Vladimir Stencl
Toronto,ON
Summary
Driven Sr. System Administrator/System Architect with 15+ years of experience on various system implementations and maintenance as well as L2 and L3 networking. Proven history of managing complex infrastructures and data center operations, both local and cloud. Skilled at troubleshooting, communication and collaboration.
Overview
15
15
years of professional experience
Work History
Sr. System Administrator
IMAX
11.2021 - Current
- Implementation of RedHat Satellite environment
- Render farm maintenance (hw & sw)
- VMware and Proxmox implementation and maintenance
- Storage: Qumulo implementation and maintenance, Ceph POC, Lustre POC, GlusterFS build to support Proxmox
- Dell OEM integration
- Various RHEL 8/9 and Rocky Linux 8/9 deployment
- Nagios integration
- Identity Management POC
- Various system administration tasks...
- Planing yearly departmental budget
Lead System Architect / Senior Sys. Administrator
SpinVFX
09.2016 - 11.2021
- Implementation and maintenance of RHEL and CentOS 6, 7, and 8 and Rocky Linux 8
- Automating with Shell scripting and Ansible
- Cloud rendering: Design and implementation of hybrid rendering in AWS and Azure using spot market exclusively
- Cloud backup: Infrastructure backup using AWS virtual tapes and NetBackup
- Corporate network perimeter redesign and implementation: ASA5525-X HA with FirePOWER, pfSense HA for Teradici access
- VMware vSphere 7 implementation: migrating from KVM (oVirt) environment to vSphere 7
- Design and implementation of dual boot workstation environment (CentOS 7.9 + Windows 10): Using kickstart to deploy dual boot environment
- Foreman/Puppet/Katello implementation to drive the Linux environment
- Storage consolidation: Isilon storage cluster sizing, implementation and maintenance (X410, A200, A2000, H500), decommissioning and consolidating Hitachi HNAS and Bluearc clusters
- AMD Epyc Gen1 on-prem render farm expansion
- Complete on-prem backup system implementation using NetBackup and on-site tape libraries
- Migrating corporate email server to Zimbra and later to Gmail
- Microsoft Domain Services 2008, 2012 and 2016 – redesign, reconfiguration, and maintenance
- MS Domain upgrade to 2012 R2 and 2016, WSUS, ESET NOD
- IBM Blade render farm - maintenance
Systems Engineer / System Administrator
AKD D.o.o.
03.2010 - 03.2016
- Building AKD datacenter from scratch (racks, servers, networking...)
- Implementing and maintaining server infrastructure for government project - Croatian e-ID card, e-Passport, e-Driving License, e-Border Pass
- Microsoft Domain Services 2003 – implementation and maintenance
- Migrating DS from 2003 to 2008 and from 2008 to 2012
- WSUS - implementation and maintenance
- Exchange 2003 upgrade to 2010
- Microsoft Exchange 2010 – implementation and maintenance
- ActivIdentity – implementation and maintenance
- IBM TS3200 Tape Library - implementation and maintenance
- CA ARCserv – implementation and maintenance
- IBM Blade H Systems - implementation and maintenance
- VMware vSphere oESX 3.5 cluster– implementation and maintenance (IBM Blade
- System Upgrade form ESX 3.5 to ESXi 4.0 cluster + vCenter
- System Upgrade form ESXi 4.0 to ESXi 5.0 cluster + vCenter
- System Upgrade form ESXi 5.0 to ESXi 5.1 cluster + vCenter
- System Upgrade form ESXi 5.1 to ESXi 5.5 cluster + vCenter
- System IBM 3650 M3 HW – vSphere 4.x: Implementation and maintenance (vSphere cluster, Brocade FC, redundant networking – CISCO Catalyst stack, IBM DS3512 storage, upgrade to 5.0, 5.1
- VMware Converter: converting physical to virtual
- Nagios XI – Implementation and maintenance
Education
Bachelor of Engineering - IT Technologies
Polytechnic of Zagreb
Zagreb, Croatia2008
High School Diploma -
Technical School Ruđer Bošković
Zagreb, Croatia2002
Skills
Extensive knowledge in:
- Linux: RHEL, CentOS and Rocky Linux
- Foreman/Katello/Satellite
- vSphere from version 35 up
- MS AD from version 2003 up
- Backup - NetBAckup, ArcServe local to LTO and to cloud
- Monitoring with Nagios
- Storage: Isilon, Qumulo, BlueArc, ZFS, Lustre, GlusterFS, Ceph
- Render farm build - local and cloud
- Switching - Cisco, Extreme Networks, Brocade
- Routing and FW - Cisco ASA, pfSense
Timeline
Sr. System Administrator
IMAX
11.2021 - Current
Lead System Architect / Senior Sys. Administrator
SpinVFX
09.2016 - 11.2021
Systems Engineer / System Administrator
AKD D.o.o.
03.2010 - 03.2016
Bachelor of Engineering - IT Technologies
Polytechnic of Zagreb
High School Diploma -
Technical School Ruđer Bošković
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