Database Administrator Sql Server

OUMAROU NJOYA

SQL SERVER DATABASE ADMINISTRATOR / SR. DBA

Dallas, TX 75226 +1-862-***-**** **************@*****.*** linkedin.com/in/oumarou-njoya PROFESSIONAL SUMMARY

Seasoned Sr. SQL Server Database Administrator with over 9 years of expertise architecting, securing, and optimizing mission-critical databases across the healthcare, finance, and enterprise IT sectors. Proven success in leading cloud migration projects (Azure/AWS), automating database operations, and building robust HA/DR infrastructures using AlwaysOn, clustering, and geo-replication. Known for driving innovation through automation, automating end-to-end ETL pipelines with SSIS, ADF, and PowerShell, cost-saving optimizations, and compliance excellence (HIPAA, SOX, GDPR). Strong background mentoring junior DBAs, resolving critical incidents, and managing 24/7 production environments. Recognized as a trusted SME on SQL Server performance tuning, cloud-native design, and DevOps-aligned data engineering. TECHNICAL SKILLS & TOOLS

• SQL Server (2008–2022), Azure SQL MI, AWS RDS

• Database Design, Data Modeling, Data Warehouse Architecture

• Performance Tuning, Query Optimization, Indexing Strategy

• High Availability & Disaster Recovery (AlwaysOn AG, Clustering, Log Shipping)

• Capacity Planning, Storage Management, Upgrade Processes

• Data Security, Encryption (TDE, Always Encrypted), Auditing, Compliance (HIPAA, SOX, GDPR)

• Solution Design, Problem Solving, Technical Architecture

• Power BI (Embedded, Report Development), SSIS, SSRS, SSAS

• Automation & Scripting (PowerShell, T-SQL, Bash)

• Cloud Migrations & Management (Azure, AWS), Azure Data Factory

• Monitoring & Troubleshooting (Redgate, SentryOne, Extended Events) PROFESSIONAL EXPERIENCE

Senior SQL Server Database Administrator

Atria Feb 2019 – Present Healthcare Technology

• Led enterprise migration of 25+ SQL databases to Azure SQL MI and AWS RDS, improving availability and reducing infrastructure costs by 30%.

• Architected and implemented multi-site HA/DR strategy using AlwaysOn Availability Groups, geo- replication, and log shipping across hybrid cloud environments, improving RTO/RPO standards by 60%.

• Saved over $250K annually by migrating legacy servers to VMware, cutting licensing, hardware, and support costs.

• Reduced Azure SQL operational expenses by 20% through elastic pool optimization and performance monitoring.

• Automated backup/restore processes, DR drills, and SQL patching using PowerShell and SQLCMD, ensuring 98% SLA compliance.

• Diagnosed and resolved critical production performance issues using Query Store, Extended Events, SentryOne, SolarWinds DPA, and Dynamic Management Views (DMVs), improving overall system throughput by 25%.

• Integrated Azure Active Directory with Multi-Factor Authentication (MFA) for secure access and centralized user governance, achieving 100% compliance with internal security audits.

• Partnered with DevOps to implement CI/CD pipelines for schema deployments via GitHub Actions, improving release accuracy and frequency.

• Mentored 3 junior DBAs, led 24/7 production support, and improved RCA response time by 40%.

• Documented over 15 core processes, including clustering setup, AlwaysOn configuration, patching, DR drills, and environment provisioning, to support knowledge transfer and onboarding Key Highlight:

Awarded “Top Technical Contributor – Q4 2023” for orchestrating successful multi-region failover during critical system outage.

SQL Server Database Administrator

EcoBank Feb 2016 – Feb 2019 Financial Services

• Developed SSIS workflows and SSRS dashboards for regulatory reporting, increasing audit readiness.

• Hardened SQL environments using TDE, RBAC, and SQL Auditing, ensuring compliance with SOX & internal controls.

• Maintained 4TB+ transactional workloads with 100% uptime using SQL Server replication, log shipping, and clustering, supporting 20+ branches and external partners.

• Automated index management and backups with PowerShell, reducing manual efforts by 60%.

• Spearheaded upgrade to SQL Server 2017, leading a 3-member DBA team through testing, cutover, and rollback plans.

• Delivered proactive tuning initiatives using Profiler, Query Store, and Database Tuning Advisor, reducing CPU load by 30% and improving average query response time by 40%. Key Highlight:

Recognized for “Zero SLA Violations” in 2018 through proactive performance tuning and process automation. Data Analyst

EcoBank May 2014 – Jan 2016 Procurement & Retail Analytics

• Built interactive Power BI dashboards that tracked supplier KPIs and procurement performance, enabling a 35% reduction in cycle times through better vendor selection insights.

• Built and maintained Power BI dashboards for procurement cycle analytics, cutting vendor response time by 35%.

• Cleaned and standardized datasets using T-SQL for enterprise-wide reporting alignment.

• Participated in agile development sprints, delivering optimized data models for development teams.

• Supported vendor performance analysis, leading to improved procurement forecasting and compliance.

• Collaborated with software developers and QA teams to define data models, support sprint planning, and maintain data consistency across development and production environments. EDUCATION

Bachelor of Science in Computer Science

University of Douala Douala, Cameroon Graduated: 2014 CERTIFICATIONS

• Microsoft Certified: Azure Database Administrator Associate - Microsoft

• AWS Certified Solutions Architect - Associate - Amazon Web Services SQL Server, Azure SQL MI, Elastic Pools, AlwaysOn, SSIS, Azure Data Factory, Redgate, PowerShell, Query Store, Snowflake, Terraform, GitHub Actions, Database Migration, Performance Tuning, HA/DR, IAM, MFA, Azure AD, SentryOne, HIPAA, SOX, Clustering, Backup/Restore, DBA Automation, SQL Profiler, DevOps, Cloud DBA, SQL Server 2019, ARM Templates

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