PostgreSQL DBA

PostgresSQL DBA
Inside IR35
Hybrid in Glasgow (ideally 3 days per week)
12months+ contract

o PostgreSQL/Greenplum would be 6+ years of Sr. Database Administration working with Enterprise Greenplum databases and well versed with Greenplum Installation, Upgrades, and Performance Tuning.
o Worked cross-functionally across numerous DBA and Development teams located globally and exhibits effective communication, both written and verbal, for all the consulting/collaboration, engineering, and 24/7 support.
o Excellent experience in monitoring databases and identifying expensive and long running queries using query plans and analysis to tune queries and improve overall performance.
o Experience in monitoring the database logs for Greenplum parameter errors and fine-tuning database configuration settings like statement_mem, workfile limitations, etc. to improve overall database performance.
o Well versed in Shell Scripting and scheduling jobs for running daily stats collection process, vacuum analysis on catalog tables, identifying skewed tables, cron jobs, and overall automation of effort, etc.
o Worked with multiple DBAs across regions and contributed to development and coaching to junior members on assignment of work and ownership of deliverables.
o Experience in Greenplum Command Center monitoring and reviewing gpperfmon data for the database analysis and understanding the database workload, daily no.# of queries and reviewing current DB settings and Capacity Expansion planning.
o Experience in database performance monitoring and review segment health to ensure overall DB performance is healthy with proper best practices.
o Deep experience in managing DR environments using backup and restore across different data centers/regions.

* Client evaluates on the following.
o Installation
o Replication
o Performance
o DB Objects
o PSG config params
o Architecture
o Statistics
o Ansible
o Shell
o Communication
o Attitude
o Basic SQL Development
* For PostgresSQL these are additional requirements.
o Basic working hands on skill. Needs to understand and know regular day to day DBA job role questions.
o Know and explain different scenarios which DBA comes across on day-to-day basis.
o SQL writing 
o Prior Scripting or automation experience

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