Senior Oracle​/MongoDB Database Administrator; DBA

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The Senior Oracle/Mongo

DB Database Administrator (DBA) is a senior-level technical and administrative role responsible for managing mission-critical database environments. This position will lead the design, capacity planning, installation, configuration, clustering, performance tuning, and monitoring of large-scale Oracle and Mongo

DB deployments.

In addition, the role provides consultative support to development teams on database architecture, design, development best practices, and performance optimization — driving improvements in scalability, reliability, and operational efficiency.

While the primary focus is on Oracle and MongoDB
, experience with SQL Server or cloud-native database technologies (AWS, Azure, GCP, OCI or Atlas) is a plus.

• Design, install, configure, upgrade, and maintain Oracle and Mongo
  
  DB databases across multiple environments.
• Plan, allocate, and manage system storage, ensuring future scalability.
• Create and manage core database objects and structures.
• Implement and maintain database security, user access, and role management.
• Develop and maintain physical data models and enforce database standards.
• Proactively monitor and tune databases for performance, scalability, and reliability.
• Implement robust backup, recovery, and disaster recovery strategies (Oracle RMAN/Data Guard, Mongo
  
  DB replication/backup).
• Implement archiving solutions and lifecycle management for data retention.
• Analyze and document database infrastructure, hardware, and technology requirements.
• Partner with development teams to review code and design for performance, scalability, and alignment with best practices.
• Provide expert-level troubleshooting and root cause analysis for database-related incidents.
• Mentor development and data warehouse teams on advanced SQL, PL/SQL, and Mongo
  
  DB query optimization.
• Continually improve DBA standards, procedures, and automation practices.
• Provide on-call support and occasional travel as required.

Education:

Bachelor's or Master’s degree in Information Systems, Computer Science or a related field.

Experience

• 5+ years of hands‑on Oracle DBA experience in enterprise‑scale environments.
• 5+ years of experience with high availability (Oracle RAC, Data Guard, failover, replication).
• 5+ years of advanced SQL/PLSQL development and performance tuning.
• 5+ years of supporting developers with application design, query tuning, and schema optimization.
• 3+ years of hands‑on Mongo
  
  DB administration experience (replica sets, sharding, backups, monitoring).
• 3+ years of experience with Linux administration (shell scripting, system tuning, automation).
• Experience with automation frameworks (Ansible, Bit Bucket, Terraform, or similar)
• Experience with database monitoring and observability tools (OEM, Solar Winds/DPA, PMM, Data Dog, Grafana)
• Exposure to cloud‑native environments (AWS, Azure, OCI, or GCP)
• Familiarity with Dev Ops/CI/CD pipelines for database changes

Skills

• Deep expertise with Oracle RDBMS internals (RAC, ASM, Data Guard, RMAN).
• Strong knowledge of Mongo
  
  DB internals (replica sets, sharding, Wired Tiger, security).
• Proficiency in SQL and PL/SQL coding and tuning
  .
• Proficiency in Linux system administration (shell scripting, performance tuning).
• Knowledge of networking fundamentals and how they affect distributed databases.
• Strong ability to gather, interpret, and document requirements
  .
• Excellent communication skills: oral, written, and presentation.
• Strong interpersonal and customer service…