Horizon3.ai

Database Reliability Engineer

Horizon3.ai

full-time

Posted on:

Origin:  • 🇺🇸 United States

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Job Level

Mid-LevelSenior

Tech Stack

AWSCloudCyber SecurityDynamoDBEC2KafkaKubernetesNoSQLPostgresRedisTerraformVault

About the role

  • Architect, deploy, and maintain highly available, secure, and performant database systems across multiple AWS regions. (PostgreSQL and NoSQL)
  • Implement automation for database provisioning, scaling, backups, failover, and patch management using Infrastructure as Code (Terraform, Crossplane).
  • Establish database observability: design and maintain telemetry for query performance, replication lag, disk I/O, and capacity forecasting.
  • Partner with development teams to review schema changes, query plans, and application database interactions for efficiency and scalability.
  • Drive incident response for database-related outages, including root cause analysis, remediation, and prevention.
  • Maintain compliance with industry standards and security frameworks (encryption, access controls, audit logging).
  • Collaborate on disaster recovery planning and ensure tested, reliable backup and restore processes.
  • Maintain detailed and accurate technical documentation and operational runbooks.
  • Evaluate emerging database technologies and patterns; recommend and implement improvements.

Requirements

  • 5+ years of experience in database administration, site reliability engineering, or related roles.
  • Proven track record in managing mission-critical database environments in production.
  • Excellent problem-solving and analytical skills.
  • Strong communication and collaboration across engineering, product, and security teams.
  • Ability to manage multiple priorities and deliver in a fast-paced environment.
  • Proficiency with PostgreSQL (Aurora, RDS), Redis, DynamoDB, Kafka; Terraform, Crossplane; Kubernetes Operators for databases; CI/CD pipelines (GitLab CI/CD); Monitoring & Observability: Datadog, OpenSearch; Cloud Technologies: AWS, Networking, Security.