SQL Database Administrator

Key Responsibilities

Supporting SQL Server upgrade projects (MSSQL 2016 to 2022, or 2025),

Experience in knowledge in Oracle

Plan and execute SQL Server version upgrades (In-place and Side-by-Side migrations) and ensuring minimal downtime and business continuity.

Conduct pre-upgrade assessment, compatibility checks, and risk analysis.

Manage database migration using backup/restore or Always On.

Perform performance tuning, index optimization, and query troubleshooting.

Monitor database health, storage utilization, and capacity planning.

Ensure backup, restore testing, and disaster recovery readiness.

Prepare upgrade documentation, rollback plan, and change management.

Troubleshoot production issues and provide root cause analysis.

Ensure security compliance, user access management, and auditing.

Required Skills & Experience

5-8 years of experience in SQL Server, Oracle and MariaDB database administrator activity

Experience in DB2, MariaDB database administrator is added advantages.

Experience in OS-level coordination for Windows/Nix Server upgrades.

Hands-on experience with:

SQL Always On Availability Groups

Strong T-SQL knowledge and performance tuning skills.

Experience with SQL Profiler, Extended Events, and execution plan analysis.

Good understanding of storage, IOPS, and capacity planning.

PowerShell /VBScript scripting for automation.

ITIL process knowledge (Change, Incident, Problem Management).

Registration No. / Unique Entity Number: 199801439D

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This is in partnership with the Employment and Employability Institute Pte Ltd (e2i).

e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives. By applying for this role, you consent to Quesscorp Singapore's PDPA and e2i's PDPA.