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Summary

Passionate Release Manager & DevOps Engineer with over 4 Years of experience. Focused on constant improving and learning new skills & seeking for new challenges.

Work History

Aliter Technologies, a.s.

Feb 2018Present

Release manager & DevOps TeamLead

• Responsible for DevOps workflows in all projects
• Improved our current pipelines with Ansible/TeamCity to reduce deployment issues by 90% 
• Saved clients money using effective OpenSource technologies.
• Achieved load and performance testing of extremely complex systems
• Write LLD & HLD documentation for client.
• Deploying apps in High Secure environments also in DR/HA mode. Designing whole processes with our QA, Developers and Operations teams.  (DevSecOps)
• Ensured Hands-on Training and Education for client's ICT teams.
• Accomplished fast fault detection using Zabbix & Elastic APM / ELK stack.
• Designing deployment of microservices apps using containers / Docker
Technologies: Jboss, Tomcat, Ansible, GitLab, TeamCity, Docker etc.

Aliter Technologies, a.s.

Nov 2016Feb 2018

ICT Consultant - OpenStack Specialist

• Deployment of OpenStack environments.
• Configuring/Maintaining almost all OpenStack Services.
• Engaged in Two Private cloud projects.
• Enhanced current Cloud enviroments, Designed monitoring with CA Spectrum. 
• Synchronized Linux Firewall with GitLab repository and CI/CD pipelines to ensure fully automatic and CVS managed Firewall.
• Wrote Python based Unix app for network devices CVS managed configuration backups.
• Maintain & Deploy of internal servers mainly RHEL/Centos/Ubuntu withVMware/OpenStack

RF elements s.r.o.

Feb 2015Nov 2016

Linux System & DevOps engineer

• Overall Systems & Network Administration
• Maintain,Deploy, Automate infrastructure in VMware ESXi / vCloud.
• Automation with Puppet, Python, Rake. 
• Monitoring all of our infrastructure/network with NetXMS. 
• Wrote end-to-end test scenarios in Python for our applications
• Cloud-managed Router development / networking side
 Experience with all distros but mostly with Ubuntu / Debian.
• Agile/SCRUM methodology
Git, Atlassian, Radius, Apache, Python, MySQL, Couchbase etc.

Datagram, s.r.o.

Sep 2014Feb 2015

Network Technician ISP

Managing & deploying computer networks, VMware ESX servers.
Set up network devices and configure, also experience with UPS.
Experience with Mikrotik, Ubiquiti, VMware.

Education

Born

Apr1996

22 Years old currently .

OpenCentrum, o.z.

http://lab.sosett.sk/ Work from 10/2013 on project OpenCentrum AIS - Academic information system for schools.
Server deploy, manage, maintain.
LAMP, DNS, Firewall, OpenVZ containers.

Skills

Systems

Experienced with RHEL. ALso with other distros like Debian/Ubuntu. Windows Server, IBM AIX

Virtualization / OpenStack Cloud

Virtualization mostly with VMware vCenter/vCloud, KVM/QEMU, SetUp & management of OpenVZ containers. Docker/AWS basics.

Networking

TCP/IP, Monitoring, Management, testing networks. Configuration of Mikrotik / Ubiquiti devices.

DevOps / Release management

Negotiating client's needs.
Design, Create, Deploy of scalable effective deployment workflows using Ansible/TeamCity / Docker 

Monitoring & Logging

Monitoring via CA SysEdge/Zabbix/ ELK/ Elastic APM / NetXMS SNMP, NXSL, Event processing, monitoring dashboards, Object Tools, Notification system intergation with android app.

Bash / Python

DevOps level / Automation scripts.
Wrote few small apps in Python e.g. network device configuration backup service.

Puppet / Ansible

Infrastructure automation languages. To ensure scalability and efficient workflows.

HTML/JS/PHP/CSS ; JAVA

Template create & edit. Junior skills with all of those languages. PHP simple monitoring system integrated  with Mikrotik RouterOS API. Developed simple php app for monitoring/ heartbeats / end2end test of our application.

IT/HW Services

Repairing/Troubleshooting all of IT/HW - PCs, servers, network devices

Management

Atlassian: JIRA,Confluence,Fisheye,Bamboo
GitLab, EA

Language Skills

Slovak - Native

Czech - Near native

English - Fluent 

About me

Sociable, Success-oriented, Achiever, friendly, funny, communicative, work in a team but also individually, punctual, pleasant demeanor, solve any problems, Fast learning new technologies & workflows;

Interests

Extreme Snowboarder, Rock Climb addict, Motocross rider & UltraTrail runner who constantly learn new things. (Calisthenics, BookReading, Traveling, IceSwiming);