VLADISLAV STAROSELSKIY

PRINCIPAL/ENTERPRISE SYSTEMS ADMINISTRATOR

Address:   		available upon request
Phone:			available upon request
E-Mail:     		resume@vladstar.com
SUMMARY
Cross-platform IT experience since 1992 in systems/network design, architecture, installation, implementation, integration, administration and security with a strong programming background; MS degree in Computer Science, Sun Solaris 8 Certified Systems Administrator (SCSA), Microsoft Certified Systems Engineer (MCSE).
SKILLS
OPERATING SYSTEMS:
Linux: Oracle Linux, RedHat, CentOS, Fedora, Debian, Ubuntu, Mandrake, Slackware, OpenSUSE;
Unix: Sun Solaris, SGI IRIX, FreeBSD;
MS Windows: 2008, 2003, 2000, NT; 10, 8, 7, Vista, XP, 98, 95, 3.x;
Novell Netware; IBM OS/2 Warp; MSDOS; Mac OS X;
INTERNET/INTRANET SERVICES:
HTTP/HTTPS WWW, FTP, DNS, NIS/NIS+, WINS, DHCP/BOOTP, SMTP, POP3, IMAP, PXE/TFTP,
NNTP, NFS, SMB (Samba), SNMP, SSH/SFTP/SCP, Telnet, Proxy, VoIP, etc.;
DATABASES:
Oracle RAC/Grid, Exadata, BDA (Hadoop/HBase), MySQL, MSSQL, Scalable SQL, Btrieve;
BACKUP SYSTEMS:
RMAN/OSB, Symantec Backup Exec, Arkeia, Arcserve, Bacula, Veritas Netbackup;
PROGRAMMING LANGUAGES:
PHP, Perl, Shell scripting, HTML/JavaScript, C, REXX, Clipper, Assembler x86/z80;
NETWORKS: 
WAN: Internet, Global One, ATM, Frame Relay, Tekos;
LAN: 10G/1G/100M/10M Ethernet and Fiber Optic, Token Ring;
NETWORK PROTOCOLS:
TCP/IP, NetBEUI, IPX/SPX, X.25, Frame Relay;
Voice: VoIP, VoFR, SIP; Routing: RIP, OSPF; VPN: PPTP, L2TP, IPSec, SSL VPN;
HARDWARE:
Firewalls: Cisco PIX/ASA, Juniper SSG, Fortinet, Palo Alto;
Switches: Cisco Catalyst, Juniper J-series, Arista, Dell Powerconnect, HP Lanplex, 3COM SuperStack;
Servers: Sun X3/X4/Enterprise/Ultra, HP NetServer, IBM xSeries, Dell PowerEdge, Supermicro,
Storage: Oracle ZFS, Net Appliance Filer, SUN StorEdge, Electronix Arena, Dell EqualLogic;
Clusters: IBM System 1350, Oracle BDA, Oracle Exadata;
SOFTWARE:
Monitoring/management: Enterprise Manager, Nagios, Cacti, RRDTool, MRTG, HP OpenView, Micromuse Netcool, 3COM Transcend Enterprise Manager, Juniper NSM Express, Ciscoworks, tcpdump, nmap;
Remote access/control: SSH, RDP, VNC, Citrix, DRAC, IPMI, LOM;
Virtualization technologies: KVM/Libvirt, XEN, OVM, VMware;
Mail systems: Sendmail, Postfix, Courier/Cyrus IMAP, MS Exchange, Novell GroupWise, NTMail;
Internet/Intranet: Apache, Weblogic, Bind, Squid, Samba, IPTables, IPFW, TACACS+, Raduis;
System apps: MS Small Business Server, Solaris JumpStart, PXE/Kickstart;
Office apps: MS Office, MS Visio, OpenOffice, Adobe Acrobat, Adobe Photoshop, Google Apps;
Research apps: MedX/DICOM, Matlab/SPM2, FSL, AFNI, Paravision, XWinNMR, LCModel, IDL, Superlab, Presentation, E-Prime.
