Maciej Korzeń
About Maciej Korzeń
Maciej Korzeń is a System Administrator with extensive experience in security protocols, virtualization platforms, and configuration management tools. He has worked for various companies in Poland, including RTB House and GetInData, and possesses programming skills in multiple languages.
Work at RTB House
Maciej Korzeń has been employed at RTB House as a System Administrator since 2021. In this role, he is responsible for managing and maintaining the organization's IT systems. His work involves ensuring system reliability and performance, as well as implementing security protocols to protect sensitive data.
Previous Employment Experience
Before joining RTB House, Maciej Korzeń held several positions in the IT sector. He worked at GetInData as a DevOps for 11 months in 2020. Prior to that, he served as a Network and Systems Administrator at Navigo Sp. z o.o. from 2010 to 2011 and at MoCoHub Technology Development S.A. from 2009 to 2010. He also worked at ATM S.A. as an Information Systems Administrator from 2011 to 2015 and at IIIT Innovation In IT as a DWH DevOps Team Leader from 2015 to 2020.
Education and Expertise
Maciej Korzeń studied Informatics at Wyższa Szkoła Informatyki Stosowanej i Zarządzania WIT in Warsaw, where he earned an engineering degree from 2003 to 2009. He has completed a course on ISO/IEC 27001:2013 Information Security Management System by BSI Group Poland in March 2014. His expertise includes security protocols, configuration management, and application deployment tools.
Technical Skills and Knowledge
Maciej Korzeń possesses extensive knowledge in various technologies and programming languages. He is skilled in security protocols and tools such as PKI, PGP/GPG, S/MIME, SSL/TLS, and SELinux. His programming skills include C, C++, C#, PHP, Perl, Python, and Ruby. He also has experience with big data technologies like Hadoop and Kafka, and he is proficient in managing email systems including Zimbra, Exim, Postfix, and Dovecot.
Virtualization and Distributed Filesystems
Maciej Korzeń has extensive experience with virtualization platforms, including Xen Server, VMware, and Proxmox. He is knowledgeable in distributed filesystems such as GlusterFS, MooseFS, and HDFS. His experience in these areas contributes to his ability to manage complex IT infrastructures effectively.