Are you a detail-oriented PostgreSQL expert with a passion for database design, performance optimization, and cutting-edge technology? Do you thrive in dynamic environments where your skills can directly impact millions of users across digital marketing platforms? If so, we want to hear from you.
At Epsilon, we believe that every interaction counts. Our digital marketing division, Conversant, is growing fast and we’re seeking tech-savvy, driven professionals who are eager to work at the intersection of Data Warehousing, Machine Learning, and AI.
Key Responsibilities
- Lead the design, configuration, and management of large-scale PostgreSQL databases and Data Warehouse systems.
- Install and configure PostgreSQL on Linux environments with a deep understanding of best practices for secure and optimized deployments.
- Monitor, analyze, and troubleshoot database performance issues using tools and logs to ensure optimal uptime and query responsiveness.
- Manage backup and recovery procedures, WAL archive log management, and disaster recovery protocols.
- Perform schema design, database tuning, and implement effective indexing strategies to support high-performance analytics.
- Handle routine database administration, including resource allocation, user/role permissions, and SQL tuning.
- Participate in 24x7 on-call rotations, providing prompt production support and issue resolution.
- Create and maintain operational documentation, standards, and best practices in collaboration with other DBAs and engineering teams.
- Evaluate and recommend emerging database technologies to enhance platform scalability and robustness.
- Work closely with application development teams and data engineers to optimize data flow, storage strategies, and integration patterns.
- Support database version upgrades, data migration, and high-availability configurations including replication and clustering.
- Troubleshoot application-database connectivity, slow-running queries, and data loading pipelines.
- Contribute to automation through scripting in Shell, Perl, or Python to streamline database management and maintenance tasks.
Required Skills & Qualifications
- 5–8 years of overall database administration experience with a strong focus on PostgreSQL.
- At least 4 years of hands-on experience in PostgreSQL database management in production environments.
- Expert-level skills in PostgreSQL installation, configuration, replication, and performance tuning.
- Proficiency in Linux environments and scripting with Bash, Python, or Perl.
- Solid understanding of PostgreSQL architecture, internal processes, and high-availability solutions (e.g., replication, streaming replication, active-passive cluster setup).
- Strong experience with backup and recovery processes, version upgrades, and migration planning.
- Excellent SQL skills, with the ability to analyze and optimize complex queries.
- Exposure to MPP (Massively Parallel Processing) database architecture and familiarity with data warehousing principles.
- Working knowledge of Greenplum or other analytical database systems is a plus.
- Familiarity with Hadoop, Big Data tools, or cloud-based data ecosystems (AWS, GCP, or Azure) is an added advantage.
- Experience in production support, troubleshooting, and performance benchmarking.
- Strong interpersonal, communication, and documentation skills.
- Demonstrated ability to manage time effectively across multiple projects and deliverables.
Preferred Qualifications
- B.S. in Computer Science, Information Systems, or equivalent experience.
- Knowledge of CI/CD tools and database deployment pipelines is a bonus.
- Certifications in PostgreSQL or cloud database services (AWS RDS, GCP Cloud SQL) are advantageous.
- Previous experience working in digital marketing, ad-tech, or data-driven industries is a plus.
Why Join Epsilon?
At Epsilon, we don’t just offer jobs, we build careers. We’re a global company with over 9,000 employees and decades of leadership in data, technology, and personalized marketing. We process over 400 billion consumer actions daily and hold numerous patents in AI, data modeling, and privacy technology.
Our people-first culture, known as YOUniverse, is designed to support your personal and professional growth with flexible benefits, wellness programs, learning opportunities, and meaningful recognition.
Ready to Apply?
If you're passionate about databases, excited by high-performance environments, and motivated to make an impact on global marketing platforms this is your chance to join a team that moves fast and delivers big.
Apply now and shape the future of data-driven marketing with Epsilon.