Senior Database Administrator / Senior Database Engineer

DELTEQ PTE LTD

Singapore

On-site

SGD 89,000 - 100,000

Part time

8 days ago

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Benefits offered by this job

Full family medical benefits

Job summary

DELTEQ PTE LTD in Singapore is seeking a Senior Database Administrator/ Senior Database Engineer. You will manage SQL Server and PostgreSQL databases, build CI/CD pipelines for deployments, and drive HA/DR, backups, and performance tuning across DEV/QA/UAT/Prod environments.

The role requires 3–5 years of hands-on experience and a degree or diploma in a relevant field, with a 9‑month contract offering full family medical benefits.

Qualifications

Degree or Diploma in Computer Science, Information Technology, Information Systems or related discipline.
3–5 years of hands‑on experience with Microsoft SQL Server and PostgreSQL.
Experience with Azure DevOps CI/CD pipelines for database deployments.
Familiarity with Amazon RDS for PostgreSQL and high availability setups.

Responsibilities

Administer, configure and support SQL Server and PostgreSQL databases across environments.
Design, build, and maintain Azure DevOps CI/CD pipelines for DB deployments.
Plan and execute production deployments with change control and minimal downtime.
Implement and maintain HA/DR, backups, and disaster recovery strategies.
Perform performance tuning, index optimization, and query optimization.

Skills

MS SQL Server Administration

PostgreSQL Administration

Education

Degree/Diploma in Computer Science/IT/IS

Tools

Azure DevOps CI/CD Pipelines

Amazon RDS for PostgreSQL

SQL Server Failover Clustering (FCI)

Job description

Roles & Responsibilities

JobTitle: Senior Database Administrator/ Senior Database Engineer

What We Offer

Salary Range:$8,000/month - $9,000/month
Full family medicalbenefits will be provided
Qualification:Degree or Diploma in ComputerScience, Information Technology, Information Systems, or a related discipline(equivalent professional certifications, e.g. Microsoft Certified: AzureDatabase Administrator Associate, will also be considered)
Experience:3 - 5 Years
Full/Contract:9-Month Contract
Skills/Domain:3-5 years of hands-on experienceadministering and supporting Microsoft SQL Server and PostgreSQL databases inenterprise production environments

Job Responsibilities

Administered,configured, and supported Microsoft SQL Server and PostgreSQL databases acrossDevelopment, UAT, Staging, Disaster Recovery, and Production environments.
Installed, configured,upgraded, migrated, and maintained SQL Server and PostgreSQL databaseenvironments.
Designed, built, andmaintained Azure DevOps CI/CD pipelines for end-to-end database deployments,including schema changes, stored procedures, functions, triggers, views,indexes, constraints, and rollback strategies.
Planned, coordinated,and executed production database deployments while adhering to changemanagement processes and minimizing downtime.
Designed and maintaineddatabase architecture, schemas, tables, constraints, indexes, storedprocedures, functions, triggers, views, and other database objects.
Led SQL Server versionupgrades (Standard Edition to Enterprise Edition), including planning, testing,migration, rollback planning, and production cutover.
Configured andadministered Amazon RDS for PostgreSQL, including parameter groups, securityconfiguration, monitoring, backups, maintenance, and performance optimization.
Configured and supportedSQL Server Transactional Replication for near real-time data synchronization.
Administered SQL ServerFailover Cluster Instances (FCI), including shared storage management, clusterdrive configuration, failover testing, cluster monitoring, and highavailability support.
Planned, implemented,and tested backup, recovery, disaster recovery (DR), and business continuitystrategies.
Created and maintainedSQL Server Maintenance Plans, including automated backups, DBCC integritychecks, index maintenance, statistics updates, cleanup jobs, and scheduledmaintenance.
Performed databaseperformance tuning, query optimization, execution plan analysis, indexoptimization, statistics management, blocking analysis, deadlocktroubleshooting, and capacity planning.
Monitored databasehealth, storage utilization, replication, server performance, and proactivelyresolved production issues.
Designed, developed, andsupported end-to-end ETL/ELT data pipelines for batch processing using SQL,SSIS, Python, Shell scripting, SQL Server Agent, and Windows Task Scheduler.
Planned and executeddatabase migration projects, including schema migration, historical datamigration, and large-volume data loading.
Performed SQL Serverpatching, cumulative updates (CU), security updates, and planned maintenanceactivities across Development, UAT, Staging, and Production environments.
Provided staging,production, and weekend production support for mission-critical enterpriseapplications, ensuring high availability and business continuity.
Collaborated withMicrosoft Level 4 Support Engineers to troubleshoot complex production issues,perform root cause analysis (RCA), and implement permanent solutions.
Managed database useraccounts, logins, service accounts, roles, permissions, and Role-Based AccessControl (RBAC), ensuring compliance with security, audit, and User AccessManagement (UAM) policies.
Conducted database riskassessments, audit compliance activities, security reviews, SSL certificateimplementation, database hardening, and vulnerability remediation.
Reviewed, validated, andapproved database deployment scripts submitted by application teams, ensuringcompliance with security, performance, coding standards, and database bestpractices.
Performed deploymentimpact analysis, release readiness assessments, rollback planning, andproduction implementation approvals.
Prepared and maintaineddatabase architecture documents, technical specifications, deployment guides,operational runbooks, disaster recovery documentation, standard operatingprocedures (SOPs), and support documentation.
Collaborated closelywith application development teams, infrastructure teams, DevOps engineers,cloud engineers, and vendors to deliver secure, scalable, and highly availabledatabase solutions.
Worked with applicationteams to troubleshoot database-related issues, optimize SQL queries, andsupport application releases.
Coordinated withinfrastructure teams for server provisioning, storage allocation, operatingsystem maintenance, SQL Server clustering, networking, SSL certificateimplementation, patching, and infrastructure upgrades.
Participated inproduction change management, release management, incident management, problemmanagement, and post-implementation reviews.
Mentored junior DBAs anddevelopers on SQL Server administration, database design, performance tuning,deployment standards, and operational best practices.