Work Experiences

2025
10m
System Engineer

eu-LISA · 10 months

Windows clicking the “Update” button specialist. RHEL semi-manual patching on legacy systems. RHEL patching trough Ansible Automation Platform. TBD

2022 - 2024
2y
Senior Linux Systems Administrator

European Commission · 2 years

Problem solving in the Linux environment of the EC, consisting of RCA, collaboration with the Process Management team, cooperation with stakeholders, writing, testing and implementing changes. Incident support and assistance to colleagues, on-call support.

2021 - 2022
9m
Senior Linux Specialist

Kyndryl · 9 months

Various off-hand automation solutions, solving daily tasks from clients, brief coaching.

2018 - 2021
3y
Senior Linux Specialist

IBM · 3 years

Team’s Linux Hermit, AIX newb, Awful Excel Jockey. Administering AIX and Linux DRaaS infrastructure. Technologies used: TSM, VMware, Power Virtualization, RHEL (surprise!), Ansible. Spends his “free” time training or writing scripts.

2018
5m
System Administrator

AXIT - A Siemens Company · 5 months

Technologies: SVN, Python, Ansible, Jenkins, Oracle Linux, Oracle Virtual Manager, Oracle Database, Synology, Dell servers and switches, literal nuts and bolts. Work in Projects team, in Agile/Scrum paradigm, on AX4 environment improvements. Main project: building an integration environment from the ground up,

2014 - 2018
4y
Opera Mini Administrator

Opera Software · 4 years

Administration of clusters of projects founded on the Presto engine in a server model and other in use by the Opera Mini, Opera for Android, Opera Desktop applications. A career milestone. Here I’ve learned how to administer large-scale geographical clusters using the principles of Configuration Management, CD, monitoring, Infrastructure as Code, and DevOps and SecOps soon before they were popular. Technologies used: Debian GNU/Linux (extra large scale), Pike, Puppet, Naemon, Git, AWK, Perl, Bash, Jira, SQL, nginx, Roxen, Continuous Delivery, DevOps.

2013 - 2014
1y
Flexcube UAT Administrator

Citibank Handlowy S.A. / Citi International PLC · 1 year

Administration and development of scripts handling banking processes. Designing and developing processes and scripts assisting administration tasks.

2009 - 2013
3y
System Administrator

Polkomtel · 3 years

Analysing problems of a platform integrating enterprise class applications. Administering and monitoring applications of the integration platform (HP-UX / AIX / WebSphere / Sybase / Oracle). Administering and monitoring of a selfcare customer service system (AIX / WebSphere / Sybase). Creating scripts for log analysis and administration tools (Perl / Shell / CentOS). Third line of customer support (Remedy). Cooperation with developer teams.

2009
6m
Photographer / Photoreporter

Wici Culture Foundation · 6 months

Concert and event photography. Assisting reporters.

2009
7m
Freelance Photographer

Freelance Photohrapher · 7 months

Assistance at photo sessions.

2008 - 2009
10m
Banking Applications Specialist

Fortis Bank Poland · 10 months

Administering of the online banking system Pl@net (RedHat ES and AS / HP-UX / Tomcat / WebSphere / Tomcat). Creating a log backup system and scripts for log analysis and administration tools (Perl / RedHat). Third line of customer support (Remedy). Collaboration in implementing the monitoring system (Nagios). Cooperation with QA teams, external supplier (Comarch), main accounting system team, interbank settlements team.

2007 - 2008
6m
Technical Operations Engineer

Mobiteam · 6 months

Administering, implementation, monitoring and maintaining applications forming a platform processing SMS and video streams (Linux / custom Java applications). Cooperation with the development team and foreign business teams.

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