My main professional skills are

Linux (Red Hat, CentOS, SUSE, Debian, Ubuntu) systems engineering;
Cloud infrastructure administration: AWS, Google Cloud, OpenStack;
Containerization and Orchestration: Docker, Kubernetes, GKE, EKS;
Programming: Python, Ruby, Bash, YAML, REST API; 
Developer Environment: Git/GitHub, Jenkins, TeamCity, Bitbucket, Jira, Confluence, Scrum/Kanban;
Automation: Puppet, Ansible;
Load Balancers: HAproxy, NetScaler;
Monitoring: Nagios, Nagios XI, Zabbix, Splunk, Instana, Elastic Search, Kibana;
VMware infrastructure administration ESXi, vCenter, vSphere;

Basic experience in SQL language, MySQL and NoSQL databases.