{"id":2406682,"url":"https://alion.io/job/vennote-technologies-senior-database-administrator-solutions-architect","title":"Senior Database Administrator & Solutions Architect","company":{"id":3905574,"name":"Vennote Technologies","domain":"vennote.com","url":"https://alion.io/company/vennote-technologies","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"staff","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lagos, Nigeria"],"countries":["NG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":16000,"max_usd":38000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":691},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"OpenShift","optional":false},{"name":"Oracle","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Unix","optional":false},{"name":"Agile","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"ElasticSearch","optional":true},{"name":"Kibana","optional":true},{"name":"Logstash","optional":true},{"name":"Scrum","optional":true}],"status":"live","first_seen_at":"2026-10-12T10:38:01Z","employer_posted_date":null,"last_verified_at":"2026-10-12T10:38:01Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"Engagement Type: Consultancy / Full-Time\n Client Sector: Telecommunications\n Role Overview\n Lead a comprehensive Database Environment Assessment for a major Nigerian telecommunications provider.\n You will audit, optimize, and architect large-scale, mission-critical MongoDB, PostgreSQL, and Oracle deployments to ensure maximum performance, security, and high availability HA in a high-traffic Telco environment.\n Key Responsibilities\n Infrastructure & Linux Performance: Audit replica sets, sharding strategies, and storage engines e.g., WiredTiger. Leverage deep Linux/Unix system knowledge to diagnose OS-level bottlenecks, disk I/O, and resource utilization.\n Project Management & Delivery: Manage end-to-end assessment workflows, set project milestones, manage technical deliverables, and align cross-functional teams to meet deadlines.\n Security & Regulatory Compliance: Conduct gap analyses on RBAC, encryption at-rest/in-transit, and audit logging to align with NDPR and Telco regulatory standards.\n Data Modeling & Architecture: Review schema designs and indexing to handle millions of concurrent subscribers and Call Detail Record CDR processing efficiently.\n Capacity Planning & Disaster Recovery: Build a 12–24 month infrastructure growth roadmap and validate cross-region failover and backup/restore protocols.\n Executive Stakeholder Reporting: Translate technical insights into strategic \"State of the Database\" presentations and roadmaps for C-suite stakeholders.\n Required Qualifications\n Experience: 8+ years in DBA and Database Architecture, with 5+ years specializing in MongoDB, PostgreSQL, and Oracle.\n Linux Administration: Hands-on expertise in Linux/Unix operating systems, shell scripting, and containerized deployments Kubernetes/OpenShift.\n Project Management: Proven ability to manage complex technical projects, track deliverables, and run multi-phase database assessment lifecycles.\n Telco Domain Expertise: Track record supporting high-volume, low-latency, \"Telco-grade\" data environments.\n MongoDB Mastery: Strong expertise in MongoDB 6.0/7.0+, Ops Manager, Cloud Manager, and performance tools mongostat, mongotop, Profiler.\n Preferred Qualifications:\n MongoDB Certified DBA, Oracle Certified Professional, or AWS/Azure Solutions Architect certifications.\n Certified PMP, PRINCE2, or Agile Scrum Master credentials.\n Familiarity with Nigeria Data Protection Regulation NDPR requirements.\n Experience with ELK Stack Elasticsearch, Logstash, Kibana for centralized log 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