EXPERIENCE
December 2014 – present
ORACLE, CORP. – Reston, VA
Principal Cloud Administrator, OCI
December 2012 – December 2014
ORACLE, CORP. – Reston, VA
Principal Cloud Administrator, UGBU
December 2011 – December 2012
DATARAKER, INC. – Reston, VA 
Sr. Systems Administrator
•	DataRaker was acquired by Oracle in December 2012, our group joined the Utilities Global Business Unit (UGBU), later I moved to Oracle Cloud for Industry (OCI) group with the same set of responsibilities;
•	Responsible for designing, installation, administration and support of Unix/Linux servers and network equipment in the US datacenters and abroad;
•	Installed, configured and administered:
•	100+ physical Linux servers under CentOS/Oracle Linux on Sun, Dell and Supermicro hardware;
•	150+ VMs under Linux KVM (qemu/libvirt) and Oracle VM virtualization software;
•	40+ MySQL database servers of 1-5Tb size with DRBD replication;
•	15+ Oracle 11g/12c database servers;
•	5 Cloudera Hadoop/HBase clusters with a total capacity of ~1 Petabyte;
•	Cisco, Dell and Arista network switches with 10G interfaces using port-channel (bond) and mlag;
•	Fortinet, Juniper, Cisco and Palo Alto firewalls;
•	Various supplemental services (sendmail, bind, apache, snmp, ntp, ssh, tftp, etc.)
•	Created OS installation environment using PXE/Kickstart and Puppet automation software;
•	Developed backup strategy, programmed scripts for it;
•	Monitored network and servers using Nagios and Cacti, developed custom plugins for Nagios;
•	Programmed scripts for systems administration needs using Perl, PHP and Bash shell;
•	Troubleshoot hardware and software, supported users;
•	Migrated legacy datacenters to Oracle facilities (in progress)
January 2009 – December 2011
PAXFIRE, INC. – Sterling, VA
Sr. Unix Administrator
•	Responsible for designing, installation, administration and support of Unix/Linux servers in a mixed OS environment;
•	Managed server and network equipment within 3 datacenters across the US
•	Installed, configured and administered:
•	50+ in-house and 100+ remote Linux and Windows servers, 400+ CentOS-based appliances;
•	Juniper J-series (JunOS-based) routers and SSG (ScreenOS-based) firewalls;
•	Cisco Catalyst 29xx and 37xx switches;
•	Juniper NSM Express and VPN SA-2000 appliances;
•	Dell Equallogic iSCSI RAID.
•	Installed VMware vSphere Hypervisor (ESXi), configured and administered virtual servers (guests);
•	Installed and configured Bind (named), sendmail services, PXE network installation;
•	Monitored network and servers using Nagios, developed custom plugins for it;
•	Developed Asset database using PHP language and MySQL database, utilized SSL protocol for authorization and access;
•	Programmed scripts using Perl, PHP and Bash shell;
•	Troubleshoot hardware and software, supported users.
September 2002 – December 2008
GEORGETOWN UNIVERSITY – Washington, DC
Systems Administrator
•	Performed systems administration for CSL (Center for the Study of Learning, Pediatrics Dept.), CFMI (Center for the Functional and Molecular Imaging, Neurology Dept.), Small Animals Imaging Laboratory (Neuroscience Dept.) and GRVP (Psychology Dept.);
•	Installed and administered servers under RedHat Enterprise Linux, CentOS, Fedora Core, SGI IRIX and user computers under Windows and Mac OS X;
•	Installed and administered diskless 19-nodes LM/MPI cluster with dedicated management node (TFTP/PXE/NFS), based on IBM System Cluster 1350 configuration;
•	Checked systems security, installed security patches and bugfixes, disabled secure-weak services (telnet/ftp/etc.), implemented secure remote access (SSH/X-Windows based, VNC and Hummingbird Exceed);
•	Planned, prepared, configured and administered firewalls Cisco PIX 515E and 525E with VLAN/NAT;
•	Supported Electronix Arena II and SIVY8630 SATA RAID5 systems (17Tb of the total capacity), IBM 3581/3582/3583/TS3310 LTO tape libraries with Arkeia backup software;
•	Monitored network using MIDAS, Nagios, Cacti/RRDTool and MRTG monitoring tools (SNMP protocol);
•	Developed csl.georgetown.edu and cfmi.georgetown.edu websites, designed and implemented “Behavioral and MRI testing”, “Scoring” and “GRVP subjects” databases using PHP language and MySQL database, utilized SSL protocol for authorization and access;
•	Supported mail servers (Sendmail) and websites (Apache) with PHP/SSI;
•	Installed and configured XEN hypervisor for running various versions of Linux, needed for research applications;
•	Installed, patched and configured MedX/DICOM, Matlab/SPM2/SPM5, FSL, AFNI, Paravision, XWinNMR, LCModel spectroscopy and image analysis application software;
•	Programmed E-Prime and Presentation experiments;
•	Performed “Systems and Network Security” presentation for Neuroscience Dept.;
•	Troubleshoot hardware and software, supported users.
