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Senior Database Administrator

Roles & Responsibilities

  • 7–10 years of database administration experience in Oracle, PostgreSQL, or MS SQL Server with hands-on involvement across at least two platforms, including installation, upgrade, patching, and migrations.
  • Proficiency in backup and recovery operations using platform-specific tools (RMAN, pgBackRest/Barman, SQL Server tools) and in SQL performance tuning and indexing.
  • Expertise with high-availability and disaster recovery technologies (e.g., Oracle RAC/ASM, PostgreSQL replication, Always On) and experience with performance monitoring tools (AWR/ADDM, pgstatstatements, SQL Profiler).
  • Strong collaboration and communication skills with ability to work with cross-functional teams; basic UNIX/Linux or Windows Server administration.

Requirements:

  • Database Administration and Maintenance: Install, configure, upgrade, patch, and refresh database systems (Oracle 10g–19c, PostgreSQL, or MS SQL Server); monitor performance and availability; document policies, procedures, and standards.
  • Backup, Recovery, and Performance Management: Execute backup, restore, and recovery operations using platform tools (RMAN, pgBackRest/Barman, or native SQL Server tools); perform SQL tuning and indexing; utilize performance monitoring tools; maintain standby/HA configurations.
  • Infrastructure Support and Collaboration: Administer platform-specific technologies (Oracle ASM/RAC, PostgreSQL replication, or SQL Server Always On); perform basic UNIX/Linux or Windows Server administration; coordinate with system administrators, network teams, and backup teams; support clinical research applications.
  • System Integration and Technical Support: Collaborate with IT teams to ensure seamless integration of database systems with enterprise applications; provide technical input for system implementations and migrations; maintain security and access controls; support application teams with connectivity and performance; ensure availability and compliance.

Job description

When our values align, there's no limit to what we can achieve.
 
At Parexel, we all share the same goal - to improve the world's health. From clinical trials to regulatory, consulting, and market access, every clinical development solution we provide is underpinned by something special - a deep conviction in what we do.

Each of us, no matter what we do at Parexel, contributes to the development of a therapy that ultimately will benefit a patient. We take our work personally, we do it with empathy and we're committed to making a difference.

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 any two 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 in any two 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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