Roman Mueller IT-Consulting offers you professional IT services.

I’m a Linux Systemadministrator who specializes in automation (via Puppet) of large infrastructures and high traffic websites.

In my past projects I was involved in the following tasks:

• Installation, maintenance of Linux servers (mostly CentOS)
• Deployment of a ESXi virtualization infrastructure
• Automating system deployments with CFEngine and Puppet
• Deployment of a management network
• Multiple datacenter migrations
• Creating RPM packages of internally developed software
• Maintaining Stingray load balancers
• Planning and deployment of a highly available DNS service
• Taking part in 24/7 On-Call
• Maintaining multiple MySQL and PostgreSQL databases
• Creating new Xymon and Icinga checks
• Maintaining a katta search cluster
• Operating a Hadoop cluster

I have obtained the following certificates: MCSA, MCITP, CEH and CompTIA Security+.

If you are interested in hiring me: Please contact me.