June 2002 – August 2002
TELVERSE COMMUNICATIONS – Sterling, VA
Systems Administrator
•	Installed and administered Sun Solaris, RedHat Linux and Windows servers; maintained WWW (Apache/Weblogic), FTP (wuftpd/vsftpd), DNS (Bind), Mail (Sendmail), SSH (OpenSSH) services; implemented user LDAP authentication; monitored service using Micromuse Netcool and HP Openview utilizing SNMP traps and MIB databases; implemented Veritas Netbackup solution, maintained Net Appliance Filer storage (Sun StorEdge A1000); administered Sylantro VOIP/SIP services; supported MySQL-based TimesTen database, LDAP and MSSQL databases for application-level systems; programmed scripts using Perl and shell script.
October 2001 – May 2002
RIDHIMA TECHNOLOGIES INC. – Okemos, MI
Client: WAYNE STATE UNIVERSITY, Brain Imaging Research Division – Detroit, MI
Systems/Network Administrator
•	Installed and administered Sun Solaris/SunOS, SGI IRIX, RedHat and Mandrake Linux servers; implemented NAT firewalls and IPSec tunnels; configured NIS/DNS, DHCP, WWW, FTP, RAS, SMTP/IMAP, SSH services; performed network performance optimization; introduced security policies; applied security patches, implemented backup solution; installed Oracle database; developed division website; supported Windows and Mac OS workstations; installed and configured neuroimaging audio-visual stimulation, real-time data acquisition, magnetic resonance imaging and spectroscopy applications software; programmed data handling converters in C, Perl and Shell script languages.
December 2000 – September 2001
UNIVERSAL TECHNOLOGIES AND SERVICES INC. – Troy, MI
Systems Administrator
•	Installed and administered a Sun Solaris, RedHat, Debian and Windows NT servers; administered firewall (with NAT/Proxy); configured and supported Sendmail, POP3, IMAP, INN, NFS, NIS/NIS+, NTP, DHCP, FTP, HTTP and Telnet/SSH services; monitored and analyzed network traffic; installed patches and updates; implemented system automation on Perl and shell scripts for routine administrative and reporting tasks; diagnosed and remedied various hardware, software, and network problems.
March 1998 – December 2000
PSKOV SAVINGS BANK OF THE RUSSIAN FEDERATION
Leading Systems/Network Engineer - Projects Manager
•	Led the team of 4 network engineers and 15 regional support engineers; planned, designed and implemented LAN/WAN projects; installed and administered Solaris, FreeBSD, Windows NT/2000 and Novell Netware servers; administered Oracle, MSSQL, Scalable SQL and MySQL databases; installed and supported services (WWW, FTP, DNS, WINS, Mail, News, DHCP); installed and configured network equipment (Cisco/HP/3COM firewalls, routers, switches, modems) with separate VLANs and IPSec VPN; administered and monitored LAN and WAN; implemented VoIP/VoFR; configured VMWare; assessed network security; solved Y2K problem, implemented user security policies; programmed scripts on C, Perl, Shell; supported users.
May 1996 - February 1998
PSKOV BRANCH OF SAINT-PETERSBURG J-ST. COMMERCIAL "EXIBANK"
Systems Engineer of Computing Department
•	Installed and administered Windows NT, Novell Netware, IBM OS/2 servers; administered and monitored Ethernet LAN (IPX/SPX, TCP/IP, NetBEUI) and WAN (Internet, Global One); configured Cisco, 3COM, USR and Zyxel network equipment; installed and supported various Internet/Intranet services (WWW/FTP/Mail); implemented backup; analyzed network traffic; programmed using MSVC++, Clipper 5.2 and REXX languages; developed internal WWW server; troubleshoot hardware and software, supported users.
