Vladislav Staroselskiy - Resume

Address: Sterling, VA (local offers only, please) Home phone: available upon request E-Mail: resume@vladstar.com Web page: http://vladstar.com/

Sr. Systems/Network Administrator

SUMMARY

Cross-platform experience in systems/network architecture, installation, implementation, integration, security and administration with a strong programming background; IT experience since 1992, MS degree in Computer Science, Sun Solaris 8 Certified Systems Administrator, Microsoft Certified Systems Engineer (MCSE)

SKILLS

• OPERATING SYSTEMS:
• Unix: Sun Solaris, SGI IRIX, FreeBSD;
• Linux: Fedora Core, CentOS/Redhat, Debian, Mandrake, Slackware, KSI, Bering;
• MS Windows: 7, Vista, XP, 2008, 2003, 2000, NT, 98, 95, 3.x;
• Novell Netware; IBM OS/2 Warp; MSDOS; Mac OS;
• INTERNET/INTRANET SERVICES:
• HTTP/WWW, FTP, DNS, NIS/NIS+, WINS, DHCP/PXE, SMTP, POP3, IMAP, TFTP, NNTP, NFS, SMB (Samba), SNMP, SSH/SFTP/SCP, Telnet, Proxy, ICQ, etc.;
• BACKUP SYSTEMS:
• Symantec Backup Exec, Arkeia, Arcserve, Replica, Veritas Netbackup;
• DATABASES:
• MySQL, Oracle, MSSQL, Btrieve, Scalable SQL;
• PROGRAMMING LANGUAGES:
• PHP, Perl, ASP, Shell scripting, HTML/JavaScript, C, REXX, Clipper, Assembler x86/z80;
• NETWORKS:
• WAN: Internet, Global One, ATM, Frame Relay, Tekos;
• LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, Token Ring;
• NETWORK PROTOCOLS:
• TCP/IP, NetBEUI, IPX/SPX, X.25, Frame Relay; voice: VoIP, VoFR; routing: RIP, OSPF; VPN: PPTP, L2TP, IPSec;
• HARDWARE:
• WAN: CISCO PIX 515/525 firewalls, 1600/1700/2500/2600 routers, 3COM/US Robotics, ZyXEL, Motorola, Zelax modems;
• LAN: CISCO Catalyst 3500/6500, 3COM SuperStack 1000/1100/9300 switches, HP CoreBuilder 6012 Lanplex module, 3COM SuperStack DualSpeed, HP LinkBuilder FMS II hubs
• Servers: Sun Enterprise 450, E220R, Netra T1, Ultra 2/10/60, HP NetServer LE/LH/LS series with RAID 5 array, IBM xSeries 205, PC Server 310, Dell PowerEdge 2200/2500/2600/6600, IBM-compatible desktop/laptop computers;
• Storage: Net Appliance Filer, SUN StorEdge A1000, RAID5 Electronix Arena II and SIVY8630 SATA, Dell EqualLogic;
• High availability: IBM System Cluster 1350, F5 BIG-IP, Isilon IQ.
• SOFTWARE:
• Monitoring/management: Nagios, Cacti, RRDTool, MRTG, MIDAS, HP OpenView, Micromuse Netcool, 3COM Transcend Enterprise Manager, SNMPStat, Network Monitor, CINCO NetXRay, SATAN, XSpider, TCPScan, nmap, CISCO Works, CISCO ConfigMaker;
• Remote access/control: VNC, SSH, Citrix WinFrame, MS Terminal, Norton PC Anywhere, Hummingbird Exceed;
• Virtualization technologies: KVM, VMware ESXi, XEN;
• Mail systems: Sendmail, Postfix, Courier IMAP, Cyrus IMAP, MS Exchange, Novell GroupWise, NTMail;
• Internet/Intranet: Apache, Weblogic, Bind, Squid, INN, Samba, IPFW, IPFilter, IPTables, TACACS+, Raduis;
• System apps: MS Small Business Server, AdminSuite, JumpStart, KickStart;
• Office apps: MS Office, MS Visio, Adobe Photoshop, Adobe Acrobat;
• Imaging 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 is now under Utilities Business Group Unit (UBGU), my responsibilities mostly remained similar to listed below

• Responsible for designing, installation, administration and support of Unix/Linux servers;
• Installed, configured and administered:
• 100+ physical Linux servers under CentOS 5 and 6, on Dell and Supermicro hardware;
• 20+ virtual servers under Linux KVM virtualization software (qemu/libvirt);
• 40+ MySQL database servers of 1-3Tb volume size with replication and DRBD system;
• 4 Hadoop/HBase clusters with a total capacity 200+ terabytes;
• Cisco, Dell and Arista switches with 10Gbit interfaces using port-channel (bond) and mlag;
• Fortinet, Juniper, Palo Alto and Cisco firewalls;
• Various 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.

