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Horizon3.ai · 4 days ago

Database Reliability Engineer

United States

Full-time

Remote

Senior Level

5+ years exp

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find and fix exploitable attack vectors. They are seeking a Database Reliability Engineer to ensure the availability, performance, scalability, and security of mission-critical databases across multiple environments, primarily in AWS.

Artificial Intelligence (AI)Cyber SecurityEnterprise SoftwareMachine LearningNetwork Security

No H1B

U.S. Citizen Only

Responsibilities

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)

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

Qualification

PostgreSQLAWSTerraformDatabase Reliability EngineeringNoSQLKubernetesCI/CDMonitoring ToolsProblem-solvingCommunicationCollaboration

Required

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