Michael Kuschel-DevOps, Linux Administrator, Infrastructure, Security
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Experience
DevOps, Linux Administrator, Infrastructure, Security
ERGO / ITErgo
- Installation, planning, maintenance and further development of the server farm in the area of hardware and software
- Migration of live systems with minimized downtime
- Processing tickets and changes in daily business
- Documentation of 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
Coordinator and Senior Administrator
Software house for patent systems
- Reorganization of the complete hardware and network structure in the data center
- Optimization of the 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
Planning, design and implementation
Mr. Drevensek
- Analysis and planning of the required resources
- Creation of the project plan
- System installation on the servers including hardening (Debian 6.x)
- Definition and implementation of the permission structure
- Adaptation of the servers to the assigned services
- Configuration and administration of Apache 2.2 and PHP 5.4
- Creation and management of X.509 certificates
- Configuration and administration of Postfix, Courier, SASL, Spamassassin and Amavis
- Configuration and administration of the MySQL server
- Setup of the central load balancers and firewall
Planning, design and implementation
Mr. Gödel
- Analysis and planning of the required resources
- Creation of the project plan
- Installation of the operating system on the servers including hardening (OpenSuSE 12.2)
- Setup of the Samba 3 domain and user rights
- Building the LDAP structure
- Adaptation of the servers to the assigned services
- Integration of Windows clients into the domain and printers
- Training of the local administrator
- Setup of the firewall/VPN gateway to the internet
Planning and executing programmer
Enovis Management
- Analysis of the delivered source code
- Adaptation to the new operating system
- Change of database access from Oracle to MySQL and adjustment of rights
- Setup of development and production environments
- Documentation of changes and test runs in the development environment
- Configuration and administration of the Apache 1.2 web server and Tomcat 4.1
- Setup of the backup system
Coordinator and Senior Administrator
Alphatrust
- Installation, design, maintenance, and further development of the web farm with 25 servers in hardware and software
- Migration of live systems with minimal downtime
- Monitoring of the entire infrastructure
- Operation of multiple PHP versions and web servers at the same time on each server
System and Network Administrator
Intetra Networking
- Setup of a data center in Unterschleißheim
- Administration of the Linux server environment
Software – Archiving Solutions
Ush-Datentechnik
- Programming of archiving solutions based on dBase/Clipper and Visual Objects
- Installation of archiving solutions
Hardware
Skyline
- Production of Amiga hardware (external hard drive)
- Manufacturing of client and server hardware according to individual requirements
- Installation and maintenance of Novell networks on Arc and Ethernet
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Insurance, and Manufacturing.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Operations, Production, Product Development, and Project Management.
Summary
- Linux systems: system administration of Linux systems of various distributions in standalone and cluster/HA environments.
- Many years of experience in network administration using Cisco and Brocade components
- 20 years of experience in internet service providing
- Key user in Apache, SSL, Postfix/Sendmail, Bind9, MySQL and system security. Red Hat 7 and 8 incl. their derivatives, Debian up to version 10 including Ubuntu
- Very good 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 )
- Very good 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( Systemv ) 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 Years +
- Sybase 4 Years ++
- Mysql / Maridb 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 Connection ( Brocade ) 10 Years ++
- Checkpoint R80.40, R81.10 3 Years ++
Other
- 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
Certifications & licenses
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Michael is based in Moosburg an der Isar, Germany and can operate in on-site, hybrid, and remote work models.
Michael speaks the following languages: German (Advanced), English (Intermediate).
Michael has at least 37 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 and 1 month. Note that Michael may not have shared all experience and actually has more experience.
Based on recent experience, Michael would be well-suited for roles such as: DevOps, Linux Administrator, Infrastructure, Security, Coordinator and Senior Administrator, Planning, design and implementation.
Michael's most recent position is DevOps, Linux Administrator, Infrastructure, Security at ERGO / ITErgo.
In recent years, Michael has worked for ERGO / ITErgo.
Michael is most experienced in industries like Information Technology, Insurance, and Manufacturing.
Michael is most experienced in business areas like Information Technology, Operations, and Production. Michael also has some experience in Product Development and Project Management.
Michael has recently worked in industries like Insurance.
Michael has recently worked in business areas like Information Technology and Operations.
Michael has 2 certificates. These include: Cisco Certified CCNA Routing And Switching and Microsoft MCSE Windows NT.
The availability of Michael needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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