• SAN network equipment performance tuning and troubleshooting, bottlenecks and slow drain detection, overall monitoring and maintenance.• Storage and backup systems configuration, maintenance, update/upgrade, proactive and reactive performance analysis, storage data replication/migration (no downtime, no performance degradation, 100% service availability), data tape restore on loss.• Technical writing, preparation of action plans and implementation plans.• Communication with… Show more • SAN network equipment performance tuning and troubleshooting, bottlenecks and slow drain detection, overall monitoring and maintenance.• Storage and backup systems configuration, maintenance, update/upgrade, proactive and reactive performance analysis, storage data replication/migration (no downtime, no performance degradation, 100% service availability), data tape restore on loss.• Technical writing, preparation of action plans and implementation plans.• Communication with vendors, hardware & technologies testing & implementing• ITIL oriented approach Show less

• Billing systems infrastructure management (hardware and OS level, 300+ systems).• Planning, controlling and coordination of team members’ jobs, projects, tasks.• Maintenance proactive works planning and scheduling in accordance to related and dependent systems possible time windows.• Detection and investigation of the cause of failure, finding solutions or workarounds, determining the applicability of solutions.• Technical writing, preparation of action plans and… Show more • Billing systems infrastructure management (hardware and OS level, 300+ systems).• Planning, controlling and coordination of team members’ jobs, projects, tasks.• Maintenance proactive works planning and scheduling in accordance to related and dependent systems possible time windows.• Detection and investigation of the cause of failure, finding solutions or workarounds, determining the applicability of solutions.• Technical writing, preparation of action plans and implementation plans.• Communication with vendors, hardware & technologies testing & implementingTop projects activity: • Billing software migration from NGS billing (http://www.sysdate.com/) to OPSC Classic billing (http://www.orga-systems.com) with all related applications and platforms (vouchers, mediation, reporting, IN platforms, media service gateways, etc) – successfully done.• Support for billing software migration to OPSC Gold billing (real-time charge rating for all subscribers, both pre-paid and contract ones) - successfully done.• Support for billing migration from Oracle Sun infrastructure to HP BL servers ( SunFire e25k to BL890i2) – planning resourses, preparation installation, performance tuning – successfully done.• Multiple production data migration projects (between servers, storages, sites) with or without downtime (depends on systems).• Business Continuity project – creation of reserve site for critical services in Dnepropetrovsk city, once-month functional tests perform. Time to restore services functionality in urgent cases – 2 hours.• Billing infrastructure planning for BeST company (Minsk, Belarus, http://www.life.com.by) – planning of deployment of similar to Astelit LCC insrastructure for OPSC billing systems, hardware and software installation onsite and remotely, project successfully finished.• PCI DSS certified payment gateway oplata.life.ua - secure and high availability service planning and implementation, project successfully launched. Show less

• Hardware installation of servers – preliminary infrastructure preparation (Rack space planning, AC, LAN and FC links preparation).• Software installation in accordance to service owners requests – HP-UX OS, Solaris OS, Linux family OS, Windows OS• Clustering solutions installation and configuration – HP Service Guard, Oracle Sun Cluster, RedHat Cluster Suite, 3rd party software.• Hardware and Software maintenance and upgrade works.• 24x7x365 support for hardware (200+… Show more • Hardware installation of servers – preliminary infrastructure preparation (Rack space planning, AC, LAN and FC links preparation).• Software installation in accordance to service owners requests – HP-UX OS, Solaris OS, Linux family OS, Windows OS• Clustering solutions installation and configuration – HP Service Guard, Oracle Sun Cluster, RedHat Cluster Suite, 3rd party software.• Hardware and Software maintenance and upgrade works.• 24x7x365 support for hardware (200+ systems)Hardware and software expertise:Hewlett-Packard:• RP series PA-RISC architecture servers (RP3400, RP4440)• DL series x86 architecture servers (ProLiant DL100, DL300, DL500 series, gen 3-8)• RX series Itanium architecture servers (Integrity RX2000, RX6000 series)• Blade servers solutions – x86 architecture (BL400, BL600 series) and Itanium architecture (BL800 series – Itanium, Itanium i2, Itanium i4 generation)• Storages and backups – EVA5000, EVA8000 mid-range storage systems; XP12k, XP24k high-end storage systems; HP StorageWorks MSL 6000 Tape LibraryOracle Sun:• SunFire SPARC mid-range servers (v200, v400 series)• SunFire SPARC high-end servers (E20k, E25k) • SPARC T4-2, T4-4 servers, Netra T-series servers• x86 T5000 series servers• Exadata X3-2 OS supportHP-UX 11.11, 11.23, 11.31, HP Service Guard clustering software (installation, configuration, support & troubleshooting, update, upgrade), HP SIM, HP OpenView, HP Service Manager (usage, CMDB fill and update), VxVM, LVM, HP Data Protector;Solaris 9, Solaris 10, Sun Cluster 3.x-5.x, VxVM, VXFS, UFS, ZFS (installation, configuration, support & troubleshooting, update, upgrade);VMware solutions (vCentre, ESX servers, virtual machines creation, migration, cloning, tuning)SAN related works – planning infrastructure, zoning, device presentation, configuration, tuning (due to vendor specific requirements), tape backups.Red Hat Certified System Administrator. Show less

• Call-desk support (dial-up, ADSL and mail clients) • Development of software for availability and performance control;• Monitoring, break & fix operations