Jacek Jarosiewicz

Jacek Jarosiewicz is a seasoned professional with a strong background in system administration and web applications development.

With over 10 years of experience in system administration and 14 years in web application development, Jacek excels in managing Linux, BSD, and UNIX operating systems.

His expertise extends to high-availability hosting setups involving load balancing, lightweight web servers, clustering, virtualization technologies, and more.

His recent role as IT Operations Manager at Ars Thanea Creative Agency involved overseeing a team, purchasing equipment, maintaining services, and customer relations.

Prior to that, he held positions at K2 Internet S.A. and Ars Thanea Creative Agency, managing numerous servers and desktops, ensuring service availability, installation and configuration of hardware and software, and data recovery.

Jacek's career began as a server-side developer using PHP, Perl, and mod_perl, with additional skills in Java, C, and C++ programming languages.

His system administration skills cover a wide array of technologies such as Apache, Nginx, MySQL, PostgreSQL, VPNs, firewalls, DNS, monitoring tools, and more.

In terms of programming and scripting languages, he is proficient in PHP, Perl, PL/SQL, AWK, Shell, and has basic knowledge of Java, C, and C++.

Jacek's educational background includes studies in Network Security, ITIL Foundation, PRINCE2 Foundation, and a Bachelor's Degree in related fields.

Throughout his career, he has held positions at notable organizations like Supermedia, Ars Thanea, and K2 Internet S.A., showcasing his diverse skill set and leadership capabilities.