• Responsible for designing, installation, administration and support of Unix/Linux servers in a mixed OS environment;
• Installed, configured and administered:
  • 50+ in-house and 100+ remote Linux and Windows servers, 400+ Linux-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;
• Troubleshooted hardware and software, supported users.

• Performed systems administration for Center for the Study of Learning (Pediatrics Dept.), Center for the Functional and Molecular Imaging (Neurology Dept.) and Small Animal Imaging Laboratory (Neuroscience Dept.);
• Installed and administered servers under RedHat Enterprise Linux 4, CentOS 5, SGI IRIX 6.5, Fedora Core 6/5/4/3, RedHat Linux 9.x/8.x/7.x, user computers under Windows XP/2000/98, Mac OS X/9.x/8.x;
• Installed and administered diskless 16-nodes MPI cluster with dedicated management node (TFTP/PXE);
• Checked systems security, installed security patches and bugfixes, disabled secure-weak services (telnet/ftp/etc.), implemented secure remote access (SSH/X-Windows based on PuTTY, VNC and Hummingbird Exceed 7.0);
• Planned, prepared and implemented network scheme with firewall (VLAN/NAT) based on Cisco PIX 515E and 525E; performed "Systems and Network Security" presentation for Neuroscience Dept.;
• Supported Electronix Arena II and SIVY8630 SATA RAID5 systems (5Tb of the total capacity), IBM 3582 LTO2 tape library and IBM 3581 LTO tape autoloaders with Arkeia 5.x backup software;
• Supported mail servers (Sendmail) and websites (Apache) with PHP/SSI;
• Monitored network using MIDAS, Cacti/RRDTool and MRTG monitoring tools (using SNMP protocol);
• Designed and implemented "Behavioral and MRI testing database", using PHP language and MySQL database;
• Installed, patched and configured MedX/DICOM, Matlab/SPM2, FSL, AFNI, Paravision, XWinNMR, LCModel spectroscopy and image analysis application software;
• Programmed E-Prime and Presentation experiments, developed websites using PHP language;
• Troubleshoot hardware and software, supported users.

• Performed systems administration for Voice-over-IP services based on Sun Solaris 2.8, RedHat Linux 7.x, Windows 2000/NT4.0/98;
• Installed servers, maintained Internet/Intranet services: WWW - Apache/Weblogic, FTP - wuftpd/vsftpd, DNS - Bind, Mail - Sendmail with SMTP authorization, SSH/SSL - openssh/openssl; installed network authorization scheme based on OpenLDAP database;
• Implemented and supported network monitoring services for NOC, based on Micromuse Netcool 3.4 and HP Openview 6.2 applications, configured SNMP traps, loaded MIB databases;
• Implemented backup solution, based on Veritas Netbackup software with tape library, maintained network storage based on Net Appliance Filer and Sun StorEdge A1000;
• Supported TimesTen (MySQL), LDAP and MSSQL databases for application-level systems;
• Programmed scripts using Perl and shell script.

• Installed and administered a mixed system environment (Sun Solaris 2.7, SunOS 4.1.x, SGI IRIX 6.5, RedHat Linux 7.x, Mandrake Linux 6.x, Windows XP/2000/ME/98, Mac OS 9.x/10.x);
• Installed, configured and administered division's servers and workstations;
• Installed software firewalls with NAT, tunnels based on IPSec protocol, VPN;
• Implemented NIS/DNS, DHCP, WWW, FTP services, remote access server (RAS), mail server with SMTP/IMAP services;
• Improved network scheme and systems configuration to achieve best overall systems performance;
• Planned and documented security scheme, applied recommended security patches, implemented SSH/SSL with secure telnet/ftp/copy services;
• Researched, planned and documented backup solution, based on ADIC Scalar 100 tape library and Veritas Netbackup Datacenter software;
• Installed Oracle 9i database;
• Installed and developed division's website (http://brain.wayne.edu/);
• Installed neuroimaging audio-visual stimulation, real-time data acquisition, magnetic resonance imaging and spectroscopy applications software (FIRE, LCModel, Paravision, XWinNMR, IDL, Matlab/SPM99, Presentation, SuperLab), solved users problems;
• Programmed scripts and data handling tools and converters in C, Perl and shell script languages.

• Installed and administered a mixed platform computer network (Sun Solaris 2.8, RedHat Linux 7.0, Debian Linux, Windows NT 4.0);
• Created a screened-subnet Internet firewall to protect the company's internal network (NAT/Proxy);
• Implemented and maintained corporate email server, based on Sendmail, POP3, IMAP services and INN news server;
• Supported access to network services such as NFS, NIS/NIS+, NTP, DHCP, FTP, HTTP and Telnet/SSH;
• Analyzed server logs and network traffic;
• Tested and installed patches and packages;
• Installed and customized user's accounts and environments, managing of disk quotas;
• Performed automation by Perl and shell scripts for routine administrative and reporting tasks;
• Diagnosed and remedied various hardware, software, and network problems.

