Athumani Mkanda

Oracle DBA (Contractor) - Ishglo-One Corp

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Over 4 years of Oracle DBA experience with ORACLE 10g, 11g, on UNIX/Sun Solaris/AIX and Windows.

Strong technical and analytical skills with excellent interpersonal and communications abilities.

Proficient in Installation, Troubleshoot, Maintenance and technical Support for Oracle (10g and 11g) Databases, Grid Control and OEM. Highly skilled in Oracle DBA - Installation, Administration, creating Backup & Recovery Strategy Implementation, Performance Monitoring/Tuning and Database Security for Databases having more than 300+ users.

Excellent writing and organizational skills.

WORK EXPERIENCE

Oracle DBA (Contractor)

Ishglo-One Corp - Frederick, MD - May 2012 to Present

Client: CarMax Inc.

Responsibilities:

Performs regular health checkup of production and test databases and performance of Oracle application system. Installed Oracle 10g and 11g on Unix, Linux and Windows, applied patches; upgrade Oracle server and application tools, maintained the software at the latest stable release level and tested and verified the installed components.

Apply Oracle Critical Patch Update (CPU) patches on our databases every quarter.

Installed and configured RMAN to backup production databases.

Performs backup and recovery using RMAN, Flashback Technology and user managed backups.

Proactive Database tuning to keep hit ratios at a minimum standard guideline using STATSPACK and AWR reports.

Performs Database tuning such as memory tuning, Application tuning using tools like TKPROF, EXPLAIN PLAN, PLAN TABLE, HINTS, ADDM, and SQL/Session TRACE. Performs database physical and logical design and procedures for Production, Development, Q&A, Test and Training servers. Supporting standby database and performs failover and switchover from primary to standby database when needed using TAF. Utilized Oracle 10g Data Pump IMPORT and EXPORT utilities to implement hot standby database (Data Guard) for production database setup and successfully performed active failover in the event of production failure.

Creating and managing LOBs. Creating Regular views, sequences, partitions, and refreshing Materialized Views as needed by the development team. On-call database support.

Performed database design tasks such as enforcing referential integrity standards; create database tables and table dependencies such as indexes, stored procedures, functions, packages, triggers, views, materialized views etc.

Used Oracle Transparent Data Encryption to encrypt tables and Tablespaces that contains PII data.

Created databases and developed procedure to migrate and refresh databases between the development and production environments. Upgraded several databases from Oracle 10.2.0.1 to 10.2.0.2-11.2.0.4.

Performed various DBA Maintenance task such as rebuilding indexes, validating constraints, reorganizing tables using the move command. Setup technical procedures and administrative policies for production, test and development databases physical design, administration, maintenance, tuning, backup and recovery. Allocated system storage and plan future storage requirements for the database systems.

Installed and verified the database software on the database server. Planned, prepared and scheduled software installation.