Jan GRUŠA
Kolin,Czech Republic
Summary
• Linux installation and configuration - server (Centos, Debian)
Installing the kernel and configuration of the environment. Customisation to the application environment (e.g. Tomcat). System management, daemons and processes, text work, logo parsing, task scheduling and backup.
• Install and configure the Apache Tomcat middleware.
Prepare the structure for Tomcat, install with balancer, set up catalina environment, manage and set up applications, certificates and users with a connection to a Windows domain.
• Application management e-File, banking applications, insurance applications.
• Configuration of DNS, DHCP, SMB and LDAP network services.
• Scripting in OS using Powershell.
Automation scripts for environmental management, policy users, etc. Migration scripts for software updates.
• Installation of the VMWare virtualization platform, central management of the vcenter.
Installation of VMWare platforms, virtualization of servers, management in VCenter environment, backup of platforms.
• Active Directory and Group policy.
Managing users, groups, trusts in and between domains. Maintaining up-to-date data, certificates and security policies.
• Symantec Endpoint Suite.
Installing and managing the server and clients
• Install Windows servers from version 2012, 2016, 2019.
Configuration of servers for applications, management of servers in Microsoft consoles, WAC.
• GFI Languard customer applications.
• IBM Notes and IBM Tivoli Storage Manager.
• Helios, Helios Orange.
Overview
26
26
years of professional experience
3
3
years of post-secondary education
Work history
IT Specialist
Dirac Industries, SRO
Kolin, Sendrazice
2024.04 - 2025.02
Helpdesk level 1 for users in czech side this company.
- Trained staff on new IT systems for improved productivity.
- Troubleshot hardware issues, ensuring minimal downtime.
- Managed IT projects for successful delivery within deadlines.
- Streamlined technical support process, improving response time significantly.
- Monitored system performance regularly, ensuring optimal operation at all times.
- Installed new hardware components for better computing power and efficiency.
- Diagnosed, troubleshot and resolved system issues to minimise user downtime.
- Supported development of remote working hardware and software combined solutions.
- Completed company system upgrade to increase end-user efficiency.
- Installed new software for users and monitored version and patch update requirements.
System administrator
1.CA AS
Prague, Liben
2024.05 - 2024.07
Helpdesk level 2 for specify customers
- Manage OS Windows and Linux.
- Manage application for goverment customers.
- Manage certificates on hardware.
- Backup customer´s environment.
- Deploy new packages for systems.
IT specialist
Raiffeisen-Leasing, SRO
Prague, Pankrac
2023.01 - 2023.03
Helpdesk level 1
- Manage mobile phones.
- Installation laptops for users.
- Manage remote access for users.
- Service MS SQL server and databases.
- Backup user´s systems and applications.
Application administrator
Generali Czech insurence, AS
Prague, Chodov
2020.07 - 2022.12
Helpdesk level 3
- Manage application.
- Manage Windows Server 2016.
- Manage Internet Infomation Server.
- Creating tasks in MSSQL Server, scripting, export table etc. Backup databases. Deploy BI pakages.
- Service Linux and application Apache Tomcat.
Senior consultant
xFuture, SRO
Nymburk
2020.02 - 2020.06
Helpdesk Level 3
- Manage Windows Sever.
- Manage VMWare - ESXi server, vCenter.
- Backup, movement, update virtual machines.
Application engineer
Raiffeisen BS. AS
Prague
2017.04 - 2020.01
Helpdesk level 2
- Service Informix database.
- Manage Windows Server and IIS.
- Manage Apache Tomcat.
- Manage ECM, CIBIS
IT specialist
ICZ, AS
Prague
2016.09 - 2017.02
Helpdesk level 2
- Manage application ESPIS for customers.
- Deploy solutions to customers.
- Working MSSQL Server and Oracle databases.
- Monitoring servers and applications.
- Create documentation.
System administrator
Intax, SRO
Prague, Smichov
1999.01 - 2015.12
Helpdesk level 1, helspdesk level 2
- Manage clients.
- Install and deploy new machines.
- Update systems into company.
- Manage servers - Windows, Linux.
- Manage Active Directory and Group Policy.
- Manage printers and scanners.
- Backup enviroment, servers.
Education
Bachelor of Business Administration - Goverment Administration
University of finance and administration
Prague / Czech Republic 2007.09 - 2010.06
Skills
- Software development
- System administration
- Database management
- Network security
- Data analysis
- Troubleshooting expertise
- Application support
- Coding and scripting
- Tech solution assessment
- IT infrastructure designing
- Information systems testing
- Web services understanding
- Virtualisation techniques
- Client-Server technology knowledge
- Jira
- Active Directory
- Windows, macOS, iOS operating system proficiency
- IT system migrations
- DHCP
- Operating system deployment
- Scripting
- DNS
- Systems administration
- Infrastructure development
- System configuration
- Windows [11]
- LINUX
- Vmware
- Virtualisation
- MS Office 365
- Windows Server [2022]
Languages
English
Intermediate
Affiliations
- Play tennis, swimming, tourism
Timeline
System administrator
1.CA AS
2024.05 - 2024.07
IT Specialist
Dirac Industries, SRO
2024.04 - 2025.02
IT specialist
Raiffeisen-Leasing, SRO
2023.01 - 2023.03
Application administrator
Generali Czech insurence, AS
2020.07 - 2022.12
Senior consultant
xFuture, SRO
2020.02 - 2020.06
Application engineer
Raiffeisen BS. AS
2017.04 - 2020.01
IT specialist
ICZ, AS
2016.09 - 2017.02
Bachelor of Business Administration - Goverment Administration
University of finance and administration
2007.09 - 2010.06
System administrator
Intax, SRO
1999.01 - 2015.12