Vladislav Staroselskiy - Resume

Address: Reston, VA Home phone: available upon request E-Mail: resume@vladstar.com Web page: http://vladstar.com/

PRINCIPAL/ENTERPRISE SYSTEMS ADMINISTRATOR

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; 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; Routing: RIP, OSPF; VPN: PPTP, L2TP, IPSec, SSL VPN;
• HARDWARE:
• 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;
• Firewalls: Cisco PIX/ASA, Juniper SSG, Fortinet, Palo Alto;
• Switches: Cisco Catalyst, Juniper J-series, Arista, Dell Powerconnect, HP Lanplex, 3COM SuperStack;
• IBM System 1350, Oracle BDA, Oracle Exadata;
• SOFTWARE:
• Monitoring/management: 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

• 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 and Oracle Linux on Sun, Dell and Supermicro hardware;
• 150+ VMs under Linux KVM (qemu/libvirt) and Oracle VM virtualization software;
• 30+ MySQL database servers of 1-4Tb size with replication and DRBD system;
• 10+ 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 supplement 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).

• 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.

• 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.

• 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.

• 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.

• 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.

• 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.

• 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.

• 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.

• Administered X.25-based network "Tekos"; installed and configured modems; troubleshoot hardware and software.

ADDITIONAL PROJECTS AND CONSULTING

• 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.

• Performed consulting services - analyzed, then successfully reported/fixed problems in Windows 2003 environment, with MS Exchange 2003 server, and migrated PHP-based website.

• Performed systems administration, technical support and PHP development for the website.

• 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.

• 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.

• 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

• MS degree in Computer Science
• Qualification: Systems Engineer
• Specialization: computers, complexes, systems and networks
• Diploma Project: A device for the testing and type detection of the TTL and CMOS logic integrated chips by the signature method / Разработка для контроля и определения типа логических интегральных микросхем методом сигнатурного анализа (download) - full diploma, includes VSD files, in Russian

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)
• N867 "System Administration for MS SQL Server 6.5"
• N803 "Administering Microsoft Windows NT 4.0"
• N922 "Supporting MS Windows NT 4.0 Core Technologies"
• BRAINBENCH, INC.
Public transcript ID #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.