Senior Database Administrator

Company Description

When you join Epsilon, we’ll create something EPIC together. We’re a global leader in data and identity, with deep expertise in digital media, clean rooms, customer data platforms, loyalty and marketing services. Positioned at the center of Publicis Groupe, Epsilon helps brands deliver personalized experiences at scale and build lasting customer relationships by unlocking the full potential of data and identity.

Epsilon operates in 30+ countries across EMEA, the Americas and APAC, with more than 8,000 employees.

Check out a few of these resources to learn more about what makes Epsilon so EPIC:

Our Culture:

Life at Epsilon:

• Act with integrity. We are transparent and have the courage to do the right thing.
• Work together to win together. We believe collaboration is the catalyst that unlocks our full potential.
• Innovate with purpose. We shape the market with big ideas that drive big outcomes.
• Respect all voices. We embrace differences and foster a culture of connection and belonging.
• Empower with accountability. We trust each other to own and deliver on common goals.

In this role, you will play a critical part in ensuring the reliability, performance, and security of the organization’s enterprise database landscape across both on‑premises and cloud environments. You will support mission‑critical PostgreSQL and Oracle systems operating in a 24x7, high‑availability setting, strengthening business continuity through effective replication, standby configurations, RAC administration, and disaster recovery strategies. Your expertise will help drive modernization efforts, including database migrations and automation initiatives, while enabling cross‑functional teams to deliver scalable, resilient, and high‑performing data solutions.

• Ensure the reliability, performance, and security of enterprise PostgreSQL and Oracle database environments operating in a 24x7, high‑availability production setting.
• Strengthen the organization’s data infrastructure by supporting both on‑prem and cloud‑based databases across AWS, Azure, and GCP.
• Enhance business continuity by managing replication, standby systems, RAC clusters, and disaster recovery solutions.
• Contribute to modernization initiatives by supporting database migrations, including Oracle‑to‑PostgreSQL conversions, and by automating routine DBA workflows.

• Administer, monitor, and maintain Oracle databases across production and non‑production environments.
• Manage high‑availability and disaster recovery configurations, including replication, standby databases, and Oracle RAC.
• Implement and support Active Data Guard, including switchover and failover operations.
• Perform patching, upgrades, and lifecycle maintenance with minimal downtime.
• Execute backup and recovery strategies using RMAN, datapump, , WAL, and PITR.
• Conduct performance tuning, query optimization, and root‑cause troubleshooting.
• Support cloud‑hosted database environments, including RDS and other managed services.
• Automate recurring DBA tasks using scripting languages and tooling.
• Collaborate with application, Dev Ops, and infrastructure teams to deliver scalable, resilient solutions.
• Participate in on‑call rotations and provide production support as needed.

• Bachelor’s degree in computer science, Information Technology, or a related field.
• 8+ years of experience in database administration.
• Experience with Oracle technologies, including RAC, Data Guard, and RMAN.
• Background working in cloud environments (AWS, Azure, or GCP).
• Proficiency in SQL, performance tuning, backup/recovery, and high‑availability architectures.
• Experience with Linux/Unix systems.
• Scripting skills (Shell, Python, or similar).