Database Administrator (DBA)

Nxt Labs Llc.; Karachi Division; On-site; PKR 5,592,841 - 11,185,682; Full time

Job summary

A leading technology company seeks an experienced Database Administrator for onsite positions in Karachi or Lahore. The role requires 2–6 years of experience in managing databases such as MySQL, PostgreSQL, and Oracle, with a focus on cloud environments and HA/DR implementation. Ideal candidates are proficient in SQL performance tuning and capable of ensuring database security and availability. Immediate joiners will be preferred, offering an opportunity to work collaboratively in a fast-paced environment.

Qualifications

• 2–6 years of experience in database administration.
• Strong expertise in MySQL, PostgreSQL, Oracle, and Microsoft SQL Server.
• Hands-on experience with HA/DR implementation, replication, and clustered environments.
• Experience managing cloud-based databases (AWS RDS, Azure SQL, Oracle Cloud, or GCP SQL).
• Proficiency in SQL, performance tuning, and query optimization.

Responsibilities

• Install, configure, and maintain various databases in multiple environments.
• Implement HA and DR solutions using relevant technology.
• Manage and support cloud-hosted databases.
• Optimize database performance through various techniques.
• Ensure security, compliance, and create documentation.

Skills

MySQL

PostgreSQL

Oracle

Microsoft SQL Server

MongoDB

Cloud databases (AWS RDS, Azure SQL, Oracle Cloud)

SQL performance tuning

Linux systems

Shell scripting

Automation tools

Job description

Key Responsibilities:

• Install, configure, and maintain MySQL, PostgreSQL, Oracle, Microsoft SQL Server, and MongoDB databases across development, staging, and production environments.
• Implement High Availability (HA) and Disaster Recovery (DR) solutions using technologies such as MySQL InnoDB Cluster, Group Replication, Oracle Data Guard, PostgreSQL Patroni or EFM, and SQL Server Always On.
• Manage and support cloud-hosted databases such as AWS RDS, Azure SQL Database, Oracle Cloud Database, or Google Cloud SQL.
• Perform database backup and recovery, ensuring zero data loss and minimal downtime (RPO/RTO objectives).
• Optimize database performance using query tuning, indexing strategies, memory optimization, and workload balancing.
• Manage transactional and analytical workloads (OLTP and OLAP) efficiently across distributed and hybrid environments.
• Participate in database migrations and data unification projects (e.g., MSSQL → MySQL, MariaDB → MySQL).
• Work closely with application and infrastructure teams to design robust database architectures that meet business performance goals.
• Implement monitoring and alerting systems for proactive database health management.
• Ensure security, auditing, and compliance across all database platforms.
• Create technical documentation, SOPs, and architecture diagrams for database deployments.

Required Experience & Qualification:

• 2–6years of experience in database administration.
• Strong expertise in MySQL, PostgreSQL, Oracle, and Microsoft SQL Server.
• Hands‑on experience with HA/DR implementation, replication, and clustered environments.
• Experience managing cloud‑based databases (AWS RDS, Azure SQL, Oracle Cloud, or GCP SQL).
• Proficiency in SQL, performance tuning, and query optimization.
• Experience with Linux systems (Red Hat, Oracle Linux, CentOS, SUSE) and Windows Server for SQL Server environments.
• Familiarity with shell scripting, automation, and monitoring tools.
• Understanding of data modeling, partitioning, and storage optimization.
• Experience in data warehouse management and real‑time replication (e.g., Oracle GoldenGate, SQL Server Replication).

Preferred Qualifications

• Certifications in Oracle (OCP / Autonomous Database) and MySQL administration.
• Experience working with cloud database services (AWS, Azure, or Oracle Cloud).

PS- This is an Onsite Position
Location: Karachi OR Lahore
immediate joiners will be preferred