Senior Informix DBA (Database Administrator)

Role: Senior Informix DBA (Database Administrator)

Location Bethesda, MD 20814 - Hybrid (3 days onsite)

Experience: 12+ Years

Top Skills:

1. Informix DBA

2. Advanced SQL knowledge (Informix SQL extensions)

3. Knowledge of high-availability solutions such as Informix High Availability Data Replication (HDR)

Job Summary:

We are looking for a Senior Informix DBA to join their engineering team. The ideal candidate will possess deep expertise in managing, administering, and optimizing Informix databases in a high-performance environment. As a Senior Informix DBA, you will be responsible for ensuring the availability, reliability, and security of our Informix database systems while providing leadership in database management and strategic planning.

Key Responsibilities:

1. Database Administration:

Configure, and maintain Informix database systems.

Manage day-to-day operations, including backups, restores, and troubleshooting.

Perform routine database performance tuning and optimization to ensure high availability and performance.

Monitor and maintain database health, ensuring high uptime and minimal disruption.

2. Performance Tuning and Optimization:

Analyze and resolve complex database performance issues, including indexing, queries, and locking.

Work with development teams to optimize queries and database design for performance.

Use diagnostic tools and techniques to identify and resolve performance bottlenecks.

3. Database Security:

Implement and enforce database security policies and procedures.

Manage user access, roles, and permissions to ensure proper database security and compliance.

Regularly monitor and audit database security practices.

4. Backup and Recovery:

Design and implement robust backup and disaster recovery strategies.

Perform regular testing of backup and recovery procedures to ensure business continuity.

Provide guidance for data replication, high availability, and fault tolerance configurations.

5. Upgrades and Patches:

Plan and execute Informix database upgrades and patching.

Ensure compatibility and stability after updates and apply fixes as needed.

6. Capacity Planning:

Analyze and forecast database storage and capacity needs.

Implement proactive measures to ensure sufficient database resources as business needs grow.

7. Documentation and Reporting:

Create and maintain detailed documentation of database configurations, procedures, and recovery plans.

Prepare regular reports on database performance, health, and security status.

Qualifications:

Education: Bachelor s degree in Computer Science, Information Technology, or a related field (or equivalent experience).

Experience:

10+ years of experience as a DBA, with at least 5 years of hands-on experience working specifically with Informix databases (IDS).

Experience with database migrations, upgrades, and multi-platform database environments.

Strong experience with database security, backup, and recovery best practices.

Experience with performance tuning, query optimization, and advanced database administration tasks.

Expertise in Informix database architecture, troubleshooting, and performance tuning.

Advanced knowledge of SQL, and Informix SQL extensions.

Familiarity with database monitoring tools and diagnostic utilities.

Knowledge of high-availability solutions such as Informix High Availability Data Replication (HDR).

Good to have:

Experience with scripting languages (Shell, Python, or similar) for automation and task management.