System Administrator

• Apr 2020 - Present

System Administrator / Tester

• Jun 2013 - Mar 2020

Testing and administering complex information system for public transport companies inside of international team. Systemconsists of various components like data center services, control centers, monitoring applications,data mining and business intelligence applications, data export and import processes, mobileapplications and sensors, which automatize public transport, provide information not only topassengers, but also to dispatchers and public transport authorities.In… Testing and administering complex information system for public transport companies inside of international team. Systemconsists of various components like data center services, control centers, monitoring applications,data mining and business intelligence applications, data export and import processes, mobileapplications and sensors, which automatize public transport, provide information not only topassengers, but also to dispatchers and public transport authorities.In March 2020 I ended my journey in Trapeze as Service Engineer on my own wish. During almost seven years I collected many new experiences as System Tester and Service Engineer. I consider the peak of my career in Trapeze that I successfuly lead and hand over vehicle platform upgrade project for ZVV (Zürcher Verkehrsverbund), which lasted 3 years and since early months of 2020 this new platform is officialy used by hunderts of public transport vehicles in the ZVV. Show more Show less

Agent

• Jun 2009 - May 2013

In 2009 i've established with my colleague company. All current clients, which are listed here till the end of 2009 are moved at 1.1.2010 under this new company. So we started providing IT services as company.My role in the company is to take care of technical background. We are running hosting servers and manage clients servers. I have designed infrastructure for hosting servers and also network with servers in offices. Simultaneously I'm administering whole infrastructure with our… In 2009 i've established with my colleague company. All current clients, which are listed here till the end of 2009 are moved at 1.1.2010 under this new company. So we started providing IT services as company.My role in the company is to take care of technical background. We are running hosting servers and manage clients servers. I have designed infrastructure for hosting servers and also network with servers in offices. Simultaneously I'm administering whole infrastructure with our team.We are using following technologies:- VMWare ESX- Linux servers - CentOS, Debian- WHM / cPanel- Host Bill Show more Show less

IT Specialist

• Aug 2008 - Oct 2012

Designed and deployed IT infrastructure for online casino. I was the contact person for administration on core or production servers. Later I did takeover to team members, I gave them all documentation and did training courses. I also attend few training sessions from Microsoft – Windows Embedded. We used following technologies and other details:- 10 servers in the background as core servers (small application cluster) and hundreds of clients- VMWare ESX & ESXi- Windows - NLB… Designed and deployed IT infrastructure for online casino. I was the contact person for administration on core or production servers. Later I did takeover to team members, I gave them all documentation and did training courses. I also attend few training sessions from Microsoft – Windows Embedded. We used following technologies and other details:- 10 servers in the background as core servers (small application cluster) and hundreds of clients- VMWare ESX & ESXi- Windows - NLB (network load balancing), application server running on IIS, as application built on .NET Framework - Linux - Firewall iptables, Linux-HA, heartbeat, PostgreSQL + multi-master replication based on middle-ware - Built and maintained LAN servers - SVN, VPN, FTP, Web servers, Database,- Built and maintained Windows Embedded (WXPE, WES7) image for end-user terminals- Ran email services, administered Internet connection.- IT issues controlled by trouble ticket system- Documentation- Reporting to management- Working in IT team Show more Show less

IT Specialist

• Jun 2007 - Oct 2012

At the beginning in this company I had to do takeover after previous sysadmin with no documentation. After that I successfully deployed and migrated few servers serving mainly websites, databases or emails. In this company we also deployed Google Apps on their domain and start using most of core apps. In meantime I was providing users support in office and for remote users working from their homes.Office network administration / Production live servers administration: - File server… At the beginning in this company I had to do takeover after previous sysadmin with no documentation. After that I successfully deployed and migrated few servers serving mainly websites, databases or emails. In this company we also deployed Google Apps on their domain and start using most of core apps. In meantime I was providing users support in office and for remote users working from their homes.Office network administration / Production live servers administration: - File server, DHCP, DNS, Active Directoty, RAS, - Data backukps and disaster recovery - Users support in English / Czech language - worldwide - remotely (most of users are in foreign countries) - Windows XP, Vista, 7, GNU Linux Debian, network printers, mail clients - Outlook / Thunderbird. - Mail and web server administration - both running Linux - Apache, PHP, MySQL, Postfix. - Administration of Google Apps (hosted domain) - Running virtual servers - Running information system - Pohoda SW, Mantis BT, Campsite, Sugar CMR, Wordpress - Log from web servers analyze and generating statistics - Reporting to management - Documentation - HW solutions, planning and proposal and building infrastructure - Working in IT team, tasks was managed by trouble ticket system Show more Show less

IT Specialist

• Apr 2006 - Oct 2012

Providing LAN Administration:- Windows 2003 server - Windows / MAC Fileserver, data backups, FTP server- Internet connection / Router administration- Providing hosting service (Web / mail) on own servers for their domains- User support (Winfows / MAC workstations)- IT Consultation

