Sajjad Hossan

About Sajjad Hossan

Results-driven Hybrid SQL Server Database Administrator with 8+ years of experience managing and supporting on-premises and Azure SQL environments. Proven expertise in database administration, design, performance tuning, and high availability/disaster recovery solutions across complex production, test, and clustered SQL Server environments (2012–2022). Hands-on experience with Azure SQL Managed Instance and cloud migration strategies, reinforced by Microsoft Certified: Azure Database Administrator Associate (DP-300). Skilled in database migrations, backup and recovery, job automation, security, and resolving performance bottlenecks including blocking and deadlocks to ensure optimal system reliability and scalability. Recognized for strong analytical and problem-solving abilities, clear communication, and a collaborative approach to aligning database operations with business objectives while delivering secure, resilient, and scalable data platforms.

Experience

1. Hybrid Sql Server Database Administrator

   UPS

   Apr 2020 — Present · MAHWAH, NJ, US

   Administer and support hybrid SQL Server environments across on-premises and Azure SQL platforms, ensuring high availability, performance, and security.• Provide 24×7 production support for large-scale production, development, and clustered SQL Server environments, minimizing business impact through rapid incident resolution.• Support 17+ critical enterprise and healthcare applications, including KNEAT (GHOS, eQMS, BAS, RCS, WEOS).• Plan and execute SQL Server upgrades from 2012/2014/2016 to 2019/2022, including databases, logins, jobs, and server-level objects.• Configure and maintain High Availability and Disaster Recovery (HA/DR) solutions as part of enterprise DR strategy.• Configure Database Mail, SQL Agent jobs, and automated alerts for job failures and system health monitoring.• Install and configure SQL Server Reporting Services (SSRS) and Analysis Services (SSAS).• Develop and maintain database maintenance plans for backups, integrity checks, and index optimization.• Lead backup, restore, and disaster recovery strategies for production, development, and test environments, including DR documentation.• Perform performance tuning using Performance Monitor, SQL Profiler, execution plans, and indexing strategies.• Manage database storage using RAID and disk mirroring technologies and perform database and server decommissioning.• Participate in Change and Problem Management using ServiceNow, ensuring compliant production changes.• Configure and manage Azure SQL Managed Instance, migrating on-prem SQL databases to Azure.• Perform migration assessments and readiness evaluations prior to Azure migrations.• Utilize Azure Blob Storage and Shared Access Signatures (SAS) to copy and restore database backups from on-prem to Azure.• Design and implement fault-tolerant architectures to ensure service resilience.• Manage and resolve database-related SMC tickets and provide on-call support.

Education

• Wilmington University

  Master's degree, Computer and Information Systems Security/Information Assurance