Bogumil Stoinski
Bis 2019, Linux Architect / Service Offering Manager, IBM, Katowice, Poland
Katowice, Polen
Über mich
Linux enthusiast with 20 years of hands-on experience. Thinking outside of the box, likes to automate and troubleshoot, always finds the root cause of the issue. Has great customer skills and proven track record.
Werdegang
Berufserfahrung von Bogumil Stoinski
2 Jahre und 6 Monate, Juli 2019 - Dez. 2021
Linux Architect / Cloud Migration Engineer
Henkel / DMSH
· leading migration of Linux servers to a new cloud infrastructure · development of universal Apache Tomcat web application platform · development and maintenance of Linux Golden Images · implementation of global metrics and monitoring system based on Telegraf and Grafana
3 Jahre und 9 Monate, Okt. 2015 - Juni 2019
Linux Architect / Service Offering Manager
IBM, Katowice, Poland
· senior advisory position in a worldwide migration of >50k servers project · develop, implement and execute annual patching plan for >4000 servers · implement automatic security policy violations cleanup for all Unix servers · provide professional Linux trainings for junior employees of the whole GSDC Katowice · act as a focal point for “unsolvable” cases concerned on Linux
1 Jahr und 8 Monate, Feb. 2014 - Sep. 2015
Senior Linux Engineer / Automation Engineer
Kroll Ontrack, Katowice, Poland
· installation/customization and upgrades of Red Hat/CentOS systems · administration of Zabbix enterprise-grade monitoring infrastructure · implementation and administration of SaltStack automation solution · intermediate administration of VMware infrastructure · providing Linux trainings and guidance for junior team members
5 Monate, Mai 2013 - Sep. 2013
Senior Linux Engineer
Seamless Distribution Systems AB – SDS, Stockholm, Sweden
· installation/maintenance and upgrades of Red Hat/CentOS systems · implementation of Spacewalk server which is an Open Source version of Red Hat Satellite Server · installation, maintenance and troubleshooting of mobile payments application written in Java · installation, maintenance and performance tuning of MySQL databases · building RPM packages from sources provided by developers · maintenance of OpenVPN servers
1 Jahr und 4 Monate, Dez. 2011 - März 2013
Red Hat Enterprise Linux Expert
ING Bank, Katowice, Poland
· 3rd line focal point for all Red Hat products, mainly Enterprise Linux ans Satellite Server · assuring the continuity of critical banking applications · design and implementation of new solutions for Red Hat platform · performance monitoring · security monitoring · backup standards · 24/7 on-call rota · systems Errata patching and upgrades · security standards implementation · testing of High Availability and Disaster Recovery procedures
2 Jahre und 11 Monate, Jan. 2009 - Nov. 2011
Consultant / Freelancer / Red Hat Trainer / Red Hat Examiner
os44.com, Warsaw, Poland
· cooperation with B2B Sp. z o.o. as Head of IT - the biggest polish Red Hat Authorized Distributor, Training Partner and Jboss Training Partner · delivering trainings and conducting exams from RHCT, RHCE and RHCA paths · complex design, implementation and support of Red Hat products for government, public and financial sector · responsible for introducing new Open Source products to the polish market
6 Monate, Apr. 2010 - Sep. 2010
Senior UNIX Systems Administrator
Citi, Warsaw, Poland
· installation and maintenance of SUN/Oracle Solaris · migration of UNIX platform operating systems to Red Hat Enterprise Linux
7 Monate, März 2008 - Sep. 2008
Red Hat Enterprise Linux Senior Support Engineer
Rackspace International GmbH, London, United Kingdom
· resolving complex issues and supporting customer requests concerned on Apache, PHP, MySQL, Plesk, sendmail, Postfix, qmail, user management, system patching, security, performance tuning, etc. · serving as an escalation point for lower level support technicians and/or escalate tickets upwards as needed · troubleshooting and performance tuning of MySQL database servers and Apache web servers · handle overflow of customer support phone calls/requests according to ITIL standards
10 Monate, Juni 2007 - März 2008
Consultant / Red Hat Trainer / Red Hat Examiner
Altkom Akademia, Warsaw, Poland
· delivering all the Red Hat courses up to RHCE level (RH033, RH133, RH145, RH184, RH253, RH300) · delivering courses from RHCA certification path · conducting exams RH133 and RH300 · delivering courses concerned on administration of UNIX operating systems and shell scripting
8 Monate, Aug. 2006 - März 2007
Senior Red Hat Enterprise Linux Administrator
Red Hat GmbH, Brno, Czech Republic
· responsible for all technical aspects and partially facilities ones of opening the Czech branch of Red Hat company · maintenance of Red Hat Linux servers (member of Global Information Systems team, setting up new servers, maintenance of existing ones, troubleshooting, performance tuning, hardware maintenance) · setup and maintenance of badge security system (Group4 Securitas software) · setup and maintenance of Dell hardware – servers, workstations, notebooks and printers
1 Jahr und 1 Monat, Juli 2005 - Juli 2006
Senior UNIX Support Engineer
IBM Deutschland GmbH, Brno, Czech Republic
· administration of UNIX servers – mainly IBM AIX (security, users maintenance, services, backup, basic SAP servers management) · maintenance of Tivoli storage and backup solutions · direct contact with customers, 2nd level support
4 Jahre und 6 Monate, Jan. 2002 - Juni 2006
Linux / BSD Administrator / Network Administrator
Private Tourism University, Lodz, Poland
· installation and administration of GNU/Linux and *BSD systems · implementation of author’s automatic network backup system based on client-server architecture · servers and workstations maintenance · maintenance and provisioning of network infrastructure · implementation of system preventing making any changes in working operating systems in classes, libraries and reading rooms · deisgn, development and implementation of new university website
1 Jahr und 2 Monate, Mai 2004 - Juni 2005
Linux/BSD Systems Administrator, Network Administrator
PCKP, Lodz, Poland
· administration of GNU/Linux Debian systems (www, mail, file and fax servers) · maintenance of DSL lines (based on Lucent Cell Pipe devices) · implementation of integrated telemarketing system
Sprachen
Englisch
Fließend
Polnisch
Muttersprache
Tschechisch
Gut
Deutsch
Grundlagen