Versions) 5 Years ++
Solaris 9/10 (Sun, Oracle) 10 Years ++
Sco-unix Up To 3.2v4.2 10 Years ++
Xenix (System V) 5 Years ++
Novell (Various Versions) 20 Years ++

Programming

Scripting Languages: Perl/cgi, Bash, Ksh, Csh, Python, Groovy 15 Years ++
Web Development: Javascript, Php, Perl, Html, Css 10 Years ++
Programming Languages: C/c++, Pascal 5 Years ++

Databases

Mssql 1 Year +
Sybase 4 Years ++
Mysql/mariadb 8 Years +++
Postgresql 3 Years ++
Dbase/clipper/vo 25 Years +++
Oracle 11gr2 And 19c/rman (Administration Only) 3 Years ++

Network

Tcp/ip, Lan/wan, Intranet/internet 20 Years +++
Network Routing 20 Years +++
Load Balancing (Netscaler) 10 Years +++
Fc Connectivity (Brocade) 10 Years ++
Checkpoint R80.40, R81.10 3 Years ++

Miscellaneous

Git, Svn, Cvs 6 Years +
Apache, Nginx, Lighttpd, Tomcat 18 Years +++
Eclipse 6 Years ++
Visual Studio 10 Years +
Zabbix, Nagios, Prtg 15 Years +++
Cms (Typo3) 5 Years +
Proxy (Squid) 10 Years ++
Samba (Various Versions) 10 Years ++
Openssl 10 Years ++
Certificate Management 10 Years ++
Firewall Configuration (Linux-based) 15 Years +++
Kerberos 3 Years ++
Openldap 5 Years ++
Tomcat, Jboss, Wildfly 3 Years ++
Docker, Podman, Kubernetes, Ansible, Yaml 2 Years ++
Dell Networker 3 Years ++

Protocols

Http/https
Snmp
Smtp
Pop3/imap
Dns
Dhcp
Ntp
Smb
Ldap

Hardware

Pc Hardware 25 Years +++
Server Hardware (Dell, Siemens/fujitsu, Hp) 20 Years +++
Routers (Cisco) 20 Years +++

Languages

German

Advanced

English

Intermediate

Certifications & licenses

Cisco Certified CCNA Routing And Switching

Cisco

Microsoft MCSE Windows NT

Microsoft

Profile

Created

September 2025

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Frequently asked questions

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

Where is Michael based?

Michael is based in Moosburg an der Isar, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Michael speak?

Michael speaks the following languages: German (Advanced), English (Intermediate).

How many years of experience does Michael have?

Michael has at least 36 years of experience. During this time, Michael has worked in at least 7 different roles and for 9 different companies. The average length of individual experience is 4 years. Note that Michael may not have shared all experience and actually has more experience.

What roles would Michael be best suited for?

Based on recent experience, Michael would be well-suited for roles such as: DevOps, Linux Administrator, Infrastructure, Security, Coordinator and Senior Administrator, Design, planning, and implementation.

What is Michael's latest experience?

Michael's most recent position is DevOps, Linux Administrator, Infrastructure, Security at ERGO / ITErgo.

What companies has Michael worked for in recent years?

In recent years, Michael has worked for ERGO / ITErgo.

Which industries is Michael most experienced in?

Michael is most experienced in industries like Information Technology (IT), Insurance, and Manufacturing.

Which business areas is Michael most experienced in?

Michael is most experienced in business areas like Information Technology (IT), Operations, and Production/Manufacturing. Michael also has some experience in Product Development and Project Management.

Which industries has Michael worked in recently?

Michael has recently worked in industries like Insurance.

Which business areas has Michael worked in recently?

Michael has recently worked in business areas like Information Technology (IT) and Operations.

Does Michael have any certificates?

Michael has 2 certificates. These include: Cisco Certified CCNA Routing And Switching and Microsoft MCSE Windows NT.

What is the availability of Michael?

Michael is immediately available part-time for suitable projects.

What is the rate of Michael?

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