Sr. MongoDB Database Engineer (Open Source DBA)

GSS Tech Group; Dubai; On-site; AED 300,000 - 420,000; Full time

Job summary

GSS Tech Group in Dubai seeks an experienced MongoDB Database Engineer to support enterprise-scale Digital Products and Digital Onboarding initiatives. You will administer MongoDB environments, optimize performance, and lead migrations across large-scale platforms.

The role requires hands-on expertise with replica sets, sharding, backups, and upgrades, and collaboration across application and infrastructure teams in an Agile setting.

Qualifications

• Strong MongoDB DBA experience across large enterprise platforms.
• Hands-on with MongoDB architecture, replica sets, sharding, backup/restore.

Responsibilities

• Design, administer, and maintain MongoDB environments across enterprise platforms.
• Manage deployments, upgrades, migrations, and performance optimizations.
• Configure replica sets and sharded clusters for resilience and scalability.
• Perform backups, patches, and environment maintenance.
• Monitor performance and implement tuning strategies.
• Collaborate with engineering and infrastructure teams in Agile projects.
• Provide production support and troubleshoot DB issues across environments.

Skills

MongoDB administration

Replica sets

Sharding

Ops Manager

Backup & restore

Patching & upgrades

Performance tuning

MQL

Unix

Linux

Automation tools

Bash

Python

Agile delivery

Job description

We are looking for an experienced MongoDB Database Engineer to support enterprise-scale Digital Products and Digital Onboarding initiatives. The ideal candidate will possess strong hands-on experience in MongoDB database administration, architecture, performance tuning, clustering, and database migrations within large-scale technology environments.

This role offers an opportunity to work on multiple high-impact technology projects involving mission-critical database platforms. The successful candidate should be comfortable working in fast-paced environments, managing multiple priorities, and supporting complex database infrastructure and delivery requirements.

Key Responsibilities

• Design, administer, and maintain MongoDB database environments across enterprise platforms.
• Support technology projects involving Digital Products and Digital Onboarding initiatives.
• Manage MongoDB database deployments, upgrades, migrations, and performance optimization activities.
• Configure and administer MongoDB Replica Sets and Sharded Cluster architectures.
• Perform MongoDB backup and restore operations and ensure database availability and reliability.
• Execute database patching, version upgrades, and environment maintenance activities.
• Monitor database performance and implement tuning and optimization strategies.
• Manage database migrations across environments with minimal downtime.
• Collaborate with application, infrastructure, and engineering teams to support project deliveries.
• Participate in Agile delivery practices and support multiple projects simultaneously.
• Provide production support and troubleshoot database-related issues across environments.
• Support out-of-hours and weekend activities when required for critical deployments or maintenance windows.

Required Technical Skills

MongoDB Administration

• Strong hands-on experience in MongoDB Database Administration.
• Excellent understanding of MongoDB architecture and internal components.
• Strong experience with:
  • MongoDB Replica Sets
  • MongoDB Sharding
  • MongoDB Ops Manager
  • MongoDB Backup & Restore mechanisms
  • Database patching and upgrades
  • Performance tuning and optimization
  • Database migrations
  • Mongo Query Language (MQL)

Operating Systems

• Strong working knowledge of:
  • Unix
  • Linux operating systems

Database Technologies

• Experience working with Open Source database technologies.
• Exposure to other database platforms will be considered an advantage.

Automation & Scripting (Nice to Have)

• Exposure to modern automation technologies such as:
  • Ansible
  • Jenkins
  • Terraform
• Experience with scripting languages including:
  • Bash
  • Python

Delivery Methodology

• Experience working within Agile delivery environments.
• Ability to manage multiple concurrent technology projects.
• Strong understanding of enterprise technology delivery practices.

Required Competencies

• Strong analytical and problem-solving skills.
• Ability to work effectively under pressure and within tight timelines.
• Excellent professional communication skills.
• Strong ownership mindset and self-management capabilities.
• Ability to manage multiple priorities and project deliverables simultaneously.
• Strong collaboration skills when working across cross-functional technology teams.

Preferred Experience

• 4+ years of experience working in large enterprise environments.
• Banking or Financial Services industry experience is preferred.
• Experience supporting large-scale digital transformation initiatives will be an added advantage.

Preferred Certifications

• MongoDB-related certifications are highly desirable.
• Relevant database or cloud certifications will be an added advantage.