Oldřich Štefek
Senior IT Infrastructure Solutions Architect & Consultant at DATERA CZ Ltd.- Claim this Profile
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German Limited working proficiency
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English Professional working proficiency
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Czech Native or bilingual proficiency
Topline Score
Bio
Credentials
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Introduction to Cisco Sales
CiscoJan, 2023- Oct, 2024 -
Small Business Technical Overview
CiscoJan, 2023- Oct, 2024 -
IBM Certified Administrator - Spectrum Scale V5.1 Solutions
IBMDec, 2022- Oct, 2024 -
IBM Certified Solution Advisor - Spectrum Storage V7
IBMDec, 2022- Oct, 2024 -
Implementing and Operating Cisco Enterprise Network Core Technologies
CiscoSep, 2022- Oct, 2024 -
IBM Certified Advanced Technical Expert - Power Systems with AIX - p5 (2006), v1 (2010), v2 (2012), v3 (2013)
IBMFeb, 2009- Oct, 2024 -
LPIC-3-300 Linux Enterprise Professional - Mixed Environment
Linux Professional InstituteFeb, 2016- Oct, 2024 -
LPIC-3-303 Linux Enterprise Professional - Security
Linux Professional InstituteJan, 2021- Oct, 2024 -
Cisco Certified Network Professional Enterprise
CiscoSep, 2013- Oct, 2024 -
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
CiscoSep, 2013- Oct, 2024 -
Cisco Certified Specialist - Enterprise Core
CiscoSep, 2013- Oct, 2024 -
Palo Alto Networks Certified Network Security Administrator
Palo Alto NetworksJul, 2022- Oct, 2024 -
Palo Alto Networks Systems Engineer (PSE) - Strata Associate
Palo Alto NetworksJul, 2022- Oct, 2024 -
Palo Alto Networks Systems Engineer (PSE)- Foundation
Palo Alto NetworksJul, 2022- Oct, 2024 -
LPIC-3-304 Linux Enterprise Professional - Virtualization and High Availability
Linux Professional InstituteMar, 2019- Oct, 2024 -
CCNP - Cisco Certified Network Professional - routing, switching
CiscoJun, 2013- Oct, 2024 -
RHCE - Red Hat Certified Engineer - Red Hat Enterpise Linux 7
Red HatApr, 2015- Oct, 2024 -
Complete certification list
Pearson / Prometric
Experience
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DATERA s.r.o.
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Czechia
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Software Development
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1 - 100 Employee
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Senior IT Infrastructure Solutions Architect & Consultant
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Oct 2019 - Present
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GC System a.s.
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Czechia
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IT Services and IT Consulting
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1 - 100 Employee
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IT Infrastructure Architect
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Jan 2018 - May 2019
Leading the key project for customers, leading the infrastructure/implementation group of technical consultants, implementation support.Technical focus on datacenter technologies - PowerVM/KVM virtualization, LAN/SAN networking with focus on Cisco technologies, IBM Power/Intel Unix/Linux servers, AIX/Linux OS (RHEL/SuSE), high availability/DR solutions.Participation in entire business cycle process:- pre-sales aktivities- design/architecture- implementation support- post-sales support- projekt management Show less
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Infrastructure Architect / Team Leader - IT Infrastructure group
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Aug 2016 - Dec 2017
Leading the team of infrastructure consultants with focus on presales activities, supporting implementation teams, projekt management, communication with customers.