IT Specialist

• Jan 2005 - Oct 2012

In this company I experienced my first independent 'network administration'. I started working for this company because I had good relationship with clients from previous job and they asked me to do takeover of administration of their network. I deployed new Windows office server, started their website and email with their domain. Later I prepared Linux router to have better security and availability – VPN for example, started another disk array for backup and off-site backup. In them meantime… In this company I experienced my first independent 'network administration'. I started working for this company because I had good relationship with clients from previous job and they asked me to do takeover of administration of their network. I deployed new Windows office server, started their website and email with their domain. Later I prepared Linux router to have better security and availability – VPN for example, started another disk array for backup and off-site backup. In them meantime I provided users support. Providing LAN / WAN Administration: - Proposals and deployment of LAN HW / SW - Windows server - File server, Application server, Accounting / Economic information system (Abra G3), terminal server, print server - Linux server - File server and replication (backups) - Linux Router (Firewall, NAT, DHCP, VPN) - User support - Windows desktops - Providing hosting service (Web / mail) on own servers for their domains - IT consultation - Documentation Show more Show less

IT Specialist

• May 2008 - Apr 2012

In this school I was recommended by one of my current client which was satisfied with my services. First I started with desktops in student labs – providing user support, installing new software and so. Then I propose to deploy Windows active directory. Director was satisfied so we started with another tasks – new Linux router, backup storage, upgrade desktops and so on. Simple IT guy – thus called me.Providing IT support, colsultation and LAN / WAN administration: - Deploy Windows… In this school I was recommended by one of my current client which was satisfied with my services. First I started with desktops in student labs – providing user support, installing new software and so. Then I propose to deploy Windows active directory. Director was satisfied so we started with another tasks – new Linux router, backup storage, upgrade desktops and so on. Simple IT guy – thus called me.Providing IT support, colsultation and LAN / WAN administration: - Deploy Windows environment - Active directory for Prague Campus - Administration of campus server - Windows 2003 - File server, Print server, Active directory, DNS, WINS - Router administration - Linux - IP Cop - DHCP, WoL, Firewall, VPN, - VoIP gateway administration - Linksys - Linux LAN server running few open-source projects (web server - apache2) - Administration of Google apps (hosted domain) - Administration of workstations and users support on spot and also remotely (terminal services) - Proposal and delivery of new hardware, system upgrades - Documentation Show more Show less

IT Specialist

• Aug 2005 - Dec 2010

Providing LAN Administration:- Windows desktop - Users support- Domain and hosting administration- LAN administration - Router / WiFi, Network printer, sharing files- Proposal and delivery of new hardware, system upgrades- Documentation

IT Specialist

• May 2005 - Mar 2008

I started working for this company because owner of it was my colleague from previous job. He knew my experiences so he asked me to do services for his company. They were running Windows server for everything – LAN / WAN services, which I have to take over from previous colleague. Providing LAN Administration: - MAC / Windows dekstops - User support - Windows server administration - IIS, FTP Serv-U, Fileserver, Merak Mailserver, RAS - Domain names administration -… I started working for this company because owner of it was my colleague from previous job. He knew my experiences so he asked me to do services for his company. They were running Windows server for everything – LAN / WAN services, which I have to take over from previous colleague. Providing LAN Administration: - MAC / Windows dekstops - User support - Windows server administration - IIS, FTP Serv-U, Fileserver, Merak Mailserver, RAS - Domain names administration - Internet router - Data backups - IT consultation Show more Show less

IT Specialist

• May 2006 - Dec 2006

For this company I was worked only short time. They were in period of restructuring. In this short period me and colleague (which was my superior) deployed few Windows production servers running special applications for mobile operators like T-Mobile or Vodafone. Then I was a part of testing team – this company developed mobile applications and I tested them.Running and building IT infrastructure on following technologies and providing these IT services:- Proposals, supplying and… For this company I was worked only short time. They were in period of restructuring. In this short period me and colleague (which was my superior) deployed few Windows production servers running special applications for mobile operators like T-Mobile or Vodafone. Then I was a part of testing team – this company developed mobile applications and I tested them.Running and building IT infrastructure on following technologies and providing these IT services:- Proposals, supplying and building HW & SW solutions- Windows servers 2003, system implementations in hosting centres Tiscali and GTS Novera- Windows Media server, IP Load ballancing + Failover, IIS, FTP, MSSQL, VPN, Helix media Server...- Media Delivery platform for customers: T-Moblie, AlJazeera, Nova TV, Rossenberg TV, Wisc-TV, Zee TV...- Application testing in mobile devices - streaming video optimalization, administrating content via CMS- Operate with support ticket system and debugger (as a part of testing team)- www.uturn.cz Show more Show less

IT Administrator

• Mar 2003 - Nov 2005

In this company I started with my network administration. Here I learned a lot.Windows server administration 2k & 2k3: Windows Media server + video streaming,WM encoder, IIS, MSSQL, Active Directory, File Server, RAS, etc... ISPtasks, Merak mail server, Serv-U server, Aktis Abra. Hardware and Software testing.Making proposals, responsibility for LAN (tens users) and WAN (thousandsclients) servers.

Salesman - technician

• Dec 1998 - Sep 2001

Sales of HW/SW at JIMAZ outlet in Hermanova street- Direct contact with customers- Solving technical problems with customers on the fly directly on desk- Orders executions- HW/SW proposals- responsible for actual software offer at shop