Chirculescu Horia's Linkedin Analytics

Experience by domains: Management - 13 years IT Hardware - 22 years Consulting - 13 years Sales - 13 years Telecom - 22 years ORACLE DBA - 10 years Installed PA-RISC dual-core processor on HP Superdome 9000 RP-3440-4. Optimized ORACLE on HP-UX backup solution (making daily backup time dropped from 10-12 hours to 6, and the Oracle instance /application offline timeout was reduced from 10 hours to under 2h). Oracle related tools: Toad, Spotlight HP-UX 11.1/11.23 kernel reconfiguration. Unix and Linux scripting. Advanced linux kernel reconfiguration/optimizing kernel memory. My Linux kernel experience started with version 0.99. Specialties: VPN Implementation on Linux (Slackware / Redhat/ Oracle) over existing Internet connections. APC power management (on-site installation / configuration hardware and software under Windows, HP-UX or Linux), Experience with Alvarion / Motorola hardware/software Advanced knowledge network equipment Cisco / HP / NoName .... Advanced network security tasks (firewalls, virus defense) Advanced Internet / Intranet protocols knowledge. good implementation skills (DNS, sendmail, pop3, http(s), ftp, Cisco VoIP) Experience with EMC VNXe3200 storage configuration for ESXi hosts (10G iSCSI - 2 paths). Installation and management of 4 VMware ESXi bare metal hypervisors running more than 50 virtual machines having enterprise roles (Active Directory, linux servers etc...) Advanced implementation skills for enterprise-ready communications suite like Zimbra Collaboration Suite (www.zimbra.com) or Horde Groupware Webmail Edition (https://www.horde.org/apps/webmail) on free OS: Linux Slackware, CentOS or Ubuntu Succesfull Disaster Recovery for Oracle Instance (10gr2) on HP-UX 11.23 after a corruption of the volume (total loss of data) presented to the HP server rp7420.