Independent Contractor Resume Vienna, VA - Hire IT People

SUMMARY:

Accomplished and resourceful professional with 25+ years of experience in Oracle database engineering, administration, design, and development; three years in Big Data technology.

TECHNICAL SKILLS AND EXPERTISE:

Highly proficient in database clustering
Oracle SPARC SuperCluster T4 - 4 and Exadata Database Machine
Oracle Real Application Cluster (12c, 11g, 10g, 9i)
Hadoop Clusters (Cloudera Distribution for Hadoop ( Confidential ) 4.x, 5.x)
Extensive experience in database installation, upgrade, and migration
Oracle database upgrade and patching with near zero downtime
Data center relocation and technology refresh of database server
Expert at troubleshooting and performance tuning
Investigation of system resource contention
Diagnostics of I/O and network bottlenecks
Proactive database configuration and optimization to eliminate performance risk
Technical excellence in high availability solutions
Oracle Data Guard, backup and disaster recovery

PROFESSIONAL EXPERIENCE:

Independent Contractor

Confidential, Vienna, VA

Responsibilities:

Responsible for upgrading and patching 12c RAC databases on Oracle engineered systems (Supercluster and Exadata). Implemented a rolling upgrade approach using (transient) logical standby to achieve near zero downtime for 12.2 RAC upgrade.
Manage databases in production, QA, and development environments. The case management database is over 20 terabytes.

Confidential, McLean/Vienna, VA

Database engineer

Responsibilities:

Responsible for a big data analytics project including hardware/software selection, implementation of three 13-node Hadoop clusters.
Provided engineering support to data scientists including Hive, Impala, Ozzie, Sqoop, Spark, and Hue.
Implemented Hadoop Security using Cloudera Manager.
Installed and upgraded Cloudera Manager and Confidential .
Led a technology-refresh project that upgraded all environments to Oracle 12c, Linux 6, newer Dell bare metal machines, and jumbo frames on network interface 10GbE.
Developed silent install scripts and step-by-step instructions for database administrators to install, configure, patch, and upgrade Oracle RAC database to 12c.
Integrated high availability best practices into every aspect of system architecture to avoid single point of failure including fully redundant network switches and bonding network interfaces.
Relocated all Oracle database servers to a new data center using Oracle Data Guard and NetApp SnapMirror to minimize the down time.
Measured and established a network performance baseline including TCP and UDP for Oracle RAC interconnect and storage network.
Responsible for migrating all Oracle databases from Sun SPARC to Linux using Transportable Tablespaces.
Conducted research and development of running Oracle RAC in virtualization including Citrix Xen, Oracle VM VirtualBox, and VMware. Also evaluated shared storage options when installing Oracle RAC, including NFS, iSCSI/ASM, and OCFS2.

Confidential, Bethesda, MD

Database Administrator

Responsibilities:

Senior member of the Confidential DBA team administering Oracle Production and Test databases configured with RAC on Sun E15K and EMC SAN for Confidential and Transportation Security Administration ( Confidential ).
Deployed Oracle 11i CRM, Portal, HTML DB, and J2EE applications on Oracle 10g AS.
Achieved data import from the staging server to Production without disrupting the application workload using Oracle transportable tablespace, during a major migration of Oracle 11i CRM from 11.5.8 to 11.5.10.Created a Logical Standby database for reporting of Confidential Online Training Center (OLC) application to reduce the primary database workload.
Seamlessly migrated 30 airports’ staff scheduling data into Confidential ’s central hosting database.

Oracle DBA Instructor

Confidential, Woodbridge, VA

Responsibilities:

Taught database administration classes in Oracle Professional Certificates Program for 8 years.
Delivered lectures and provided hands-on lab exercises, enabling students to pass Confidential exams.

We provide IT Staff Augmentation Services!

Independent Contractor Resume

Vienna, VA

We'd love your feedback!

Resume Categories

Client Services

Job Seekers

Visa Sponsorship