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🧪Data Scientist

Data Base Administrator (ORACLE)

Idtechnologies · Yerevan, Armenia
// classified as
Data Scientist (Modeling, experiments, research.)
posted
1d ago
location
Yerevan, Armenia
languages
python, shell, sql
tools
aws, oracle, postgresql
> stack
pythonshellsqlawsoraclepostgresql
> education
master
> description

Oracle Database Administrator (DBA)

Banking / Fintech

Role Purpose

We are looking for an Oracle DBA to ensure the reliability, security, availability, and performance of mission-critical Oracle database platforms supporting core banking and fintech services.

This role combines hands-on technical leadership with architecture guidance, operational governance, and mentoring within a regulated, high-availability environment. The successful candidate will lead initiatives around zero-data-loss architectures, regulatory compliance, performance optimization, and 24/7 service continuity across large Oracle environments.


Key Responsibilities

Platform Architecture & Strategy

  • Define and drive Oracle database platform standards and long-term strategy across the organization.
  • Design and govern high availability and disaster recovery solutions, including:
    • Oracle Data Guard (Physical and Logical Standby)
    • Active Data Guard
    • Oracle Stream replication
    • OLAP
  • Define RPO/RTO objectives and validate them through regular DR testing.
  • Lead database architecture reviews for new applications and platform changes.
  • Evaluate and implement Oracle database features and platform enhancements.

High Availability & Operational Excellence

  • Administer large-scale 24/7 production environments supporting core banking, payments, trading, AML, and reporting workloads.
  • Lead major upgrades, migrations, patching cycles, and platform modernization initiatives.
  • Manage Oracle Grid Infrastructure, ASM, and Data Guard environments.
  • Deliver near-zero downtime deployment and upgrade strategies where feasible.
  • Coordinate and lead root cause analysis for critical incidents and performance issues.

Performance & Capacity Management

  • Proactively monitor and optimize database performance at scale.
  • Lead performance tuning initiatives involving:
    • SQL execution plans
    • AWR/ASH analysis
    • Wait event analysis
    • Optimizer statistics
    • Indexing and partitioning strategies
  • Diagnose and resolve complex locking, contention, memory, and I/O bottlenecks.
  • Perform capacity planning and storage forecasting to support business growth.

Security, Compliance & Risk Management

  • Design and implement database security controls, including:
    • Unified/Legacy Auditing
    • Least-privilege access models
  • Support audit and regulatory requirements (PCI-DSS and local banking regulations).
  • Enforce segregation of duties and controlled access processes.
  • Ensure database hardening and vulnerability remediation in accordance with security standards.

Automation & Engineering Practices

  • Standardize operational automation using:
    • PL/SQL
    • Shell scripting
    • Python
    • Oracle Enterprise Manager (OEM)
  • Develop reusable frameworks for:
    • Backup and recovery
    • Health monitoring
    • Capacity management
    • Compliance validation
  • Integrate database workflows into CI/CD and infrastructure automation pipelines.
  • Automate routine operational and maintenance activities wherever possible.

Leadership & Governance

  • Mentor DBAs and review technical designs and implementation plans.
  • Define operational KPIs, SLAs, and monitoring standards.
  • Maintain runbooks, DR procedures, architecture documentation, and operational standards.
  • Serve as an escalation point for major production incidents.
  • Collaborate with infrastructure, security, development, and architecture teams.


Required Experience

Technical

  • 7+ years administering Oracle Database in enterprise or financial environments.
  • Deep expertise in:
    • Oracle Database internals
    • Oracle Data Guard and disaster recovery
    • Performance tuning and troubleshooting in large-scale environments
  • Hands-on experience with:
    • ASM, and Grid Infrastructure
    • Oracle Data Guard and Active Data Guard
    • RMAN backup and recovery
    • Oracle Enterprise Manager (OEM)
    • Database patching and upgrades 
  • Strong SQL, PL/SQL, and scripting skills (Shell, Python, or similar).
  • Experience supporting Oracle 12c and newer versions.

Industry

  • Experience in banking, fintech, trading, or payment systems.
  • Strong understanding of regulatory controls and audit readiness.
  • Proven experience supporting mission-critical 24/7 high-availability environments.

Nice to Have

  • Exposure to cloud platforms such as Oracle Cloud Infrastructure (OCI), AWS, or Azure.
  • Experience with PostgreSQL or Microsoft SQL Server in mixed database environments.
  • Oracle certifications such as:
    • Oracle Certified Professional (OCP)
    • Oracle Certified Master (OCM)
    • Oracle RAC and Grid Infrastructure certifications


What Success Looks Like

  • No unplanned database service interruptions.
  • Recovery objectives consistently achieved and validated.
  • Clean audit outcomes with no major findings.
  • Performance SLAs consistently met.
  • A standardized, automated, secure, and scalable Oracle database platform.
  • High availability and disaster recovery capabilities validated through regular testing.
  • Continuous improvement of database operations, automation, and governance practices.

 

Apply at Idtechnologies →