• Application Deadline:
• Position: Database Administrator (Oracle, MongoDB, Cassandra, MySQL)



• Job Type Full Time , Hybrid



• Qualification BA/BSc/HND



• Experience 7 years



• Location Lagos




• Job Field ICT / Computer 
  
  

Job Description

• As part of our growth strategy, we are seeking an experienced and versatile Database Administrator (DBA) with expertise across Oracle, MongoDB, Cassandra, and MySQL to join our dynamic team. 

Role Overview 

• We are looking for a results-driven and detail-oriented Database Administrator to oversee the installation, configuration, performance, and security of our enterprise-grade databases.


• The ideal candidate will bring extensive experience in relational and non-relational database technologies and a solid track record of implementing, maintaining, and optimizing critical data systems in high-availability environments. 

Key Responsibilities

Oracle Database Administration:

• Install, configure, and maintain Oracle 10g/11g/12c/19c in single-instance and clustered environments. 


• Manage Real Application Clusters (RAC), Data Guard, Log Shipping, and Cloning. 


• Execute backup and recovery procedures using RMAN. 


• Monitor and optimize database performance; troubleshoot bottlenecks. 


• Apply security patches, upgrades, and manage database migrations. 


• Ensure compliance with Oracle licensing and security standards. 

MongoDB & MySQL Administration:

• Deploy, configure, and support MongoDB and MySQL databases in production and staging environments. 


• Implement replication, sharding, clustering, and indexing strategies. 


• Optimize performance using profiling tools and query tuning techniques. 


• Design NoSQL schema models in MongoDB for scalable applications. 


• Perform backup and restore using MongoDB Ops Manager and MySQL tools. 

Cassandra Administration (Optional but Preferred):

• Install and maintain Cassandra clusters. 


• Manage high-volume writes and reads, ensuring horizontal scalability. 


• Configure replication, consistency levels, and monitor cluster health. 

General DBA Functions:

• Develop and implement robust backup, restore, and disaster recovery strategies. 


• Conduct routine health checks and failover drills. 


• Handle P1/P2 incident escalations and change management processes. 


• Collaborate with development and infrastructure teams for data modeling and integration. 


• Ensure accurate documentation of configurations and processes. 

Qualifications & Requirements 

• Bachelor’s Degree in Computer Science, Information Technology, or related discipline. 


• Minimum of 7 years hands-on experience managing Oracle, MongoDB, Cassandra, and MySQL databases. 


• Strong expertise in: 


• Oracle RAC, RMAN, and performance tuning. 


• MongoDB and MySQL replication, clustering, and schema design. 


• NoSQL performance optimization and disaster recovery planning. 


• Proficiency in SQL, PL/SQL, and NoSQL query languages. 


• Experience with cloud platforms (AWS, Azure, GCP) is highly desirable. 


• Certifications such as: 
  
  
  
  • Oracle Certified Professional (OCP) 
  
  
  • MongoDB Certified DBA 
  
  
  • MySQL Certified DBA; are a strong plus. 
  
  
  
  


• Excellent analytical, troubleshooting, and documentation skills. 


• Strong communication and teamwork abilities.