Yaroslav Klyukin
PERSONAL DETAILS
Home phone: [Send email to request phone number] 85-5330 Email: slava@klyukin.com
Cell phone: (203) 219-9029 US work authorization: US Citizen
SUMMARY
Posses four year college degree and ten years of professional experience in the
infrastructure environment managing Linux, Windows and *nix servers, including
solutions design, architecture and support. Have experience working with global
teams located in Germany and UK to provide stable, available and high performance
systems and services. Proficient in secure and automated administration,
monitoring of distributed servers. Competent in system troubleshooting,
performance tuning, scalability planning, scripting, standardization and
documentation with the emphasis on achieving high up-times.
EXPERIENCE
January 2006 – May 2010 Senior Operational Engineer
"DemandWare" – on-demand eCommerce solutions platform
Facilitated global server deployments by implementing methods of remote Linux
installation, administration, monitoring and change management.
Worked together with Oracle DBA in order to configure Oracle RAC.
Maintained corporate issue tracking, version control and documentation systems.
Administered a number of MySQL databases used for various purposes.
Authored many procedures.
Drastically increased stability and predictability of the infrastructure by
configuring syslog correlation to send e-mail notifications of hardware
pre-failures.
Contributed to security compliance by hardening Linux. Participated in
preparation for PCI compliance audit.
Wrote various scripts in bash, Perl and PHP for monitoring and automation
purposes.
Performed on-site equipment installations in Essen Germany and Chicago US used
by the company's largest customers.
December 2004 – November 2005 Senior Operational Monitoring Engineer
"Adeptra" – computer telephony, fraud detection, collections, marketing.
Saved company money by migrating the internal and customer-facing ticketing
system from outsourced to in-house. Wrote patches to change its default
functionality in conjunction with specific non-standard requirements.
Participated in the initial configuration of the monitoring software on several
hundred Linux and several dozen windows servers located in global data-centers.
Designed centralized syslog and search-able web GUI with an ability to correlate
system events from multiple machines.
Wrote a number of monitoring checks.
Adhered to SAS70 security guidelines.
March 2004 – December 2004 Senior Systems Administrator
"NiuTech" - Internet advertisement
Achieved higher up-times by pro-actively monitoring and fixing mission-critical
production servers under heavy utilization of thousands simultaneous HTTP
connections, remotely and at the data center.
Improved performance by building optimized and patched Linux kernels and daemons
with CPU optimizations to provide functionality not available in stock kernels
and software.
Decreased downtimes by participating in disaster recovery planning and reviewing
the backup procedures.
Researched new software and evaluated new hardware prior to using it in
production mode.
Negotiated with vendors to resolve hardware failures or software issues.
September 2001 – March 2004 Systems Administrator and Integrator
"Microway inc" - High-end cluster, server and workstation vendor
Configured and troubleshooted hundreds of Linux clusters, servers and
workstations.
Dramatically reduced the time to create new system disks by implementing new
procedure for drive cloning.
Designed a firewall proxy to allow customers to connect to their clusters
remotely with full root access in isolation from company's networking.
Maintained and supported Linux prototype (master) disks, including security
updates, bug fixes, and feature enhancements.
Performed on-site installations at client sites including MIT, San Jose
University.
June 2000 – June 2001 Technical Support Specialist
"ACTOR" – Internet service provider
Served as the initial point of contact for resolution of connectivity and
interoperability problems for several thousand dial-up users and dozens of LAN
users in heterogeneous, multi-platform environment - mainly FreeBSD, RedHat,
Windows.
Besides technical support, performed many functioning aspects of a systems
administrator. Monitored hardware and software functionality 24/7 to ensure
connectivity and availability.
EDUCATION
September 1994 – July 1998
Degree: Bachelor of Science
College: "Saint-Petersburg engineering school of electronics"
Location: Saint-Petersburg, Russia
CERTIFICATES
April 24, 1997 Specialist of power electro stations (diesel generators).
May 7, 2003 PolyServe technical training.
September 17, 2003 Master's Level of Linux Administration with a score of 4.31
(Higher than 97% of participants)
TECHNICAL SKILLS
Operating systems:
Linux: Gentoo, RedHat, Suse, Debian, Ubuntu. *nix: FreeBSD, OpenBSD, BSDi, Mac
OS, SUN Solaris, HP-UX. Windows: 2000, 2003
Networking and services, keywords:
Documentation: wiki, mediawiki, Jira, Confluence. Virtualization: VMWare, QEMU
(KVM), Xen Web servers: Apache Tomcat. Proxy servers: Squid. FTP servers:
Proftpd, Sftpd, ftpd, TFTP. DNS: bind or named. Firewall configuration: NAT,
Masquerade, connection tracking, iptables, ipfw, Cisco and F5 BigIP rules VPN:
OpenVPN, Cisco VPN Mail SMTP: Sendmail, Postfix+sasl, Qmail. POP3/IMAP: qpopper,
pop3d, courier. Security: PAM, PKI, PGP, GPG, Snort, Wireshark, Nessus, nmap,
LIDS, SSH, SSL, TLS, TCP Wrappers, dsniff, tcpdump, portsentry, chkrootkit,
Tripwire, Antivirus software for mail servers, SPAM filtering by means of DNS
blacklists, custom rules, SPF, Spamassassin, domain keys. Batch OS installation,
automation: Kick Start, AutoYast, cfengine. DHCP, LDAP. SQL: MySQL, Postgres,
Oracle. Monitoring and alerting: Nagios, Ganglia, MRTG, SNMP. Database
replication. Scalability planning. Disaster recovery. Load balancing. Diskless
boot. Channel bonding, network teaming. VLAN. CVS, SVN (Subversion), SAN, NAS,
NFS, CIFS, NTP. rdist, rsync.
Scripting:
Bash, Perl, PHP, CGI, HTML, expect and other.
Hardware:
IBM PC compatibles (Various vendors, eg: Dell, IBM), Alpha (UP 2000, DP 2000),
Apple Macintosh, Opteron, Itanium. Software and hardware RAIDs (Adaptec, 3Ware,
Promise). Storcase disk enclosures. Network switches, routers (3com, Cisco,
Dlink, HP, Linksys, Netgear). Modems (3com, USR Robotics, DOCSIS). Tape libraries
(DLT). UPS (APC, Tripplite), Network Appliance SAN, KVM over IP, IPMI, iSCSI.
Cyclades TS3000 Terminal Server, PIX 515E, Foundry load balancers, F5 bigip,
perle terminal servers, NetApp filers.
NONTECHNICAL SKILLS AND TRAITS
Integrity, ethics, organizational, interpersonal, cooperation, initiative,
reliability, time management, task prioritization, goal and customer oriented,
persistent, doer attitude, meticulous, quick learner.
PS: References, certificates and diploma are furnished upon request.
|
