Lead Database Architect - Oracle, MySQL, MongoDB Expert

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

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.