Description:
Marsh McLennan’s Database Services team is growing rapidly, and we have an exciting opportunity for a creative and inquisitive Senior Database Administrator skilled in Postgres and Oracle. This hybrid role requires 3 days in-office in Canada and offers the chance to work on a global team responsible for critical enterprise database systems.
PostgreSQL Senior Database Administrator (DBA)
We will count on you to:
Manage, optimize, and ensure the high availability of PostgreSQL databases hosted on Linux and cloud platforms (AWS and Azure).
Lead complex database migration projects from Oracle to PostgreSQL, including performance tuning and high-availability configurations.
Implement advanced PostgreSQL features such as partitioning, indexing strategies, query tuning, and replication to optimize performance at scale.
Oversee configuration and management of cloud-based PostgreSQL offerings and maintain disaster recovery solutions with RTO & RPO considerations.
Utilize PostgreSQL extensions (e.g., PostGIS, pg_partman, pg_stat_statements) and support Oracle DB features like RMAN, Export/Import, and Triggers.
Contribute to automation initiatives by researching and presenting new technologies to enhance database strategy and operations.
What you need to have:
5+ years of PostgreSQL database experience, including at least 3 years working in cloud environments.
Minimum 2 years of hands-on experience migrating Oracle databases to PostgreSQL.
Bachelor’s degree preferred or equivalent professional experience.
Extensive experience as a Senior PostgreSQL/Oracle Database Engineer, with a strong focus on migrating Oracle databases to PostgreSQL.
Solid knowledge of relational database management systems and cloud computing architecture.
Skilled in database design, cloud computing, and Data Lake Architecture.
What makes you stand out:
Advanced expertise in PostgreSQL internals and performance tuning, including query execution plans, autovacuum settings, and complex transaction management.
Familiarity with infrastructure-as-code tools such as Terraform and Ansible is a plus.
Entrepreneurial mindset with a passion for automation and continuous improvement in database technologies.
Experience with Mongo DB or MySQL is preferred
Why join our team:
We help you be your best through professional development opportunities, interesting work and supportive leaders.
We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.
Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.
PostgreSQL Senior Database Administrator (DBA) • Bremner,Toronto
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