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Manish Singh
@manish_singhm
MongoDB DBA Database Performance Expert
India
Engels
Over mij
I am a Senior Database Administrator and Database Reliability Engineer with 13+ years of IT experience, specializing in MongoDB, MySQL, PostgreSQL, and database performance optimization.
I help businesses fix slow queries, optimize indexes, troubleshoot replication issues, and improve database reliability.
My expertise includes MongoDB, Percona Server for MongoDB (PSMDB), PMM, Grafana, AWS, Linux, backup and recovery, high availability, and production troubleshooting.
I deliver reliable solutions, clear recommendations, and professional database support to keep your systems running efficiently
Skills
Manish Singh
offline •
Bekijk mijn diensten
Database administratie (DBA)
I will optimize mongodb queries and improve database performance
Werkervaring
Senior Database Administrator
SmarTek21 • Fulltime
Sep 2022 - Apr 2023 • 7 mos
Administered MongoDB environments including installation, configuration, and sharded cluster management. Performed version upgrades from 3.4 to 4.2 and supported SQL Server to MongoDB migrations. Managed database security via SSL/TLS and supported PostgreSQL and Oracle administration across Windows and Linux environments, including AWS RDS migrations.
Senior Database Administrator
Dell Technologies • Fulltime
Nov 2021 - Sep 2022 • 10 mos
Administered MongoDB production environments, including installation, configuration, and troubleshooting. Deployed Replica Sets and Sharded Clusters for high availability. Supported migrations from on-premises to cloud platforms and architecture transitions from Replica Sets to Sharded Clusters while performing query optimization and backup operations.
Consultant
Capgemini • Fulltime
Oct 2017 - Jan 2021 • 3 yrs 3 mos
Supported enterprise database environments across Oracle, MongoDB, Microsoft SQL Server, and IBM DB2. Focused on Oracle administration, monitoring, and incident resolution. Managed MongoDB installations, upgrades, and migrations to cloud environments. Performed performance troubleshooting and collaborated on production incident resolution.
