Senior MongoDB Architect

About the Role

Join Vennote Technologies Limited as a Senior MongoDB Architect. This position offers the opportunity to lead a comprehensive environment assessment for a major Nigerian telecommunications provider. You will be responsible for auditing a large-scale, mission-critical MongoDB deployment to ensure it meets global standards for performance, security, and high-availability (HA) in a high-traffic Telco environment.

Key Responsibilities

• Infrastructure Audit: Evaluate current replica set configurations, sharding strategies, and storage engine (WiredTiger) performance to identify bottlenecks
• Security Assessment: Conduct a full gap analysis on Role-Based Access Control (RBAC), encryption-at-rest/transit, and audit logging to meet Telco regulatory requirements
• Data Modeling Review: Analyze schema designs (embedding vs. referencing) to optimize for the scale of millions of concurrent subscribers and CDR (Call Detail Record) processing
• Capacity Planning: Provide a 12–24 month growth roadmap, analyzing disk I/O, RAM utilization, and sharding necessity
• Disaster Recovery (DR): Assess the efficacy of current backup/restore workflows and cross-region failover protocols
• Executive Reporting: Translate technical findings into a strategic "State of the Database" report for C-suite stakeholders at the client site

Required Qualifications

• 8+ years of experience in Database Administration or Architecture
• At least 5 years of specialized experience with MongoDB
• Proven experience managing Telco-grade data in high-volume, low-latency environments
• Deep knowledge of MongoDB 6.0/7.0 and later versions
• Experience with Ops Manager, Cloud Manager, and Atlas (if applicable)
• Proficiency with diagnostic tools including mongostat, mongotop, and the Database Profiler
• Strong Linux/Unix administration skills
• Experience with containerized database deployments (Kubernetes/OpenShift)

Location

Lagos, Nigeria