Vladimir Slavnic
High Performance Computing System Administrator at SciNet High Performance Computing Consortium- Claim this Profile
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Bio
Experience
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SciNet High Performance Computing Consortium
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Canada
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Research
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1 - 100 Employee
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High Performance Computing System Administrator
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Nov 2017 - Present
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Institute of Physics Belgrade
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Serbia
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Research
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1 - 100 Employee
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Research Assistant, HPC System Administrator
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Jan 2011 - Sep 2017
- Implementation and optimization of various numerical algorithms for solving complex numerical problems on HPC infrastructures.- Testing, benchmarking, and optimization of parallel numerical libraries.- Advanced visualization of scientific data (in-situ visualization).- Supporting researchers from various international scientific communities in porting and running their application on HPC and Grid infrastructures including profiling, optimization, and improvement of their scalability.- Deployment, administration and maintenance of Linux servers.- Installation and maintenance of various storage and computing services (iRODS data management software, OwnCloud file hosting software, Hadoop cluster, etc.)- Deployment and administration of Serbian largest academic HPC facility PARADOX, as well as Serbian largest Grid site AEGIS01-IPB-SCL.- Member of the administrators team at the Institute of Physics Belgrade responsible for institute’s network and communication center services (Apache based Web servers, mail, DNS, DHCP, EDUROAM).- Coordination of Grid sites within the Academic and Educational Grid Initiative of Serbia (AEGIS): • Testing of new middleware components and their installation process; • Addressing and solving security issues (deploying of security patches and monitoring of the patching status within the national infrastructure); • Maintenance of National Grid Initiative (NGI) ticketing system; • Deployment of monitoring tools on the national level;- Participation in development of Grid monitoring and productivity tools.- Organizing GRID and HPC training events on national and international level and participating as a speaker/trainer.- Active participation in European Commission (EC) FP7 and Horizon 2020 projects related to e-Infrastructures: VI-SEEM, EGI-InSPIRE, HP-SEE, agINFRA, SemaGrow, and PRACE IP projects.- Institute of Physics Belgrade Registration Authority (RA) to AEGIS CA (national GRID certification authority). Show less
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Grid Site Administrator
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Nov 2008 - Dec 2010
- Administration and maintenance of Grid sites located at the Scientific Computing Laboratory, Institute of Physics Belgrade.- Deployment, administration and maintenance of Linux servers.- Working on establishment of Serbian National Grid Initiative (NGI AEGIS).- Active participation in EC FP7 Grid related projects: SEE-GRID-SCI and EGEE-III.- Support to users of national and international Grid Virtual Organizations (VOs): aegis, see, env.see-grid-sci.eu, CERN's atlas and cms. Show less
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Education
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University of Belgrade
B.Sc. (5-year program, recognized as equivalent of Master’s degree in Serbia), Computer Engineering and Informatics, School of Electrical Engineering