Database Administrator

4 weeks ago


กรงเทพมหานคร, Thailand Opn Full time

**About the Company**

At Opn, we believe the digitalization of the economy has opened up the world and offers endless opportunities to grow and make meaningful connections with one another. Opn connects people, businesses and society in innovative ways to provide fair and open access to a growing economic ecosystem under its vision of enabling access to the digital economy for everyone. We are on a mission to make digital finance seamless and borderless for people and businesses. Our solutions are used by thousands of companies worldwide including Toyota, ByteDance, ICBC, Siam Commercial Bank, True Money, Worldline, Allianz, Bank of Ayudhya, McDonald’s, BMW, King Power and Pomelo.

As a value-driven organization, we are committed to selecting and retaining the sharpest minds across all functions. Join us in our global efforts to make digital finance seamless and borderless for people and businesses.

**About the Team**

Opn Engineering teams have a strong focus on innovation and staying at the forefront of technological advancements. This involves a commitment to continuous learning and experimentation with new tools and methodologies. We foster a collaborative environment where team members can openly communicate and share ideas. Opn

engineering follows agile methodologies i.e. iterative development process, frequent feedback, and adaptability to changes, allowing teams to respond quickly to evolving requirements. We promote a sense of ownership and accountability and a healthy work-life balance.

**Why we need you**

We are looking for an experienced Database Administrator who has a strong understanding of PostgreSQL database management on AWS cloud infrastructure, while also working with NoSQL solutions like MongoDB, DocumentDB, and DynamoDB. The role will lead database operations, including implementing database lifecycle operations, backup and recovery strategies, performance optimization, and mentoring junior team members as well as managing infrastructure-as-code using Kubernetes and Terraform.

**What you will be doing**
- Lead the DBA team in responding to database-related alerts & escalation, as well as working with other teams to come up with strategic solutions to recurring problems
- Lead and mentor junior database administrators, providing technical guidance and critical decision-making support
- Responsible for implementing, managing, and optimizing high-availability PostgreSQL databases on AWS cloud infrastructure
- Design, implement, and verify database backup and recovery strategies, ensuring data integrity and business continuity
- Execute and manage database lifecycle operations including creatings, configurations, upgrades, and migrations
- Monitor database performance proactively and implement optimization strategies
- Responsible for capacity planning and develop long-term database infrastructure strategies
- Create and Maintain comprehensive documentation for database procedures, schemas, and troubleshooting guides
- Research and evaluate new databases, technologies, and trends to provide innovative ideas and solutions to improve the existing infrastructure and support new projects and requirements
- Ability to review schemas, implement partitioning tables and sharding ,and other changes to improve scalability and performance.
- Review proposed software design solutions, providing advice on data models required to support solutions
- To be aware of and uphold the security responsibilities as stated in the company's Information Security Policy
- Manage infrastructure-as-code using Kubernetes and Terraform
- Be part of the on-call rotation to respond to emergencies during off-work hours

**You**
- A minimum of 5 years working experience in Information Technology and Database Administration
- Experience in PostgreSQL database administration
- Strong proficiency in English communication (verbal and written)
- Able to effectively lead a team
- Knowledge of underlying database architecture - schemas/products, database objects, file system structure, tables, views, procedures, functions, triggers, sequences, indexes, and constraints.
- In-depth knowledge of PostgreSQL concepts including vacuum, logical & physical replication, native partitioning, and sharding
- Work closely with developers and DevOps supporting Omise codebase to improve SQL queries, joins, and database structure
- Strong analytical skills and ability to solve complex issues in a timely manner
- Strong teamwork, decision-making, documentation, and analytical skills
- Strong experience of working with high availability, scalability environments
- Experience in OS system engineering and administration, Linux, Unix, and Windows
- Experience in system scripting, such as PERL, PYTHON, Shell, etc
- Experience in Kubernetes, Terraform, and Ansible a plus
- Autonomous, and with the ability to work independently
- Open-minded and eager to learn new things
- Comfortable in a rapidly changing environment and working with a fast and a



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