• Lead the team of 4 network engineers and 15 regional engineers;
• Planned, designed and implemented of LAN/WAN projects;
• Installed and administered:
• Solaris 2.8/2.7, FreeBSD 4.0/3.x/2.x, MS Windows 2000/NT 4.0, Novell Netware 5.0/4.11/3.1x servers;
• LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, Token Ring, FDDI;
• WAN: Internet, ATM, Frame Relay;
• MS SQL 7.0/6.5, Scalable SQL 4.0, MySQL database engines;
• Arcserve 6.x, Replica and Veritas backup systems;
• TACACS+ system for CISCO users authentication;
• IPFW and IPFilter software firewalls.
• Installed and supported Internet/Intranet services: WWW (Apache 3.x, IIS 4.0), FTP (wuftpd, warftpd, IIS 4.0), DNS (Bind 8.x/4.x), MAIL (Sendmail 8.x, NTMail, Novell GroupWise 5.5), NEWS (INN 2.x), WINS and DHCP (standard Windows NT 4.0);
• Installed and configured network equipment (with VLAN implementation): CISCO 2600/2500/1700/1600 routers; 3COM, HP hubs and switches; HP CoreBuilder 6012 Lanplex module; 3COM, Motorola, ZyXEL modems;
• Monitored network equipment using 3COM Transcend Manager, HP Openview and SNMPStat by SNMP protocol;
• Created Virtual Private Networks (VPN) on CISCO routers;
• Implemented Voice-over-IP and Voice-over-FR technology, as well as RIP/OSPF routing protocols on CISCO routers;
• Analyzed network traffic using CINCO NetXRay and Network Monitor;
• Checked network security using network scanning tools (SATAN, TCPScan), configured access-lists for CISCO routers, implemented security policy for users;
• Programmed in C, Perl, Shell script languages;
• Some experience with Citrix WinFrame 1.7 and NT Terminal Server systems, Oracle 8.x database;
• Developed internal WWW server using MS FrontPage and HTML language;
• Solved Y2K problem, hardware and software troubles, supported users.

• Installed and administered:
• MS Windows NT 4.0/3.51, Novell Netware 4.x/3.x, IBM OS/2 Warp 3.0/2.1 servers;
• LAN: Ethernet based on IPX/SPX, TCP/IP, NetBEUI protocols;
• WAN: Internet based on TCP/IP protocol and Global One based on X.25 protocol.
• Installed and configured network equipment: CISCO 2500 series routers; 3COM hubs and switches; USR, ZyXEL modems;
• Installed and supported Internet/Intranet services: WWW and FTP (IIS 4.0), PROXY (WinProxy 3.x-4.x), MAIL (MS Exchange 5.x);
• Analyzed network traffic and monitored network equipment;
• Implemented backup strategy (magneto-optic and tape backup solutions);
• Migrated users from Novell Netware 4.11 to Windows NT 4.0;
• Programmed in MSVC++ 5.0, Clipper 5.2, OS/2 REXX languages;
• Developed internal WWW server using MS FrontPage and HTML language;
• Troubleshoot hardware and software, supported users.

• Administered Windows NT 3.51, Novell Netware 3.x, IBM OS/2 Warp 2.1 and Slackware Linux servers;
• Supported LAN (Ethernet) based on IPX/SPX protocol;
• Installed coax network;
• Implemented backup strategy (TapeBackup);
• Programmed in Borland Turbo C++ 1.0, Clipper 5.2, Assembler languages;
• Troubleshoot hardware and software, taught and supported users.

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

ADDITIONAL PROJECTS

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 photo album, which generates thumbnails "on-the-fly", using PHP programming language, as a hobby.

Developed technical part of roadsms.com website using PHP programming language and MySQL database, as a volunteer.

Volunteered for a NetBait product development using Perl programming language and MySQL database, installed and administered LAN and WAN infrastructures.

• Installed and configured:
• Windows 2000 Server in mixed-domain environment on Dell PowerEdge 2500;
• MS Small Business Server (Exchange, SQL, IIS, ISA, RRAS, etc.);
• DHCP, DNS, WINS, WWW, mail, firewall network services.
• Created and tested VPN, based on PPTP and L2TP protocols;
• Implemented backup strategy, based on Windows 2000 backup;
• Migrated users and BDC from Windows NT4.0 domain to Active Directory;
• Installed necessary system patches and updates;
• Configured user computers.

EDUCATION

TRAINING/CERTIFICATION

• Sun:
• Sun Solaris 8 Certified Systems Administrator
• Microsoft:
• Microsoft Certified Systems Engineer (MCSE)
• Microsoft Official Curriculum courses:
• 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 (General)
• Master Linux Administration (General)
• Master Linux Administration (RHEL 5)
• Master Networking Concepts
• Master TCP/IP Administration
• Master Programmer/Analyst Aptitude
• Master PHP Programmer
• Master HTML 4.0 Programmer
• Master Computer Technical Support
• Bash Shell Scripting
• LAN/WAN Communications
• MySQL 3.23 Administration
• MS Windows XP Desktop Administration

OTHERS

• 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.