freiberufler Oracle Database Administrator auf freelance.de

Oracle Database Administrator

offline
  • 100€/Stunde
  • 8045 Zürich
  • Nähe des Wohnortes
  • ro  |  en  |  fr
  • 20.08.2021

Kurzvorstellung

I am an Oracle Database Administrator with 5 years of experience in top tier companies and banks. I have performed various activities, from installing, patching, upgrading databases to SQL performance tuning.

Qualifikationen

  • Apache Hadoop
  • Big Data
  • Cloudera
  • Microsoft SQL-Server (MS SQL)
  • Oracle Data Guard
  • Oracle Database
  • PostgreSQL
  • SQL

Projekt‐ & Berufserfahrung

Oracle L2 DBA (Festanstellung)
Cognizant GmbH, Zurich
5/2021 – 6/2021 (2 Monate)
IT & Entwicklung
Tätigkeitszeitraum

5/2021 – 6/2021

Tätigkeitsbeschreibung

Worked as an L2 Oracle DBA for a major client in the banking sector, ensuring availability for over 5000 databases and performing activities such as backup/restore, database migrations and performance tuning

Eingesetzte Qualifikationen

Oracle Data Guard, Oracle Database, SQL

IT Application Expert - Senior Database Administrator (Festanstellung)
Raiffeisen Bank, Bucharest
8/2019 – 4/2021 (1 Jahr, 9 Monate)
IT & Entwicklung
Tätigkeitszeitraum

8/2019 – 4/2021

Tätigkeitsbeschreibung

Oracle
• Administered and configured High Availability solutions such as Oracle RAC and Data Guard
• Planned and executed DB/GI upgrades, patches installation and database migrations
• Worked with RMAN by performing restore and recovery activities and configured backup scripts
• Worked with ASM storage (migrated disks from one technology to another and investigated disk issues)
• Performed SQL query optimization and performance tuning and migrated data with Data Pump
• Worked with Oracle Enterprise Manager 13c (OEM 13.4 installation and agent deployment on all hosts)
• Coordinated and designed the automation initiative for recurring DBA tasks (e.g. add space)
• Worked with Amazon RDS for Oracle (db.m5.large/db.m5.xlarge)
Microsoft SQL Server
• Executed administrative tasks (e.g. creating databases, schemas, logins, backups/restores)
• Migrated databases from Microsoft SQL Server to PostgreSQL
• Migrated databases from Oracle to Microsoft SQL Server
PostgreSQL
• Designed the PostgreSQL environment, installed and configured PostgreSQL 11
• Created, administered and ensured availability of all PostgreSQL databases
• Migrated databases from Oracle to PostgreSQL

Eingesetzte Qualifikationen

Microsoft SQL-Server (MS SQL), Oracle Data Guard, Oracle Database, PostgreSQL, SQL

Oracle Database Administrator
Vodafone, Bucharest
6/2016 – 8/2019 (3 Jahre, 3 Monate)
IT & Entwicklung
Tätigkeitszeitraum

6/2016 – 8/2019

Tätigkeitsbeschreibung

• Ensured availability for over 4000 databases by solving critical and medium level incidents
• Worked with Oracle RAC, Data Guard, Oracle GoldenGate, ASM storage
• Collaborated with multiple teams (e.g. UNIX, Network, Storage, Application Support)

Eingesetzte Qualifikationen

Oracle Data Guard, Oracle Database

Über mich

I consider myself as a team player, being able to work in a group as well as individually. Also I am interested in new technologies, able to work under pressure and enjoy new challenges.

Weitere Kenntnisse

Database Administrator with full experience in Oracle Databases (install, patch, upgrade configure, performance tuning), data migration, PostgreSQL and Microsoft SQL server. Brief experience in Big Data technologies such as Cloudera platform ( Hadoop, Hive, Spark, Sqoop, Impala, Hbase, HDFS etc.)

Persönliche Daten

Sprache
  • Rumänisch (Muttersprache)
  • Englisch (Fließend)
  • Französisch (Grundkenntnisse)
Reisebereitschaft
Nähe des Wohnortes
Arbeitserlaubnis
  • Europäische Union
  • Schweiz
Home-Office
bevorzugt
Profilaufrufe
373
Alter
31
Berufserfahrung
7 Jahre und 8 Monate (seit 07/2016)

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