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One Mount Group

Times City, 458 Minh Khai, Hà Nội

Company Size : 25-99

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Job Summary

  • 25-99
  • Product
  • Việt Nam

Oracle Database Administrator

One Mount Group

  • Hoàn Kiếm, Hà Nội
  • Negotiable
  •  Full Time
  •  Experienced (Non-Manager)
1
1

  •  Posted:17/11/2025

  • Apply now
Oracle Database Administrator
Apply now
Technical Skill: Oracle , PL/SQL , Python , SQL Tuning , DBA , Linux , Oracle 10G , Shell Script , ETL , MS SQL , Database Replication , Ansible , Golang , Amazon RDS , AWS , HA , OCP , GCP , Performance tuning , OCI

Job description

Overview of job

We are looking for an experienced Oracle Database Administrator (DBA) to manage and optimize our Oracle database infrastructure. This role requires deep expertise in Oracle database administration, performance tuning, high availability configurations, and cloud migrations. You will be responsible for ensuring 24/7 database availability, security, and scalability while supporting business-critical applications and working closely with development teams.

1. RESPONSIBILITIES:

Database Administration & Operations

  • Manage, configure, and maintain Oracle 10g, 11g, 12c, 18c, 19c, 21c, and other enterprise Oracle database versons.
  • Ensure high availability, security, and performance tuning of production and development databases.
  • Monitor database health, troubleshoot issues, and implement proactive solutions to prevent downtime.
  • Manage database backup and recovery strategies, including RMAN, Data Guard, and Flashback technologies.

Performance Tuning & Optimization

  • Optimize SQL queries, indexing strategies, and database parameters to improve system performance.
  • Perform AWR, ASH, and ADDM analysis to diagnose and resolve performance bottlenecks.
  • Implement partitioning, compression, and parallel processing techniques for large datasets.

High Availability & Disaster Recovery

  • Design and implement Oracle Data Guard (Physical & Logical Standby), Oracle RAC (Real Application Clusters), and GoldenGate for high availability and disaster recovery.
  • Develop and test failover and disaster recovery plans to ensure business continuity.

Database Automation & Cloud Migration

  • Automate database tasks using PL/SQL, Shell scripting, Python, or Ansible.
  • Optimize storage, networking, and compute resources for on-premises Oracle deployments.

Security & Compliance

  • Implement database security best practices, including TDE (Transparent Data Encryption), auditing, and access control.
  • Ensure compliance with GDPR, PCI-DSS, and other industry regulations.

Others Role

  • Provide technical guidance to developers on database design, data modeling, and query optimization.
  • Collaborate with infrastructure, DevOps, and application teams to integrate databases into enterprise environments.
  • Document database architecture, configurations, and best practices for internal teams.

3. BENEFITS:

Salary & Allowances

  • 13-month salary with annual performance bonus, project incentives, sales incentives (based on position)
  • Lunch allowance: 730.000 VND/month
  • Special occasion bonus: 3.000.000 - 5.000.000 VND/year
  • Annual leaves: Up to 20 days/year (based on levels)
  • Health: Social insurance, premium health insurance, yearly health check 
  • Laptop, screen and other needed facilities/accounts/tools for work

Career Growth

  • Yearly salary review and promotion.
  • Diverse career path: Management or Expert and functions rotation opportunity.
  • Free learning sources in Udemy, Coursera, O'relly platforms; internal workshop, certification sponsorship.
  • Recognition and awards at team and organizational levels.
  • Grow your career with opportunities across the dynamic ecosystem of Techcombank & Masterise Group.
  • Access special loan offers with competitive interest rates and flexible grace period options tailored to your financial needs.

Working Environment

  • Open & collaborative working space fosters both individual focus and teamwork activities
  • Young, dynamic, and collaborative working atmosphere
  • Unwind zones: gaming, table tennis, yoga, gyms, bath rooms.
  • Personal lockers with QR code access.
  • Quarterly/yearly teambuilding & engaged internal events.

Job Requirement

2. REQUIREMENTS & SKILLS:

  • Bachelor's degree in computer science, information technology, or a related field.
  • 5+ years of hands-on experience in Oracle database administration in enterprise environments (Banks, Telco, Enterprise).
  • Must have: Strong expertise in Oracle 10g, 11g, 12c, 18c, 19c, 21c, Data Guard, RAC, GoldenGate, RMAN, and performance tuning.
  • Ready to go with cloud-based Oracle deployments (OCI, AWS RDS, GCP Cloud SQL for Oracle).
  • Proficiency in SQL tuning, PL/SQL, partitioning, and ETL processes.
  • Familiarity with CDC tools (Oracle GoldenGate, Debezium, or similar).
  • Strong Linux shell scripting, Python, or Ansible skills for automation.
  • Expertise in database replication, HA configurations, and disaster recovery strategies.
  • Having Certifications like Oracle OCP would be a plus

Languages

    • English

    • Speaking: Intermediate - Reading: Intermediate - Writing: Intermediate

Technical Skill

  • Oracle
  • PL/SQL
  • Python
  • SQL Tuning
  • DBA
  • Linux
  • Oracle 10G
  • Shell Script
  • ETL
  • MS SQL
  • Database Replication
  • Ansible
  • Golang
  • Amazon RDS
  • AWS
  • HA
  • OCP
  • GCP
  • Performance tuning
  • OCI

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BUSINESS PROFILE

One Mount Group (1MG) goal is to build Vietnam’s largest-scale technological ecosystem.

1MG was established with the vision of promoting and contributing to the economy’s efficiency, creating a technology infrastructure for Vietnamese businesses to accelerate its value added, providing products to consumers at a more competitive cost of goods sold.

1MG is committed to building a strong and sustainable Vietnamese business, creating a broad playing field to nurture and grow future start-ups. We believe that from our core infrastructure the following “giant” businesses of Vietnam will be generated. The goal of 1MG is to build Vietnam’s largest-scale technological ecosystem with solutions in order to link, optimize and close the gaps of the value chain of focused economic sectors having strong growth in Vietnam.

With a sound financial position and business administration, 1MG has competitive advantages to attract and retain the best Vietnamese talents from all over the world.

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