Database Administrator (PostgreSQL/Sybase DBA- L2)

QUESSCORP SINGAPORE PTE. LTD.; Singapore; Hybrid; SGD 70,000 - 90,000; Full time

Job summary

A leading staffing services provider in Singapore seeks a Database Administrator specializing in PostgreSQL and Sybase. The role involves managing database technologies, overseeing incidents, and providing technical support across Asia and Europe. Candidates should have 6-8 years of DBA experience, strong troubleshooting skills, and a commitment to upholding IT security practices. This position includes flexible hours aligned with Paris time zone, requiring a proactive approach to incident and change management.

Qualifications

• Experience in administration and management of IT database technologies.
• Knowledge of IT Security domains.
• Hands-on experience in production setups.

Responsibilities

• Act as the highest level of escalation for the team members.
• Own incident, problem, and change management processes.
• Collaborate with developers on schema design and CI/CD.

Skills

PostgreSQL DBA Administration

Sybase Administration

Performance tuning

Incident management

Scripting (Python, Shell)

Education

6-8 years of experience in PostgreSQL/Sybase DBA roles

PostgreSQL/Sybase certification

Cloud certification

Tools

pg_stat_statements

Prometheus

Grafana

Python

Job description

Database Administrator (PostgreSQL/Sybase DBA- L2)

PostgreSQL/Sybase DBA L2 is a technical expert role within the Database team and will be responsible for managing, administering, and supporting the PostgreSQL/Sybase Database technologies for the bank.

The person will be the technical point of contact for the Run team. He/She will be a technical L2 resource for PostgreSQL/Sybase database services.

As such, he/she will provide support for all production support activities within the Database team in Singapore. He/She is accountable for the overall health and stability of the technical solutions within his scope. He/She has to effectively work with technical peers such as architects, peer experts, and project teams on technology road maps and projects. He/She will work with L2/Service Manager to gain control over the scope of technical activities, develop best practices and gain knowledge over all aspects of support.

PostgreSQL/Sybase team in Singapore is responsible for day-to-day operational services on the infrastructure of Europe (mainly France and UK) and Asia remotely from Singapore.

Team works in Europe time zones and this role will be aligned primarily to Paris working hours. Flexible rotations are followed based on the nature of duties.

Operational Support Scope

• PostgreSQL DBA Administration
• Install, configure, and upgrade PostgreSQL database clusters.
• Architect scalable and secure database infrastructure, including HA/DR setups using streaming replication, logical replication, Patroni, or pgpool‑II.
• Monitor database health and performance using tools like pg_stat_statements, Prometheus, Grafana, or pgBadger.
• Perform advanced performance tuning, index optimization, and SQL query analysis.
• Design and automate database maintenance tasks such as vacuum, reindex, analyze, backups, and log management.
• Develop robust backup and recovery strategies using pg_dump, pg_basebackup, or third‑party tools.
• Collaborate with developers, DevOps, and QA teams on schema design, CI/CD pipelines, and application releases.
• Ensure security best practices including role‑based access control and data encryption.
• Write and maintain scripts in Shell/Python for routine DBA automation.
• Sybase Administration
• Manage Sybase ASE and/or IQ installations, configurations, upgrades, and patching.
• Perform Sybase performance tuning, locking analysis, query optimization, and index management.
• Monitor Sybase databases using sp_who, sp_lock, and custom monitoring scripts.
• Handle database replication, backups, and disaster recovery strategies in Sybase environments.
• Perform space management, log management, and server resource optimization.
• Support Sybase job scheduling (DBA‑defined or via autosys/cron) and alerting.
• Work on Sybase migration projects or co‑exist setups with PostgreSQL environments.

Detailed Job Responsibilities

The L2 has a wide spectrum of responsibilities and actions. Person will be responsible for following (but not limited to) responsibilities in day‑to‑day work:

• Act as the highest level of escalation for the team members
• Own Incident, Problem and change management process for the team
• Assigns technical tasks and manages delegation
• Animates the team to encourage collaboration and sharing of practices

As the L2 of his/her scope of activity, he/she:

• Is actively involved in incident management (fault investigation, resolution escalations of all monitoring alerts and user‑initiated problem calls/tickets) and request management
• Raise any changes into PostgreSQL/Sybase technology and is accountable for any technical changes in the environment from a RUN/BAU perspective
• Participates in global Infra events (like Power down and DR Tests)
• Ensures activity is performed in compliance with norms, standards, processes and procedures
• Ensures documentation is up to date and relevant for use
• Lead the continuous improvement initiatives
• Responsible to assist in finding root cause for any high severity issues
• Focus on automation and optimum use of the team to improve efficiency
• Maintain appropriate knowledge to ensure to be fully qualified to undertake the role.
• Complete all mandatory training as required to attain and maintain competence
• Comply with all applicable legal, regulatory and internal Compliance requirements, including, but not limited to, the Singapore Compliance manual and Compliance policies and procedures as issued from time to time

Work Schedule

• Work schedule is mainly focused on supporting Asia and EMEA (Paris) time zone; however, may have to support during non‑office hours for critical incidents or escalation as per the assigned on‑call support requirements;
• Shift schedule is followed;

Work Hours

7AM to 4PM OR 2PM to 11PM OR 4PM to 1AM.

Qualifications and Profile

Functional

• 6‑8 years of PostgreSQL/Sybase DBA experience in the administration and management of IT Database technologies;
• Knowledge of different domains of IT Security;
• Working & hands‑on experience in administering the DB technologies;
• Must have experience in working in a similar Production setup in Run (Operations) mode;
• Ability to apply risk based approach while working on assigned responsibilities;
• Experience in defining, implementing, and enforcing Database Security policies for data security solutions;
• Must have working experience in a Large enterprise‑level environment, working experience in a financial organization is preferred;
• Excellent in analytical, communication, and documentation skills;
• Ability to organize work and be able to prioritize work as per the needs of Production Operation’s needs;
• Must have a strong understanding of ITIL processes and be comfortable working in process‑process‑oriented environment;
• Ability to work independently as well as part of a team, and is able to work under minimal supervision;
• Should have time management skills and able to manage work in fast moving environment;

Technical

• Hands‑on experience in configuring and maintaining database servers and processes
• Experience with High Availability (HA) and Disaster Recovery (DR) options for PostgreSQL/Sybase technology
• Deployment, integration, and administration experience of various components of DB technologies.
• Must have experience in defining, designing, and configuring a Database solution as per the business requirements;
• Deploy, upgrade, and troubleshoot knowledge on PostgreSQL/Sybase technology solution;
• Scripting knowledge Python, T‑SQL, shell scripting is desirable;

Professional Certifications

• PostgreSQL/Sybase certification is highly preferred
• Cloud certification

Disclaimer

Disclaimer: The company is committed to ensuring the privacy and security of your information. By submitting this form, you consent to the collection, processing, and retention of the information you provide. The data collected (which may include your contact details, educational background, work experience and skills) will be used solely for the purpose of evaluating your qualifications for the position you're applying for. Your data will be stored securely and retained for the duration necessary to fulfill our hiring process. If you are not selected for the position, your data will be kept on file for a limited period in case future opportunities arise. You have the right to access, correct, or delete your data at any time by contacting us at Quess Singapore | A Leading Staffing Services Provider in Singapore (quesscorp.sg)