SUMMARY:

• 5 years of experience as an Oracle Database Administrator and Oracle Weblogic Administrator.
• 8 years of experience as a Linux System Administrator.
• Oracle rdbms 9i/10g/11g skills: Installation, Administration, Monitoring, Performance Tuning, Data Replication, Encryption, Compression, Partitioning, Database Backup and Recovery, RAC.
• Oracle Weblogic 11g/12c skills: Installation, Deploying of Applications, Clusters, Monitoring, Packing/Unpacking domains, wlst.
• Extensive experience in working directly with application developers to help them improve performance or find a proper solution to achieve the goal.
• Extensive experience in Oracle performance tuning.
• Experience of working with XEN and XenCenter.
• Extensive experience in working with Red Hat Cluster Suite High Availability Solution.
• DevOps experience (1 year): Chef, git, svn

TECHNICAL SKILLS:

DATABASES: Oracle 9i/10g/11g administration, installation, RMAN, RAC, Data Guard, Active Data Guard, Advanced Security, Advanced compression, Partitioning, expdp/impdp, Data Pump, database upgrades, performance tuning, AWR, ADDM, SQLTRPT, statspack

Basic mysql knowledge: Create databases, backup/restore, DML/DDL

Basic mongodb knowledge: replica set, backup/restore, queries

OS: Linux, IBM AIX, HP - UX, Bash shell scripting, configure boot loaders (Grub, Grub2, LiLo), creating and managing file systems and logical volumes(LVM), sftp, nfs, OpenLDAP, Apache httpd, ACL, linux user quotas, user accounts management, linux software raid, Red Hat Cluster Suite, compile software from source, PXE boot server, SELinux, GPG encryption, LUKS file system encryption, vi, sed

PERFORMANCE AND MONITORING TOOLS: Zabbix, Splunk, Nmon, SAR, datadog

HIGH AVAILABILITY CLUSTER SOLUTIONS: Red Hat Cluster Suite, HP Service Guard

Oracle Weblogic: install, deploy applications, configure datasources, create/pack/unpack domains, traffic encryption, configure Apache to act as proxy for WLS with SSL, apps and MDS management, performance tuning, Weblogic cluster, IBM Websphere Application Server install, apply patches, deploy applications, scripting (jython)

Citrix XEN: Install and configure Server, SR, VMs. VM management, snapshots, backup strategy, Amazon EC2 and S3

PROFESSIONAL EXPERIENCE:

Confidential, Orlando, FL

Cloud solutions engineer

Responsibilities:

• Troubleshooting in Linux environment (tcpdump, strace, curl, iptables, shell scripting, java related issues)
• Oracle rdbms administration (installation, patching, grid patching/upgrade, performance tuning, data guard, streams, etc)
• Oracle weblogic (installation, patching, create domains, deploy apps)
• Support company s product in customer environment

Confidential, Orlando, FL

Linux System Administrator

Responsibilities:

• Chef (improve/change cookbooks, recipes)
• Build linux servers
• Deploy Splunk for entire infrastructure
• Manage AIX lpars: create lpars, manage resources, backup/restore
• Migrate Oracle Databases and applications from AIX to Linux
• Oracle Database Performance Tuning
• Implement automation solution (Chef, rundeck)

Confidential, Orlando, FL

Linux Systems Engineer (DevOps)

Responsibilities:

• Chef (improve/change cookbooks, recipes)
• Deploy new code and apps releases on production environment
• Build new environments (clusters for company's virtual call center solution)
• Databases: mongodb, mysql - daily, routine tasks
• Customer-obsessed: ticket resolution within SLA, often during the weekends and after hours
• Troubleshooting (and sometimes reverse engineering)

Confidential

Oracle DBA/Linux System Administrator

Responsibilities:

• Databases performance tuning
• Backup strategy (RMAN, shell scripting)
• Deploy new code and apps releases on production environment
• Cross - platform database migration (AIX to Linux) via DB LINKs using Oracle Data Pump
• Database performance monitoring
• Maintain and control production Oracle RAC database and Oracle Weblogic clusters
• Fresh installations of Oracle Enterprise Linux, Oracle Weblogic and Oracle RDBMS 11gR2 for new test and production environments
• Advanced compression, including compression and deduplication for LOBs
• Maintain several Data Guard environments
• Integration with MSQL databases via Oracle Gateway
• Help developers to improve performance, etc

Confidential

Oracle DBA/UNIX System Administrator

Responsibilities:

• Oracle RDBMS 9i - /10g/11g upgrades
• Configure Oracle data replication (Data Guard)
• Configure data replication using Oracle Streams technology
• Create new databases
• Export and import of data using exp/imp utilities and Oracle DataPump
• Backup strategy using RMAN, including HP Data Protector
• Use Oracle Advanced Security option to encrypt tablespaces
• Configured DR site using Oracle Data Guard, Red Hat Cluster Suite and custom shell scripting
• Performance tuning using (AWR, statspack, ADDM, sqltrpt, nmon, SAR)
• Oracle RAC databases installation on Linux, AIX, HP-UX
• Oracle Weblogic 11g installation, configuration, deploying applications, clustering
• Configured traffic and data encryption in accordance with PCI DSS, including SSL for apache and Weblogic
• Configured Apache to act as proxy for Weblogic using mod wl
• Red Hat Linux and Oracle Linux installation and configuration
• Xen server installation
• Xen virtual machines creation, cloning and management
• Prepare English documentation for customers
• Work on customer site
• Remote customer support
• Participated in different projects across the world.

Confidential

Software Engineer

Responsibilities:

• Servers and Databases Monitoring
• Solve various system problems in Red Hat Enterprise Linux, HP - UX and Oracle rdbms remotely for customers in EU
• Regularly perform routine tests of the systems and create various reports
• Advise customers by email and phone
• Work with Remedy ticket system and resolve incidents within SLA
• Simplified and automated some routine tasks by my own initiative

Confidential

Software Engineer

Responsibilities:

• Customize all components of Linux
• Users support
• Configure and support servers running debian 5
• Build custom Linux - based distributive sets for intel and mips hardware platforms
• Prepare documentation
• Shell scripting for different purposes
• Backups of virtual machines and bare-metal hosts
• Troubleshoot system failures
• Create configurations to work with multiple displays including using of xdmx
• Configure PXE server and hosts
• Configure LiLo and GRUB boot loaders
• Setup NFS, sftp, Samba servers