SUSE Linux Enterprise Server 11 & 12, RedHat Enterprise Linux 6, 7 & 8, Ubuntu, Solaris 10
Supervising and coordination of teams with Engineers
12.2019 - 08.2021
Designing and building the new strategic container platform based on OpenShift 4 within the enterprise cloud of Swisscom: LDAP Authentication and Authorization, Cluster High Availability via distributed worker nodes across the Swisscom datacenters, Central Log Management Stack, Cluster and Service Monitoring, Cluster Management, Cluster Update, Automation of Cluster Worker Node setup and integration.
Migration of the old Docker Swarm to OpenShift: Creating and managing new namespaces, Ingress and Egress, Coordinating Firewall Implementation across multiple teams (IT Security, Operations, Engineers and Developers), Building Pipelines with Jenkins.
Deputizing the Head of DevOps Platform with prioritization and distribution of task across the team, leading the team’s agile ceremonies like Sprint Planning and Review, representing the team against projects and programs.
Advisory IT Specialist / Product Coordinator Unix Services
01.2014 - 11.2019
Leading Application Hosting and Delivery Team for Unix Services in environment of ca. 2000 servers. Responsible to optimization and automation of services within Unix area. Coordinating Change, Release and Incident Management.
Close cooperation and participation in projects with Engineers and Architects. Distributing and supervising projects to my team members.
Providing development of scripts and puppet code, analyzing and approving code, supporting go-live and applications migrations. Preparing documentation, doing its review and verification. Support for Unix, VMWare, and IaaS Cloud Services. Administering SLES11, SLES12, RHEL6, RHEL7, Ubuntu, Solaris10, ESX, IaaS Cloud, Veritas VM, Veritas Cluster,
Suse Manager and RedHat Satellite. Building infrastructure with Terraform, working with Docker, Kubernetes and Elasticsearch.
Senior IT Specialist
05.2011 - 12.2013
Member of team responsible for administration of ca. 1500 servers. Providing development of scripts, supporting go-live and applications migrations. Creating, reviewing and verifying documentation. Supporting Unix/Linux, VMWare, and IaaS Cloud Services.
Administering SLES11, SLES12, RHEL6, RHEL7, Solaris10, AIX, ESX, Veritas VM, Veritas Cluster.
Technical Support Specialist
08.2007 - 04.2011
Providing technical support for various Sun Microsystems/Oracle products. Mostly focused on Solaris, but also on Sparc and x86/64 servers. For some time I was focused storage products: RAID arrays, tape libraries and storage management software.