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Senior IT Consultant
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Jul 2007 - Aug 2016
Technological leadership of key customer projects - architecture solutions, support service, consultation, training.• Design/architecture of large and complex customer solutions • experienced architect of High Availability and Disaster Recovery solutions • experiences architect of Geographic Cluster solutions• Certified Expert in IBM High-end technologies (System POWER, AIX, SAN, Virtualization, GPFS)• Implementation of complex customer solutions including infrastructure solutions for SAP, Oracle, Oracle RAC• providing technical support to other specialists and customers• providing technical lead during customer project implementationKnowledge:Operating system - implementation, configuration and support of operating systems below, error analysis, communication with vendor support.• AIX 5.3, 6.1, 7.1• RHEL/CentOS Linux 3, 4, 5, 6, 7• SLES Linux 10, 11• Cisco IOS 12.x/15.x• Cisco NX-OS 4.x, 5.xVirtualization - excellent knowledge of IBM PowerVM virtualization platform, very good knowledge of Linux KVM virtualization, user knowledge of VMWare virtualization• PowerVM - AIX/Linux (Power5/Power8 hardware)• PowerKVM - Linux (Power8 hardware)• KVM - Linux (Intel/AMD hardware)Server infrastructure - excellent knowledge of IBM Power hardware including midrange and high-end servers• IBM Power hardware (AIX)• IBM Power/Intel hardware (RHEL/SLES)• Dell/HP Intel hardware (RHEL/SLES)LAN/SAN/Storage infrastructure - implementation, configuration LAN/SAN Cisco/Brocade switches• Cisco Catalyst 29xx, 35xx, 37xx, 6509• Cisco Nexus N2K, N5K, Cisco MDS 91xx• Brocade SAN switche• Storage IBM (midrange)Software / open-source project - knowledge of various monitoring systems• monitoring - Xymon, Nagios, Lpar2rrd, Stor2rrd, Foglight, Zabbix, SIEM, Logmanager• LAN performace/monitoring - NMIS, Smokeping, RancID, Prtg Show less
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GE Money Bank
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Czechia
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1 - 100 Employee
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IT System specialist - Unix, Linux
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Jul 2004 - Jul 2007
Administration and monitoring of servers running Unix OS: • administration servers running OS Aix, Solaris, Redhat Linux • implementation of virtualization layer • implementation of new trends SAN and Storage infrastructure: • administration of high-end technologies IBM, Hitachi, Cisco • implementation of new trends Application team support: • support for Oracle 10g RAC team • migration support from Solaris/AIX single DB to RAC on Redhat Linux on Intel/AMD Projects: • TSM – server-side infrastructure • Oracle RAC – HW and OS preparation, testing, migration support, migrace • IBM CM – Content Manager – aplication team support • Quest Fogliht - implementing of monitoring system Show less
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SPAR South Africa
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South Africa
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Retail
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700 & Above Employee
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UNIX, Network administrator
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Jun 2002 - Jun 2004
IBM Risc server - RS/6000 and HP-UX platform: • administration servers running OS Aix, HP-UX • ksh, bash, perl scripting LAN/WAN, VPN, networking: • configuration and administration of LAN/WAN network • monitoring, troubleshooting Projects: • SPAR central warehouse - HW and SW implementation • data security - design and implementation of security solution for Unix systems • monitoring - design and implementation of monitoring SW (Big Brother, Mrtg, RRD) IBM Risc server - RS/6000 and HP-UX platform: • administration servers running OS Aix, HP-UX • ksh, bash, perl scripting LAN/WAN, VPN, networking: • configuration and administration of LAN/WAN network • monitoring, troubleshooting Projects: • SPAR central warehouse - HW and SW implementation • data security - design and implementation of security solution for Unix systems • monitoring - design and implementation of monitoring SW (Big Brother, Mrtg, RRD)
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JCT Engineering GmbH, Sulzbach am Taunus, SRN
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Sulzbach, Hesse
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IT administrator
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Jan 2001 - May 2002
• LAN/WAN administration • servers and workstartion administration • AIX – Catia, RS/6000 support, administration • HP-UX - SAMBA support, administration • Linux - Redhat, SESe - implementation, support • ADSL - implementation, support • LAN/WAN administration • servers and workstartion administration • AIX – Catia, RS/6000 support, administration • HP-UX - SAMBA support, administration • Linux - Redhat, SESe - implementation, support • ADSL - implementation, support
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GORDIC
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Czechia
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IT Services and IT Consulting
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1 - 100 Employee
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Software specialist
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1998 - 2001
• LAN/WAN networks implementation, support • servers implementation • consuliting services in security area for goverment institution • Internet access for customer, support, administration • cooperation with GORDIC company - goverment software • LAN/WAN networks implementation, support • servers implementation • consuliting services in security area for goverment institution • Internet access for customer, support, administration • cooperation with GORDIC company - goverment software
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Education
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ISS Jablonec nad Nisou
Secondary school with graduation -
Berlitz Schule, Frankfurt am Main, Germany
Zertifikat Deutsch