Lead Database Administrator

Systems Limited; Karachi Division; On-site; PKR 2,400,000 - 4,200,000; Full time

Job summary

Systems Limited is seeking an experienced Lead Database Administrator / Senior Database Engineer in Karachi. You will manage enterprise SQL and NoSQL environments, drive architecture, performance tuning, security, and DR strategies across on‑prem, cloud, and hybrid platforms.

The role requires 10+ years of hands‑on DBA/engineering experience with Oracle, MySQL, MariaDB, and MongoDB, plus strong scripting skills in Shell and Python for automation.

Qualifications

• 10+ years of Database Administration/Engineering experience in enterprise environments.
• Hands-on with Oracle, MySQL, MariaDB and MongoDB.
• Experience in database architecture, performance tuning and HA/DR.
• Proven production support, security, and access control expertise.
• Ability to design, implement and maintain multi-environment databases (on‑prem/cloud).

Responsibilities

• Design, implement, administer, and maintain enterprise databases across Oracle, MySQL, MariaDB, and MongoDB.
• Perform installation, configuration, patches, upgrades, migrations, and version control.
• Manage production databases across on‑prem, cloud, and hybrid environments.
• Design and maintain HA and DR solutions for data resilience.
• Tune performance, optimize queries, and plan capacity.
• Manage backup, restore, and recovery processes to ensure data availability.
• Troubleshoot incidents, perform RCA, and implement preventive measures.
• Implement and maintain database security, auditing, and access controls.
• Support cloud database platforms (AWS, Azure, GCP, OCI).
• Develop automation scripts using Shell and Python for operations.
• Lead migrations, upgrades, and modernization initiatives.
• Establish DB administration standards and SOPs.
• Provide technical leadership to DBAs and engineering teams.
• Collaborate with apps, infra, security, and DevOps teams for reliability.

Skills

Oracle

MySQL

MariaDB

MongoDB

HA/DR

Performance tuning

Cloud databases

Production support

Security

Collaboration

Tools

Shell scripting

Python

AWS

Azure

GCP

OCI

On‑premises

Job description

Ideal candidate for this role is an experienced Lead Database Administrator / Senior Database Engineer with 10+ years of experience managing enterprise SQL and NoSQL database environments. The candidate should have strong hands-on expertise across Oracle, MySQL, MariaDB, and MongoDB, with proven experience in database architecture, performance tuning, high availability, disaster recovery, security, and production support.

Responsibilities:

• Design, implement, administer, and maintain enterprise database environments across Oracle, MySQL, MariaDB, and MongoDB.
• Perform database installation, configuration, patching, upgrades, migrations, and version management.
• Manage and support mission-critical production databases across on-premises, cloud, and hybrid environments.
• Design, implement, and maintain High Availability (HA) and Disaster Recovery (DR) solutions.
• Perform database performance tuning, query optimization, capacity planning, and troubleshooting.
• Manage database backup, restore, and recovery processes to ensure data availability and resilience.
• Troubleshoot complex database incidents, perform Root Cause Analysis (RCA), and implement preventive solutions.
• Implement and maintain database security, auditing, access controls, and user management.
• Support and manage cloud database platforms across AWS, Azure, GCP, and OCI.
• Develop automation scripts using Shell and Python for monitoring, maintenance, deployment, and operational activities.
• Lead database migration, upgrade, and modernization initiatives.
• Establish database administration standards, operational procedures, and best practices.
• Provide technical leadership and guidance to database administrators and engineering teams.
• Collaborate with application, infrastructure, security, and DevOps teams to ensure database reliability, performance, and availability.

Requirements:

• 10+ years of experience in Database Administration / Database Engineering, preferably in enterprise or mission-critical environments.
• Strong hands-on experience with Oracle, MySQL, MariaDB, and MongoDB.
• Oracle Database Administration, preferably 12c/19c or later.
• Hands-on experience with MySQL 5.7/8.x administration.
• Strong hands-on experience with MongoDB administration.
• Database security, authentication, authorization, and user management.