Senior Oracle Database Administrator

At CodeLink, we work with global clients to build high-impact products, solving complex technical challenges while growing together as a team. We’re now looking for an experienced Senior Oracle Database Administrator to join us and support one of our largest enterprise clients.

This is a critical role for upgrading and maintaining Oracle E-Business Suite and related database systems. You’ll collaborate closely with system administrators, developers, and application teams to ensure high availability, performance, and security of mission-critical systems.

What You’Ll Be Doing

• Lead and support the technical upgrade of Oracle EBS from version 12.1.x to 12.2.x (latest stable release).
• Administer and maintain Oracle databases, ensuring stability, performance, and security.
• Perform cloning, patching, backup and recovery, and schema refreshes.
• Implement and manage Data Guard, RMAN backup strategies, and database restore/recovery.
• Monitor database performance, troubleshoot issues across multiple environments.
• Collaborate with Developers and Application Teams to resolve code or integration issues.
• Liaise with Oracle Support for Service Requests and follow up on critical issues.
• Automate routine DBA tasks (scripting, Ansible, etc.) to improve efficiency.
• Share knowledge with other DBAs and provide best practice guidance on managing EBS 12.2.

Requirements

Must-Have Skills

• Bachelor’s degree in Computer Science, Engineering, or equivalent.
• At least 5 years of experience working with Oracle databases and Oracle E-Business Suite (EBS).
• Strong expertise in Oracle E-Business Suite 12.2 (architecture, administration, patching, and cloning).
• Proficiency in RMAN backup/recovery, Data Guard, and performance tuning.
• Experience in managing Oracle databases using Oracle Enterprise Manager.
• Solid skills in SQL*Plus, PL/SQL programming.
• Excellent English communication skills, both written and verbal, to work with multicultural teams.

Nice-To-Have Skills:

• Previous experience in managing Oracle Applications and Databases in Azure VMs.
• Previous experience in managing Oracle MySQL / PostgreSQL databases.
• Previous experience dealing with Unix or Linux OS.
• Previous experience dealing with network infrastructure.

Benefits

• Three days remote every week and four full remote weeks per year.
• Gold level Health Insurance coverage from Bao Viet Insurance, a yearly complete Health Check and social insurance
• All office benefits and full salary during probation.
• Flexible working time starting anytime up to 10 AM working Monday - Friday with no overtime and a long lunch break.
• Allowance for everything: meals, parking, petrol, along with unlimited snacks and nice coffee every day.
• Choose from a brand-new Mac or PC device.
• Salary review twice a year with opportunities for promotions and spot awards.
• 12 days annual leave per year, with all days not taken paid out in cash, plus 2 sick leave days.
• Yearly Training Budget up to 5 million VND per staff. On top of that, Professional coaching program, buddy system, tech talks, agile sessions, and 1on1 private English classes are available
• Yearly company trip, monthly activities, and other Celebrations for special days in the year, such as Women’s Day, YEP, and Christmas.
• Employee-led clubs within the company; games teams, sports teams, etc.
• Modern open-space office with comfortable workspace, a PS5 games room, and chill-out areas.