Database Administrator

Clinisys; Kolkata District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Clinisys is seeking an experienced Oracle DBA & Developer to design, implement, and optimize Oracle database environments across development, testing, and production. You will ensure availability, security, and performance while supporting product development and deployments.

The role blends database administration and PL/SQL development, including script and object design, performance tuning, and release support. Collaboration with multiple teams is essential for robust, scalable solutions.

Qualifications

• Bachelor’s degree or equivalent in computer science, IT, or software engineering.
• 5+ years of Oracle DBA experience.
• 5+ years of Oracle PL/SQL development experience.

Responsibilities

• Install, configure, upgrade, patch, and maintain Oracle database environments.
• Create and configure new databases for development, testing, and production.
• Monitor database health, performance, storage, and availability.
• Manage database security, users, roles, and permissions.
• Perform backup, recovery, and disaster recovery activities.

Skills

Oracle Database Administration

Oracle PL/SQL development

SQL/PLSQL optimisation

RMAN backup and recovery

Oracle RAC/Grid Infrastructure

ASM storage management

Production support experience

Git/Azure DevOps

Education

Bachelor's Degree in Computer Science / IT / Software Engineering

Tools

Git

Azure DevOps

Oracle Enterprise Manager

Job description

Role Summary

We are seeking an experienced Oracle DBA & Developer to design, create, configure, administer, maintain, and optimise Oracle database environments across development, testing, and production systems. The successful candidate will play a key role in ensuring the availability, reliability, security, and performance of business‑critical databases while supporting ongoing product development and customer deployments.

The role requires strong expertise in both Oracle Database Administration and Oracle PL/SQL Development, including the design, development, and maintenance of database objects such as SQL scripts, packages, procedures, functions, views, and triggers. The candidate will be responsible for troubleshooting complex application and database issues, performing root cause analysis, implementing fixes, supporting release deployments, and driving database performance improvements.

The successful candidate will work closely with Development, QA, Support, Infrastructure, and Product Management teams to ensure robust database solutions, efficient release management, and high‑quality application delivery. Experience with Oracle Grid Infrastructure, Oracle RAC, Oracle ASM, database migrations, performance tuning, backup and recovery, and production support is highly desirable.

Clinisys' AI Philosophy

Building an AI-first organisation is central to Clinisys’ purpose and the impact we deliver. As a global provider of intelligent diagnostic informatics solutions, we build AI‑enabled, cloud‑based platforms to enhance diagnostic workflows across healthcare, life sciences, and public health. By applying intelligent technology thoughtfully and responsibly, we help laboratories and testing environments operate more effectively, generate meaningful insights at scale, and ultimately support healthier and safer communities. Operating across more than 30 countries, Clinisys expects all colleagues—regardless of role or function—to work confidently with AI‑enabled tools, apply digital and analytical thinking, and continuously adapt as technologies evolve. We must drive an AI‑first sense of purpose and urgency.

Key Responsibilities

Oracle Database Administration

• Install, configure, upgrade, patch, and maintain Oracle database environments.

• Create and configure new databases for development, testing, and production environments.

• Monitor database health, performance, storage, and availability.

• Manage database security, users, roles, and permissions.

• Perform database backup, recovery, and disaster recovery activities.

• Ensure database environments comply with security and operational standards.

• Support database migrations, upgrades, and environment refresh activities.

• Investigate and resolve database‑related incidents and production issues.

Oracle Database Development

• Design, develop, maintain, and optimise:

  • SQL Scripts

  • PL/SQL Packages

  • Stored Procedures

  • Functions

  • Views

  • Triggers

  • Database Jobs

• Write efficient and scalable SQL queries.

• Perform query analysis and optimisation to improve application performance.

• Review existing database designs and recommend improvements.

• Create deployment scripts and support release activities.

• Ensure database code follows development standards and best practices.

• Oracle backup and recovery using RMAN.

• Oracle Data Pump (Import/Export)

Technical Skills

• Strong Oracle Database Administration experience (Oracle 12c/19c or higher).

• Strong Oracle PL/SQL development experience.

• Expert knowledge of SQL, PL/SQL, Packages, Procedures, Functions, Views, Triggers, Indexes, and Materialised Views.

• Database performance tuning and optimisation.

• Oracle backup and recovery using RMAN.

• Oracle Data Pump (Import/Export).

• Query execution plan analysis and SQL optimisation.

• Experience with database upgrades, migrations, and patching.

• Hands‑on experience installing and configuring Oracle Grid Infrastructure and Oracle Real Application Clusters (RAC) across multi‑node environments.

• Strong knowledge of Oracle ASM (Automatic Storage Management), including creation and administration of ASM disk groups, storage management, and cluster maintenance.

• Experience administering highly available Oracle RAC environments, including node addition/removal, cluster verification, failover testing, and performance monitoring.

• Experience supporting mission‑critical production systems.

• Knowledge of source control systems (Git, Azure DevOps, etc.).

• Experience creating deployment and rollback scripts.

Qualifications

• Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or related discipline.

• 5+ years of Oracle DBA experience.

• 5+ years of Oracle PL/SQL development experience.

• Oracle Certification (preferred).

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications analysing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.