Job title: Database Administrator (Oracle, MongoDB, Cassandra, MySQL) Job at BlueChip Technologies
Company: BlueChip Technologies
Job description: BlueChip Technologies is a leading business application firm focused exclusively on assisting organizations in planning, designing, implementing and operating business application solutions and strategies that are central to creating and maintaining a competitive business advantage.We are recruiting to fill the position below:Job Position: Database Administrator (Oracle, MongoDB, Cassandra, MySQL)Job Location: Lagos, Nigeria
Job type: Full-time (Hybrid)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.
What We Offer
- Competitive and performance-driven salary package.
- Comprehensive health, dental, and vision insurance.
- Pension and retirement savings plan with company contributions.
- Continuous learning and development opportunities.
- A collaborative, innovative, and inclusive work environment.
- Flexible working arrangements and modern office facilities.
Expected salary:
Location: Lagos, Lagos State
Job date: Thu, 10 Jul 2025 06:29:55 GMT