Senior Database Administrator - Oracle RDBMS at Parexel

Date: 11 hours ago
City: Remote, Remote
Contract type: Full time
Remote
  • Key Accountabilities Database Administration and Maintenance
  • Install, configure, upgrade, and patch supported database systems (Oracle 10g–19c, PostgreSQL, or MS SQL Server)
  • Perform database and schema refresh operations using native tools (e.g., Oracle exp/imp, Expdp/Impdp; pgdump/pgrestore; SQL Server backup/restore)
  • Implement database change orders according to established schedules and procedures
  • Monitor database performance and availability using platform-specific tools (e.g., Oracle Enterprise Manager, pgAdmin, SSMS)
  • Document database policies, procedures, and standards for organizational compliance Backup, Recovery, and Performance Management
  • Execute backup, restore, and recovery operations using RMAN (Oracle), pgBackRest/Barman (PostgreSQL), or native SQL Server tools
  • Perform SQL tuning and indexing strategies to optimize query performance
  • Utilize performance monitoring tools such as AWR/ADDM (Oracle), pgstatstatements (PostgreSQL), or SQL Profiler (SQL Server)
  • Troubleshoot database and performance issues to minimize system downtime
  • Maintain and support standby or high-availability configurations for disaster recovery Infrastructure Support and Collaboration
  • Administer platform-specific technologies such as Oracle ASM/RAC, PostgreSQL replication, or SQL Server Always On Availability Groups
  • Perform basic system administration tasks on UNIX/Linux (Oracle/PostgreSQL) or Windows Server (SQL Server)
  • Coordinate with system administrators, network teams, and backup teams as required
  • Participate in project meetings to provide database perspective and technical input
  • Support clinical research applications through reliable and secure database infrastructure System Integration and Technical Support
  • Collaborate with IT teams to ensure seamless integration of database systems with enterprise applications
  • Provide technical expertise for database-related aspects of system implementations and migrations
  • Maintain database security and access controls in accordance with organizational policies
  • Support application teams with database connectivity and performance issues
  • Ensure database systems meet availability and compliance requirements for clinical research operations

Skills

  • Proficiency in one of the following: Oracle RDBMS (10g–19c), PostgreSQL, or MS SQL Server
  • Experience with monitoring and management tools relevant to the supported platform
  • Knowledge of backup and recovery procedures using platform-specific tools
  • Expertise in SQL tuning, indexing, and performance optimization
  • Familiarity with high-availability and disaster recovery technologies
  • Basic UNIX/Linux or Windows Server administration skills depending on platform
  • Strong analytical and troubleshooting abilities
  • Clear written and verbal communication skills
  • Ability to work collaboratively with cross-functional teams
  • Strong attention to detail and documentation practices
  • Time management and prioritization capabilities
  • Ability to work under pressure during system outages
  • Customer service orientation when supporting internal users

Knowledge and Experience

  • 7–10 years of experience in database administration for one of the following: Oracle, PostgreSQL, or MS SQL Server
  • Experience with installation, upgrade, patching, and migration processes
  • Hands-on experience with backup and recovery operations
  • Demonstrated experience in SQL performance tuning and optimization
  • Experience working in high-availability and disaster recovery environments
  • Knowledge of database refresh and migration procedures
  • Experience coordinating with system administration and network teams
  • Familiarity with operating systems relevant to the supported platform

Education

  • Bachelor’s degree in Computer Science, Information Technology, or related field preferred
  • Relevant certifications such as Oracle Certified Professional (OCP), PostgreSQL certification, or Microsoft SQL Server certifications preferred

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