Linux Administrator & Network Administrator

Kandidát je skúsený administrátor s viac ako 13-ročnou praxou. Jeho práca na poslednom projekte zahŕňala nasadenie sieťových riešení, migráciu údajov z iných platforiem, konfiguráciu, zabezpečenie služieb DNS pomocou programu Guardian a automatizáciu pomocou rozhraní REST API. Medzi technológie, ktoré používa, patria Linux, Unix, DNS Server, HP-UX, RedHat, Ubuntu, Gentoo, MS Windows, doména AD, VMware, Hyper-V, NetApp, FreeNAS, MySQL, PostgreSQL, Apache, Nginx,Tomcat, JBoss, Postfix, Nagios, Zabbix, Bacula. Chce sa zamerať na DevOps. Bol vedúcim oddelenia. Má skúsenosti s agilnými metodikami. Denne používa angličtinu a práca v medzinárodnom tíme mu vyhovuje.

Work experience

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Nov 2021 – Dec 2022: Professional Services Engineer

• Responsibilities: Open freelance contract with work ordered within indicated period
• Deployment of EfficientIP DDI solution in customers’ environments
• Developing the IPAM data model appropriate for the customer
• Customizations of the data structures with custom classes
• Migration of DDI data from other platforms
• Configuration and deployment of DNS/DHCP services
• Securing the DNS services with Guardian
• Automating DDI operation through REST API

Dec 2016 – Jul 202: Network Tools Engineer (IPAM Engineer)

• Responsibilities: Support and infrastructure administration of network services for customers
• Deployment and administration of VitalQIP appliances
• Troubleshooting of running services
• TCP dump and protocol level analysis of network communication
• Routing tables analysis and network subnets allocation
• Maintaining data in QIP database
• Scripting large scale operations on QIP database or infrastructure

Nov 2014 – Nov 2016: Unix/Linux Administrator

• Responsibilities: Administration of internal IT systems built on Vmware virtualization and Linux servers (Ubuntu, CentOS, Gentoo)
• Networking (switching, routing, firewall, DNS, DHCP, IPSec)
• Web applications administration (Apache, Nginx, Tomcat, JBoss)
• Database administration (MySQL, PostgreSQL)
• Email solution administration (postfix)
• Development tools (SVN, GIT, Jenkins) and management tools (Jira, Confluence) administration
• Monitoring (Nagios, Zabbix)
• Windows domain administration (Active Directory)
• Deployment of software solutions at customers' sites

Jun 2013 – May 2014: NetApp Systems Engineer

• Responsibilities: NetApp storage design, performance calculations, quotations
• Sales support, presentations for partners and customers
• Technical publishing and marketing technologies
• Preparation and carrying out of NetApp trainings

Jul 2012 – Apr 2013: HP-UX Administrator (3rd line)

• Responsibilities: HP-UX systems administration and advanced troubleshooting
• Patching, storage migration, and hardware maintenance
• Change management and implementation

Jan 2011 – Sep 2012: CAD/Unix Administrator

• Responsibilities: Installations and configuration of RedHat and HP-UX systems
• NetApp disk array administration and backups
• Maintenance of internal websites and databases
• Basic LAN and Windows users support
• CAD users support and scripting layer debugging

Mar 2010 – Dec 2010: Platform Teams Trainer

• Responsibilities: Preparation and holding of internal ITIL trainings and HP employees; development of presentation materials
• Incidents troubleshooting at Unix 2nd line; random quality checks
• Technical documentation development and 1st line team coaching

Oct 2008 – Feb 2010: Unix/Linux Administrator (1st line)

• Responsibilities: Incidents and service requests troubleshooting at HP Unix 1st line
• Responsibility for customers' Linu