Senior Database Administrator & Solutions Architect

Job title: Senior Database Administrator & Solutions Architect

Vennote Technologies Limited is seeking a highly experienced Database Administrator and Solutions Architect to join their team. This critical role involves conducting a comprehensive assessment of a major Nigerian telecommunications provider's database infrastructure.

Your responsibilities will include auditing MongoDB, PostgreSQL, and Oracle databases, diagnosing and optimizing Linux/Unix performance, and managing project workflows. You will also review database security, evaluate data models for high-volume processing, develop growth plans, and assess disaster recovery systems.

The ideal candidate will possess extensive experience in database administration and architecture, with a strong background in relevant technologies and a proven ability to present strategic recommendations to executive stakeholders.

Required

Skills

• MongoDB, PostgreSQL, Oracle, Linux/Unix Administration, Shell Scripting, Kubernetes, OpenShift, Database Architecture, Performance Tuning, Scalability, High Availability, Disaster Recovery, Backup Systems, Database Security, Access Controls, Encryption, Regulatory Compliance, Data Modeling, Indexing, Subscriber Processing, CDR Processing, Infrastructure Growth Planning, Ops Manager, Cloud Manager, Performance Monitoring Tools, ELK Stack.

Key Responsibilities

• Audit MongoDB, PostgreSQL and Oracle database infrastructure, including replication, sharding and storage.
• Diagnose Linux/Unix performance issues and optimise system resources.
• Manage assessment workflows, project milestones and technical deliverables.
• Review database security, access controls, encryption and regulatory compliance.
• Evaluate data models and indexing for high-volume subscriber and CDR processing.
• Develop infrastructure growth plans and assess disaster recovery and backup systems.
• Present technical findings and strategic recommendations to executive stakeholders.

Qualifications

• 8+ years of DBA and database architecture experience, with at least 5 years specialising in MongoDB, PostgreSQL and Oracle.
• Strong Linux/Unix administration and shell scripting skills.
• Experience with Kubernetes/OpenShift and containerised deployments.
• Proven project management and technical delivery experience.
• Experience supporting high-volume, low-latency telecommunications environments.
• Expertise in MongoDB 6.0/7.0+, Ops Manager, Cloud Manager and performance monitoring tools.
• MongoDB Certified DBA, Oracle Certified Professional or AWS/Azure Solutions Architect certification.
• PMP, PRINCE2 or Agile Scrum Master certification.
• Knowledge of NDPR requirements.
• Experience with ELK Stack.