Database Administrator

Cai - Philadelphia, PA

Full-time

Hybrid - Philadelphia, PA

Chemical Manufacturing

About the position

We are searching for a hands-on experienced Database Administrator to serve as Oracle Production Support DBA for large OLTP and DSS databases providing 7x24 hour support for databases that host multiple IIS web applications. This position will be full-time and Hybrid with on-site and remote support after hours and scheduled weekends as needed. Normal work hours will be Monday-Friday 10am-6pm. The ideal candidate will have extensive experience in managing and supporting Oracle databases, particularly in high-availability environments, and will be responsible for ensuring the performance, security, and reliability of our database systems. The DBA will also be involved in deploying application release code enhancements and will need to work closely with development teams to ensure smooth transitions and minimal downtime during updates. Additionally, the role requires proactive monitoring of database performance and troubleshooting issues as they arise, ensuring that all databases are running optimally and securely.

Responsibilities

• Production Support DBA for OLTP and Data Warehouse Production applications
• Deploying and supporting all aspects of application release code enhancements
• Support Oracle 19c installations on Windows and Unix in a multi-tenant environment
• Applying Quarterly Security patches/bug fixes
• Creating and working SR requests with Oracle Support
• Proactive monitoring of database performance, RMAN/EXPORT Backups, maintenance jobs and reporting using TOAD, OEM13c and/or Foglight tools
• Extensive knowledge of Materialized Views refresh options and Oracle Job Scheduler
• Troubleshooting and diagnosing IIS application pool connectivity issues surrounding ‘inactive and dropped sessions'
• Maintain, patch, and rebuild Data Guard - physical standby databases (on-prem and Cloud hybrid)
• Disaster recovery installation and support and testing different scenarios; like a Failover or Switchover
• Backup Strategies and cloning databases using RMAN 'active duplicate' and Multi-tenant 'hot cloning'
• Hands-on experience configuring and maintaining Golden Gate one-way and bi-directional replication environments
• Working experience with encrypted wallets
• Prior experience of configuring Oracle databases on AWS
• Prior experience of configuring Oracle19c databases on Linux
• Prior experience of SQL Server 2017 - 2022 and Replication/Failover is a plus
• Prior knowledge of Postgres is a plus
• Working knowledge of Cognos App/Reporting server is a plus
• Working knowledge of KRONOS software installations is a plus

Requirements

• Prior hands-on DBA experience with databases that support IIS web applications
• Installation, testing and staging Oracle Quarterly security patches on Windows and Linux using Opatch utility
• Installation and configuration of SQL Server gateways on Oracle19c
• Installation, configuration, and patching Oracle client and ODAC versions
• Maintaining and monitoring database storage structures (datafiles, tablespaces, tables, indexes, Mviews)
• Monitoring and managing production users and security
• Managing database backups, developing, and performing test recoveries
• Working experience of all RMAN, configurations, creating jobs and levels of backups and use of Catalog
• Working experience of configuring, rebuilding and failover for on-prem and cloud hybrid Physical Standby DataGuard
• Working experience of DR strategies; Failover, Switchover to an on-prem or cloud replica
• Working experience of Golden Gate Replication configurations, support, and setup
• Good understanding of ‘Data at Rest' and ‘Data in Transit' protocols (including TDE)
• Understanding of Centrally Managed Users (CMU) concepts including ‘generic wallets'
• Proactive database monitoring and performance tuning of; tables, indexes, materialized views, scheduled jobs, packages, procedures, and functions
• Experience with monitoring tools; TOAD, OEM13c, Foglight (includes setup, patch maintenance, modifying/adding alerts and reports)
• Good communication and problem-solving skills
• Clear understandable documentation skills
• Ability to keep projects on-time and within budget
• Ability to interact with other teams and managers
• Must be flexible to work nights and weekends with prior knowledge of scheduled work
• Must be organized have good communication skills, proactive problem solver, and working knowledge of high availability / failover architectures

Nice-to-haves

• Prior experience of SQL Server 2017 - 2022 and Replication/Failover
• Prior knowledge of Postgres
• Working knowledge of Cognos App/Reporting server
• Working knowledge of KRONOS software installations