Senior Database Administrator

We are seeking an experienced ELK Stack Administrator to manage, maintain, and optimize our Elasticsearch clusters in production environments.

The ideal candidate will have strong expertise in Elasticsearch, Kibana, and Logstash administration, along with solid experience in Linux systems, automation tools, and monitoring/observability platforms.

This role focuses on cluster administration, deployment, performance tuning, scaling, and monitoring, rather than application development.

Click here to view how Epsilon transforms marketing with 1 View, 1 Vision and 1 Voice.

Install, configure, and administer Elasticsearch, Kibana, and Logstash (ELK Stack) in production environments.

Manage Elasticsearch clusters, including:

Index lifecycle management

Shard allocation and optimization

Replication management

Backups and restores

Perform cluster scaling, performance tuning, and troubleshooting.

Configure and maintain Logstash pipelines and data ingestion workflows.

Create and maintain Kibana dashboards and monitoring visualizations.

Implement and support Observability, Monitoring, and SIEM use cases.

Manage security configurations, including:

Roles and users

TLS encryption

RBAC policies

Perform stack upgrades, patching, and regular health checks.

Collaborate with DevOps, Infrastructure, and Monitoring teams.

Ensure high availability and disaster recovery readiness.

Use Infrastructure as Code (IaC) and automation tools to manage deployments and configurations.

Required Skills:

5+ years of hands-on experience administering Elasticsearch, Kibana, and Logstash.

Strong understanding of:

Elasticsearch cluster architecture

Index management and shard optimization

Query performance tuning

Snapshot and restore processes

Experience with Linux system administration (RHEL / Ubuntu).

Experience with Infrastructure as Code and automation tools:

Terraform

Ansible

Experience with version control systems:

Git

Bitbucket

Knowledge of Monitoring and Observability concepts.

Experience handling production incidents and troubleshooting.

Basic scripting skills (Shell or Python preferred).

Understanding of SIEM and APM concepts.

Good to Have:

Experience with Elastic Stack X-Pack features.

Experience integrating ELK with cloud platforms (AWS / Azure / GCP).

Knowledge of Elastic concepts and Beats, such as:

Filebeat

Metricbeat

Elastic Serverless forwarder

APM servers

Elastic Agent

Elastic Fleet architecture

Exposure to containerized environments:

Docker

Kubernetes

Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. For decades, we’ve provided marketers from the world’s leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision and 1 Voice. 1 View of their universe of potential buyers. 1 Vision for engaging each individual. And 1 Voice to harmonize engagement across paid, owned and earned channels.

Epsilon’s comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology, including real-time modeling languages and consumer privacy advancements. Thanks to the work of every employee, Epsilon has been consistently recognized as industry-leading by Forrester, Adweek and the MRC. Epsilon is a global company with more than 9,000 employees around the world.

Our pillars aren't just words. They're how we show up every day.

People centricity: We focus on employee well-being in an environment where colleagues truly care about each other.

Collaboration: We work together, support one another, and collectively achieve goals.

Growth: There are endless opportunities for growth through learning, development and career advancement.

Innovation: We drive progress through cutting-edge solutions and forward-thinking approaches.

Flexibility: We’ve created a balance between work and personal life, and we encourage adaptability to solve problems creatively.

Our values guide us to create value for our clients, our people and consumers.

Act with integrity

Work together to win together

Innovate with purpose

Respect all voices

Empower with accountability

These pillars and values are our foundation—shaping our culture, guiding our decisions, and uniting us in common purpose.

Epsilon is an Equal Opportunity Employer. Epsilon is committed to promoting diversity, inclusion, and equal employment opportunities by using reasonable efforts to attract, recruit, engage and retain qualified individuals of all ethnicities and backgrounds, including, but not limited to, women, people of color, LGBTQ individuals, people with disabilities and any other underrepresented groups, traits or characteristics.