✨ systems / networks / cloud, rains, winds & thunders engineer & info-tech security consultant ✨ born in Serbia on February 1979. ✨ speaking fluent English & Serbian, as well as basic Italian ✨
Experience
Lead Cloud Engineer & Security Consultant
NytroBit Labs, Houston, United States
Jan 2020 – Present
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virtualization and containerization of existing servers and applications; -
from ground-up creation of private clouds on bare-metal and dedicated virtual servers, using various technologies, cloud infrastructure systems, hypervisors and so on; -
scalability & high-availability systems implementations - load-balancers, failovers, autoscalers, replication & backup systems, disaster recovery systems and so on; -
container orchestration systems and servers clusters setups - on-premise and hosted kubernetes systems setup and maintenance, database clusters, storage clusters etc; -
setting up encrypted cross-cluster connections, connecting remote data-centers, cloud providers, regions and so on; -
software defined storage integration, from simple Minio S3 servers to complex CEPH clusters; -
networks and systems optimizations and audits, compliance tests, penetration tests etc; -
implementation of intrusion detection/prevention systems of various complexities, from plain log analyzers to sophisticated AI based behavior analysis and anomaly detection systems; -
regular use of infrastructure as a code and application modelling tools such as terraform, puppet, ansible, juju and others;
Systems & Networks Engineer
MaxTeam D.O.O, Belgrade, Serbia
Nov 2014 – Feb 2021
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installation, configuration and maintenance of all things IT - networks, networking devices (routers, switches etc), workstations, servers, operating systems (Microsoft Windows, Linux) and applications operating Linear Particle Accelerators used in Radiation Therapy (radiation treatment planning systems, oncology information systems, network security systems, diagnostic imaging systems etc), on Radiation Therapy Departments of Institutes for Oncology & Pulmonology, Clinical Centres, Leksell Gamma Knife National Center etc, throughout Serbia; -
performing regular security audits, penetration tests and performance tweaks, while following strict corporate compliance guidelines, safeguarding sensitive & confidential patient information;
Senior Linux Administrator, Webmaster, IT Journalist
New Standard Media & Standard Press, Belgrade, Serbia
Sep 2006 – Nov 2019
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design, implementation and maintenance of complete company's IT infrastructure (80+ workstations, servers and networking equipment); -
administration of operating systems, applications, emails & news feeds etc; -
development and maintenance of company's news portals, based on complex content management systems; -
performing regular security audits, penetration tests & performance tweaks, mitigating DDoS attacks happening frequently due to sensitivity of the content (political news in a tense & polarized post-civil-war society);
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writing a column on topics of everything IT, new and promising technologies, interesting devices and gadgets and so on, in printed edition of Standard weekly (ex serbian politics & lifestyle magazine);
Webmaster
Belgrade Philharmonic Orchestra, Belgrade, Serbia
Oct 2009 – Nov 2012
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development and maintenance of the institution's main web portal; -
development and maintenance of a web portal sponsored by Office of the European Union, dedicated to the Pika-Točka-Tačka project of regional cooperation between orchestras from Serbia, Croatia and Slovenia; -
development and maintenance of a web portal sponsored by USAID program through US Embassy in Belgrade, dedicated to the New Year Cycle;
Linux System Administrator & Webmaster
Centre for Applied Nonviolent Action and Strategies, Belgrade, Serbia
2007 – 2012
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development and maintenance of the organization's website (content management system and youtube-like video library with automated conversion/compression of uploads); -
installation, configuration & maintenance of system, services and applications (Linux, MySQL, NGINX, PHP, FFMPEG); -
performing regular security audits, penetration tests & performance tweaks; mitigating DDoS attacks frequent due to nature of the work - CANVAS organization trained activists from more than 50 countries (Iran, Zimbabwe, Burma, Venezuela, Ukraine, Georgia, Palestine, Belarus, Azerbaijan, Tunisia etc), teaching them how to overthrow oppressive regimes by using nonviolent struggle methods tailored for 21st century, that were formed and proven successful against dictatorship of Slobodan Milosevic in Serbia. These methods and training helped activists start the Orange revolution against Victor Yanukovich in Ukraine, Rose revolution against Eduard Shevardnadze in Georgia, Arab Spring movement against Hosni Mubarak in Egypt, revolution against Muammar al-Qaddafi in Lybia and others;
Webmaster
Olaf & McAteer, Belgrade, Serbia
2007 – 2011
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development and maintenance of the company's news portals;
System Administrator
Undisclosed
2010 – 2011
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installation, configuration and maintenance of servers (Linux and OpenBSD); -
installation, configuration and maintenance of computers and smartphones activity surveillance system;
Tech Support
JoomlArt, Hanoi, Vietnam
2009 – 2010
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providing technical support for the customers (Content Management Systems templating systems configuration and maintenance); -
writing company announcements, product manuals and so on;
Webmaster
Dres Press, Belgrade, Serbia
2008 – 2009
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development and maintenance of the company's Internet and Intranet portals, used both for publishing and for articles entry, editing and proofreading;