Oracle Database Administrator L3 – Mexico

We are seeking an experienced Oracle Database Administrator (L3) to support a critical Citibank environment. The ideal candidate will have deep expertise in high‑availability architectures, performance optimization, troubleshooting, and advanced Oracle database operations in mission‑critical settings.

This role requires strong ownership, technical leadership, and the ability to manage complex database infrastructures with minimal supervision.

Key Responsibilities

• Manage and assume full ownership of Oracle databases, providing Level 3 DBA support for designated servers.

• Install, configure, and maintain Oracle Real Application Cluster (RAC) environments.

• Troubleshoot and resolve issues related to RAC and ASM.

• Perform database builds, upgrades, patching, and migration activities.

• Lead performance improvement initiatives and ensure long‑term database stability.

• Configure and manage Oracle Data Guard, resolving data synchronization problems.

• Develop and implement strong backup and recovery strategies, including advanced RMAN optimization.

• Enforce and maintain database standards and best practices across environments.

Technical Requirements

• Extensive experience as an Oracle DBA in high‑availability and enterprise environments.

• Strong hands‑on expertise in Oracle RAC, ASM, Data Guard, RMAN, patching, migrations, and performance tuning.

• Proven ability to troubleshoot complex database issues in production environments.

Professional Skills

• Strong analytical and problem‑solving skills.

• Ability to work independently under demanding conditions.

• Clear communication skills for collaboration with technical and non‑technical teams.

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Do

- **Ensure timely response of all the tickets raised by the client end user**

- Service requests solutioning by maintaining quality parameters

- Act as a custodian of client’s network/ server/ system/ storage/ platform/ infrastructure and other equipment’s to keep track of each of their proper functioning and upkeep

- Keep a check on the number of tickets raised (dial home/ email/ chat/ IMS), ensuring right solutioning as per the defined resolution timeframe

- Perform root cause analysis of the tickets raised and create an action plan to resolve the problem to ensure right client satisfaction

- Provide an acceptance and immediate resolution to the high priority tickets/ service

- Installing and configuring software/ hardware requirements based on service requests

- 100% adherence to timeliness as per the priority of each issue, to manage client expectations and ensure zero escalations

- Provide application/ user access as per client requirements and requests to ensure timely solutioning

- Track all the tickets from acceptance to resolution stage as per the resolution time defined by the customer

- Maintain timely backup of important data/ logs and management resources to ensure the solution is of acceptable quality to maintain client satisfaction

- Coordinate with on-site team for complex problem resolution and ensure timely client servicing

- Review the log which Chat BOTS gather and ensure all the service requests/ issues are resolved in a timely manner

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Deliver

		No
		Performance Parameter
		Measure

		1.

		100% adherence to SLA/ timelines

		Multiple cases of red time

		Zero customer escalation

		Client appreciation emails

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