November 1993 - May 1996
PSKOV REGIONAL COMMERCIAL BANK
Systems/Network Administrator (Specialist of 1st category)
•	Administered coax-based LAN, installed and administered Windows NT, Novell Netware, IBM OS/2 and Slackware Linux servers; implemented tape backup solution; programmed using C++, Clipper, and Assembler languages; troubleshoot hardware and software, supported users.
May 1992 - March 1993
PSKOV MACHINE-BUILDING PLANT
Computer Operator
•	Administered X.25-based network "Tekos"; installed and configured modems; troubleshoot hardware and software.
ADDITIONAL PROJECTS AND CONSULTING
January 2009 – May 2014
GEORGETOWN UNIVERSITY - Washington, DC
•	As a Sr. IT Consultant, had continued performing systems administration tasks for Center for the Study of Learning, Pediatrics Dept. after leaving the fulltime position.
December 2007 – July 2008
U.S. RUSSIAN BUSINESS CONSULTING - Washington, DC
Website: http://www.usrbc.org/ 
•	Performed consulting services - analyzed, then successfully reported/fixed problems in Windows 2003 environment, with MS Exchange 2003 server, and migrated PHP-based website.
March 2006 - present
RUSSIANDC INC.
Website: http://www.russiandc.com/
•	Performed systems administration, technical support and PHP development for the website.
February 2006 – present
VSTARPHOTOALBUM / VSTARBLOGENGINE
Website: http://freecode.com/users/VladStar
•	Designed and developed a photo album, which generates thumbnails “on-the-fly”, on PHP;
•	Designed and developed a lightweight multi-user/single-blog engine, on PHP.
September 2002 – June 2004
NETBAIT, INC.
Website: http://www.netbaitinc.com/
•	Developed a Linux-based NetBait product, that allows catching and analyzing hacker's activity; designed and built client-server architecture with back-end MySQL database using Perl programming language; performed Q&A testing; installed and administered LAN and WAN infrastructures for the project.
September 2001
UNIVERSAL TECHNOLOGIES AND SERVICES INC. – Troy, MI
Client: STRUCTURED INFORMATION – Birmingham, MI
•	Installed and configured Windows 2000 server with MS Small Business Server (Exchange, SQL, IIS, ISA, RRAS, etc.); installed DHCP, DNS, WINS, WWW, mail, firewall network services; created and tested PPTP/L2TP VPN; implemented backup; migrated users and BDC from Windows NT domain to Active Directory; installed system patches and updates; re-configured user computers.
EDUCATION
September 1990 - July 1997
SAINT-PETERSBURG STATE TECHNICAL UNIVERSITY
•	MS degree in Computer Science
•	Qualification: Systems Engineer
•	Specialization: computers, complexes, systems and networks
TRAINING/CERTIFICATION
ORACLE/SUN:
•	Exadata Administration
•	Oracle 12c Administration
•	Oracle 12c Backup and Recovery
•	Oracle 11g RAC & Grid Infrastructure Administration
•	Oracle VM Administration
•	Sun Solaris 8 Certified Systems Administrator
MICROSOFT:
•	Microsoft Certified Systems Engineer (MCSE)
BRAINBENCH, INC. 
Public transcript #3845 at http://www.brainbench.com/
•	Master Unix Administration
•	Master Linux Administration
•	Master TCP/IP Administration
•	Master Networking Concepts
•	Master Internet Concepts
•	Master Internet Technology Fundamentals
•	Master Computer Technical Support
•	Master Programmer/Analyst Aptitude
•	Master PHP 4
•	Master HTML 4.0
•	LAN/WAN Communications 
•	Internet Security
•	MySQL Administration
•	Bash Shell Scripting
OTHER
•	Can work both as a team player and with no supervision;
•	Strong analytical and problem-solving skills;
•	Excellent written and verbal communication skills.
REFERENCES
Available upon request.