Piotr Siwczak
sysadmin, Grupa Allegro Sp. z o.o.
Poznań,
wielkopolskie
Doświadczenie zawodowe
sysadmin
Work for CERN - running and testing computational infrastructure for Large Hadron Collider (LHC).
Admin for HPC machines (Linux-based large clusters, SMP machines and grids).
- about 3000 accounts
- 200+ high-end PC servers (IA64, Opteron, Xeon clusters), 3 SMP servers (8, 96 and 128 cpus)
- local network infrastructure (including 3Com SuperStack switches with optical fiber uplinks and InfiniBand interconnect)
- local SAN network: FC interfaces and RAID controllers, optical fiber cabling, local disk arrays, uplinks to the company's main SAN/HSM infrastructure
- operating systems: Debian, SuSE (Professional and Enterprise Server), RedHat Server clones, IRIX.
- load-balancing: PBS/Torque, Platform LSF
- research work in the field of autonomous grid systems
- participation in Microsoft Innovation Center project
Admin for HPC machines (Linux-based large clusters, SMP machines and grids).
- about 3000 accounts
- 200+ high-end PC servers (IA64, Opteron, Xeon clusters), 3 SMP servers (8, 96 and 128 cpus)
- local network infrastructure (including 3Com SuperStack switches with optical fiber uplinks and InfiniBand interconnect)
- local SAN network: FC interfaces and RAID controllers, optical fiber cabling, local disk arrays, uplinks to the company's main SAN/HSM infrastructure
- operating systems: Debian, SuSE (Professional and Enterprise Server), RedHat Server clones, IRIX.
- load-balancing: PBS/Torque, Platform LSF
- research work in the field of autonomous grid systems
- participation in Microsoft Innovation Center project
lider działu IT
Corporate IT infrastructure management.
Working as a leader for a 3-people team.
-> about 200 users & workstations
-> 5 servers
-> network infrastructure based on 3com equipment
-> corporate LAN administration
-> Linux/NetWare/Windows servers
-> automated workstation management
-> IT budgeting & procurement
-> was assigned a role of Information Security Officer
Working as a leader for a 3-people team.
-> about 200 users & workstations
-> 5 servers
-> network infrastructure based on 3com equipment
-> corporate LAN administration
-> Linux/NetWare/Windows servers
-> automated workstation management
-> IT budgeting & procurement
-> was assigned a role of Information Security Officer
Specjalizacje
IT - Administracja
Inne
Grupy
freelancerzy IT
Grupa wolnych strzelców z dziedziny IT - programiści, webmasterzy, graficy, administratorzy...
open cloud computing
Celem grupy jest wymiana doświadczeń na temat darmowych/wolnych platform cloud (np. openstack, eucalyptus)
IT – Praca dla osób z charakterem
Grupa zrzesza informatyków oraz konsultantów branży IT. Dyskusje oraz możliwości współpracy to cel tej grupy.