- Company: Vennote Technologies Limited
- Location: Lagos (Hybrid)
- Job type: Contract
- Deadline: 30 December 2026
About the role
Vennote Technologies Limited is a technology company focused on building robust and scalable digital solutions. We specialize in Enterprise Applications, Managed Services, and Project Management to help businesses operate efficiently. We are currently recruiting a Senior Database Administrator & Solutions Architect to lead a comprehensive database environment assessment for a major Nigerian telecommunications provider.
This hybrid role in Lagos involves auditing, optimizing, and architecting large-scale, mission-critical MongoDB, PostgreSQL, and Oracle deployments. The goal is to ensure maximum performance, security, and high availability within a high-traffic Telco environment.
Responsibilities
- Infrastructure & Linux Performance: Audit replica sets, sharding strategies, and storage engines. Use deep Linux/Unix knowledge to diagnose OS-level bottlenecks, disk I/O, and resource utilization.
- Project Management & Delivery: Manage end-to-end assessment workflows, set milestones, and align cross-functional teams to meet deadlines.
- Security & Regulatory Compliance: Conduct gap analyses on RBAC, encryption, and audit logging to align with NDPR and Telco regulatory standards.
- Data Modeling & Architecture: Review schema designs and indexing to handle millions of concurrent subscribers and Call Detail Record (CDR) processing.
- Capacity Planning & Disaster Recovery: Build a 12–24 month infrastructure growth roadmap and validate cross-region failover and backup/restore protocols.
- Executive Stakeholder Reporting: Translate technical insights into strategic presentations and roadmaps for C-suite stakeholders.
Requirements
- 8+ years in DBA and Database Architecture, with 5+ years specializing in MongoDB, PostgreSQL, and Oracle.
- Hands-on expertise in Linux/Unix operating systems, shell scripting, and containerized deployments (Kubernetes/OpenShift).
- Proven ability to manage complex technical projects and multi-phase database assessment lifecycles.
- Track record supporting high-volume, low-latency, “Telco-grade” data environments.
- Strong expertise in MongoDB 6.0/7.0+, Ops Manager, Cloud Manager, and performance tools.
- Preferred: MongoDB Certified DBA, Oracle Certified Professional, or AWS/Azure Solutions Architect certifications; PMP, PRINCE2, or Agile Scrum Master credentials; familiarity with NDPR; experience with ELK Stack.
How to apply
Interested and qualified candidates should send their CV to faith.onokhoikhua@vennote.com using “Senior Database Administrator and Solutions Architect” as the subject of the email. Please note that only shortlisted candidates will be contacted. The application deadline is 30th December, 2026.
Apply by email: faith.onokhoikhua@vennote.com

