Roman Mueller IT-Consulting offers you professional IT services.

I’ve used to be a Linux Systemadministrator. Nowadays I work full time on IT-Security.

I’m currently not interested in acquiring new clients.

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

  • Installation, maintenance of Linux servers (mostly CentOS)
  • Multiple datacenter migrations
  • Deployment of a ESXi virtualization infrastructure
  • Automating system deployments with CFEngine and Puppet
  • Deployment of a management network
  • 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 katta search clusters
  • Operating Hadoop clusters

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